Analysis
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max time kernel
93s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 11:55
Static task
static1
Behavioral task
behavioral1
Sample
MT103_Scan.scr
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
MT103_Scan.scr
Resource
win10v2004-20240226-en
General
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Target
MT103_Scan.scr
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Size
704KB
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MD5
93d88b3b46ea0d5803250bf20fabdfcc
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SHA1
1490610893cc15b655d316cafd2214442f4dc7c1
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SHA256
c6928488a090756ddbe372b054866978f70863d84391f7a52e408fa4b2bdbd80
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SHA512
3fb350bdc60656a4e8a92ee78be133f88b3a476b706c1304050107467b73fdfb02700231541615d68d09b448b4caac5128c195d441af58f4dfc738ca8960da04
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SSDEEP
12288:JLdsbuHILjUSDZb8tmu6vdqnjtWe7b2Hzyos3tz+STzoJcaPtfvhfIww2kZrPla1:yFHDZbrZvdqnjcbz49+IzoJB1WV2iN
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.kirpaagro.com - Port:
587 - Username:
[email protected] - Password:
***kirpainfo@123 - 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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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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation MT103_Scan.scr -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1996 set thread context of 2584 1996 MT103_Scan.scr 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2828 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1996 MT103_Scan.scr 1996 MT103_Scan.scr 1996 MT103_Scan.scr 1996 MT103_Scan.scr 1996 MT103_Scan.scr 1996 MT103_Scan.scr 1996 MT103_Scan.scr 2448 powershell.exe 2584 RegSvcs.exe 2584 RegSvcs.exe 2448 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1996 MT103_Scan.scr Token: SeDebugPrivilege 2448 powershell.exe Token: SeDebugPrivilege 2584 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1996 wrote to memory of 2448 1996 MT103_Scan.scr 94 PID 1996 wrote to memory of 2448 1996 MT103_Scan.scr 94 PID 1996 wrote to memory of 2448 1996 MT103_Scan.scr 94 PID 1996 wrote to memory of 2828 1996 MT103_Scan.scr 96 PID 1996 wrote to memory of 2828 1996 MT103_Scan.scr 96 PID 1996 wrote to memory of 2828 1996 MT103_Scan.scr 96 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98 PID 1996 wrote to memory of 2584 1996 MT103_Scan.scr 98
Processes
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C:\Users\Admin\AppData\Local\Temp\MT103_Scan.scr"C:\Users\Admin\AppData\Local\Temp\MT103_Scan.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ntnDtvjmjQYPyc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2448
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ntnDtvjmjQYPyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8954.tmp"2⤵
- Creates scheduled task(s)
PID:2828
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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:2584
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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
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Filesize
1KB
MD533ab3faf5433cca85f0de6710e7ade8d
SHA10d936981bdc5cdde96e6fd6b776a47b4af9e2024
SHA256a09909a849140efead721541f2fb202c0fdf282bc96cf0b90c4096c65c30513f
SHA51279bdbfabd5f8cc70b3fabd79922672cf00a11de111b0e4a1120cec0d1e4ab5ba501858cd2f1ca083874024784b77f9f7dd127f7e0400b04daf2963b1ea3ca6ae