Analysis
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max time kernel
105s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2025, 11:25
Static task
static1
General
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Target
U5jfeIGqS6smMA3.exe
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Size
824KB
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MD5
be0c5347e0cb068ce1fe72655dbf01a4
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SHA1
e80c58ec97f8677acd2b6f9ec6a25839c8517418
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SHA256
c4276aa60c7b56598376c807f51388f048aa47d65c99015b22240ec31da5521d
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SHA512
4bc5e2f3602f883e95741c91d93d0ad93a584d67cc29b95458369bdf21b67d45d6685af401e7a52ef778154341da48ee9c9286ca64594dd630ce936727e28a0b
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SSDEEP
12288:UkWkliZ4Hn1e8IE9OTMeJskm6C05FSxx/haBYqBywe1EFGoQqKUz:Q4HCE4IeTjCISxOBoEF9QqK
Malware Config
Extracted
Protocol: ftp- Host:
ftp.dorasanat.com.tr - Port:
21 - Username:
[email protected] - Password:
C#%0f9T4MMEt
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.dorasanat.com.tr - Port:
21 - Username:
[email protected] - Password:
C#%0f9T4MMEt
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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.
pid Process 4852 powershell.exe -
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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation U5jfeIGqS6smMA3.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 30 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5828 set thread context of 4876 5828 U5jfeIGqS6smMA3.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language U5jfeIGqS6smMA3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language U5jfeIGqS6smMA3.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4876 U5jfeIGqS6smMA3.exe 4876 U5jfeIGqS6smMA3.exe 4852 powershell.exe 4852 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4876 U5jfeIGqS6smMA3.exe Token: SeDebugPrivilege 4852 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 5828 wrote to memory of 4852 5828 U5jfeIGqS6smMA3.exe 96 PID 5828 wrote to memory of 4852 5828 U5jfeIGqS6smMA3.exe 96 PID 5828 wrote to memory of 4852 5828 U5jfeIGqS6smMA3.exe 96 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98 PID 5828 wrote to memory of 4876 5828 U5jfeIGqS6smMA3.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\U5jfeIGqS6smMA3.exe"C:\Users\Admin\AppData\Local\Temp\U5jfeIGqS6smMA3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5828 -
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\U5jfeIGqS6smMA3.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4852
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C:\Users\Admin\AppData\Local\Temp\U5jfeIGqS6smMA3.exe"C:\Users\Admin\AppData\Local\Temp\U5jfeIGqS6smMA3.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4876
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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