8bfa748b6af386446d27aed38a532717fed64ae11f6ea258a27782ea21ecdc60

Resubmissions

24/04/2024, 20:02

240424-yskezagf29 7

24/04/2024, 19:59

240424-yqd56sge77 7

Analysis

max time kernel
1590s
max time network
1776s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
24/04/2024, 19:59

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General

Target

MEMZ Safe Payload/soundfile.wav
Size

6.2MB
MD5

efc6e6214dd1c293dd4ff181013852a4
SHA1

11e608f87bde0bc8abf8e070966145ba80d025b9
SHA256

78f096f8aad74defda542e40ccd235753b141ce3828d56459d07af8b8b2211c9
SHA512

059d4d26643fcc23fe74d42168be837645fd9cfd1f4bc7438774b51059ef63f9710fae5dd10a88f7b7d3c3c184c77224d39cba9d8ce8896a9a20215dfe384e65
SSDEEP

98304:C4JsOIwCRs/fcFCqBZi9hAmsBhfOiWiEX2H/8QWbV0lAVk5loqbIb2T:C4KOIzRsyCEYTqWiWrQ/Ak5loqbIb2T

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2164	unregmp2.exe
Token: SeCreatePagefilePrivilege	2164	unregmp2.exe
Token: SeManageVolumePrivilege	2636	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 3796	4484	wmplayer.exe	84
PID 4484 wrote to memory of 3796	4484	wmplayer.exe	84
PID 4484 wrote to memory of 3796	4484	wmplayer.exe	84
PID 4484 wrote to memory of 1244	4484	wmplayer.exe	85
PID 4484 wrote to memory of 1244	4484	wmplayer.exe	85
PID 4484 wrote to memory of 1244	4484	wmplayer.exe	85
PID 1244 wrote to memory of 2164	1244	unregmp2.exe	87
PID 1244 wrote to memory of 2164	1244	unregmp2.exe	87

C:\Program Files (x86)\Windows Media Player\wmplayer.exe
"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Open "C:\Users\Admin\AppData\Local\Temp\MEMZ Safe Payload\soundfile.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:4484
- 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" /Open "C:\Users\Admin\AppData\Local\Temp\MEMZ Safe Payload\soundfile.wav"
  2⤵
  PID:3796
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1244
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:2164

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:2696

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2636

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

Loading Replay Monitor...

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\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
6c7daa164ab2c5698d8e0e9c9f3e59fa

SHA1
a39c7b1fab4892eb15ddb5b662652fef9f2959d8

SHA256
6384285e89a223dfb536b614db0e04e47ff1440d05301edc508699d8158e1b49

SHA512
a5c39b02e6b1c5682a1551eed32ede414d6c798f6a96b1253011ffb1df84fa7ed2e00e747ab7212cc5f097ac8d7f98408a5ccec8c0895f23b29e5272ea1d7e0a

Download Submit
memory/2636-33-0x000001ECC0940000-0x000001ECC0950000-memory.dmp

Filesize
64KB

Download
memory/2636-49-0x000001ECC0A40000-0x000001ECC0A50000-memory.dmp

Filesize
64KB

Download
memory/2636-65-0x000001ECC8D60000-0x000001ECC8D61000-memory.dmp

Filesize
4KB

Download
memory/2636-67-0x000001ECC8D90000-0x000001ECC8D91000-memory.dmp

Filesize
4KB

Download
memory/2636-69-0x000001ECC8EA0000-0x000001ECC8EA1000-memory.dmp

Filesize
4KB

Download
memory/2636-68-0x000001ECC8D90000-0x000001ECC8D91000-memory.dmp

Filesize
4KB

Download