Analysis
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max time kernel
40s -
max time network
60s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
08-05-2022 06:21
Static task
static1
Behavioral task
behavioral1
Sample
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
Resource
win10v2004-20220414-en
General
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Target
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe
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Size
218KB
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MD5
01234f83e249a01fbfab92904f81baa7
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SHA1
3936f61c42775c4b2f872b4827d04225da1bb10c
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SHA256
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb
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SHA512
70b46671d4c98c12f1545bd22bd943ffd7d8c3651533203172128e598edd2ea425cee8d14024099cb706069db21ff0cc7e37aa48838005c1875c1104415f56ad
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/1952-57-0x0000000000220000-0x0000000000266000-memory.dmp family_onlylogger behavioral1/memory/1952-58-0x0000000000400000-0x0000000000F94000-memory.dmp family_onlylogger -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1720 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 852 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 852 taskkill.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.execmd.exedescription pid Process procid_target PID 1952 wrote to memory of 1720 1952 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 27 PID 1952 wrote to memory of 1720 1952 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 27 PID 1952 wrote to memory of 1720 1952 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 27 PID 1952 wrote to memory of 1720 1952 a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe 27 PID 1720 wrote to memory of 852 1720 cmd.exe 29 PID 1720 wrote to memory of 852 1720 cmd.exe 29 PID 1720 wrote to memory of 852 1720 cmd.exe 29 PID 1720 wrote to memory of 852 1720 cmd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe"C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "a2a80c72ef8ba023278774d34b282c00ac5a6fae9dd90b4dfb387ab6cacb1cdb.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:852
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