General
- Target nyen2eabmfb.exe
- Size 1.3MB
- Sample240819-t13jasvbma
- SHA256 994d73477a5e2a22bf00a7898bc2b8ad784ec844bc27dbc43c3aa5576d3ec397
- MD5 7ce622cc13886a55bfce9bcc088c8dc6
- SHA1 6aa21ea3cbd05b2727c2f7cd5328532d617c0dd0
- SHA512 d824d400f0663b3c7ad2a81a4fc449b78d1a01e97517168245716d2b454c7fc4e1bbc09af56a9913462626184a5db0b6f65ce77f2d5eb1ed39c5ed3bb505efad
- SSDEEP 24576:fF6kcnUDuwg5tW2l8Ye01R7E/k3vy8OKtlm0PDwVOt3PAThh9qAM:0Lnw69lLeOhbq+GOt3PO5dM
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
nyen2eabmfb.exe
Resource
win10-20240404-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
nyen2eabmfb.exe
Resource
win7-20240729-en
15 signatures
150 seconds
Behavioral task
behavioral3
Sample
nyen2eabmfb.exe
Resource
win10v2004-20240802-en
15 signatures
150 seconds
Behavioral task
behavioral4
Sample
nyen2eabmfb.exe
Resource
win11-20240802-en
14 signatures
150 seconds
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/1274462328603148298/RG8TQ5NOTPK7lllW9DXds8Z7Vj68QWZX7Duc-LfDNeqa_HouSEGlNyNzsrVH6EfQxrh8
Targets
-
- Target nyen2eabmfb.exe
- Size 1.3MB
- SHA256 994d73477a5e2a22bf00a7898bc2b8ad784ec844bc27dbc43c3aa5576d3ec397
- MD5 7ce622cc13886a55bfce9bcc088c8dc6
- SHA1 6aa21ea3cbd05b2727c2f7cd5328532d617c0dd0
- SHA512 d824d400f0663b3c7ad2a81a4fc449b78d1a01e97517168245716d2b454c7fc4e1bbc09af56a9913462626184a5db0b6f65ce77f2d5eb1ed39c5ed3bb505efad
- SSDEEP 24576:fF6kcnUDuwg5tW2l8Ye01R7E/k3vy8OKtlm0PDwVOt3PAThh9qAM:0Lnw69lLeOhbq+GOt3PO5dM
- MD5 SHA1 SHA512 SSDEEP
-
Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
-
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.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v15
Tasks
static1
Score
3/10
behavioral1
44calibercredential_accessdiscoveryspywarestealer
Score
10/10
behavioral2
44calibercredential_accessdiscoveryspywarestealer
Score
10/10
behavioral3
44calibercredential_accessdiscoveryspywarestealer
Score
10/10
behavioral4
44calibercredential_accessdiscoveryspywarestealer
Score
10/10