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
19-12-2023 17:21
General
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Target
68d35e54dfeed830ec119b78f61af992.exe
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Size
4.3MB
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MD5
68d35e54dfeed830ec119b78f61af992
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SHA1
49baa8c0081ae25e05fa9f6d27f4e84c4773a77a
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SHA256
f0a1ec7d501bcdb83c63b84d3ec1fd7ffb90e78a31ffeda9182c34e1d7eee543
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SHA512
c7e41b7095c47b23a380cbb9da3d2513102f2081cb4a1ae5d87aba5866005286f90f01d04ad1ca8986a743623c72aa87378c06c505057c5bbf77ba0549977d8c
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SSDEEP
98304:a7YLLWh9a/w4MeWSuoQyK5G+SwSXJezFasO8lBJ3FRsFR:a7YWhsIrSuuIG+EZE/lBJ3O
Malware Config
Extracted
44caliber
https://discordapp.com/api/webhooks/893128410019278858/tGGLgbbsDNDE6jU3LWQhmeL1LvsML2n__m8nmjbo9A045JghDyW6wHwGbWb3FIuxh5Fb
Signatures
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44Caliber
An open source infostealer written in C#.
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BlackGuard
Infostealer first seen in Late 2021.
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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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer 3 IoCs
Detects Themida, an advanced Windows software protection system.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\68d35e54dfeed830ec119b78f61af992.exe"C:\Users\Admin\AppData\Local\Temp\68d35e54dfeed830ec119b78f61af992.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11.9MB
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Filesize
1.1MB
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Filesize
284KB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
8KB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
6.9MB
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Filesize
11.9MB
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Filesize
11.9MB
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Filesize
256KB
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Filesize
1.1MB
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Filesize
284KB
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Filesize
11.9MB
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Filesize
6.9MB