53023a7ee0e209c767de9a9dd20c42cf70a489312c844eb5ba8cb1a6a57ff7f2

General

Target

steamripbanned.mp4
Size

140.4MB
MD5

a8fe732b5ac1f962778d54e7fb57ddd8
SHA1

527bc4e186dc2dd65abf33a8851e29a0a3dc4991
SHA256

53023a7ee0e209c767de9a9dd20c42cf70a489312c844eb5ba8cb1a6a57ff7f2
SHA512

bc208e53a0348d96c5e12c9168119b3bbe3a04241b292254403aee41363ed9a54c0e05ae717220e8fd76e28a398f784159e09fef02a2f67f23b4b8c25234a773
SSDEEP

3145728:fgqTpuLF1fnLNTU+DEuYa+6qBoGVtv0if4XoPAD8WrrPe:H2nLhvYn6qbVaToYDJrG

Score

6^/10

discovery

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup_wm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unregmp2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1088	powershell.exe
1088	powershell.exe
1088	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1752	unregmp2.exe
Token: SeCreatePagefilePrivilege	1752	unregmp2.exe
Token: SeDebugPrivilege	1088	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 4032	2764	wmplayer.exe	74
PID 2764 wrote to memory of 4032	2764	wmplayer.exe	74
PID 2764 wrote to memory of 4032	2764	wmplayer.exe	74
PID 2764 wrote to memory of 1012	2764	wmplayer.exe	75
PID 2764 wrote to memory of 1012	2764	wmplayer.exe	75
PID 2764 wrote to memory of 1012	2764	wmplayer.exe	75
PID 1012 wrote to memory of 1752	1012	unregmp2.exe	76
PID 1012 wrote to memory of 1752	1012	unregmp2.exe	76

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\steamripbanned.mp4"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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\steamripbanned.mp4"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4032
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\System32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:1752

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
0e807656bd86f2aef7ccf207f963973b

SHA1
27052af8d103d134369e356b793eb88ba873df55

SHA256
c509c498682bec50142782a51785655020bea27652f46e104e07a530c2ff5162

SHA512
e6c7d5e001e8322ccb1abd101d47e7f1401597518f45dd8da1d757728147262bcb3b1f96128f291e0e367c5b34026b401468e4219b27cf3c37a8d434180cd8f3

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\__PSScriptPolicyTest_oj5lf0pk.trn.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

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

Filesize
1KB

MD5
feb0b0c083385f467b7c0d065b680236

SHA1
01662863f9b376d5f206bc9b640ce2f1a7444d2e

SHA256
193cd1cdd85dc26cd531d2c74e612f513eb831d0083e58a98f7f30a1a0c41208

SHA512
3c02ff1b1d9bfc8dd515c6074fdf4dda8614f51aebf770a6d20dbc13b4fd2d3e4e9c14a5ad68d207fea3ced7af1c8f051bb0cda9a1917e4cc8b7ee5bd1933b17

Download Submit
memory/1088-43-0x000001E751C50000-0x000001E751C72000-memory.dmp

Filesize
136KB

Download
memory/1088-70-0x000001E76A3A0000-0x000001E76A3DC000-memory.dmp

Filesize
240KB

Download
memory/1088-81-0x000001E76A460000-0x000001E76A4D6000-memory.dmp

Filesize
472KB

Download

Analysis

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