048ef771e7f38fb79873c636bf8e410fdda0d15793c2bd4fd9561f30568ff894

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2023, 09:46

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General

Target

111.m4a
Size

7.5MB
MD5

2ed649de12654fb2e3a5bf49a1795980
SHA1

063d5f8d49871ffe5e4ae1b73d7678f1a9942b22
SHA256

048ef771e7f38fb79873c636bf8e410fdda0d15793c2bd4fd9561f30568ff894
SHA512

9c3af1805338916a271b6165953cdadcc1545c073117175e1a0122ea185ab414a8aa0f604898743c340c5c77f61130fd1cc0b76d14e21b6ddc58d3bc91b3ef8c
SSDEEP

196608:wvT5V0z/fDfd3JOPLDoF6ccLjDci4yiF9KtAuZYDu4:+KTfBJOPLDoF6Z7KyaK5h4

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

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1428	unregmp2.exe
Token: SeCreatePagefilePrivilege	1428	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 2468	4600	wmplayer.exe	84
PID 4600 wrote to memory of 2468	4600	wmplayer.exe	84
PID 4600 wrote to memory of 2468	4600	wmplayer.exe	84
PID 4600 wrote to memory of 4736	4600	wmplayer.exe	85
PID 4600 wrote to memory of 4736	4600	wmplayer.exe	85
PID 4600 wrote to memory of 4736	4600	wmplayer.exe	85
PID 4736 wrote to memory of 1428	4736	unregmp2.exe	86
PID 4736 wrote to memory of 1428	4736	unregmp2.exe	86

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\111.m4a"
1⤵
- Suspicious use of WriteProcessMemory
PID:4600
- 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" /prefetch:6 /Open "C:\Users\Admin\AppData\Local\Temp\111.m4a"
  2⤵
  PID:2468
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4736
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1428

Network

MITRE ATT&CK Enterprise v6

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
dbfc662304aa4236ac6c685fdd3ee597

SHA1
bee96b9256c93a35398a8c6a341da9470c6101c2

SHA256
dfd76fd8ae4d04c006729be160e7c23fe8e003e7094a54abf3a5aaee1a5c5590

SHA512
6730c50e8217e93d819b24a76af50ed9afeb34c73f32bcf65cca1bac139219c4897f7a43faa7a88909b32777420f47beb2a1ab23fad5886ef4da35226305c42b

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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
df1a13e598cb06704d91e373cd38fa60

SHA1
1b5de59dac1e654f5018c506e1e70f0a49f88665

SHA256
166d560c88a8671d16ae90dd483049bf7bfdedf71213c6a5279ed04c7d15a8b7

SHA512
42aacf6df57d5be518b4d6f0fcaa85e279f15dc991ff34bd9cea478a172d58a24261471ff2a5740d265cc85924069b94210a100676f28c1db4427ea3f65f6952

Download Submit