Analysis
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max time kernel
131s -
max time network
89s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
31-05-2021 08:46
Static task
static1
Behavioral task
behavioral1
Sample
PO#31052021104221.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
PO#31052021104221.exe
Resource
win10v20210410
General
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Target
PO#31052021104221.exe
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Size
791KB
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MD5
02549a3475f0a396c95b093547be8448
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SHA1
b786b4cf23754d88519ba070f6d255715374d00c
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SHA256
8c931f6459c6683ac41b0d1bf1600800404407cbd892bfe495cfaea1945feee9
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SHA512
b7b9afb61f1bfda1e140a4c8ea9a2f36cc5f0272f40ddb6743578903b25aee2cee0002443a61a321dfe41b0d8b054ea120e93f70269ecea34a110db8bf5dd02a
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
msonsgroup.in - Port:
587 - Username:
[email protected] - Password:
speak2424@
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/560-66-0x000000000046453E-mapping.dmp family_snakekeylogger behavioral1/memory/560-65-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger behavioral1/memory/560-67-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger -
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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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO#31052021104221.exedescription pid process target process PID 1028 set thread context of 560 1028 PO#31052021104221.exe PO#31052021104221.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1336 560 WerFault.exe PO#31052021104221.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
PO#31052021104221.exeWerFault.exepid process 560 PO#31052021104221.exe 1336 WerFault.exe 1336 WerFault.exe 1336 WerFault.exe 1336 WerFault.exe 1336 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1336 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO#31052021104221.exeWerFault.exedescription pid process Token: SeDebugPrivilege 560 PO#31052021104221.exe Token: SeDebugPrivilege 1336 WerFault.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PO#31052021104221.exePO#31052021104221.exedescription pid process target process PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 1028 wrote to memory of 560 1028 PO#31052021104221.exe PO#31052021104221.exe PID 560 wrote to memory of 1336 560 PO#31052021104221.exe WerFault.exe PID 560 wrote to memory of 1336 560 PO#31052021104221.exe WerFault.exe PID 560 wrote to memory of 1336 560 PO#31052021104221.exe WerFault.exe PID 560 wrote to memory of 1336 560 PO#31052021104221.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 10803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1336