ddbbf34580df55639d25c93409532171c3d4230a7609d5909e1bff1f29979cb0

max time kernel
78s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2023 13:37

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General

Target

df4brk2-5f3486a6-6e7e-42e1-a5b1-1b419ef75c9a.mp4
Size

165KB
MD5

f5eafcc303576a4344588304f9a0cabd
SHA1

dedec3c11406d0356d9c5ea487f39306b95e29d5
SHA256

ddbbf34580df55639d25c93409532171c3d4230a7609d5909e1bff1f29979cb0
SHA512

502d52cc58fd3d65f4f71e1f220be45a235710a3dc1dd6514c39dff348395e1cc63672b7030b540eb172d50cc5e0be8882080552b981daef2b2df00eaba6c459
SSDEEP

3072:2YOSb2U5+6v3Bzq0OCj91PMYi0BsRFBlgo1NaCPl/VhfvAgedFSrK:MSY6v3B2yR1UYzsRFbgouO/jKFQK

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4660	unregmp2.exe
Token: SeCreatePagefilePrivilege	4660	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 3148	2732	wmplayer.exe	85
PID 2732 wrote to memory of 3148	2732	wmplayer.exe	85
PID 2732 wrote to memory of 3148	2732	wmplayer.exe	85
PID 2732 wrote to memory of 1316	2732	wmplayer.exe	86
PID 2732 wrote to memory of 1316	2732	wmplayer.exe	86
PID 2732 wrote to memory of 1316	2732	wmplayer.exe	86
PID 1316 wrote to memory of 4660	1316	unregmp2.exe	87
PID 1316 wrote to memory of 4660	1316	unregmp2.exe	87

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\df4brk2-5f3486a6-6e7e-42e1-a5b1-1b419ef75c9a.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:2732
- 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\df4brk2-5f3486a6-6e7e-42e1-a5b1-1b419ef75c9a.mp4"
  2⤵
  PID:3148
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1316
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4660

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
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

Download Submit
C:\Users\Admin\AppData\Local\Temp\wmsetup.log

Filesize
1KB

MD5
c715afba66a99a65b49086c6b0678e2b

SHA1
13ad30f784f546210aa5fa5f3fec454b239d8fdf

SHA256
6e82d45699cd484c1c5ba6f805c08638dfeaea84650142fef3570b3b040323ae

SHA512
8c0da81934b673e6dae9cba26bfcb2fa65204808eb9c5fdc07985d78a2e4671d66f7d27b2f4e64de4b3e4e1376005116747675688c40a0fa6b2c2a9cc019bcaa

Download Submit

Resubmissions

Analysis