4bed6e6450e3e7988b05deb5baf7bd51f05cea0d2461bbb2ed97ce0fc0e5d41a

Analysis

max time kernel
141s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 15:07

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General

Target
patreon xmas.wav
Size 178.5MB
Sample240603-shpztabf34
SHA256 4bed6e6450e3e7988b05deb5baf7bd51f05cea0d2461bbb2ed97ce0fc0e5d41a
MD5 1710699394bd96f19a40946e3247cd7d
SHA1 8ff4a0e08232139419b35463d7db8a57fb51a964
SHA512 f83a4046171b9ce2daf2453da7a141e80f907f3c1854cb8e6c577cb15b17acf445d334f86b0532f0e8d457891a5a3ac268c2e844333c7786870c6e310d2da270
SSDEEP 3145728:ROtkBioRkGlQafXn6t5l1COTuhlSMsnLMKn5NBSdsSZiZNbR5xI9u/aRcTTxS:RAkBEGlQqXn6Pl1CQ2snHLwHsbRfI9um
MD5 SHA1 SHA512 SSDEEP

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4888	unregmp2.exe
Token: SeCreatePagefilePrivilege	4888	unregmp2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 4176	444	wmplayer.exe	84
PID 444 wrote to memory of 4176	444	wmplayer.exe	84
PID 444 wrote to memory of 4176	444	wmplayer.exe	84
PID 444 wrote to memory of 1372	444	wmplayer.exe	85
PID 444 wrote to memory of 1372	444	wmplayer.exe	85
PID 444 wrote to memory of 1372	444	wmplayer.exe	85
PID 1372 wrote to memory of 4888	1372	unregmp2.exe	86
PID 1372 wrote to memory of 4888	1372	unregmp2.exe	86

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\patreon xmas.wav"
1⤵
- Suspicious use of WriteProcessMemory
PID:444
- 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\patreon xmas.wav"
  2⤵
  PID:4176
- C:\Windows\SysWOW64\unregmp2.exe
  "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\system32\unregmp2.exe
    "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
    3⤵
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    PID:4888

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

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Downloads

CurrentDatabase_400.wmdb

Path C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb
Size 512KB
SHA256 0bff85979e3b8299ee9f3f89d964e5b16d7c0ab3945ba6396b07295a33cc026d
MD5 6d37c77b1258c734cee5222fe9f54588
SHA1 1787bf68ba30bff360f599648e3fa703b05ab9cf
SHA512 04c5338a8f686aee2d43557258dccab9b57e0086c0ff834e8ba693b81b6058467e6c35206000de6ed847fc51fd2e3a2ddbc1b52586f006d0eb429fed097006fd
SSDEEP 768:5f0aleDxcg7KGVp3zT13VuI61HOdrrA9abhr1vfEwPRzitFrzcooJImdba5aSt3:569tQeoVYoUxYCutFC
MD5 SHA1 SHA512 SSDEEP

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WMSDKNS.XML

Path C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML
Size 9KB
SHA256 cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b
MD5 7050d5ae8acfbe560fa11073fef8185d
SHA1 5bc38e77ff06785fe0aec5a345c4ccd15752560e
SHA512 a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b
SSDEEP 96:/YkZRAF6zyHUhm77yB1pZYCEnfHrHH7B6xTGH+YCLV3zwULJEYCJWyHBt3zwFRh+:/2FV0bBPCfUdY
MD5 SHA1 SHA512 SSDEEP

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wmsetup.log

Path C:\Users\Admin\AppData\Local\Temp\wmsetup.log
Size 1KB
SHA256 412a3d319cf20444d23df905d626647730824d231fa864044011887e48c3551d
MD5 9541d69d266c805d14a626a700702bae
SHA1 e70630d9ca5f579a34b392a928e5bf8bfa3d121a
SHA512 b3ade4cc61b43cd15d319b858f63eb1a7a2689b33ebe479c2f84ae4b3cf8ef3e6f83eab46c8ec43035c1465b85c1a7b43063800e53c336b6f640477c91af1d3e
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads