Analysis
- max time kernel
171s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
08/02/2022, 19:55
General
- Target 776aa08b3744122876d56eddc0ce613f.exe
- Size 271KB
- Sample220208-ym5hyseae7
- SHA256 ef15eca83cb6c33e63b81fc047ebf055ea8d6855118fc616ec051ec0222307ac
Malware Config
Extracted
-
xloader
-
2.5
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p86f
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lawrencetodolist.com
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ci-ohio.com
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otpravka-pochti-23v.xyz
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evolutiondesign.academy
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anentdugloord.com
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niftyresult.com
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partner2form.com
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hffznt.com
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asukas.online
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heidefine.xyz
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secure-c5.com
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greenlink-engineering.com
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dextraseo.online
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apricitee.com
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kenyansinus.com
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dailangxiaozhan.com
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deuxfemmes.store
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overway.store
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herostea.com
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shaneparrottllc.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 8 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 39 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\776aa08b3744122876d56eddc0ce613f.exe"C:\Users\Admin\AppData\Local\Temp\776aa08b3744122876d56eddc0ce613f.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\776aa08b3744122876d56eddc0ce613f.exe"C:\Users\Admin\AppData\Local\Temp\776aa08b3744122876d56eddc0ce613f.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1544-131-0x00000000023B0000-0x00000000023B2000-memory.dmp
memory/4220-135-0x000001FAF7220000-0x000001FAF7230000-memory.dmp
memory/4220-134-0x000001FAF6B90000-0x000001FAF6BA0000-memory.dmp
memory/4220-136-0x000001FAF9910000-0x000001FAF9914000-memory.dmp
memory/4840-132-0x0000000000400000-0x0000000000429000-memory.dmp
memory/4840-133-0x0000000000B80000-0x0000000000ECA000-memory.dmp