2b4d86ab2e1b54b3420465f9de3421dddccdd7a49ad4e8fd073f8532e45db5ed

Analysis

max time kernel
129s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2023, 22:38

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General

Target

Chica Videos/intro.wmv
Size

7.9MB
MD5

55434588a678ba93b3564a513cbd7f45
SHA1

30f7a5ef4b210dcd7853093abd19dae6c8052f8a
SHA256

1e086d3d39dbaaa1432e121000699a05d48770339d95a440264a271f31576325
SHA512

d5137f2b8ad06f14493540b131a2a5af0ea9214a535aa420b2be86f13812110afa0e9b4a1a55e96123cf53f2f6b41f649f6f4810537b5e9a0d4ff3f3436ccc9d
SSDEEP

196608:dNRYDXTRFDDE4jL1QyQAJyJj3N2e4d+tav37rgNzEhUINTVqa+:dNeDRFDDE41QTAJmrNN4d+42EhU8TVz+

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3016	unregmp2.exe
Token: SeCreatePagefilePrivilege	3016	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1792	1448	wmplayer.exe	85
PID 1448 wrote to memory of 1792	1448	wmplayer.exe	85
PID 1448 wrote to memory of 1792	1448	wmplayer.exe	85
PID 1448 wrote to memory of 1876	1448	wmplayer.exe	86
PID 1448 wrote to memory of 1876	1448	wmplayer.exe	86
PID 1448 wrote to memory of 1876	1448	wmplayer.exe	86
PID 1876 wrote to memory of 3016	1876	unregmp2.exe	88
PID 1876 wrote to memory of 3016	1876	unregmp2.exe	88

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:7 /Open "C:\Users\Admin\AppData\Local\Temp\Chica Videos\intro.wmv"
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- 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:7 /Open "C:\Users\Admin\AppData\Local\Temp\Chica Videos\intro.wmv"
  2⤵
  PID:1792
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3016

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
fc240c081ec382df4b74d591d7d37a45

SHA1
396e9d8accb2ff8b32e6c3957808cb87d23ad47c

SHA256
8cfeb277627a0fc9f2596c83dc37f9a3d8871293cd88dadd08f32098bf936038

SHA512
d8f83773c330b88b43f9ebc6220aa98368854e44a75b73a8575e7171f6c32e784d404e5a2e2e7787d3c71c0cfecdbb983631b639d9fee879b374d498d2ef0ab7

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
0739621d123417c57244db9c44d2076b

SHA1
2d6c28f435a446056dbce0fc6a2a353999ebf340

SHA256
e0da119a82cbf38333b7f47389edc28590926b1b4e1d922418851a7aec886804

SHA512
3fe20796f0e89736a9dcc6be4efe068338548905096ed6ec2adc9529185ebef9933f30f513ab30f3ebe7303e5cab894b8582d1dae49dd16e70658796c1b63213

Download Submit