55edf13cfb30af70cd8e43412f5df4840f0ef5f766cc1cbed7b88500f6f7b068

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 19:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

sk_1.mp4
Size

10.5MB
MD5

b02719d3a5d998c3e196cc657f15e460
SHA1

4d230d9c06156e58c12b8a0e9f18c7beb30ee769
SHA256

55edf13cfb30af70cd8e43412f5df4840f0ef5f766cc1cbed7b88500f6f7b068
SHA512

9eed6a71b5613acc61d0382a670b7ed694541ff3c713b680e3d6bcc49dd1ea2d19a0882c8dcc070485a8a22ea48fe7c3313bc3429e7b003e136678dfc031f803
SSDEEP

196608:BdDgT0YWgWhh6wZsHsVMnK4y95sOCzVJViGbgS7SKvXMf2G:BdDgTdNWT6asH3nK4esOQVuGb+wXS2G

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2288	unregmp2.exe
Token: SeCreatePagefilePrivilege	2288	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 512 wrote to memory of 1488	512	wmplayer.exe	79
PID 512 wrote to memory of 1488	512	wmplayer.exe	79
PID 512 wrote to memory of 1488	512	wmplayer.exe	79
PID 512 wrote to memory of 1368	512	wmplayer.exe	80
PID 512 wrote to memory of 1368	512	wmplayer.exe	80
PID 512 wrote to memory of 1368	512	wmplayer.exe	80
PID 1368 wrote to memory of 2288	1368	unregmp2.exe	81
PID 1368 wrote to memory of 2288	1368	unregmp2.exe	81

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\sk_1.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:512
- 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\sk_1.mp4"
  2⤵
  PID:1488
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1368
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2288

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
64KB

MD5
c374c25875887db7d072033f817b6ce1

SHA1
3a6d10268f30e42f973dadf044dba7497e05cdaf

SHA256
05d47b87b577841cc40db176ea634ec49b0b97066e192e1d48d84bb977e696b6

SHA512
6a14f81a300695c09cb335c13155144e562c86bb0ddfdcab641eb3a168877ad3fcc0579ad86162622998928378ea2ffe5a244b3ddbe6c11a959dbb34af374a7d

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
c51e1161793643c07682e2b95b17eb16

SHA1
46a4d2aef898636bd53dc7ddf1797b6a38e645f4

SHA256
e059a195ec7f1be02ab2b088133f587b3d3cdaaffd3924de7ec42f70a25611c9

SHA512
cce115dedc45a009444795328ebb36856bdb29ef6eae4ad68b6fbc5b18565d56d1e34a89e019181d48eeab0c6a9820784582f29186e483cf59872ff8eaed51b2

Download Submit