9075e4df4808d4d544552dc5f71e540ee1d60a8b90255f005668ceca964481fc

Analysis

max time kernel
90s
max time network
203s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
09/08/2024, 10:15

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General

Target

__MACOSX/._945554145-1-16.mp4
Size

1KB
MD5

0687181cbf1a829295d335481bca0932
SHA1

26664e7d8de97f78c8e04379ea96499e3c193c13
SHA256

6134a5736cada8eda59863d49bed0524000953ac678be078360e1a091cf945f7
SHA512

ed3c4c72c78c6d1089955ecce3b2761a505b095b55758e7f258db88143a8eaac6e3408166d17134e8d939b24b2a260c1ff1c525880e31db7ee7520c97ddb99f9

Score

6^/10

discovery

Malware Config

Signatures

Enumerates connected drives 3 TTPs 46 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)	\??\K:	unregmp2.exe
File opened (read-only)	\??\R:	unregmp2.exe
File opened (read-only)	\??\T:	unregmp2.exe
File opened (read-only)	\??\L:	wmplayer.exe
File opened (read-only)	\??\S:	wmplayer.exe
File opened (read-only)	\??\U:	wmplayer.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe
File opened (read-only)	\??\B:	wmplayer.exe
File opened (read-only)	\??\J:	wmplayer.exe
File opened (read-only)	\??\M:	wmplayer.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\T:	wmplayer.exe
File opened (read-only)	\??\Y:	wmplayer.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\O:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\E:	wmplayer.exe
File opened (read-only)	\??\G:	wmplayer.exe
File opened (read-only)	\??\N:	wmplayer.exe
File opened (read-only)	\??\R:	wmplayer.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\X:	wmplayer.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\S:	unregmp2.exe
File opened (read-only)	\??\W:	wmplayer.exe
File opened (read-only)	\??\J:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\I:	wmplayer.exe
File opened (read-only)	\??\P:	wmplayer.exe
File opened (read-only)	\??\Q:	wmplayer.exe
File opened (read-only)	\??\Z:	wmplayer.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\V:	wmplayer.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\A:	wmplayer.exe
File opened (read-only)	\??\H:	wmplayer.exe
File opened (read-only)	\??\K:	wmplayer.exe
File opened (read-only)	\??\O:	wmplayer.exe
File opened (read-only)	\??\I:	unregmp2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1372	wmplayer.exe
Token: SeCreatePagefilePrivilege	1372	wmplayer.exe
Token: SeShutdownPrivilege	5008	unregmp2.exe
Token: SeCreatePagefilePrivilege	5008	unregmp2.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2600	1372	wmplayer.exe	82
PID 1372 wrote to memory of 2600	1372	wmplayer.exe	82
PID 1372 wrote to memory of 2600	1372	wmplayer.exe	82
PID 2600 wrote to memory of 5008	2600	unregmp2.exe	83
PID 2600 wrote to memory of 5008	2600	unregmp2.exe	83

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\__MACOSX\._945554145-1-16.mp4"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1372
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5008

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:4752

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

System Location Discovery

T1614

System Language Discovery

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
512KB

MD5
c202cc88d1fee378c518328edf991df5

SHA1
29ab9af4122a6b51b1a3ea59dc4240a95699190d

SHA256
7bd256f18d607f7c307532369d312c40c2287ec6e57613863a4543c6611611a4

SHA512
4b3316f8774b4a6235236cad3ff4b8112825e0d85c6efb383f01ffbf0d5b81a6658579a4c9d494da5e54cad1f404aeaf453a04e1694c1af4efe1646fa7498aa0

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

Filesize
1024KB

MD5
6c98a171af17dde0a4f24c5914fd653c

SHA1
19d5c22732f91c4d30c6e25c0150c42a55bb81f6

SHA256
6fcc761f9f285bd8a283d09a16e6497993225020475931bee936b98d33ce55e7

SHA512
8a76a8d96bad6ddb29caa7b4916eb5b6822030e5447f94c83225359fe51341d22d8a1484e9e23ae90d194669a460b45822a08b5be46ac28fa4a3b37b48f5cc43

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
1f2faff482295f47ee9a623c78f072d9

SHA1
5263bcb58f7fcf5c42240cf10d346a66242ffb72

SHA256
421e42bc87c0440710aa52fa39addc1cc26cc3f54e2be144bd8b672fb5b96329

SHA512
5ea26d27bf48f5569ef4ae0d7c9542ab2dbb88f6e311f2c7be3426b51d5e76893691fd1045cd439abadecbad161c2580fbc7ef3097e899d7489075f36341b486

Download Submit
memory/1372-37-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-33-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-32-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-36-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-34-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-35-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-38-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-39-0x0000000009600000-0x0000000009610000-memory.dmp

Filesize
64KB

Download
memory/1372-31-0x00000000070D0000-0x00000000070E0000-memory.dmp

Filesize
64KB

Download