Analysis
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max time kernel
147s -
max time network
62s -
platform
windows10_x64 -
resource
win10v200722 -
submitted
31-07-2020 16:13
Static task
static1
Behavioral task
behavioral1
Sample
1e20978faf83eef6a9d3f22dc7a2e17e.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
General
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Target
1e20978faf83eef6a9d3f22dc7a2e17e.exe
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Size
464KB
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MD5
1e20978faf83eef6a9d3f22dc7a2e17e
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SHA1
25c2f7e1e00cfaa7ca77d6e92329378af65cd41f
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SHA256
3d8567fb3b55c792b8ba70e2172726ae80805f1a1c858db29e13a5cd02d8634a
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SHA512
b209cbc0c64c38c57ad6c0b198c035332fb670c7d80c3ff3ac338b96eb7e779e32e3a7bf8e7ee307d1e05106e536eaf72f16d66d0678217a0bb4da0da973ba09
Malware Config
Signatures
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Suspicious behavior: EnumeratesProcesses 138 IoCs
pid Process 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 2744 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 644 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 392 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1340 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 1636 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 2404 WerFault.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 68 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 960 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe 996 WerFault.exe -
Loads dropped DLL 2 IoCs
pid Process 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 1e20978faf83eef6a9d3f22dc7a2e17e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 1e20978faf83eef6a9d3f22dc7a2e17e.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 10 IoCs
pid pid_target Process procid_target 2744 4036 WerFault.exe 65 644 4036 WerFault.exe 65 996 4036 WerFault.exe 65 392 4036 WerFault.exe 65 1340 4036 WerFault.exe 65 1636 4036 WerFault.exe 65 2404 4036 WerFault.exe 65 68 4036 WerFault.exe 65 960 4036 WerFault.exe 65 996 4036 WerFault.exe 65 -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeRestorePrivilege 2744 WerFault.exe Token: SeBackupPrivilege 2744 WerFault.exe Token: SeDebugPrivilege 2744 WerFault.exe Token: SeDebugPrivilege 644 WerFault.exe Token: SeDebugPrivilege 996 WerFault.exe Token: SeDebugPrivilege 392 WerFault.exe Token: SeDebugPrivilege 1340 WerFault.exe Token: SeDebugPrivilege 1636 WerFault.exe Token: SeDebugPrivilege 2404 WerFault.exe Token: SeDebugPrivilege 68 WerFault.exe Token: SeDebugPrivilege 960 WerFault.exe Token: SeDebugPrivilege 996 WerFault.exe Token: SeDebugPrivilege 1396 taskkill.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Kills process with taskkill 1 IoCs
pid Process 1396 taskkill.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ip-api.com -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4036 wrote to memory of 1088 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 79 PID 4036 wrote to memory of 1088 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 79 PID 4036 wrote to memory of 1088 4036 1e20978faf83eef6a9d3f22dc7a2e17e.exe 79 PID 1088 wrote to memory of 1396 1088 cmd.exe 81 PID 1088 wrote to memory of 1396 1088 cmd.exe 81 PID 1088 wrote to memory of 1396 1088 cmd.exe 81 -
JavaScript code in executable 1 IoCs
resource yara_rule behavioral2/files/0x000100000001ad56-39.dat js
Processes
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C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe"C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 8082⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 9202⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 10802⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 11402⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 11802⤵
- Suspicious behavior: EnumeratesProcesses
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1340
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 10442⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 12922⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:2404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 12722⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:68
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 11002⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 11442⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
PID:996
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f & erase C:\Users\Admin\AppData\Local\Temp\1e20978faf83eef6a9d3f22dc7a2e17e.exe & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1088 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im 1e20978faf83eef6a9d3f22dc7a2e17e.exe /f3⤵
- Suspicious use of AdjustPrivilegeToken
- Kills process with taskkill
PID:1396
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