c4cfd17ba139e2e94928623246b1de5c318c3a75e8976ff91f802ce2f5d6c458

Analysis

max time kernel
1481s
max time network
1507s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
19-02-2024 19:35

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General

Target

VID_20231116_110014.mp4
Size

5.6MB
MD5

c41babf4577dcf03146d73a76e8bb210
SHA1

e9c156b5f09754dfea681cc3f519b4e61a76166e
SHA256

c4cfd17ba139e2e94928623246b1de5c318c3a75e8976ff91f802ce2f5d6c458
SHA512

2a6091730837d4d30866002160d1efe13074b0b4e4999103245b3cc692ecd03f8ad0ccbeea07c5253256de198dff1d343c4fff9088eed9f22b6c152176129134
SSDEEP

98304:Tndjbim/yRWOPfBhypa8k6o1vVedA7Cy84w+YZC7AxI+BeWxlDgLIM/:bFbim/yRW6Wa8oemCr+YI78I+xUIy

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3660	unregmp2.exe
Token: SeCreatePagefilePrivilege	3660	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3528 wrote to memory of 2424	3528	wmplayer.exe	79
PID 3528 wrote to memory of 2424	3528	wmplayer.exe	79
PID 3528 wrote to memory of 2424	3528	wmplayer.exe	79
PID 3528 wrote to memory of 2744	3528	wmplayer.exe	80
PID 3528 wrote to memory of 2744	3528	wmplayer.exe	80
PID 3528 wrote to memory of 2744	3528	wmplayer.exe	80
PID 2744 wrote to memory of 3660	2744	unregmp2.exe	81
PID 2744 wrote to memory of 3660	2744	unregmp2.exe	81

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\VID_20231116_110014.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:3528
- 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\VID_20231116_110014.mp4"
  2⤵
  PID:2424
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3660

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
64KB

MD5
066f6e5acfff197d12b550ef7d452d41

SHA1
aaa8cfa5a56519594490d069f31a42a15ca515a2

SHA256
cac3a8354c7766b4ce0900bf4d8097bf372ec405a6af4bba63a6d92132932a30

SHA512
21c3985bdc883b7c0fcdfb660a577eb03870943d9e812a24726158b6c06cc36b00425fdeafddcb099fddd1488173280563f7241c9589e69d04d1eb1b5daa786b

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C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
e805a1d637fdb763b6ace81b66445f90

SHA1
995227d48325c56ecc1d4d304ac27803f096add7

SHA256
5d4ed085a3cef7deb1821cff9566f783d22a186e50bf0ac1741cde3c5920ec1e

SHA512
cb7688af693dd2f8618d2c6b381d95e6d83a62b1168bc16c2f1d2df555a113bfff880cbf15b0d2ac96670f7a3dad353e5a0e76713f98ac204c8bc883b54fd84a

Download Submit