8713e64a59746d70f5f8b36599d66dfa73d891b19d8a4211c610709ad167de0b

Analysis

max time kernel
1482s
max time network
1494s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
04/07/2024, 18:42

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General

Target

ChompZap.mp4
Size

98KB
MD5

8c217b674a8b8e9e9748ec27557c83b5
SHA1

1da84c39e92709173591c78272a48f26a517d757
SHA256

8713e64a59746d70f5f8b36599d66dfa73d891b19d8a4211c610709ad167de0b
SHA512

d9ad244a2289e1802f500b371842981b49ffed7873db5b0af2f534bc9c3b2b160dafb69b7de83698c401580dccf6f1d9d01ecaa42467c0fb8cfafa63552f54ec
SSDEEP

1536:PGlMqbTa3pU5xEoKhu1ad/XeafzA+Z8g9TufVdGmDtONy6wBOxLYe:4buOMoKoKXvb8g9TkVfsIBG

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1864	unregmp2.exe
Token: SeCreatePagefilePrivilege	1864	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 3960	4608	wmplayer.exe	80
PID 4608 wrote to memory of 3960	4608	wmplayer.exe	80
PID 4608 wrote to memory of 3960	4608	wmplayer.exe	80
PID 4608 wrote to memory of 2460	4608	wmplayer.exe	81
PID 4608 wrote to memory of 2460	4608	wmplayer.exe	81
PID 4608 wrote to memory of 2460	4608	wmplayer.exe	81
PID 2460 wrote to memory of 1864	2460	unregmp2.exe	82
PID 2460 wrote to memory of 1864	2460	unregmp2.exe	82

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\ChompZap.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:4608
- 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\ChompZap.mp4"
  2⤵
  PID:3960
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1864

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
384KB

MD5
73c977ca318631b8c4d95e28c39bb5d0

SHA1
80584b42372b68106dcb7129b9170f2812c9aa19

SHA256
c7acd1ea7e5a018d5d820d4948fa89512a6b65c68c6973b3104dab53ce5a1c93

SHA512
8733c4714898be64d59d3526385c36dd7a2f8463a572c217cebd75e6c3dda1a75e6bec006ec25e46a1b2aad45c38c469b27b87e1464efaa81517f4a3c151d800

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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
129cb6b11fe7ad8ecd3f8a51b0d7bf5a

SHA1
2f689f812ae49604f4ff798d5405517f5a0235b5

SHA256
6eb60d54df15544cdf39e582b931ff171d0e49f7fd19df5a8b4e4fe66bef4c7e

SHA512
b0ade7c7a5a0aa6a004b046d7462cf979842d3b8610cdbfdd61ac6aea82b9e0c23af2ad340cde4d6d4fcfd2ccbcb51aa12664ac934cc1e5fcd0b2fa0c96dae09

Download Submit