Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
22-05-2024 14:25
Static task
static1
Behavioral task
behavioral1
Sample
INSTALLATION BOQ KATSINA.exe
Resource
win7-20240215-en
General
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Target
INSTALLATION BOQ KATSINA.exe
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Size
1.0MB
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MD5
ccdd09951364a23f760ac5b6425dabe4
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SHA1
00f370ab98cbbd7cb81b522b52154859240a1f7c
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SHA256
988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800
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SHA512
c0d7f193e92060a14eed04e867a4b57004e0acd63118e97f921e9d6707242ad8e62a744ab4f6f1f7ed8776df0ffd3c5738bae2fd74d60da977b5fb8d751e1fa4
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SSDEEP
24576:2R+ow4bjw4b0LqM4oxEK8GPMdiXCC3MkejWIF5y73:2Rrw4bjw4b0/XPMdiyC3M/So5E3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.greenimpressionbd.com - Port:
587 - Username:
[email protected] - Password:
Rumizaman123 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
INSTALLATION BOQ KATSINA.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation INSTALLATION BOQ KATSINA.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 42 api.ipify.org 43 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INSTALLATION BOQ KATSINA.exedescription pid process target process PID 4732 set thread context of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
RegSvcs.exepowershell.exepid process 4244 RegSvcs.exe 4244 RegSvcs.exe 4396 powershell.exe 4396 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
RegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 4244 RegSvcs.exe Token: SeDebugPrivilege 4396 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
INSTALLATION BOQ KATSINA.exedescription pid process target process PID 4732 wrote to memory of 4396 4732 INSTALLATION BOQ KATSINA.exe powershell.exe PID 4732 wrote to memory of 4396 4732 INSTALLATION BOQ KATSINA.exe powershell.exe PID 4732 wrote to memory of 4396 4732 INSTALLATION BOQ KATSINA.exe powershell.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe PID 4732 wrote to memory of 4244 4732 INSTALLATION BOQ KATSINA.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe"C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4732 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INSTALLATION BOQ KATSINA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4244
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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