Analysis
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max time kernel
456s -
max time network
1177s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system -
submitted
25-02-2024 23:20
Static task
static1
Behavioral task
behavioral1
Sample
crashed_by_vohr.mp3
Resource
win10v2004-20240221-en
General
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Target
crashed_by_vohr.mp3
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Size
9.3MB
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MD5
0d813790b342f04e991a7f07487d39c7
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SHA1
b3b73c636113390813ed338e83530120b5d0b9cd
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SHA256
ad15869dd2adda745da583f9c1038ffdb127d7a2bab682b82c9858fd64c32301
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SHA512
49b666e7dbed2903a544e04a2a1499537293fb09410d6391fd0f4b9d421880211930988e6aaaa5a99f2ccfd13cd8f7c6237270b34a7dd4fffe33bc13c252cc6c
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SSDEEP
196608:OHK+1paMFx7zrfwVsZ1ZfjqkKIdPhvy/dxP:5+14MFx7HfhXfxdTKHP
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\H: unregmp2.exe File opened (read-only) \??\T: unregmp2.exe File opened (read-only) \??\Y: unregmp2.exe File opened (read-only) \??\K: unregmp2.exe File opened (read-only) \??\N: unregmp2.exe File opened (read-only) \??\P: unregmp2.exe File opened (read-only) \??\Z: unregmp2.exe File opened (read-only) \??\B: unregmp2.exe File opened (read-only) \??\E: unregmp2.exe File opened (read-only) \??\I: unregmp2.exe File opened (read-only) \??\J: unregmp2.exe File opened (read-only) \??\M: unregmp2.exe File opened (read-only) \??\R: unregmp2.exe File opened (read-only) \??\S: unregmp2.exe File opened (read-only) \??\U: unregmp2.exe File opened (read-only) \??\V: unregmp2.exe File opened (read-only) \??\A: unregmp2.exe File opened (read-only) \??\G: unregmp2.exe File opened (read-only) \??\L: unregmp2.exe File opened (read-only) \??\O: unregmp2.exe File opened (read-only) \??\Q: unregmp2.exe File opened (read-only) \??\W: unregmp2.exe File opened (read-only) \??\X: unregmp2.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3408 unregmp2.exe Token: SeCreatePagefilePrivilege 3408 unregmp2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1132 wrote to memory of 3736 1132 wmplayer.exe 86 PID 1132 wrote to memory of 3736 1132 wmplayer.exe 86 PID 1132 wrote to memory of 3736 1132 wmplayer.exe 86 PID 1132 wrote to memory of 2716 1132 wmplayer.exe 87 PID 1132 wrote to memory of 2716 1132 wmplayer.exe 87 PID 1132 wrote to memory of 2716 1132 wmplayer.exe 87 PID 2716 wrote to memory of 3408 2716 unregmp2.exe 89 PID 2716 wrote to memory of 3408 2716 unregmp2.exe 89
Processes
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\crashed_by_vohr.mp3"1⤵
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Program Files (x86)\Windows Media Player\setup_wm.exe"C:\Program Files (x86)\Windows Media Player\setup_wm.exe" /RunOnce:"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\crashed_by_vohr.mp3"2⤵PID:3736
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C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon2⤵
- Suspicious use of WriteProcessMemory
PID:2716 -
C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:3408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5987a07b978cfe12e4ce45e513ef86619
SHA122eec9a9b2e83ad33bedc59e3205f86590b7d40c
SHA256f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8
SHA51239b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa
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Filesize
9KB
MD57050d5ae8acfbe560fa11073fef8185d
SHA15bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA256cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
SHA512a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
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Filesize
1KB
MD5a20a490b10b140c3aafe92d29dadf43d
SHA11af47a90ee4dad2f65a0d14f0e0496bdaed26f97
SHA25665b2ba1030eddd7228db161c0528849a9c8187125fe95a981f22260bfa7e80e5
SHA5127fda0abf63406147529c63c46f6b6b2f772864fc2ebd32c678d9fca236a3f473864800103c2fb67790c006cd2eacff4ab2ce3751f4c9480e355d97e8f4812efb