289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e

Analysis

max time kernel
105s
max time network
142s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 17:21

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General

Target

289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
Size

698KB
MD5

917b037ccfe24c51c2d4deaa007995ad
SHA1

91edcc2fb181c37a1920602079d6f68215203aa0
SHA256

289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e
SHA512

7eb4d87ad5a757d98a7fef619a0c226264f3b151e0f7bb50908cc40a87f2dda2e41951806bc4945ed069d46ab8b30254507e57537a88732e140932ee360a26fd
SSDEEP

12288:tpr0l29vZ/knYYWTGpn2m6tsIlnQvf2UyYOUntaFQ6aH/db4:7rA2TYYHCpnpmQH2XYOUnETaH

Score

8^/10

evasion persistence themida

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
688	svcr.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}	svcr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{2bf41070-b2b1-21d1-b5c1-0305f4055515}\StubPath = "C:\\windows\\svcr.exe"	svcr.exe

Deletes itself 1 IoCs

pid	Process
688	svcr.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	svcr.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x000b0000000122e4-56.dat	themida
behavioral1/memory/1348-57-0x0000000000400000-0x0000000000573000-memory.dmp	themida
behavioral1/memory/688-67-0x0000000000400000-0x0000000000573000-memory.dmp	themida

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe"	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\system = "C:\\Windows\\svcr.exe"	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
688	svcr.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svcr.exe	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
File created	C:\Windows\svcr.exe	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FD3C5531-4FE8-11ED-AA9B-EE0F1DD48A27} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "372974744"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
688	svcr.exe
688	svcr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	688	svcr.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
432	IEXPLORE.EXE
432	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
432	IEXPLORE.EXE
432	IEXPLORE.EXE
1784	IEXPLORE.EXE
1784	IEXPLORE.EXE
432	IEXPLORE.EXE
432	IEXPLORE.EXE
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE
1632	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 768	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	27
PID 1348 wrote to memory of 768	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	27
PID 1348 wrote to memory of 768	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	27
PID 1348 wrote to memory of 768	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	27
PID 768 wrote to memory of 432	768	IEXPLORE.EXE	28
PID 768 wrote to memory of 432	768	IEXPLORE.EXE	28
PID 768 wrote to memory of 432	768	IEXPLORE.EXE	28
PID 768 wrote to memory of 432	768	IEXPLORE.EXE	28
PID 432 wrote to memory of 1784	432	IEXPLORE.EXE	30
PID 432 wrote to memory of 1784	432	IEXPLORE.EXE	30
PID 432 wrote to memory of 1784	432	IEXPLORE.EXE	30
PID 432 wrote to memory of 1784	432	IEXPLORE.EXE	30
PID 1348 wrote to memory of 688	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	31
PID 1348 wrote to memory of 688	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	31
PID 1348 wrote to memory of 688	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	31
PID 1348 wrote to memory of 688	1348	289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe	31
PID 688 wrote to memory of 940	688	svcr.exe	32
PID 688 wrote to memory of 940	688	svcr.exe	32
PID 688 wrote to memory of 940	688	svcr.exe	32
PID 688 wrote to memory of 940	688	svcr.exe	32
PID 940 wrote to memory of 1200	940	IEXPLORE.EXE	33
PID 940 wrote to memory of 1200	940	IEXPLORE.EXE	33
PID 940 wrote to memory of 1200	940	IEXPLORE.EXE	33
PID 940 wrote to memory of 1200	940	IEXPLORE.EXE	33
PID 432 wrote to memory of 1632	432	IEXPLORE.EXE	34
PID 432 wrote to memory of 1632	432	IEXPLORE.EXE	34
PID 432 wrote to memory of 1632	432	IEXPLORE.EXE	34
PID 432 wrote to memory of 1632	432	IEXPLORE.EXE	34
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33
PID 688 wrote to memory of 1200	688	svcr.exe	33

C:\Users\Admin\AppData\Local\Temp\289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe
"C:\Users\Admin\AppData\Local\Temp\289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe"
1⤵
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:768
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:432
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:432 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1784
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:432 CREDAT:6501379 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1632
- C:\Windows\svcr.exe
  "C:\Windows\svcr.exe" "C:\Users\Admin\AppData\Local\Temp\289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e.exe"
  2⤵
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Deletes itself
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\QA7GO30U.txt

Filesize
608B

MD5
8e2f2c3301524a9733c29b13d249dc43

SHA1
d10950d51dc7d700594408c27788a0a55be762be

SHA256
51b56d4483aa03b9ed943b7366dfeba344c95ead5aa75a95d89fa93d59f4a0f4

SHA512
31c5bf107a0f170f7530c3d6113bbaf02a2bc4038a78b17bfc5846b3fbd115da32533eec39d2e9fa550dcdf5ec69c546badd19094683c8f259206565ca52f5e1

Download Submit
C:\Windows\svcr.exe

Filesize
698KB

MD5
917b037ccfe24c51c2d4deaa007995ad

SHA1
91edcc2fb181c37a1920602079d6f68215203aa0

SHA256
289d9ceaf6530ab298972e364233604eeb0e5ab513c2c9153c9e52d5cf6b1e9e

SHA512
7eb4d87ad5a757d98a7fef619a0c226264f3b151e0f7bb50908cc40a87f2dda2e41951806bc4945ed069d46ab8b30254507e57537a88732e140932ee360a26fd

Download Submit
memory/688-60-0x0000000010410000-0x000000001042E000-memory.dmp

Filesize
120KB

Download
memory/688-67-0x0000000000400000-0x0000000000573000-memory.dmp

Filesize
1.4MB

Download
memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1348-57-0x0000000000400000-0x0000000000573000-memory.dmp

Filesize
1.4MB

Download