c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
146s
max time network
150s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SOUND240.wav
Size

14KB
MD5

77dcc5c9f89d5b0732aa336d8d17ee93
SHA1

2771fbbb49ee9ded5d4c4fc60552a85732e7c08a
SHA256

9f23780634d86c4e5d4fa24a369c1ad674112a55013c705a540350f3b70d36f9
SHA512

77dae67cbe067ad969f73349809fa6ce32bece49108f3c43d1945ba02b1130ce04dde4c7145bcf02d398eefd9c92f8e09878d3d411bcac27638c77123c09a101
SSDEEP

384:xYvd21rFWQgeyW1CSmDyUVCFajSVjCxLw8MO4bl:xYvd21rFWQgeq1DyUVxuMLCvbl

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2688	unregmp2.exe
Token: SeCreatePagefilePrivilege	2688	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 980	1312	wmplayer.exe	79
PID 1312 wrote to memory of 980	1312	wmplayer.exe	79
PID 1312 wrote to memory of 980	1312	wmplayer.exe	79
PID 1312 wrote to memory of 3960	1312	wmplayer.exe	80
PID 1312 wrote to memory of 3960	1312	wmplayer.exe	80
PID 1312 wrote to memory of 3960	1312	wmplayer.exe	80
PID 3960 wrote to memory of 2688	3960	unregmp2.exe	81
PID 3960 wrote to memory of 2688	3960	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\SOUND240.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- 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\SOUND240.wav"
  2⤵
  PID:980
- 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:2688

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
64KB

MD5
19d78b1eae63fd95e33c36ae0cad7aa8

SHA1
52bbbd1abf5e05fd11b19462a54685e7ccfc2d4b

SHA256
50c2e86388d63a5a5a2052f9866083e8784c3eed266f9b947b4f5772e5fbcf80

SHA512
34d6dd06fc41e2a3bf026cc58e461cf12064eab6969225d118b786aaacfabaac8bd7cbc6c26ad2c985faa04f0a07a4134119d4780c9189ded6db3d0fe9b59454

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
eadf37f8d1e37363f3683f2a866e62e5

SHA1
7f3ff4ff4dca40d7a3705e81b350d271827fd390

SHA256
d2f6460a376a97e41b9853b5e5829885345a2377f334d3a9a254240e08248b67

SHA512
03f74312e813b1110bf5a1adc8acc3af021f429283916a5dcb9ecc0427aef79a11bc5d2a8e3e07fa74c653f803d1cb503ba8ba2f05f1dc62ebe4faccbcae79cc

Download Submit