Analysis
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max time kernel
146s -
max time network
80s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
23-02-2023 13:16
Static task
static1
Behavioral task
behavioral1
Sample
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe
Resource
win10v2004-20230220-en
General
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Target
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe
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Size
22.4MB
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MD5
61fd84702d4f94cc3f109b1f9775d27b
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SHA1
6f4dab619a746f15d65f0092f0f8bf948fcc66dd
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SHA256
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af
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SHA512
2d67d9282fff90bd0d6824436a2a1cb73312dd22e6059bc5c6664968cfcd325bc11530a66c161f633f39a8ecc4d5a982e337c911798b9a87bd45461960d18fec
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SSDEEP
393216:BgfZYnBE6RjOlxT5oKYKzYR8GFo/kok1Bb2/6JbuCFF2/VZz8LlfhszMzhZlOwWJ:KZCG6NUxTjYwYR7o/PkXZJbi/HWlfhEp
Malware Config
Signatures
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Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\badatapr.dll aspack_v212_v242 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe -
Executes dropped EXE 1 IoCs
Processes:
BurnAware.exepid process 3096 BurnAware.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
BurnAware.exepid process 3096 BurnAware.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exedescription pid process target process PID 4164 wrote to memory of 1540 4164 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe PID 4164 wrote to memory of 1540 4164 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe PID 4164 wrote to memory of 1540 4164 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe PID 1540 wrote to memory of 3096 1540 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe BurnAware.exe PID 1540 wrote to memory of 3096 1540 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe BurnAware.exe PID 1540 wrote to memory of 3096 1540 3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe BurnAware.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe"C:\Users\Admin\AppData\Local\Temp\3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Users\Admin\AppData\Local\Temp\3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe"C:\Users\Admin\AppData\Local\Temp\3fe991c2d146252b0f3bcb904fee4cfe47a4f2153229bd4ac0a99922196493af.exe" -sfxwaitall:0 "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\BurnAware.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\BurnAware.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\BurnAware.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3096
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\BurnAware.exeFilesize
2.7MB
MD550cf896753ff6a274c4f7c15f8c5cc15
SHA1a85ddef5a14cf219efb4d0753b5a94a3a574c7d3
SHA25615b5678d92189473f93598365ab614e23c318a1645946bc268e30036c4e1e472
SHA512401edbdbc319919d7c2e593befab956510aa75ed419f71bb4bd9b16ad67777c097b6f1adbdf61d60bf98bfa9d8f2dc48dfdc59e2569cb90b2f181ca5d38d0e5d
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\BurnAware.exeFilesize
2.7MB
MD550cf896753ff6a274c4f7c15f8c5cc15
SHA1a85ddef5a14cf219efb4d0753b5a94a3a574c7d3
SHA25615b5678d92189473f93598365ab614e23c318a1645946bc268e30036c4e1e472
SHA512401edbdbc319919d7c2e593befab956510aa75ed419f71bb4bd9b16ad67777c097b6f1adbdf61d60bf98bfa9d8f2dc48dfdc59e2569cb90b2f181ca5d38d0e5d
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\badatapr.dllFilesize
541KB
MD5ec5fe604ed81b782d554ae61ccb64ba8
SHA138f82b4e4aa1951a221eee7d7649305c1950f6c3
SHA2563802f1d097c00397475c0d48f2646caf66eeebd92a8be59cb0774356cbdb8642
SHA5122055e095174b63c4dafb307fba4ddbc624270a69ecb19980df3d022d7b6196fc982a8750fcad33852198c25a640c38fe8b79f206dd653821c072234bc008faf0
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\BurnAware\chinese_simp.lngFilesize
25KB
MD5938e51a4fac3272e0a780f015ca29c36
SHA184aff3543453cc9d376901f97aac80484a1cd37a
SHA256feecdc4160c51753a8ec8f493d64c54c442051dd1adc9921a0ea63eac70c9575
SHA5126bd566c1a26c144ff020ea0e8bc5dcf70a784da2113108be3ec30a26ce1a82f8328cb990becb1a063893bfd842030ee024f04f312a378d376dccb4f7446d8862
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memory/3096-245-0x00000000008D0000-0x00000000008D1000-memory.dmpFilesize
4KB
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memory/3096-246-0x0000000000400000-0x00000000006DF000-memory.dmpFilesize
2.9MB