6331f9a33f704c49d8f89babe3d8410f1d355880beeac9396a53ef3e70787bfb

Analysis

max time kernel
90s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2023 15:56

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General

Target

meme_18.mp4
Size

2.6MB
MD5

151eebc0888b60124ee5a9858d2305be
SHA1

1a6e478f7700575b2566de1e6885bb1459df015c
SHA256

6331f9a33f704c49d8f89babe3d8410f1d355880beeac9396a53ef3e70787bfb
SHA512

ef6d51b12e02700cc174379091d982e54bc59bec695aa4100e033a838b60a0aa78b0e767f738c4cfb1a2ef000a4b2b171cc8bf62fdabea4a7210b6eeea2c74e0
SSDEEP

49152:IEWHGB/vIu2PPdBDPZGzIr+6+uO6I10Hd1KX8kayaOB1fJTas0gw:IDmB4fPHx+uYQrdkayaObfJTggw

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2040	unregmp2.exe
Token: SeCreatePagefilePrivilege	2040	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 3664	5048	wmplayer.exe	81
PID 5048 wrote to memory of 3664	5048	wmplayer.exe	81
PID 5048 wrote to memory of 3664	5048	wmplayer.exe	81
PID 5048 wrote to memory of 4248	5048	wmplayer.exe	82
PID 5048 wrote to memory of 4248	5048	wmplayer.exe	82
PID 5048 wrote to memory of 4248	5048	wmplayer.exe	82
PID 4248 wrote to memory of 2040	4248	unregmp2.exe	83
PID 4248 wrote to memory of 2040	4248	unregmp2.exe	83

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\meme_18.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:5048
- 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\meme_18.mp4"
  2⤵
  PID:3664
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4248
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2040

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
256KB

MD5
2936527c6171be1065c6012a3e8ffddd

SHA1
9273557d3cfc6987eac30802569e9d2579d7d4a4

SHA256
e341ab7fd265205d2477cb5234a6c3d35911d7ebb17139b585b55eb7def237e0

SHA512
a83203b4696232299c70ff0f7ae292964417b0636d278544fd252a41e6ab3b5c749e836d83d7b22bc52d56dc069bb8caa0ebf5634b32e3acae7afc87c1215e5d

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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
101fde666a0080a35a190ffcdfb0701c

SHA1
6869416102f762a3bf038566f042a226a7658d4b

SHA256
ff6d8a16113e3a6da418571b0408b96dae8ec6be0aff0d2834d28867e7173cca

SHA512
5396ea6b76c89344acb08913f477f511bfc66ddc6cdf1e075f542c8a3e448657f8aecf1b3fded5fe2f0768a84637bf2398e86fa7f6902ebc59f42fb41babb751

Download Submit