Analysis
- max time kernel
107s - max time network
108s - platform
windows7_x64 - resource
win7v200722 - submitted
05/08/2020, 08:03
Static task
static1
Behavioral task
behavioral1
Sample
REV-INV8796E425.exe
Resource
win7v200722
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
REV-INV8796E425.exe
Resource
win10
windows10_x64
0 signatures
0 seconds
General
- Target REV-INV8796E425.exe
- Size 276KB
- Sample200805-macshrgb9x
- SHA256 9d6db09dd795c7571aa27604483c0875da0c2a8b1501e6c4d34093b38da06ea2
- MD5 4383a83bec5376131a466be2be9e2324
- SHA1 5099f6671566a42cdf30cd9c9a3b04555df8a448
- SHA512 67a69ccd23de22ad80b8e008f2fc39f52c6511e576d636775e1c0b277d073d92d65f92bd75a8173bca8ba46c48932830a1afade993cb47f4b42ded1506c9a3dc
- MD5 SHA1 SHA512
Malware Config
Signatures
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1440 set thread context of 1784 1440 REV-INV8796E425.exe 26 - Deletes itself 1 IoCs
pid Process 1584 cmd.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1540 schtasks.exe - Suspicious use of AdjustPrivilegeToken 33 IoCs
description pid Process Token: SeDebugPrivilege 1440 REV-INV8796E425.exe Token: SeImpersonatePrivilege 1784 REV-INV8796E425.exe Token: SeTcbPrivilege 1784 REV-INV8796E425.exe Token: SeChangeNotifyPrivilege 1784 REV-INV8796E425.exe Token: SeCreateTokenPrivilege 1784 REV-INV8796E425.exe Token: SeBackupPrivilege 1784 REV-INV8796E425.exe Token: SeRestorePrivilege 1784 REV-INV8796E425.exe Token: SeIncreaseQuotaPrivilege 1784 REV-INV8796E425.exe Token: SeAssignPrimaryTokenPrivilege 1784 REV-INV8796E425.exe Token: SeImpersonatePrivilege 1784 REV-INV8796E425.exe Token: SeTcbPrivilege 1784 REV-INV8796E425.exe Token: SeChangeNotifyPrivilege 1784 REV-INV8796E425.exe Token: SeCreateTokenPrivilege 1784 REV-INV8796E425.exe Token: SeBackupPrivilege 1784 REV-INV8796E425.exe Token: SeRestorePrivilege 1784 REV-INV8796E425.exe Token: SeIncreaseQuotaPrivilege 1784 REV-INV8796E425.exe Token: SeAssignPrimaryTokenPrivilege 1784 REV-INV8796E425.exe Token: SeImpersonatePrivilege 1784 REV-INV8796E425.exe Token: SeTcbPrivilege 1784 REV-INV8796E425.exe Token: SeChangeNotifyPrivilege 1784 REV-INV8796E425.exe Token: SeCreateTokenPrivilege 1784 REV-INV8796E425.exe Token: SeBackupPrivilege 1784 REV-INV8796E425.exe Token: SeRestorePrivilege 1784 REV-INV8796E425.exe Token: SeIncreaseQuotaPrivilege 1784 REV-INV8796E425.exe Token: SeAssignPrimaryTokenPrivilege 1784 REV-INV8796E425.exe Token: SeImpersonatePrivilege 1784 REV-INV8796E425.exe Token: SeTcbPrivilege 1784 REV-INV8796E425.exe Token: SeChangeNotifyPrivilege 1784 REV-INV8796E425.exe Token: SeCreateTokenPrivilege 1784 REV-INV8796E425.exe Token: SeBackupPrivilege 1784 REV-INV8796E425.exe Token: SeRestorePrivilege 1784 REV-INV8796E425.exe Token: SeIncreaseQuotaPrivilege 1784 REV-INV8796E425.exe Token: SeAssignPrimaryTokenPrivilege 1784 REV-INV8796E425.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1440 REV-INV8796E425.exe 1440 REV-INV8796E425.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1440 wrote to memory of 1540 1440 REV-INV8796E425.exe 24 PID 1440 wrote to memory of 1540 1440 REV-INV8796E425.exe 24 PID 1440 wrote to memory of 1540 1440 REV-INV8796E425.exe 24 PID 1440 wrote to memory of 1540 1440 REV-INV8796E425.exe 24 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1440 wrote to memory of 1784 1440 REV-INV8796E425.exe 26 PID 1784 wrote to memory of 1584 1784 REV-INV8796E425.exe 30 PID 1784 wrote to memory of 1584 1784 REV-INV8796E425.exe 30 PID 1784 wrote to memory of 1584 1784 REV-INV8796E425.exe 30 PID 1784 wrote to memory of 1584 1784 REV-INV8796E425.exe 30 - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
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C:\Users\Admin\AppData\Local\Temp\REV-INV8796E425.exe"C:\Users\Admin\AppData\Local\Temp\REV-INV8796E425.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WyBuuHxpX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpECCE.tmp"2⤵
- Creates scheduled task(s)
PID:1540
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C:\Users\Admin\AppData\Local\Temp\REV-INV8796E425.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\134613.bat" "C:\Users\Admin\AppData\Local\Temp\REV-INV8796E425.exe" "3⤵
- Deletes itself
PID:1584
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