cea8a0e506198d7e86fce66da8447e711a4d80a26ac056301c6fb8b16a457d9d

Analysis

max time kernel
50s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 19:46

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General

Target

Teddybears Sthlm, Mad Cobra - Cobrastyle (Video).mp4
Size

10.8MB
MD5

4be2f4f6a74d703b5a774f0f26a6c532
SHA1

dae63049684e19c4c23184a355345f3c09412544
SHA256

cea8a0e506198d7e86fce66da8447e711a4d80a26ac056301c6fb8b16a457d9d
SHA512

5508aa8cb4a3e136080927b55edd81423d48fdfdbac052ec30e4ed44f5a65b38712ee6ff09035a5ad0c50b8fb1c913096f37a2e772e5eb3b4243050387c1c6c2
SSDEEP

196608:2byXahLyri4u4ejoycOQLVj82xBMDNdptIZCkFq0CpnkDTewoDVMgYf1:2iahLyilLcOIBEhdrMCSq0ckvewXBf1

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

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\Microsoft\UPnP Device Host\upnphost\udhisapi.dll	svchost.exe
File created	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
3176	1952	WerFault.exe	80

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	unregmp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmplayer.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-4182098368-2521458979-3782681353-1000\{A5199BD7-5CE8-4E8C-B8B1-D5244DB077CE}	wmplayer.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3140	unregmp2.exe
Token: SeCreatePagefilePrivilege	3140	unregmp2.exe
Token: SeShutdownPrivilege	1952	wmplayer.exe
Token: SeCreatePagefilePrivilege	1952	wmplayer.exe
Token: 33	2776	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2776	AUDIODG.EXE
Token: SeShutdownPrivilege	1952	wmplayer.exe
Token: SeCreatePagefilePrivilege	1952	wmplayer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1952	wmplayer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 3356	1952	wmplayer.exe	84
PID 1952 wrote to memory of 3356	1952	wmplayer.exe	84
PID 1952 wrote to memory of 3356	1952	wmplayer.exe	84
PID 3356 wrote to memory of 3140	3356	unregmp2.exe	85
PID 3356 wrote to memory of 3140	3356	unregmp2.exe	85

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\Teddybears Sthlm, Mad Cobra - Cobrastyle (Video).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:1952
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:3140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 2268
  2⤵
  - Program crash
  PID:3176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
1⤵
- Drops file in Windows directory
PID:3672

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x510 0x3c4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1952 -ip 1952
1⤵
PID:2540

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
64KB

MD5
987a07b978cfe12e4ce45e513ef86619

SHA1
22eec9a9b2e83ad33bedc59e3205f86590b7d40c

SHA256
f1a4a978ce1c4731df1594043135cf58d084fdf129dd1c8e4507c9e06eac5ea8

SHA512
39b86540e4d35c84609ef66537b5aa02058e3d4293f902127c7d4eac8ffc65920cb5c69a77552fc085687eed66e38367f83c177046d0ecb8e6d135463cc142aa

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

Filesize
1024KB

MD5
4cc3e444ea558c68aab45465fa7c251f

SHA1
b38d0e0df628e157167eb9975f508730c53b2507

SHA256
71e5a0fd7b80bb0cc4800bd349a45ae65e8782597c968a63feb674bc53d88ff8

SHA512
c31a0f9a0e36d73d6d6b8bdfe0ee74c2c1f59f9ce4892f6376502cd23f88c76a2a98184759f044c6841d7440bf7dd9fe52c28e674c5d101ab6844d93a86ad85e

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
5433eab10c6b5c6d55b7cbd302426a39

SHA1
c5b1604b3350dab290d081eecd5389a895c58de5

SHA256
23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131

SHA512
207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34

Download Submit
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
fb456d2dba92c5a59486bbdc9eddebb6

SHA1
a0dcd9bc49414164aff72e4fde329b72a25407ad

SHA256
6ff0052b580e2c9ba8de672e3b3ec19a6390bce43328f775616838c1f232578c

SHA512
fc90f6b5273dd50bdfd416ee5184a13cfe2bc9626722d233ad490693a0b7cb58cf0916d276ff198d56197efe91a6ec58b8a43a7d37df5abc826b8fb2fff15b39

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

Filesize
1KB

MD5
ddc71c88942419fdc6b447eef754513f

SHA1
2f459ce8c010ce000cc37d3339912d2951208835

SHA256
b157d35b80aead4209f8acce9f2873f1abfdafdb8e644a437409491c32c8d2c1

SHA512
94c2b693bfd9cdb482d1a5c88a416cc6e0d2219447fac121b2c97abc3dc1197608d2f8701ad9b13a51ab410b7a4eba167efc73298bdd9c66cf02a99d51360539

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

Filesize
3KB

MD5
249e33a840927953ceee3b566e578e30

SHA1
371623d0562ab4622b641a2cabab00b4b3c67bd2

SHA256
dffefbf152b514182ba9d398ef9f5883b7f9c11b7d00275703e65ed43d55343d

SHA512
adb18e4f3afbbcacff4d7fc535048ae577efb3fb63f644c4b1dd3660f432cc0a4d797f5b574472bbfbefaefa1417095155055e9d6d8983f379cd70fbb0ed2dec

Download Submit
memory/1952-38-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-40-0x0000000009DD0000-0x0000000009DE0000-memory.dmp

Filesize
64KB

Download
memory/1952-41-0x0000000007B40000-0x0000000007B50000-memory.dmp

Filesize
64KB

Download
memory/1952-44-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-43-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-42-0x0000000007B40000-0x0000000007B50000-memory.dmp

Filesize
64KB

Download
memory/1952-45-0x0000000007B40000-0x0000000007B50000-memory.dmp

Filesize
64KB

Download
memory/1952-39-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-36-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-37-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download
memory/1952-58-0x0000000004F80000-0x0000000004F90000-memory.dmp

Filesize
64KB

Download