c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
142s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30/04/2024, 07:34

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General

Target

SOUND111.wav
Size

890B
MD5

157aab8678758c6c14d6e2a642d67250
SHA1

08540944e8d475814991cc643cc97cd6f82665cc
SHA256

0fb48d73a1dd8070388f11410d8844eb570507f19d0c5d6108176664844f1cb2
SHA512

6a5486b31bcebdf3da640903270f1f2c4d557f0db8d2fd5b0564b0b076dffd1003a383d274709f79bca02588f70a5f3285841e6aab9240c06e9c7a1c0b56c11b

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)	\??\A:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\J:	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)	\??\B:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\H:	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)	\??\W:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\K:	unregmp2.exe
File opened (read-only)	\??\M:	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 3884 wrote to memory of 5012	3884	wmplayer.exe	79
PID 3884 wrote to memory of 5012	3884	wmplayer.exe	79
PID 3884 wrote to memory of 5012	3884	wmplayer.exe	79
PID 3884 wrote to memory of 2988	3884	wmplayer.exe	80
PID 3884 wrote to memory of 2988	3884	wmplayer.exe	80
PID 3884 wrote to memory of 2988	3884	wmplayer.exe	80
PID 2988 wrote to memory of 3660	2988	unregmp2.exe	81
PID 2988 wrote to memory of 3660	2988	unregmp2.exe	81

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\SOUND111.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3884
- 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\SOUND111.wav"
  2⤵
  PID:5012
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2988
- - 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
e89c0c6d37c3e0a96d23df093a32b78d

SHA1
3b87aeafb7be30cb8ac5fb319e50e88ff1733adb

SHA256
b57b82ecb11dd49649dfa22bb64587866102a5e6c119ad30524316c8f9066dcd

SHA512
8fbe7c53d9754772a4de0112096909e1b33b737c5503021129249c88bfe1676f04ce0039ae96d274596da71f8c2cd160480dec1eb558279aebc6931b81882891

Download Submit