893a864ee28a6ca677a90873099a6f816e7fbb8e604f7fc9e4ffa90167d61001

Resubmissions

24/02/2024, 12:33

240224-prj85sbf84 6

24/02/2024, 12:32

240224-pqstwsbf58 1

24/02/2024, 12:28

240224-pnngdscc7x 6

Analysis

max time kernel
1837s
max time network
1852s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 12:33

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General

Target

HK416-bonk.mp4
Size

93KB
MD5

f7aaecedf1d24e05de0641cd686cd075
SHA1

ab7e8b802dc8d406ba093c721d1cc88fc7aaa9df
SHA256

893a864ee28a6ca677a90873099a6f816e7fbb8e604f7fc9e4ffa90167d61001
SHA512

a9ebc2e5fa1e74c954cf1e944eecd32b2cc30e0f9a9055747bf47f01f5bc02f42b72cde72f72d7ddc1c82d7108956371a84c35eb007a90ad7b446e2891dbda88
SSDEEP

1536:z8iPfqSSI9UQGo7BxnZQOdtzqNVQNolHuesWrOWD7wZX42NtOSP7T8F4D7q9fU8x:giPfZo4ZhtONqNkHuesZUiX42VXJ3CUO

Score

6^/10

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	444	unregmp2.exe
Token: SeCreatePagefilePrivilege	444	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 3048	1964	wmplayer.exe	91
PID 1964 wrote to memory of 3048	1964	wmplayer.exe	91
PID 1964 wrote to memory of 3048	1964	wmplayer.exe	91
PID 1964 wrote to memory of 1732	1964	wmplayer.exe	92
PID 1964 wrote to memory of 1732	1964	wmplayer.exe	92
PID 1964 wrote to memory of 1732	1964	wmplayer.exe	92
PID 1732 wrote to memory of 444	1732	unregmp2.exe	93
PID 1732 wrote to memory of 444	1732	unregmp2.exe	93

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\HK416-bonk.mp4"
1⤵
- Suspicious use of WriteProcessMemory
PID:1964
- 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\HK416-bonk.mp4"
  2⤵
  PID:3048
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:444

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

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
fc240c081ec382df4b74d591d7d37a45

SHA1
396e9d8accb2ff8b32e6c3957808cb87d23ad47c

SHA256
8cfeb277627a0fc9f2596c83dc37f9a3d8871293cd88dadd08f32098bf936038

SHA512
d8f83773c330b88b43f9ebc6220aa98368854e44a75b73a8575e7171f6c32e784d404e5a2e2e7787d3c71c0cfecdbb983631b639d9fee879b374d498d2ef0ab7

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
783697e5c12486d588b464e33f99e95b

SHA1
b8c580d5a510638615fec130f1065087f9a3be59

SHA256
85fe4eddeaf6427675c37f13ac540ade1c8860bdc4c5c973b99e2a4865251eb2

SHA512
b9771a2272c6e0661feeed5d08e349daffa486fd4803e4c96aab3f6fc4103c4e14075e1b13416345f87d46db412e4d2084cd7c554c78b0edb335013039d50eee

Download Submit