Analysis
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max time kernel
68s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
18-04-2022 12:01
Static task
static1
Behavioral task
behavioral1
Sample
893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe
Resource
win10v2004-20220414-en
General
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Target
893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe
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Size
237KB
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MD5
eff41fc132a136f18e929fd2dbbc6f0c
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SHA1
8172ddc7def1ff008a7b67b691f898d48141efa3
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SHA256
893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e
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SHA512
45b54cb98d91abefa58b2f5e84c16ef07faa4e4673842b33aa071fb6236fb22dc52d961d5738e0160857f755460b61321ae64abe9e9a0a5f0138ae2e88890985
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
resource yara_rule behavioral2/memory/5016-131-0x0000000002240000-0x0000000002286000-memory.dmp family_onlylogger behavioral2/memory/5016-132-0x0000000000400000-0x00000000004F6000-memory.dmp family_onlylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.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 1 IoCs
pid pid_target Process procid_target 4368 5016 WerFault.exe 80 -
Kills process with taskkill 1 IoCs
pid Process 4400 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4400 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5016 wrote to memory of 2008 5016 893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe 81 PID 5016 wrote to memory of 2008 5016 893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe 81 PID 5016 wrote to memory of 2008 5016 893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe 81 PID 2008 wrote to memory of 4400 2008 cmd.exe 85 PID 2008 wrote to memory of 4400 2008 cmd.exe 85 PID 2008 wrote to memory of 4400 2008 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe"C:\Users\Admin\AppData\Local\Temp\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "893e3007917cabb488406223f2c36c4556721e36ebfa9b0a57183ca01e48045e.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5016 -s 10882⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5016 -ip 50161⤵PID:4888