General
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Target
Client-built.exe
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Size
3.1MB
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Sample
241222-ecd4gasnem
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MD5
06852863597eb1bd83b37bb3b41c98d5
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SHA1
d11647b959e42ea8d5faa39db64410e529935176
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SHA256
a46695be041bc840e85bfe04c10149437ebf8a756aa1a000e8cb27b99b88eb74
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SHA512
9cecea8664556ba436b6e8d6d1b5fdcd6bb72a86ab6d697f663fe6f215e4fe0bf3e4b893fa88a5495fdd814e4567348cd2c92564894f1d6914b54b9de8060c6c
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SSDEEP
49152:WvbI22SsaNYfdPBldt698dBcjHts9qBbR0LoGdYCTHHB72eh2NT:Wvk22SsaNYfdPBldt6+dBcjHtSqi
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
1.4.1
Office04
172.19.176.1:4782
5ff21f42-29bb-4f39-8330-d7b25899e244
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encryption_key
5FA29404115DC34E66E4C1BC971398B0B301D072
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Extracted
quasar
1.4.0
v15.4.1 | Venom
dofucks.com:12482
private115.duckdns.org:12482
adf10731-c83d-4166-9137-39d0b1e48856
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encryption_key
C84CB6134701741C5122A14FACDB67C8CFA9C0AB
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
3000
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startup_key
$sxr-seroxen
Extracted
asyncrat
5.0.5
Venom Clients
127.0.0.1:4449
Venom_RAT_HVNC_Mutex_Venom RAT_HVNC
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delay
1
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install
true
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install_file
ezez.exe
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install_folder
%AppData%
Targets
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Target
Client-built.exe
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Size
3.1MB
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MD5
06852863597eb1bd83b37bb3b41c98d5
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SHA1
d11647b959e42ea8d5faa39db64410e529935176
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SHA256
a46695be041bc840e85bfe04c10149437ebf8a756aa1a000e8cb27b99b88eb74
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SHA512
9cecea8664556ba436b6e8d6d1b5fdcd6bb72a86ab6d697f663fe6f215e4fe0bf3e4b893fa88a5495fdd814e4567348cd2c92564894f1d6914b54b9de8060c6c
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SSDEEP
49152:WvbI22SsaNYfdPBldt698dBcjHts9qBbR0LoGdYCTHHB72eh2NT:Wvk22SsaNYfdPBldt6+dBcjHtSqi
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Asyncrat family
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Hide Artifacts: Hidden Window
Windows that would typically be displayed when an application carries out an operation can be hidden.
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Defense Evasion
Hide Artifacts
2Hidden Files and Directories
1Hidden Window
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1