Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 19:00
Static task
static1
Behavioral task
behavioral1
Sample
16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe
Resource
win10v2004-20240419-en
General
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Target
16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe
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Size
57KB
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MD5
56080e25438a85d7240fc2ee1db5105c
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SHA1
17ac3da26bed29f8f7f430f9c7b8c32376bf01d7
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SHA256
16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f
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SHA512
83efb51a0f04fadfb0323d3e6c57eb0e1a3fdea232fcb2f26f8e9a10217a4dd92637c27364d7e4a48a077e1213d552e748460528eca537855c0e694d9c2352d4
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SSDEEP
768:zTAiYUVaQDKVRRZgqq6UFFAKcls0ceVA1JYN2BDMSdzlQcjw:HAqamKVO6s0hVA1JH1MSdJQcjw
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation 16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation fcbnaf.exe -
Executes dropped EXE 1 IoCs
pid Process 4840 fcbnaf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1268 wrote to memory of 4840 1268 16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe 84 PID 1268 wrote to memory of 4840 1268 16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe 84 PID 1268 wrote to memory of 4840 1268 16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe"C:\Users\Admin\AppData\Local\Temp\16fe49982591614d9958d588826680eb10c9f49fd3a6ab314a01f0ea07cc7f5f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe"C:\Users\Admin\AppData\Local\Temp\fcbnaf.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:4840
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
57KB
MD59f246280444222b8ecd425997a9dc613
SHA175089be8983782c57d30ec1a93d0af80ff0019c2
SHA2561818934e384adc14c5dcb04e0acfb52be759ece6c10c2c00bfb906042803e9bd
SHA512def374142633a3ddaceda585f060d98e64d2e47954ab84222b609cb79bb77d1a120a0dda5562da2f6b09263ed6cf18754ab7187dadf263584904078451b4ece5