Analysis
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max time kernel
132s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
11-05-2022 02:40
Static task
static1
Behavioral task
behavioral1
Sample
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe
Resource
win10v2004-20220414-en
General
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Target
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe
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Size
323KB
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MD5
d83653278606c5f648c78ad1b6555c64
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SHA1
8446eca4631b6153560ad382f63274649e7426b3
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SHA256
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0
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SHA512
3ffdb5d5102db1d4e7b4c4e4f3cdb095dfa446cec8c22fc1707e3983b3bd39d85d33ff48d1a163a69ab81c3598d31188c1aee612b6cb1ec69016f768debce89e
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/4628-131-0x0000000004F10000-0x0000000004F56000-memory.dmp family_onlylogger behavioral2/memory/4628-132-0x0000000000400000-0x0000000004DCD000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.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 4928 4628 WerFault.exe 84 740 4628 WerFault.exe 84 4852 4628 WerFault.exe 84 3152 4628 WerFault.exe 84 4632 4628 WerFault.exe 84 3732 4628 WerFault.exe 84 4612 4628 WerFault.exe 84 548 4628 WerFault.exe 84 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 1692 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 1692 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.execmd.exedescription pid Process procid_target PID 4628 wrote to memory of 864 4628 8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe 106 PID 4628 wrote to memory of 864 4628 8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe 106 PID 4628 wrote to memory of 864 4628 8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe 106 PID 864 wrote to memory of 1692 864 cmd.exe 110 PID 864 wrote to memory of 1692 864 cmd.exe 110 PID 864 wrote to memory of 1692 864 cmd.exe 110
Processes
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C:\Users\Admin\AppData\Local\Temp\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe"C:\Users\Admin\AppData\Local\Temp\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 6122⤵
- Program crash
PID:4928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 6322⤵
- Program crash
PID:740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 7362⤵
- Program crash
PID:4852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 7922⤵
- Program crash
PID:3152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 10882⤵
- Program crash
PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 11602⤵
- Program crash
PID:3732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 12162⤵
- Program crash
PID:4612
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "8a247a04783a7f2c1bda188afc2193a523001e698543fc3175375767833f66a0.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 11122⤵
- Program crash
PID:548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 46281⤵PID:348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4628 -ip 46281⤵PID:5056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4628 -ip 46281⤵PID:3456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4628 -ip 46281⤵PID:3740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4628 -ip 46281⤵PID:452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4628 -ip 46281⤵PID:632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4628 -ip 46281⤵PID:2960
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4628 -ip 46281⤵PID:4784
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s camsvc1⤵PID:4236