c95f37ac4a63b77b5a5a420ae603552cb71642c578488b784d10775f40be9d21

Analysis

max time kernel
147s
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

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General

Target

SOUND181.wav
Size

26KB
MD5

f3a12d83288def810f8950e5e444ccc8
SHA1

096a83495389f610f7b26b7e51ed87c69c292fbe
SHA256

26fec6a697974a63d7c61afb56a9f5fdbdb416e100e093d9c344c17f6299345e
SHA512

571d57c2ac756fcc45ff1f78259230bb124b3a56c140f266d27ebadbced9b4a447abd33482f5b669eb4a4edb7b4dff814596e6ddc7fa8e70890938db4031821c
SSDEEP

768:yT851Hzg6fXsxkLkaebR33pLX1KicB9YYyshsJtZdXdz6Pfl3WC:WIOxkWZyB9psJtZv6f

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2200	unregmp2.exe
Token: SeCreatePagefilePrivilege	2200	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4216	4792	wmplayer.exe	79
PID 4792 wrote to memory of 4216	4792	wmplayer.exe	79
PID 4792 wrote to memory of 4216	4792	wmplayer.exe	79
PID 4792 wrote to memory of 4088	4792	wmplayer.exe	80
PID 4792 wrote to memory of 4088	4792	wmplayer.exe	80
PID 4792 wrote to memory of 4088	4792	wmplayer.exe	80
PID 4088 wrote to memory of 2200	4088	unregmp2.exe	81
PID 4088 wrote to memory of 2200	4088	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\SOUND181.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4792
- 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\SOUND181.wav"
  2⤵
  PID:4216
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2200

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

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
4b8d25f695c55f6ebc9007f808343894

SHA1
a9175303f8a7d596354d94e450184ea727fd7226

SHA256
aa1eaabd34529c46e03a4c5e12ace8552e3bf4f8cae31fc81d492c5f68dc8fb7

SHA512
57dc5be2ea6df3321f26879de77fe3c1662848fe15f60855ce0f33cf8f55acc6c9e843e62faed990f4c59a497ac7da4a50ee8d6c350d6e12c593c1c82516eabc

Download Submit