c148c4ae4e093b3653496766f69a01b2fff54fce595836e71373efc8e4ee6794

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-06-2023 18:41

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General

Target

sound5.wav
Size

21KB
MD5

5366c619d04e7661479450c2e8ce2601
SHA1

45ab4a5754e3ee59ca79ce6f3105e0cc4a4b4da3
SHA256

554ea70fab38bbcda2a77a7e9b58739ab0749fdd1b88071a0beae7d4e698bff8
SHA512

9fa779ea7755107ab4489e81f0563f631bf16359ffe8d396672988d993ac6747923dc5898e0ea927d05d977870a97a841d1c92506fb4a28a779d5c138fd4cbf7
SSDEEP

384:O2UuM22wXGXg+dIXKWlir4TG3tF+2pV4zh/a/fm97ubWCCIo+WNEIVvQA:0UIIXZw3m2P4zpa/OluqltxVvQA

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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

Processes:

unregmp2.exe

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

unregmp2.exe

description pid process

Token: SeShutdownPrivilege 2784 unregmp2.exe
Token: SeCreatePagefilePrivilege 2784 unregmp2.exe

description	pid	process
Token: SeShutdownPrivilege	2784	unregmp2.exe
Token: SeCreatePagefilePrivilege	2784	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wmplayer.exeunregmp2.exe

description	pid	process	target process
PID 3224 wrote to memory of 5008	3224	wmplayer.exe	setup_wm.exe
PID 3224 wrote to memory of 5008	3224	wmplayer.exe	setup_wm.exe
PID 3224 wrote to memory of 5008	3224	wmplayer.exe	setup_wm.exe
PID 3224 wrote to memory of 4968	3224	wmplayer.exe	unregmp2.exe
PID 3224 wrote to memory of 4968	3224	wmplayer.exe	unregmp2.exe
PID 3224 wrote to memory of 4968	3224	wmplayer.exe	unregmp2.exe
PID 4968 wrote to memory of 2784	4968	unregmp2.exe	unregmp2.exe
PID 4968 wrote to memory of 2784	4968	unregmp2.exe	unregmp2.exe

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\sound5.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3224

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\sound5.wav"
2⤵
PID:5008

C:\Windows\SysWOW64\unregmp2.exe
"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
2⤵
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\system32\unregmp2.exe
"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
PID:2784

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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
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
ed046bce817cb73f199630cb76788b8b

SHA1
556d04ad2f33f890a59a9afbbacf10be2ed9b917

SHA256
9edb4ce02640af6f18900d3522adbfedca232ac91dd2a200b7f7e77a8147784c

SHA512
da8d0119fa1c443b913b161e56b352df6045122426810b7515b96f9654e4185cde358c0678e91721a08b4f5ed0e7e7cc4a9d07cc046b81f3770f0f52587c0d58

Download Submit