Analysis
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max time kernel
125s -
max time network
51s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
03-12-2023 02:24
Static task
static1
Behavioral task
behavioral1
Sample
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe
Resource
win10v2004-20231130-en
General
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Target
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe
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Size
697KB
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MD5
d7e980df2f5d33b2034053d5b61dd93d
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SHA1
2c4a4e7024a01d6647eb7714c6a70ba8bc327914
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SHA256
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8
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SHA512
29b4c6b3d38ae48fac2e98d4ad5daad42b242253b250136795b5c8aa4f74b27e42587173eabe4ed55457edf62ccf390f41f8bb7d45f5c3bce7bc14f6700713b4
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SSDEEP
12288:Sbw1E6jD/89U2w2xzzmkl8cCKV0jOmZ8iuXcs+PIopox/f:aw1tD/QUp2xvmHcCw0j9KcpQe
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
server273.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
u+02zTxG@m]H - 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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-433534792-1200107535-3148087551-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe" 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.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 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exedescription pid process target process PID 3060 set thread context of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exepid process 2944 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 2944 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exedescription pid process Token: SeDebugPrivilege 2944 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exedescription pid process target process PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe PID 3060 wrote to memory of 2944 3060 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe 3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe"C:\Users\Admin\AppData\Local\Temp\3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Users\Admin\AppData\Local\Temp\3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe"C:\Users\Admin\AppData\Local\Temp\3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3de379139a1c147a730638552851518562431ee09254ac2c50961fb1a8ee70b8.exe.log
Filesize1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3