a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d

Analysis

max time kernel
24s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 08:35

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General

Target

a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
Size

10KB
MD5

4f66d6c7cd724dfe24f86a5d55fe9b71
SHA1

ef7a5c84c051e2aa33c477e5e4a9a031bf7afef0
SHA256

a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d
SHA512

d768b9b37703ae45b6e55b9957af0a0a6a8f9e4ae93d036913365c24a0e20a95cf03888d063f09ddfe9ec757187b1af587c25b827f2d63e39b263b09b181ddb3
SSDEEP

192:N8GumbEQnSQcZUqxgeHxWSGiGVDEh3nLVDGvHEKE1LBV4G9DXWAB4WaQm:N8VmbEdQ86sVcH9Ub4GlWk6

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Deletes itself 1 IoCs

pid	Process
1620	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tzm.cfg	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
File opened for modification	C:\Windows\SysWOW64\tzm.dll	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
File created	C:\Windows\SysWOW64\tzm.dll	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1276	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe	16
PID 1888 wrote to memory of 1620	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe	28
PID 1888 wrote to memory of 1620	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe	28
PID 1888 wrote to memory of 1620	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe	28
PID 1888 wrote to memory of 1620	1888	a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe	28

C:\Users\Admin\AppData\Local\Temp\a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe
"C:\Users\Admin\AppData\Local\Temp\a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\a63d6fd2f952ab23b437896e6f44547d2f47aad3cc63e2cf05d87594da19f61d.exe"
  2⤵
  - Deletes itself
  PID:1620

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1276

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

Replay Monitor

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Downloads

\Windows\SysWOW64\tzm.dll

Filesize
7KB

MD5
5dc5b19a10bff060920cfe770561559e

SHA1
f83c9bfbaf2a3f096fe5ec1b4ea27a5e13c627c8

SHA256
c783b16ae093373d56dc78ab3883b79cc3d6d838a3395ab6a8af576495397130

SHA512
e744a52d0a608bd795f6ef1244fd46b453c71a59eb49d413126a084fb7c5a60c972abb1dd6ea189aa227505e2635423350b5000cf1b0dc38e16228f64af1e869

Download Submit
memory/1888-55-0x0000000025000000-0x0000000025013000-memory.dmp

Filesize
76KB

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