Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 13:05
Static task
static1
Behavioral task
behavioral1
Sample
PCA9626B,118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
PCA9626B,118.exe
Resource
win10v2004-20240802-en
General
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Target
PCA9626B,118.exe
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Size
866KB
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MD5
cb9e1d1bbe47f48fc4e5160f7ad601da
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SHA1
1ff552e59a6d88d7600130113f88a75e4f88c8cc
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SHA256
77529cc504690e79a72680d72b42be8f021f5b2799fbce50bed59637dc4aa5b2
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SHA512
cdda2bc4607929f0a89566ac5dc0234e8140e0698a467922434724d50d76c9436ff7bfc141f2f469efeb85bbe239a487412fd059c5d44129473f70176adb8286
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SSDEEP
24576:uHf2Uol0ge2X7EXMuYcXrcMt/nzzGcXNyIEikE:uHfql0IL6MuYcXL/zzGcX7w
Malware Config
Extracted
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01
Extracted
agenttesla
Protocol: smtp- Host:
mail.medicalhome.com.pe - Port:
587 - Username:
[email protected] - Password:
MHinfo01 - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe" PCA9626B,118.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.
flow ioc 14 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2424 set thread context of 1544 2424 PCA9626B,118.exe 92 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 PCA9626B,118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PCA9626B,118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2424 PCA9626B,118.exe 2424 PCA9626B,118.exe 1544 PCA9626B,118.exe 1544 PCA9626B,118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2424 PCA9626B,118.exe Token: SeDebugPrivilege 1544 PCA9626B,118.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2424 wrote to memory of 3296 2424 PCA9626B,118.exe 91 PID 2424 wrote to memory of 3296 2424 PCA9626B,118.exe 91 PID 2424 wrote to memory of 3296 2424 PCA9626B,118.exe 91 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92 PID 2424 wrote to memory of 1544 2424 PCA9626B,118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"2⤵PID:3296
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C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"C:\Users\Admin\AppData\Local\Temp\PCA9626B,118.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1544
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3