ff4bd330610c28a3da19bc0cb5fb77e3970b18ad563721a8b4b06f42657f2f5d

Analysis

max time kernel
112s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2023, 23:21

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General

Target

8c3cdb618b0abcc819c9879773d231e5.mp4
Size

2.3MB
MD5

b44a8e7be11ab04077d05e276433209d
SHA1

27723d2c5a67a30e770c6a97ee3eefefe0518c3a
SHA256

ff4bd330610c28a3da19bc0cb5fb77e3970b18ad563721a8b4b06f42657f2f5d
SHA512

b3295d0b4167dd7e5bcc1e7b6a93867e8c7e0942f12bdde8573ad025d590f9a9b43b2f6279cd49194d5e7b4f7080528168cccb4e9b94e0715a19938422f4e46b
SSDEEP

49152:b2yneuPM8vBnNNWijrXM4dnv/lp13xMjv+ZfSP3FI9s:3PZaijA4dn860a9s

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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)	\??\K:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\P:	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)	\??\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)	\??\W:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\F:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1636	unregmp2.exe
Token: SeCreatePagefilePrivilege	1636	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 3428	1200	wmplayer.exe	84
PID 1200 wrote to memory of 3428	1200	wmplayer.exe	84
PID 1200 wrote to memory of 3428	1200	wmplayer.exe	84
PID 1200 wrote to memory of 1780	1200	wmplayer.exe	85
PID 1200 wrote to memory of 1780	1200	wmplayer.exe	85
PID 1200 wrote to memory of 1780	1200	wmplayer.exe	85
PID 1780 wrote to memory of 1636	1780	unregmp2.exe	86
PID 1780 wrote to memory of 1636	1780	unregmp2.exe	86

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\8c3cdb618b0abcc819c9879773d231e5.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- 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\8c3cdb618b0abcc819c9879773d231e5.mp4"
  2⤵
  PID:3428
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1636

Network

MITRE ATT&CK Enterprise v6

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
dbfc662304aa4236ac6c685fdd3ee597

SHA1
bee96b9256c93a35398a8c6a341da9470c6101c2

SHA256
dfd76fd8ae4d04c006729be160e7c23fe8e003e7094a54abf3a5aaee1a5c5590

SHA512
6730c50e8217e93d819b24a76af50ed9afeb34c73f32bcf65cca1bac139219c4897f7a43faa7a88909b32777420f47beb2a1ab23fad5886ef4da35226305c42b

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

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

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

Filesize
1KB

MD5
3dc9a40a03a9e26864ea69a3904b18a2

SHA1
61cd8321218f88d32941293038d4067d0ae76207

SHA256
e0cae13ab3deb04118ee67abc1b3855006863f05536354cb3e0e7781f6a2d53b

SHA512
6ca73d9344088fd49f4b2aadc790a2de0daaa8882f4cbb8cada40750d8b847c7c9dda8b1693afa159d66baded96bb9ab44069e0d4e0bd07ca23fefda1ce9f248

Download Submit