General
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Target
custom1.exe
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Size
24.9MB
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Sample
240309-lx3qwsef83
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MD5
4e1c29f0c1af62ddea916c6b80548c76
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SHA1
38d9f15356b6a65f4e76ee739867d55b01493793
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SHA256
13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882
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SHA512
f863e54437a36b53f91057f74bdbfcaed90c93256333afe978be5f7b73b417a74084d3a92afe4b6ceea96fd909997cf22b30612c43d6d0d27c64c0bba7db9c28
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SSDEEP
49152:lfRW10dDWeHzJhNF/CBpOqqUe00zCMe8KfFo:lfw1yaeHLNF/22UwCL8yF
Static task
static1
Behavioral task
behavioral1
Sample
custom1.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
custom1.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
icarusstealer
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payload_url
https://blackhatsec.org/add.jpg
https://blackhatsec.org/remove.jpg
Targets
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Target
custom1.exe
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Size
24.9MB
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MD5
4e1c29f0c1af62ddea916c6b80548c76
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SHA1
38d9f15356b6a65f4e76ee739867d55b01493793
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SHA256
13b863f0e32c4e25af5b2e323bddf6ea7f8fde1c3dc53bbc463d5a0e9c666882
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SHA512
f863e54437a36b53f91057f74bdbfcaed90c93256333afe978be5f7b73b417a74084d3a92afe4b6ceea96fd909997cf22b30612c43d6d0d27c64c0bba7db9c28
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SSDEEP
49152:lfRW10dDWeHzJhNF/CBpOqqUe00zCMe8KfFo:lfw1yaeHLNF/22UwCL8yF
Score10/10-
IcarusStealer
Icarus is a modular stealer written in C# First adverts in July 2022.
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Modifies Installed Components in the registry
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1