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Analysis
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max time kernel
63s -
max time network
28s -
platform
windows7_x64 -
resource
win7 -
submitted
07/07/2020, 13:53
Static task
static1
Behavioral task
behavioral1
Sample
princex.exe
Resource
win7
Behavioral task
behavioral2
Sample
princex.exe
Resource
win10
General
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Target
princex.exe
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Size
783KB
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MD5
517c56fca7092cb0e10c7daf8f67d192
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SHA1
f2ff50c1fbe9f62f28bfed6be2ae11a4ff6d4ea2
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SHA256
ead74c9cce8a3bc5dec5f0bc9f860f90fcd6791cdacce3ecd59e3e96ac0035c9
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SHA512
3fe9dd681b54be81fa3085a94247db01caeb4ac2a1b9dbf33167fce7ed23ab1d12b224e69b00f7dac86e90e494b692c42c0feef8c9de475e8853664dba347e97
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mangero.xyz - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/316-1-0x00000000004A3AB0-mapping.dmp family_agenttesla behavioral1/memory/316-3-0x0000000000400000-0x00000000004A5000-memory.dmp family_agenttesla behavioral1/memory/316-4-0x0000000000390000-0x00000000003DC000-memory.dmp family_agenttesla behavioral1/memory/316-6-0x0000000000220000-0x0000000000266000-memory.dmp family_agenttesla -
resource yara_rule behavioral1/memory/316-0-0x0000000000400000-0x00000000004A5000-memory.dmp upx behavioral1/memory/316-2-0x0000000000400000-0x00000000004A5000-memory.dmp upx behavioral1/memory/316-3-0x0000000000400000-0x00000000004A5000-memory.dmp upx -
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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\prince = "C:\\Users\\Admin\\AppData\\Local\\Temp\\prince\\prince.exe" princex.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1108 set thread context of 316 1108 princex.exe 24 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1108 princex.exe 316 princex.exe 316 princex.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1108 princex.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 316 princex.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1108 wrote to memory of 316 1108 princex.exe 24 PID 1108 wrote to memory of 316 1108 princex.exe 24 PID 1108 wrote to memory of 316 1108 princex.exe 24 PID 1108 wrote to memory of 316 1108 princex.exe 24
Processes
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C:\Users\Admin\AppData\Local\Temp\princex.exe"C:\Users\Admin\AppData\Local\Temp\princex.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\princex.exe"C:\Users\Admin\AppData\Local\Temp\princex.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:316
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