d07edc96ef3a2e88793b08e5c149f650acdadd2fccefb35d069220331e7915cf

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2023, 22:32

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General

Target

TikDownloader.io_7281032127074946310.mp3
Size

320KB
MD5

590ea280215e6073c104d440f6ff20bb
SHA1

7606512606e8b7c38108a62967a39ed48bfbd7ad
SHA256

d07edc96ef3a2e88793b08e5c149f650acdadd2fccefb35d069220331e7915cf
SHA512

cf4cf0485ebe0a30b8fbcc219c8ab0b1b6d987c74d5ea901f337412185f278271a5a1e25dc85a57ac1203761dfcde7ef931d4092734c5b525b16d1bb1c4c631e
SSDEEP

6144:tY/jSttHCV6iD0zXX6pDQaXPgIf2cHQRSoQAh0:tY/OLs0uQafp2cwRBnh0

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5016	unregmp2.exe
Token: SeCreatePagefilePrivilege	5016	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2952	2456	wmplayer.exe	86
PID 2456 wrote to memory of 2952	2456	wmplayer.exe	86
PID 2456 wrote to memory of 2952	2456	wmplayer.exe	86
PID 2456 wrote to memory of 2460	2456	wmplayer.exe	87
PID 2456 wrote to memory of 2460	2456	wmplayer.exe	87
PID 2456 wrote to memory of 2460	2456	wmplayer.exe	87
PID 2460 wrote to memory of 5016	2460	unregmp2.exe	88
PID 2460 wrote to memory of 5016	2460	unregmp2.exe	88

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\TikDownloader.io_7281032127074946310.mp3"
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- 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\TikDownloader.io_7281032127074946310.mp3"
  2⤵
  PID:2952
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2460
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:5016

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
2613f6945fabb1378551f368dfe4cd5b

SHA1
c555a1550de7bcd583fd67b5381f516d7a53b29c

SHA256
cd6c4c8b2c439979ff68a69211e75a305a5a61714540742d593aafd4d8a46145

SHA512
4ba50ed1b0fe0922ff14e81e57c9fc324b30f2d2fb8dda45c76cbd6336c2b121082655ac203ddcaf7d20f9ec97c9104321bd2179ede48f62eed0dc92749f4902

Download Submit