General
- Target QQ_Installer.exe
- Size 81KB
- Sample260628-skvm3shy3t
- SHA256 536a20ad2c2de578288f060adba7ce718ca8b4ad3e9111e6e461dd482bd34cc8
- MD5 8871665f04a761afb82cd425a9419130
- SHA1 1db264fab7a33a9962423109aa9fdcf1688eee74
- SHA512 1a130d6a10cb9c90ec95b215f811d237c876fe2655ea309f2ee666bb471852914f2e81051bba9453f99ea85b0553bcd60281abbe388cdc942c1b1f501077df85
- SSDEEP 1536:bJidJGIMM7O6w0R6SczlouKAJRbbzG/IQOZs70YXohq6F:eJGIp7fw78AJxszOZa0YXohf
- TLSH T19B83BD56B28100E9E021803583A3EB32D16ABC3557329BDF53D6BE977D731E0A93CA16
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
QQ_Installer.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
QQ_Installer.exe
Resource
win11ltsc2024-20260617-en
9 signatures
150 seconds
Malware Config
Extracted
Family
-
cobaltstrike
C2
-
http://103.146.231.107:80/DFne
Attributes
-
user_agent
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; QQDownload 733; .NET CLR 2.0.50727)
Targets
-
- Target QQ_Installer.exe
- Size 81KB
- SHA256 536a20ad2c2de578288f060adba7ce718ca8b4ad3e9111e6e461dd482bd34cc8
- MD5 8871665f04a761afb82cd425a9419130
- SHA1 1db264fab7a33a9962423109aa9fdcf1688eee74
- SHA512 1a130d6a10cb9c90ec95b215f811d237c876fe2655ea309f2ee666bb471852914f2e81051bba9453f99ea85b0553bcd60281abbe388cdc942c1b1f501077df85
- SSDEEP 1536:bJidJGIMM7O6w0R6SczlouKAJRbbzG/IQOZs70YXohq6F:eJGIp7fw78AJxszOZa0YXohf
- TLSH T19B83BD56B28100E9E021803583A3EB32D16ABC3557329BDF53D6BE977D731E0A93CA16
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10Family: Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
Downloads MZ/PE file
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory