3cae21e177121db44bdb8d09236f748763bc9a2bed3d310f6bf45f02a2f4d71c

Analysis

max time kernel
1005s
max time network
1008s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2023 16:01

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General

Target

megalovania.wav
Size

4.3MB
MD5

3b71663cdf9d9acde9ce181ff8fbce63
SHA1

da95e705f586a102f092aa0e061ae66aee48563e
SHA256

3cae21e177121db44bdb8d09236f748763bc9a2bed3d310f6bf45f02a2f4d71c
SHA512

a730bc548a981c8f8005563fd539029026ddfdf81ef0f5d6fb661f0198de7be2a0c43f67283606867368e04560c798e02a48dbd57caade59200a9740dd3a986a
SSDEEP

98304:thDqIMX/Vpj1/UMntWjhhxwMx/V9pPivFn8DndVQ2ofYN5XrQeEsfth95Rct/Yyg:tRqIMX/b2McxwMx/fpPivFyD6f8XrFpF

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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)	\??\S:	unregmp2.exe
File opened (read-only)	\??\E:	unregmp2.exe
File opened (read-only)	\??\P:	unregmp2.exe
File opened (read-only)	\??\Q:	unregmp2.exe
File opened (read-only)	\??\R:	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)	\??\T:	unregmp2.exe
File opened (read-only)	\??\A:	unregmp2.exe
File opened (read-only)	\??\B:	unregmp2.exe
File opened (read-only)	\??\H:	unregmp2.exe
File opened (read-only)	\??\I:	unregmp2.exe
File opened (read-only)	\??\U:	unregmp2.exe
File opened (read-only)	\??\V:	unregmp2.exe
File opened (read-only)	\??\X:	unregmp2.exe
File opened (read-only)	\??\F:	unregmp2.exe
File opened (read-only)	\??\M:	unregmp2.exe
File opened (read-only)	\??\N:	unregmp2.exe
File opened (read-only)	\??\W:	unregmp2.exe
File opened (read-only)	\??\G:	unregmp2.exe
File opened (read-only)	\??\L:	unregmp2.exe
File opened (read-only)	\??\Y:	unregmp2.exe
File opened (read-only)	\??\Z:	unregmp2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	100	unregmp2.exe
Token: SeCreatePagefilePrivilege	100	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 3232	3756	wmplayer.exe	86
PID 3756 wrote to memory of 3232	3756	wmplayer.exe	86
PID 3756 wrote to memory of 3232	3756	wmplayer.exe	86
PID 3756 wrote to memory of 3092	3756	wmplayer.exe	87
PID 3756 wrote to memory of 3092	3756	wmplayer.exe	87
PID 3756 wrote to memory of 3092	3756	wmplayer.exe	87
PID 3092 wrote to memory of 100	3092	unregmp2.exe	88
PID 3092 wrote to memory of 100	3092	unregmp2.exe	88

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\megalovania.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:3756
- 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\megalovania.wav"
  2⤵
  PID:3232
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:100

Network

MITRE ATT&CK Enterprise v6

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

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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
bc859f9c0f7d59c2586e6120b3df4791

SHA1
43c28133c726f5d945721593a21157951304c2fb

SHA256
e5bb4b408a44fd3127eb5025a48632547c7fb7e4b0047e1af8306c2d69ba7e6e

SHA512
4f3cf8c2c71ffbf7d5bacea332994b6ea51a522a813ccfc9b22dcde809d6aa6e3105f43aa81334b6c34f62ab4c8d15dd27f10720450362d18ea6d6bc6c7995fb

Download Submit