7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 01:13

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General

Target

7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
Size

16KB
MD5

f440616f4e196c7a94c055f714960985
SHA1

42f7942c3c9454abc6d69b66c5633a17e65d3df5
SHA256

7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63
SHA512

bac004d0d3d723593ea871c627de0fe296fb21b96fa68cff311d781f2fe223c0d3bd55e24748130ce1613df0b6c2e1ecd1a15bf3af683660b5551aba8348f30b
SSDEEP

384:a4wUAVoSxMqXtrcsgFyeiQ4jK7TaYCSwx5E:nf0oOMqbgFyed8kTvCxy

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dsound.dll.bak	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
File created	C:\Windows\SysWOW64\dsound.dll	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Fonts\MSnoipds.dat	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
File opened for modification	C:\Windows\Fonts\AeioFs.dat	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
File created	C:\Windows\Fonts\kb11935038.dll	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
File opened for modification	C:\Windows\Fonts\kb11935038.dll	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA74B10B-4DDF-4ee0-966F-7B232A45068E}\InprocServer32	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA74B10B-4DDF-4ee0-966F-7B232A45068E}	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CA74B10B-4DDF-4ee0-966F-7B232A45068E}\InprocServer32\ = "C:\\Windows\\Fonts\\kb11935038.dll"	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3960	4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe	79
PID 4004 wrote to memory of 3960	4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe	79
PID 4004 wrote to memory of 3960	4004	7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe	79

C:\Users\Admin\AppData\Local\Temp\7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe
"C:\Users\Admin\AppData\Local\Temp\7dd2c583d5fcd3ec97cc03940f2b16d1b5558f2d52f82e375dec150e1061fb63.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\dele5696f5.bat
  2⤵
  PID:3960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\dele5696f5.bat

Filesize
271B

MD5
ff996acc2ef2cf1a6c2785da9b65a590

SHA1
7b56dcafabadf66e15d98bf74cbb56a8aae46e3e

SHA256
d1499c1b769b421d7f86e5a5292355a28a2398540ed028bdca8d21720189bb6c

SHA512
0adf7cb627af303b961bc35e618b1adb4d24c1d0c509455bc55c799f7fcc86938e2356d57947bd89f13e084703dfc1e58c11d501fc219b7ef709b19eb497a325

Download Submit
memory/4004-132-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4004-134-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download