Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 02:04
Static task
static1
Behavioral task
behavioral1
Sample
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe
Resource
win10v2004-20240226-en
General
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Target
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe
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Size
213KB
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MD5
27af175b8006ce6c2376748b21748412
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SHA1
ec6b0f34dbe9294a82dcc379b3de2b744f5d65ea
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SHA256
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680
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SHA512
fa9692944fadd680c07bcfb6627f561f809e97142b41d98605c2d4034abf576ec87becd47eb4ad385d7c6d180a5d6264fe979446f4c152e4eb1fedd6e6fd69d4
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SSDEEP
3072:lhgaMehpuSXYIdP/1pnVLjIvwHyV9YOsUw2hIE3JoN8EheTgc33FgO:FBLrXzn1pnV/gse9yvbE5ovh3
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
valleycountysar.org - Port:
26 - Username:
[email protected] - Password:
iU0Ta!$K8L51 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2912-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
RegAsm.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exedescription pid process target process PID 3076 set thread context of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 2912 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2912 RegAsm.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exeRegAsm.execmd.exedescription pid process target process PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 3076 wrote to memory of 2912 3076 ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe RegAsm.exe PID 2912 wrote to memory of 4464 2912 RegAsm.exe cmd.exe PID 2912 wrote to memory of 4464 2912 RegAsm.exe cmd.exe PID 2912 wrote to memory of 4464 2912 RegAsm.exe cmd.exe PID 4464 wrote to memory of 1944 4464 cmd.exe choice.exe PID 4464 wrote to memory of 1944 4464 cmd.exe choice.exe PID 4464 wrote to memory of 1944 4464 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe"C:\Users\Admin\AppData\Local\Temp\ce8d8f5b2708fb0a26ac9ce32c303779179ff58297279c834fd8220b77154680.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4020 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2912-8-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/2912-15-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/2912-11-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/2912-10-0x0000000005270000-0x000000000530C000-memory.dmpFilesize
624KB
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memory/2912-9-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/3076-3-0x0000000004BC0000-0x0000000004C52000-memory.dmpFilesize
584KB
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memory/3076-6-0x0000000004B90000-0x0000000004B9A000-memory.dmpFilesize
40KB
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memory/3076-7-0x0000000004B80000-0x0000000004B8A000-memory.dmpFilesize
40KB
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memory/3076-5-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/3076-4-0x0000000004AC0000-0x0000000004AF6000-memory.dmpFilesize
216KB
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memory/3076-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmpFilesize
4KB
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memory/3076-2-0x0000000005170000-0x0000000005714000-memory.dmpFilesize
5.6MB
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memory/3076-13-0x0000000074E40000-0x00000000755F0000-memory.dmpFilesize
7.7MB
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memory/3076-1-0x00000000000B0000-0x00000000000EC000-memory.dmpFilesize
240KB