General
- Target SharpBuildv3.exe
- Size 4.2MB
- Sample260416-nwdfqagz31
- SHA256 ae6d66afae3d732dc96f2313764d08d33f9ef6bccbf22853dcc1f600ad0d2639
- MD5 84bafc96dad0d3cfe062684ba17c1bc6
- SHA1 dd460ee144ea629ce378d4fd66fae4a1b46a3b9e
- SHA512 7650623b8f00bf339c2f85a10adb89bb1730583c87157f2169ddfe8749b1c3be30b0c9bffdc078d6995d6a52295722488ad65f10c783f729554502a67c23a311
- SSDEEP 98304:wq2LHnLAAmr5AxZoA/lzjI8PWH6WoDtTSa2Z1WsrpQwoZwZvskZ:uM5Sz/xZt01NpXR7Z
- TLSH T1A126338E845A7719F70FA1F231221DEC556BC734529C8BE5F628A08D52D0CBE1D42EBB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
SharpBuildv3.exe
Resource
win10v2004-20260130-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
SharpBuildv3.exe
Resource
win11-20260130-en
13 signatures
150 seconds
Malware Config
Extracted
Family
-
sharpstealer
C2
-
https://api.telegram.org/bot7166304392:AAEkUKcPSw2g7iHxllKwDOpDrAdI6IwS0P4/sendMessage?chat_id=1203483078
Attributes
-
proxy_port
168.235.103.57:3128
-
vime_world
false
Targets
-
- Target SharpBuildv3.exe
- Size 4.2MB
- SHA256 ae6d66afae3d732dc96f2313764d08d33f9ef6bccbf22853dcc1f600ad0d2639
- MD5 84bafc96dad0d3cfe062684ba17c1bc6
- SHA1 dd460ee144ea629ce378d4fd66fae4a1b46a3b9e
- SHA512 7650623b8f00bf339c2f85a10adb89bb1730583c87157f2169ddfe8749b1c3be30b0c9bffdc078d6995d6a52295722488ad65f10c783f729554502a67c23a311
- SSDEEP 98304:wq2LHnLAAmr5AxZoA/lzjI8PWH6WoDtTSa2Z1WsrpQwoZwZvskZ:uM5Sz/xZt01NpXR7Z
- TLSH T1A126338E845A7719F70FA1F231221DEC556BC734529C8BE5F628A08D52D0CBE1D42EBB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Family: Sharp Stealer
Sharp Stealer is an infostealer first observed in 2024, based on Echelon and Umbral stealers.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Accesses cryptocurrency files/wallets, possible credential harvesting
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2