Analysis
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max time kernel
76s -
max time network
60s -
platform
windows7_x64 -
resource
win7-20220414-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 behavioral1/memory/908-56-0x00000000002E0000-0x0000000000326000-memory.dmp family_onlylogger behavioral1/memory/908-57-0x0000000000400000-0x0000000000C4D000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1652 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 976 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 976 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.execmd.exedescription pid Process procid_target PID 908 wrote to memory of 1652 908 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 28 PID 908 wrote to memory of 1652 908 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 28 PID 908 wrote to memory of 1652 908 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 28 PID 908 wrote to memory of 1652 908 405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe 28 PID 1652 wrote to memory of 976 1652 cmd.exe 30 PID 1652 wrote to memory of 976 1652 cmd.exe 30 PID 1652 wrote to memory of 976 1652 cmd.exe 30 PID 1652 wrote to memory of 976 1652 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe"C:\Users\Admin\AppData\Local\Temp\405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:908 -
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⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "405cb81ef326299cf3eee91f8b83c4e1fda30ce5da409857a31b04f7ddbc2b9d.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:976
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