ddbbf34580df55639d25c93409532171c3d4230a7609d5909e1bff1f29979cb0

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2023, 15:06

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4012	unregmp2.exe
Token: SeCreatePagefilePrivilege	4012	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 1444	3768	wmplayer.exe	84
PID 3768 wrote to memory of 1444	3768	wmplayer.exe	84
PID 3768 wrote to memory of 1444	3768	wmplayer.exe	84
PID 3768 wrote to memory of 4936	3768	wmplayer.exe	85
PID 3768 wrote to memory of 4936	3768	wmplayer.exe	85
PID 3768 wrote to memory of 4936	3768	wmplayer.exe	85
PID 4936 wrote to memory of 4012	4936	unregmp2.exe	86
PID 4936 wrote to memory of 4012	4936	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\df4brk2-5f3486a6-6e7e-42e1-a5b1-1b419ef75c9a.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:3768
- 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:1444
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4012

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

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
8f89108d3a750f3b4b4bfb57dc242d1e

SHA1
96282ff01b0edf5d50514295c0ad5aae9504875e

SHA256
cdbd920aa8b56bbbc283300742641ccc2e910f941e30d68c3f787fbffe432a65

SHA512
f029bee4224098e996537aeecf087c6c369e2575afa9586db29e9c0069a1d4b0047aad9cc366b5339f332de1cc8f4bf08148fc2624dd6430141d54305b3393a7

Download Submit
memory/4012-133-0x00007FF8DDEA0000-0x00007FF8DDF4C000-memory.dmp

Filesize
688KB

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Resubmissions

Analysis