08ed3b69d0889e5b2cb54a2a1fb81a880c22931b05df8cfb71367905fc73607d

max time kernel
449s
max time network
1177s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
12/05/2024, 02:04

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General

Target
screen-20240511-181029.mp4
Size 12.8MB
Sample240512-chk3vsed49
SHA256 08ed3b69d0889e5b2cb54a2a1fb81a880c22931b05df8cfb71367905fc73607d
MD5 8e479d8106be86a73f25c99ca4b8146f
SHA1 ecb2595bd8a69438c094d3d7abfe91e9a68965a8
SHA512 3cbe45aebe435c9201b8f7918c2f95fde6c40fce642f2eb165f582ef9068a109aea7f2c1cf7d0b432b700a3858458f25897e84ae344e09e046e28c165d503124
SSDEEP 196608:d9lefzSHXZLvaUGZbDpKLQNEd4AahmdcnTKJqORRWitUtZhWM:darStvahblKLQo/ldcTdORRWuUX
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5100	unregmp2.exe
Token: SeCreatePagefilePrivilege	5100	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2152	2624	wmplayer.exe	81
PID 2624 wrote to memory of 2152	2624	wmplayer.exe	81
PID 2624 wrote to memory of 2152	2624	wmplayer.exe	81
PID 2624 wrote to memory of 756	2624	wmplayer.exe	82
PID 2624 wrote to memory of 756	2624	wmplayer.exe	82
PID 2624 wrote to memory of 756	2624	wmplayer.exe	82
PID 756 wrote to memory of 5100	756	unregmp2.exe	83
PID 756 wrote to memory of 5100	756	unregmp2.exe	83

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\screen-20240511-181029.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:2624
- 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\screen-20240511-181029.mp4"
  2⤵
  PID:2152
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 256KB
SHA256 eb897bf202d32f067728f1b666eb16e9926557efa8676b72db11411013030184
MD5 563088ad0f20fabf9dd62c6ba8ae1636
SHA1 f9cd2fd153afa1a12ff990cf27c32b8c9c44e878
SHA512 8229dfb1d96b6a34b91b1e5c463833e7859331be880f585c48af1ba0ace0465ac755c7f22a9e6f30284266165f850e8f85af76157eea8136b2d6f79db02d3092
SSDEEP 768:v7KGVp3zT13VuI61HOdrrA9abhr1vfEwPRzitFrz:59
MD5 SHA1 SHA512 SSDEEP

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WMSDKNS.XML

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
Size 9KB
SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
MD5 7050d5ae8acfbe560fa11073fef8185d
SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
MD5 SHA1 SHA512 SSDEEP

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wmsetup.log

Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
Size 1KB
SHA256 0127ea1c585ca59721a41c1c7f2d49374907da506415b6aa3c917b1820d185a5
MD5 76b6fad57eeeaaa049955edecc7afd46
SHA1 b7c70c57db7b2898abd6d06229ca2aa36444b73d
SHA512 ae842e73eba57e65553a487b7387d4ec93cf2f68a11b14e961d858eb8007fbc14f9590fff9f78505af1ffe0555f0ac4696d456c627cde66cecfdad59f8e9daa3
MD5 SHA1 SHA512

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads