71cf2317b18983dd3830953d1b9e9af3f8c624a4524c92d938c986ebc962f881

Analysis

max time kernel
361s
max time network
1599s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
24-02-2024 10:42

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General

Target

VID-20240224-WA0000.mp4
Size

1.6MB
MD5

e2586d29d26856ad38e8e415b19b8af1
SHA1

f1b724fdfd5979f93780182b6d0d67195181e41d
SHA256

71cf2317b18983dd3830953d1b9e9af3f8c624a4524c92d938c986ebc962f881
SHA512

de0da671776edd22c75d4a942e018a4665ff743eeef058296fa4d9a5f7ef67f44cd16df191a3c38d78d9f73c852844e7050e4bc5c62d709b8d4beaa8f001ff23
SSDEEP

49152:JHk02Ri/wAo7FPAqcHGUtLgOeXrDsEjSywiYo41b:JHkiyFP+mUt2fJG/iYo0

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2920	unregmp2.exe
Token: SeCreatePagefilePrivilege	2920	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 2208	732	wmplayer.exe	72
PID 732 wrote to memory of 2208	732	wmplayer.exe	72
PID 732 wrote to memory of 2208	732	wmplayer.exe	72
PID 732 wrote to memory of 4080	732	wmplayer.exe	73
PID 732 wrote to memory of 4080	732	wmplayer.exe	73
PID 732 wrote to memory of 4080	732	wmplayer.exe	73
PID 4080 wrote to memory of 2920	4080	unregmp2.exe	74
PID 4080 wrote to memory of 2920	4080	unregmp2.exe	74

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\VID-20240224-WA0000.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:732
- 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\VID-20240224-WA0000.mp4"
  2⤵
  PID:2208
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4080
- - C:\Windows\System32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2920

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
98df921f667bf303621c789390ed9f2e

SHA1
d9c82e51534cf1c2eb5a255286de6a09ca364d1a

SHA256
8b8497d37fa9ddd44e275aa7631d7c7173c384a501d11e73e3d4401513c4bbe3

SHA512
58e896295763c2729c5a19986356e7cc7706265bbda5cd9cec98201ec9ce86c4b68a3e388c86aba198870ca4b8ab1a7876f2d8e1fff7437216dd2789b3ed3796

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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
48a4317c57b212847f2b57033697c527

SHA1
50ad0689c75567f6e71b15c1f85405a18cafce78

SHA256
d6467973dae5f0ccc6a2bd2a8d234a5e651e42aff7ee8d1c1b94112314b9032c

SHA512
e6afc906bcc9b00b614b3d14385c6604925f1d5c97af8b4b586ec8be6b63ac3a4657871a165439abe5ef4436facb6dec97c63775a0346bfbe09b3b1d94f69daa

Download Submit