General
- Target RFI155001002.exe
- Size 30KB
- Sample221031-mty4zaaff5
- SHA256 f1eb46659645f95cf7b90059247cac5cd905e63a9c8852bb92380e8c7be4fdf2
- MD5 09ad87dc77262d542f1ff10db6761781
- SHA1 130dd74da073ea7a5c86ab8148bc8f6f98b3d90f
- SHA512 e66900e942541f11e8691bac696effe48537f3933fc2dd03d589e2a7244523bfd07d3cec44b1e487cd6a0cd7b70101e06a86f1eded3f9dd7f5efc1f1f3a13ec4
- SSDEEP 384:E0EWlmMH2NL0ag2CcuvJTvOaFGsZHcoAXaQc4iuJtptYcFmVc03K:dSFluBTvOOKhKQc8JftYcFmVc6K
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
RFI155001002.exe
Resource
win7-20220812-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
RFI155001002.exe
Resource
win10v2004-20220812-en
19 signatures
150 seconds
Malware Config
Extracted
Family
-
agenttesla
C2
-
http://107.189.4.253/b22/inc/7097e0820fdf5c.php
Extracted
Family
-
quasar
Version
-
1.3.0.0
Botnet
-
Nov
C2
-
37.139.128.94:5000
Mutex
-
QSR_MUTEX_eZnYtXesrHquJP9u21
Attributes
-
encryption_key
cnjVAVdqAEtq3rq2N0WD
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Targets
-
- Target RFI155001002.exe
- Size 30KB
- SHA256 f1eb46659645f95cf7b90059247cac5cd905e63a9c8852bb92380e8c7be4fdf2
- MD5 09ad87dc77262d542f1ff10db6761781
- SHA1 130dd74da073ea7a5c86ab8148bc8f6f98b3d90f
- SHA512 e66900e942541f11e8691bac696effe48537f3933fc2dd03d589e2a7244523bfd07d3cec44b1e487cd6a0cd7b70101e06a86f1eded3f9dd7f5efc1f1f3a13ec4
- SSDEEP 384:E0EWlmMH2NL0ag2CcuvJTvOaFGsZHcoAXaQc4iuJtptYcFmVc03K:dSFluBTvOOKhKQc8JftYcFmVc6K
- MD5 SHA1 SHA512 SSDEEP
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Quasar payload
-
Executes dropped EXE
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Loads dropped DLL
-
Accesses Microsoft Outlook profiles
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of SetThreadContext