Analysis
-
max time kernel
114s -
max time network
119s -
platform
windows7_x64 -
resource
win7 -
submitted
07/07/2020, 18:47
Static task
static1
Behavioral task
behavioral1
Sample
Planilla de Facturacion Mensual 2020.exe
Resource
win7
Behavioral task
behavioral2
Sample
Planilla de Facturacion Mensual 2020.exe
Resource
win10v200430
General
-
Target
Planilla de Facturacion Mensual 2020.exe
-
Size
832KB
-
MD5
fe8cf82b9b38593f689506026aedda9c
-
SHA1
e679a6837691782468b0ecb593247b6e3b897a0c
-
SHA256
8759dde700d0ea47fd29cad02f5d067431b7af49edbb7b409e5c25a22485ed3c
-
SHA512
d7a230c3a7aca9856b36f144e0eecb1a73be2c42b4890c41c76f8fb19ce2131addb98a6cdfff3d484e1c7a75a98ec220e636a431f8b2cf779bf391da74151835
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mehatinfo.com - Port:
587 - Username:
[email protected] - Password:
X6b{Z0&~hQ@Y
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1320-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1320-1-0x0000000000446D2E-mapping.dmp family_agenttesla behavioral1/memory/1320-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1320-3-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1072 set thread context of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1320 Planilla de Facturacion Mensual 2020.exe 1320 Planilla de Facturacion Mensual 2020.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1320 Planilla de Facturacion Mensual 2020.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24 PID 1072 wrote to memory of 1320 1072 Planilla de Facturacion Mensual 2020.exe 24
Processes
-
C:\Users\Admin\AppData\Local\Temp\Planilla de Facturacion Mensual 2020.exe"C:\Users\Admin\AppData\Local\Temp\Planilla de Facturacion Mensual 2020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Users\Admin\AppData\Local\Temp\Planilla de Facturacion Mensual 2020.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1320
-