glupteba | 2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99

Analysis

max time kernel
47s
max time network
155s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
17/04/2024, 23:27

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General

Target
2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Size 4.2MB
Sample240417-3ftkbshe97
SHA256 2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99
MD5 614e3ff9e0b112e71f42751e4c4d1588
SHA1 73f9f7d4ea9ebd54addb374512695d6f5612e6dc
SHA512 2b0360fc0693feec5d91d795298fa027508db73a6c046619b517238f58d0da64ba023421dcf65c1fa9d79f59c37254543dad484deae985424a3c60d21fd265d9
SSDEEP 98304:6kZ2HRjDxUqNRSWw/fdG0ya8lhbNKCN+OMuHRmn++CozeYuDE:7Z2x3CqNcHdGTLNp+F+8elDE
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

glupteba dropper evasion loader persistence upx

Malware Config

Signatures

Glupteba
Glupteba is a modular loader written in Golang with various components.
loader dropper glupteba

Glupteba payload 18 IoCs

resource	yara_rule
behavioral2/memory/1072-2-0x0000000005360000-0x0000000005C4B000-memory.dmp	family_glupteba
behavioral2/memory/1072-3-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1072-44-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1268-55-0x0000000005230000-0x0000000005B1B000-memory.dmp	family_glupteba
behavioral2/memory/1268-56-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1072-69-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1268-84-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1268-117-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1268-131-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/1268-179-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-237-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-251-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-256-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-260-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-264-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-268-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-272-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba
behavioral2/memory/4508-276-0x0000000000400000-0x000000000310F000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2200	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4508	csrss.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000200000002aa1e-247.dat	upx
behavioral2/memory/4128-252-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2596-257-0x0000000000400000-0x00000000008DF000-memory.dmp	upx
behavioral2/memory/2596-265-0x0000000000400000-0x00000000008DF000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4041115548-3858121278-1660933110-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\""	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
File created	C:\Windows\rss\csrss.exe	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4584	sc.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
996	schtasks.exe
2884	schtasks.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time"	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4616	powershell.exe
4616	powershell.exe
1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1984	powershell.exe
1984	powershell.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
2704	powershell.exe
2704	powershell.exe
4628	powershell.exe
4628	powershell.exe
2328	powershell.exe
2328	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	powershell.exe
Token: SeDebugPrivilege	1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Token: SeImpersonatePrivilege	1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
Token: SeDebugPrivilege	1984	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	4628	powershell.exe
Token: SeDebugPrivilege	2328	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 4616	1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	82
PID 1072 wrote to memory of 4616	1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	82
PID 1072 wrote to memory of 4616	1072	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	82
PID 1268 wrote to memory of 1984	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	87
PID 1268 wrote to memory of 1984	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	87
PID 1268 wrote to memory of 1984	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	87
PID 1268 wrote to memory of 3980	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	89
PID 1268 wrote to memory of 3980	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	89
PID 3980 wrote to memory of 2200	3980	cmd.exe	91
PID 3980 wrote to memory of 2200	3980	cmd.exe	91
PID 1268 wrote to memory of 2704	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	92
PID 1268 wrote to memory of 2704	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	92
PID 1268 wrote to memory of 2704	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	92
PID 1268 wrote to memory of 4628	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	95
PID 1268 wrote to memory of 4628	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	95
PID 1268 wrote to memory of 4628	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	95
PID 1268 wrote to memory of 4508	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	97
PID 1268 wrote to memory of 4508	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	97
PID 1268 wrote to memory of 4508	1268	2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe	97
PID 4508 wrote to memory of 2328	4508	csrss.exe	98
PID 4508 wrote to memory of 2328	4508	csrss.exe	98
PID 4508 wrote to memory of 2328	4508	csrss.exe	98

C:\Users\Admin\AppData\Local\Temp\2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
"C:\Users\Admin\AppData\Local\Temp\2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -nologo -noprofile
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4616
- C:\Users\Admin\AppData\Local\Temp\2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe
  "C:\Users\Admin\AppData\Local\Temp\2a6e7d63439f32e71066b57b46184aa830f42d6bb3d304d56e121ed84d381c99.exe"
  2⤵
  - Adds Run key to start application
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Drops file in Windows directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1984
- - C:\Windows\system32\cmd.exe
    C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3980
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      PID:2200
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Drops file in System32 directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4628
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4508
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      Modifies data under HKEY_USERS
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2328
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:996
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /delete /tn ScheduledUpdate /f
      4⤵
      PID:3260
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:3544
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:4588
  - - C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
      4⤵
      PID:4832
  - - C:\Windows\SYSTEM32\schtasks.exe
      schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
      4⤵
      Creates scheduled task(s)
      PID:2884
  - - C:\Windows\windefender.exe
      "C:\Windows\windefender.exe"
      4⤵
      PID:4128
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        5⤵
        
        PID:3096
      - C:\Windows\SysWOW64\sc.exe
        
        sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)
        6⤵
        Launches sc.exe
        
        PID:4584

C:\Windows\windefender.exe
C:\Windows\windefender.exe
1⤵
PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_cjswybke.1x0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cjswybke.1x0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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injector.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
Size 281KB
SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
MD5 d98e33b66343e7c96158444127a117f6
SHA1 bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA512 705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
SSDEEP 3072:qbHszDaOJ8u2HHFIWr6e29kOnK7qFQ8wMii5I7kGvNjzMuszHshoY46bEydJ+dK9:SA3IlIA6e29vngqS8wMmuooh8z+8F
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
MD5 d0c46cad6c0778401e21910bd6b56b70
SHA1 7be418951ea96326aca445b8dfe449b2bfa0dca6
SHA512 057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
MD5 SHA1 SHA512

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