ddbbf34580df55639d25c93409532171c3d4230a7609d5909e1bff1f29979cb0

max time kernel
225s
max time network
291s
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, 19:44

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1272	unregmp2.exe
Token: SeCreatePagefilePrivilege	1272	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 1088	1412	wmplayer.exe	79
PID 1412 wrote to memory of 1088	1412	wmplayer.exe	79
PID 1412 wrote to memory of 1088	1412	wmplayer.exe	79
PID 1412 wrote to memory of 1304	1412	wmplayer.exe	80
PID 1412 wrote to memory of 1304	1412	wmplayer.exe	80
PID 1412 wrote to memory of 1304	1412	wmplayer.exe	80
PID 1304 wrote to memory of 1272	1304	unregmp2.exe	81
PID 1304 wrote to memory of 1272	1304	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\df4brk2-5f3486a6-6e7e-42e1-a5b1-1b419ef75c9a.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:1412
- 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:1088
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1304
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1272

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
dbfc662304aa4236ac6c685fdd3ee597

SHA1
bee96b9256c93a35398a8c6a341da9470c6101c2

SHA256
dfd76fd8ae4d04c006729be160e7c23fe8e003e7094a54abf3a5aaee1a5c5590

SHA512
6730c50e8217e93d819b24a76af50ed9afeb34c73f32bcf65cca1bac139219c4897f7a43faa7a88909b32777420f47beb2a1ab23fad5886ef4da35226305c42b

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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

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

Filesize
1KB

MD5
c6324ae4c352d398117627eaeec0bdd6

SHA1
df86dfb7863dbc3a1b90e64b141af93a952c1cc9

SHA256
3c8c0b9b3930d608d55ffdc767e99896d555a04878706f4ee7ba46fdea22fa3c

SHA512
cf7414eab462633ef82e9a3c2920fefdfd9f62ef2328715fa67d346ffdc93fbb5030079deadca009669881d18f93e6dfc47bccd80879481696e44d1475684a53

Download Submit

Resubmissions

Analysis