Analysis
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max time kernel
113s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
08-05-2022 06:21
Static task
static1
Behavioral task
behavioral1
Sample
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe
Resource
win10v2004-20220414-en
General
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Target
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe
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Size
453KB
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MD5
ba6dccfafbb7e0be71a5de633c7c54e9
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SHA1
7328162ced93a894b65411d02c126698a70cf28d
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SHA256
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d
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SHA512
50a8e9bc3ecf707d6ebc55c4383c7c94c7c3ad56e7fca3bcd0833d7aec9ade5869ddbcb2e436843494eb840076056cf7c781dbb5f7ba8dee1724743ae8ed7df3
Malware Config
Signatures
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OnlyLogger
A tiny loader that uses IPLogger to get its payload.
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OnlyLogger Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/4624-131-0x00000000011F0000-0x0000000001236000-memory.dmp family_onlylogger behavioral2/memory/4624-132-0x0000000000400000-0x0000000000C4D000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 8 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target Process procid_target 4416 4624 WerFault.exe 80 960 4624 WerFault.exe 80 4964 4624 WerFault.exe 80 4628 4624 WerFault.exe 80 540 4624 WerFault.exe 80 2196 4624 WerFault.exe 80 5076 4624 WerFault.exe 80 3140 4624 WerFault.exe 80 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 508 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 508 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.execmd.exedescription pid Process procid_target PID 4624 wrote to memory of 2484 4624 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 105 PID 4624 wrote to memory of 2484 4624 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 105 PID 4624 wrote to memory of 2484 4624 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 105 PID 2484 wrote to memory of 508 2484 cmd.exe 109 PID 2484 wrote to memory of 508 2484 cmd.exe 109 PID 2484 wrote to memory of 508 2484 cmd.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe"C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 6122⤵
- Program crash
PID:4416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 6482⤵
- Program crash
PID:960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 7362⤵
- Program crash
PID:4964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 7362⤵
- Program crash
PID:4628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 8402⤵
- Program crash
PID:540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 11842⤵
- Program crash
PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 12442⤵
- Program crash
PID:5076
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 10762⤵
- Program crash
PID:3140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 46241⤵PID:1924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4624 -ip 46241⤵PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4624 -ip 46241⤵PID:2660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4624 -ip 46241⤵PID:2456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4624 -ip 46241⤵PID:764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4624 -ip 46241⤵PID:1288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4624 -ip 46241⤵PID:2388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4624 -ip 46241⤵PID:4228