Analysis
- max time kernel
51s - max time network
117s - platform
windows10_x64 - resource
win10v20210408 - submitted
24/08/2021, 06:42
Static task
static1
Behavioral task
behavioral1
Sample
d4bcbd31d9138b2d6f86d109c4dad6f4.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
d4bcbd31d9138b2d6f86d109c4dad6f4.exe
Resource
win10v20210408
windows10_x64
0 signatures
0 seconds
General
- Target d4bcbd31d9138b2d6f86d109c4dad6f4.exe
- Size 345KB
- Sample210824-b5cbhtwt3x
- SHA256 22101fe25d7a6acbcec8dc39d177dccb0fb56e6f08f95876963a9f3dfda01b5b
- MD5 d4bcbd31d9138b2d6f86d109c4dad6f4
- SHA1 bb2d1b4e68a3e1b9869f0a5755e25ef16ac664b9
- SHA512 116326d7ae5dcbb263c603f5e900e9a4a92a9ac778bd7910ea10d0f52c7453c95e1cfd8134d05775e98d20d915f32d30231fe74de55782e1dc5acb3ca0f4d56e
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4196 33A2E4F0.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{7C046CF8-759C-4301-A95C-2D5FD8AD23DE} = "C:\\ProgramData\\{1D7BD5EC-1EA9-44E8-9114-08DDFBD26AB9}\\33A2E4F0.exe" d4bcbd31d9138b2d6f86d109c4dad6f4.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run d4bcbd31d9138b2d6f86d109c4dad6f4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\{7C046CF8-759C-4301-A95C-2D5FD8AD23DE} = "C:\\ProgramData\\{1D7BD5EC-1EA9-44E8-9114-08DDFBD26AB9}\\33A2E4F0.exe" d4bcbd31d9138b2d6f86d109c4dad6f4.exe Key created \REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\Run d4bcbd31d9138b2d6f86d109c4dad6f4.exe - Program crash 9 IoCs
pid pid_target Process procid_target 340 4196 WerFault.exe 77 1040 4196 WerFault.exe 77 1160 4196 WerFault.exe 77 1280 4196 WerFault.exe 77 1500 4196 WerFault.exe 77 1656 4196 WerFault.exe 77 1828 4196 WerFault.exe 77 1568 4196 WerFault.exe 77 2368 4196 WerFault.exe 77 - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 340 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1040 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1160 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1280 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe 1500 WerFault.exe - Suspicious use of AdjustPrivilegeToken 11 IoCs
description pid Process Token: SeRestorePrivilege 340 WerFault.exe Token: SeBackupPrivilege 340 WerFault.exe Token: SeDebugPrivilege 340 WerFault.exe Token: SeDebugPrivilege 1040 WerFault.exe Token: SeDebugPrivilege 1160 WerFault.exe Token: SeDebugPrivilege 1280 WerFault.exe Token: SeDebugPrivilege 1500 WerFault.exe Token: SeDebugPrivilege 1656 WerFault.exe Token: SeDebugPrivilege 1828 WerFault.exe Token: SeDebugPrivilege 1568 WerFault.exe Token: SeDebugPrivilege 2368 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4796 wrote to memory of 4196 4796 d4bcbd31d9138b2d6f86d109c4dad6f4.exe 77 PID 4796 wrote to memory of 4196 4796 d4bcbd31d9138b2d6f86d109c4dad6f4.exe 77 PID 4796 wrote to memory of 4196 4796 d4bcbd31d9138b2d6f86d109c4dad6f4.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\d4bcbd31d9138b2d6f86d109c4dad6f4.exe"C:\Users\Admin\AppData\Local\Temp\d4bcbd31d9138b2d6f86d109c4dad6f4.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\ProgramData\{1D7BD5EC-1EA9-44E8-9114-08DDFBD26AB9}\33A2E4F0.exe"C:\ProgramData\{1D7BD5EC-1EA9-44E8-9114-08DDFBD26AB9}\33A2E4F0.exe"2⤵
- Executes dropped EXE
PID:4196 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7323⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7003⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7723⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1160
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7043⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7083⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7643⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7843⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7243⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 7523⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2368
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