Analysis
- max time kernel
12s - max time network
68s - platform
windows10_x64 - resource
win10v20201028 - submitted
26/02/2021, 21:57
Static task
static1
Behavioral task
behavioral1
Sample
mon88.dll
Resource
win7v20201028
0 signatures
0 seconds
General
- Target mon88.dll
- Size 684KB
- Sample210226-awpd4gpkas
- SHA256 07048e9764891e39f3e37c72c8ca33a6a01cbd359cd47c12a3af7726769e83b8
- MD5 10dcb25376d06bc580d053b982f2d9a3
- SHA1 a05fcb08123e2ce5385081ce5b57e6dd211b9c3c
- SHA512 d377b20f6d6ef9133694e2f776a117307dace1756c00634871f8aac7ab586cd2da982c01715b41b0a4d2a40b6ec621b8f1f4db77fad5df104f1d3de074eb1381
- MD5 SHA1 SHA512
Malware Config
Signatures
- Templ.dll packer 3 IoCs
Detects Templ.dll packer which usually loads Trickbot.
resource yara_rule behavioral2/memory/4032-4-0x0000000004A00000-0x0000000004A37000-memory.dmp templ_dll behavioral2/memory/4032-3-0x00000000049C0000-0x00000000049F9000-memory.dmp templ_dll behavioral2/memory/4032-5-0x0000000004640000-0x0000000004676000-memory.dmp templ_dll - Program crash 1 IoCs
pid pid_target Process procid_target 2836 4032 WerFault.exe 72 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe 2836 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2836 WerFault.exe Token: SeBackupPrivilege 2836 WerFault.exe Token: SeDebugPrivilege 2836 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1144 wrote to memory of 4032 1144 regsvr32.exe 72 PID 1144 wrote to memory of 4032 1144 regsvr32.exe 72 PID 1144 wrote to memory of 4032 1144 regsvr32.exe 72
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\mon88.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\mon88.dll2⤵PID:4032
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 7323⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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