Analysis
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max time kernel
161s -
max time network
194s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
30-12-2023 10:25
General
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Target
15dbc954cd4f54abc55486ef11375fa6.exe
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Size
25.5MB
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MD5
15dbc954cd4f54abc55486ef11375fa6
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SHA1
c671fac7354974f482b9852dfbd4c9204782f317
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SHA256
1e71f322863511ac34ab0013f3740b1921a9756f4b326d2184a8f6159e61ccff
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SHA512
f4988c3fe2d18cff76dd869e65c60b06c9943f88c92f29807ff6e29044f3a166e7b3c582793e1c1a56bb3e98e6c51edc85458ef809825fd694f15fec3bcf46ba
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SSDEEP
786432:XLtc+xXgVxnovLYeLV1yhoyVOvgWWv7S4:5cUI49xHyQJ4
Malware Config
Extracted
44caliber
https://discord.com/api/webhooks/870377028749242408/bsw2VmRGeiAIilnd9vwqpCOLMZO_5v4RLwcEnrTBTCpbNpQmrUG6iRNERPAwaRZbpXqc
Signatures
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44Caliber
An open source infostealer 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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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 2 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\15dbc954cd4f54abc55486ef11375fa6.exe"C:\Users\Admin\AppData\Local\Temp\15dbc954cd4f54abc55486ef11375fa6.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
398B
MD52446dba851b8f7ebe7c3cb565cc0a491
SHA1a119926d203c0945cf95d3c6626225da78eda1d5
SHA2562858551c4b769c6b6a1df9ca06d36c788f81593a689514b6e8b9c9da2c318a85
SHA512e7f02e5b5b79711f4d18088d587898fc491457050365c80ea1a87cb224b6ce047757ba5f3b7ca01715ea2c158eb2746509e06366efb48724de076eec241b089a
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Filesize
9.9MB
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Filesize
432KB
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Filesize
67.0MB
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Filesize
4KB
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Filesize
67.0MB
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Filesize
4KB
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Filesize
1.7MB
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Filesize
9.9MB
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Filesize
1.7MB
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Filesize
4KB
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Filesize
432KB
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Filesize
512KB
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Filesize
432KB
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Filesize
4KB
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Filesize
432KB
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Filesize
1.7MB
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Filesize
9.9MB