e15b8577855715dd85a44839e0c6773eda47e3379cd03130a4d3b85668da4175

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02-08-2024 22:48

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General

Target

8mb.video-YV5-ugQKomqh.mp4
Size

5.7MB
MD5

645c6657d4a7077032fab296d06e7312
SHA1

2a59f20ccce669cd06bb4399e6d1c2a79abb12d8
SHA256

e15b8577855715dd85a44839e0c6773eda47e3379cd03130a4d3b85668da4175
SHA512

ad1b80d3454a9e5249f550a5c1ae3ca1aa4f5cb71055583ced705d3f812e37fdee9db1c5835e99d5485e9c8f6b5faebb0598469214586af288a800f2576ca8a3
SSDEEP

98304:qFOpDP8/pyqmbGtsII59yWaw7pEQfHHTu5KKqcQtZi4DNroxflUn4wX3n4Uz8:ZiaGhy8Wp79/HTu5KxXhroY/34Uz8

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5024	1868	WerFault.exe	79

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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4272559161-3282441186-401869126-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-4272559161-3282441186-401869126-1000\{21DEDF6E-A3F0-47C5-B018-4F389AE2236A}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1868	wmplayer.exe
Token: SeCreatePagefilePrivilege	1868	wmplayer.exe
Token: SeShutdownPrivilege	4216	unregmp2.exe
Token: SeCreatePagefilePrivilege	4216	unregmp2.exe
Token: 33	3192	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3192	AUDIODG.EXE
Token: SeShutdownPrivilege	1868	wmplayer.exe
Token: SeCreatePagefilePrivilege	1868	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	wmplayer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1548	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 656	1868	wmplayer.exe	80
PID 1868 wrote to memory of 656	1868	wmplayer.exe	80
PID 1868 wrote to memory of 656	1868	wmplayer.exe	80
PID 656 wrote to memory of 4216	656	unregmp2.exe	81
PID 656 wrote to memory of 4216	656	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\8mb.video-YV5-ugQKomqh.mp4"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:656
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 1204
  2⤵
  - Program crash
  PID:5024

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:4744

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004CC 0x00000000000004E4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3192

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1868 -ip 1868
1⤵
PID:880

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
256KB

MD5
bbb416e94d91b0dfbb49e250efb4e183

SHA1
bbf9700fd646ed2de62e7efc230b578e7cb5d414

SHA256
82302657180df4c8f2f81df34d3150f263b1a51773fc168b0b639906163d0dd5

SHA512
13d07ae391a9429f508a052aa7c6fa39fdc1d18963e2697f7918229dbebcaf937c65fa4209099178a9ca66e8ccb48544f24a073ca24837e65983f1517b054d3f

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

Filesize
1024KB

MD5
2288e7b70300c4b610b1dcff2a2e1e49

SHA1
0d5ee31f21a8c46aac6c4dd357c2400971aa7acb

SHA256
dfb91b178b14c5a3bcae0f7ef74a2533e6e071af795a5d14073dee392c6ede94

SHA512
948cd3c8ed97fbb63113f9f34dbd8f3680364f6e6e6149efaae4d346104eddf972ddca88c4e8b9d333143c942b758ef960fcc062ece0bd4ca8f51fa8e6e125cb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD

Filesize
498B

MD5
90be2701c8112bebc6bd58a7de19846e

SHA1
a95be407036982392e2e684fb9ff6602ecad6f1e

SHA256
644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

SHA512
d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

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\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
06f54da138064bcb87a50ea5796be0bc

SHA1
149614dcc0cc8a15d12e042639d53d364b692f5a

SHA256
fd00cc98658581a6d166ce94e14f68079c4a2948db69e5ac60755ac8c50c1f50

SHA512
530073a003f19a93945cc2d663cd395744c98b3d8377ed6fbc237be0b42b7ec23544fe149435e3d5d47b8d385c2a9bd1e2605222bbe2df0d3233edf10550202d

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

Filesize
1KB

MD5
891734a8f68d80ac20c95bf92f97c9ad

SHA1
47308d2da31a74a17ae9b96675312b90bcdf17c5

SHA256
c09c76c2e76e5e2aabb0432a05b77cb385b5093ff3cb9bea6d1ad7c4ab914a13

SHA512
f0886d03ce78b82fbf4bcee8d3ba46efe72665bb78554507d66246580ee2b2611b2c8a2d52cf3f43f6b638200d796e90d49c8c2b2b75294dffac8dc870674fba

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
3KB

MD5
75fca6ad65af471403460d73352b2eed

SHA1
81c8fe23b3c9a777cdec6d0ef19d4ac1b3aead6b

SHA256
68f99e5abf44c3db01f30fdb26f13bc7b0838c3656cf3072cf0adeb98d5c964e

SHA512
bce242f5bc43727f5b5e9930c269d161184afbbbc14c22ee572e28022102ce47ac74b8135fa5bd7f33dd53455ade602ce9221b606b78b5d16b01ca9bf0947017

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\74d7f43c1561fc1e.customDestinations-ms

Filesize
1KB

MD5
f8b38f01e951e3045f8cf12b3c7d65d7

SHA1
09eb81bd1de275cc43726287878c892e393b75f7

SHA256
738fa8995646a10a9117756f17fdd651df1dfc2cf74bb48c70998e835d778777

SHA512
9dbcd27b8d17b9c78cda40434603944ac9d27824e8352ca67b899ffd916c1fae97382a3a5d1f79cbdf14377e92cc08f2b9adbdaf2bcac32ca38024259b129a95

Download Submit
memory/1868-37-0x00000000070B0000-0x00000000070C0000-memory.dmp

Filesize
64KB

Download
memory/1868-38-0x0000000007290000-0x00000000072A0000-memory.dmp

Filesize
64KB

Download
memory/1868-41-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-40-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-39-0x0000000007290000-0x00000000072A0000-memory.dmp

Filesize
64KB

Download
memory/1868-42-0x0000000007290000-0x00000000072A0000-memory.dmp

Filesize
64KB

Download
memory/1868-35-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-32-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-34-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-55-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download
memory/1868-36-0x0000000004D70000-0x0000000004D80000-memory.dmp

Filesize
64KB

Download