af430050f1a36ac9ac0c081d8dac85d706cc8841fb83c626e656111eea30ab94

Analysis

max time kernel
145s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 17:56

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General

Target

res/sounds/click.wav
Size

5KB
MD5

ddb36f9e2cf7dfb8c78f6ce6fe3245a2
SHA1

aa4f631333cc95925bce7f03a6c92264cf913a4c
SHA256

9499031a25cdcffa34593040bd53deb9075f66ce7ab1c752870d2e369ff2f3ef
SHA512

1a421133d7c938373a9107f993f0d7de6465e99db89048b3e40c1f0b11ae5c6f95540a159bd0111228979bf92f2cbab2a4c1fbd3cbb1dbec121b6d787b4db887
SSDEEP

96:bzFCuLGjCePWeYwZXRovPAanUp8qyfr0ccEG/IKITHVeeuW2u/pT6ZI7i36mk0O:bzFymsA2mPADmfjcjOh4uxcKA6x

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5048	unregmp2.exe
Token: SeCreatePagefilePrivilege	5048	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 3276	4120	wmplayer.exe	98
PID 4120 wrote to memory of 3276	4120	wmplayer.exe	98
PID 4120 wrote to memory of 3276	4120	wmplayer.exe	98
PID 4120 wrote to memory of 3960	4120	wmplayer.exe	99
PID 4120 wrote to memory of 3960	4120	wmplayer.exe	99
PID 4120 wrote to memory of 3960	4120	wmplayer.exe	99
PID 3960 wrote to memory of 5048	3960	unregmp2.exe	100
PID 3960 wrote to memory of 5048	3960	unregmp2.exe	100

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\res\sounds\click.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4120
- 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" /Open "C:\Users\Admin\AppData\Local\Temp\res\sounds\click.wav"
  2⤵
  PID:3276
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2368 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:4948

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
fc240c081ec382df4b74d591d7d37a45

SHA1
396e9d8accb2ff8b32e6c3957808cb87d23ad47c

SHA256
8cfeb277627a0fc9f2596c83dc37f9a3d8871293cd88dadd08f32098bf936038

SHA512
d8f83773c330b88b43f9ebc6220aa98368854e44a75b73a8575e7171f6c32e784d404e5a2e2e7787d3c71c0cfecdbb983631b639d9fee879b374d498d2ef0ab7

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

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
30b5d6ce0b7141313c63b61c03ac165b

SHA1
8bdf07ea1ccf3460153121e06acfa5791773bd19

SHA256
aa95583ec0ffc8e8a931f95767d3086d21ec7be1e3d29796ed4e4750b51c60d7

SHA512
67b8f40ee3dfaac2eb264fbc367c61cda27a322e8150fbddc906f0f0ecdfea4b44f90b97e95b1b69ee4ac30186ab05c23cce9f5dcf1f3aed2227542ed0a6d4c9

Download Submit