Analysis
- max time kernel
135s - max time network
144s - platform
windows10_x64 - resource
win10 - submitted
02/07/2020, 13:27
Static task
static1
Behavioral task
behavioral1
Sample
fde18aab2c55f5b7975f92b216e95b34.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
fde18aab2c55f5b7975f92b216e95b34.exe
Resource
win10
0 signatures
0 seconds
General
- Target fde18aab2c55f5b7975f92b216e95b34.exe
- Size 696KB
- Sample200702-4ttbfxwpwe
- SHA256 d2e5fdfd013a4fd426b9455889c8cf4f9102d1e7d68a3f739c4f88353f3778ff
- MD5 fde18aab2c55f5b7975f92b216e95b34
- SHA1 719ef88bb8a80593d8526aed783347dd4ddf4e35
- SHA512 9e0c232e4d80ebf97930d0ffed192469cf590749490392914651350d5d42fc058f42d6382dcde0ca0102d059830b24adef9ac61b06cbde4be035425d4f66e017
- MD5 SHA1 SHA512
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mangero.xyz
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mangero.xyz
-
Port
587
-
Username
-
Password
7213575aceACE@#$
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral2/memory/2296-1-0x00000000004A25D0-mapping.dmp family_agenttesla behavioral2/memory/2296-3-0x0000000000400000-0x00000000004A4000-memory.dmp family_agenttesla behavioral2/memory/2296-4-0x00000000021D0000-0x000000000221C000-memory.dmp family_agenttesla -
resource yara_rule behavioral2/memory/2296-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/2296-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/2296-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx - 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.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\arnold = "C:\\Users\\Admin\\AppData\\Local\\Temp\\arnold\\arnold.exe" fde18aab2c55f5b7975f92b216e95b34.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 792 set thread context of 2296 792 fde18aab2c55f5b7975f92b216e95b34.exe 66 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 792 fde18aab2c55f5b7975f92b216e95b34.exe 792 fde18aab2c55f5b7975f92b216e95b34.exe 2296 fde18aab2c55f5b7975f92b216e95b34.exe 2296 fde18aab2c55f5b7975f92b216e95b34.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 792 fde18aab2c55f5b7975f92b216e95b34.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2296 fde18aab2c55f5b7975f92b216e95b34.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 792 wrote to memory of 2296 792 fde18aab2c55f5b7975f92b216e95b34.exe 66 PID 792 wrote to memory of 2296 792 fde18aab2c55f5b7975f92b216e95b34.exe 66 PID 792 wrote to memory of 2296 792 fde18aab2c55f5b7975f92b216e95b34.exe 66
Processes
-
C:\Users\Admin\AppData\Local\Temp\fde18aab2c55f5b7975f92b216e95b34.exe"C:\Users\Admin\AppData\Local\Temp\fde18aab2c55f5b7975f92b216e95b34.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:792 -
C:\Users\Admin\AppData\Local\Temp\fde18aab2c55f5b7975f92b216e95b34.exe"C:\Users\Admin\AppData\Local\Temp\fde18aab2c55f5b7975f92b216e95b34.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2296
-