Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
15-02-2024 20:16
General
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Target
CheatCheck.exe
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Size
1.9MB
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MD5
f5180bd1bede58236ddd37276403c888
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SHA1
919b6b47635e81a1f0f2637f89902fc9563387cd
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SHA256
e00d8a4b001935fb2c6cbedf9300e364ed6bdfd29158e04dbdedb018c4a6878a
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SHA512
cebec5ea8762f1aaee9884a46d3cf7d7d138dfc25240f5da1216cdcfdc32d0f5f47b677674837b178735eec2794227c7af7a85352501e8387fa7e06c7d1a6244
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SSDEEP
49152:62YU+sjELQXoeysHa6/3pKJz6lRusCofRVg6PJuL68l:62JT5G6/pKocsC6geJuG
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1205950589855473715/yMBp6zJGAY_8GNy4KCuGaBheW78ZyPBH6wBshmsyIHWe3bpwN-cogn3qrbzWQQLDF5nC
Signatures
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Detect Umbral payload 3 IoCs
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Umbral
Umbral stealer is an opensource moduler stealer written in C#.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 41 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\CheatCheck.exe"C:\Users\Admin\AppData\Local\Temp\CheatCheck.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4.8MB
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Filesize
8KB
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Filesize
960KB
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Filesize
816KB
-
Filesize
296KB
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Filesize
36KB
-
Filesize
4.8MB
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Filesize
6.9MB
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Filesize
4.8MB
-
Filesize
92KB
-
Filesize
244KB
-
Filesize
44KB
-
Filesize
256KB
-
Filesize
328KB
-
Filesize
52KB
-
Filesize
352KB
-
Filesize
156KB
-
Filesize
4.8MB
-
Filesize
960KB
-
Filesize
1.1MB
-
Filesize
296KB
-
Filesize
92KB
-
Filesize
224KB
-
Filesize
4.8MB
-
Filesize
36KB
-
Filesize
816KB
-
Filesize
296KB
-
Filesize
92KB
-
Filesize
6.9MB
-
Filesize
92KB
-
Filesize
44KB
-
Filesize
328KB
-
Filesize
244KB
-
Filesize
352KB
-
Filesize
156KB
-
Filesize
52KB
-
Filesize
224KB
-
Filesize
960KB
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Filesize
1.1MB