Analysis
- max time kernel
114s - max time network
11s - platform
windows7_x64 - resource
win7v20210408 - submitted
28/06/2021, 05:21
Static task
static1
Behavioral task
behavioral1
Sample
WaybillDoc_3227610761.exe
Resource
win7v20210408
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
WaybillDoc_3227610761.exe
Resource
win10v20210410
0 signatures
0 seconds
General
- Target WaybillDoc_3227610761.exe
- Size 893KB
- Sample210628-axpr4211fa
- SHA256 125caafa4c7faba98d28351be9df1d207a983137e2d3e483504dc0fb5433ea94
- MD5 ea1c40b9188af0803b51d1a27f2abc3e
- SHA1 08fe2a2279ff996ca128037a7850c0d98713d1cb
- SHA512 859f0d5a77254a18da0a9ef7251100cbabbedb0e5a7c932f3e1e030ed94f7f6358c597be55d215e4d9966f2ae0a9efedd74f958464894d4f1031802a8945c750
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.prinutrition.com
-
Port
587
-
Username
-
Password
forrest
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/1240-66-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1240-67-0x000000000043748E-mapping.dmp family_agenttesla behavioral1/memory/1240-68-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\zUbDt = "C:\\Users\\Admin\\AppData\\Roaming\\zUbDt\\zUbDt.exe" WaybillDoc_3227610761.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 280 set thread context of 1240 280 WaybillDoc_3227610761.exe 29 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1240 WaybillDoc_3227610761.exe 1240 WaybillDoc_3227610761.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1240 WaybillDoc_3227610761.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29 PID 280 wrote to memory of 1240 280 WaybillDoc_3227610761.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\WaybillDoc_3227610761.exe"C:\Users\Admin\AppData\Local\Temp\WaybillDoc_3227610761.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:280 -
C:\Users\Admin\AppData\Local\Temp\WaybillDoc_3227610761.exe"C:\Users\Admin\AppData\Local\Temp\WaybillDoc_3227610761.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1240
-