3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653

Analysis

max time kernel
144s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 12:09

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General

Target

3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe
Size

132KB
MD5

45ce50fb3c05ec14b64a6675e46b1a9e
SHA1

30469b5f0713a3ce52bc282e1647371130748610
SHA256

3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653
SHA512

1e30360ccef82a0410bf90aaac6d7b8c1b8a838f3ab2363e818d7999ec181d20bf898f1d619c48e00d2de05aa83afb07fe9e36c8315af59c1441d0ba4c4b0681
SSDEEP

3072:vMjT4hSVdOU6MXnvYRqDkR2DrP0JvBL9F0ZyXAsXrs+y:A4hSGUxvYRUprPkBRF0ZyQ0Q7

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
820	setdebugnt.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	setdebugnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft® ActiveX Debugger NT = "\"c:\\windows\\setdebugnt.exe\""	setdebugnt.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\ieupdate.dat	setdebugnt.exe
File created	\??\c:\windows\setdebugnt.exe	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe
File opened for modification	\??\c:\windows\setdebugnt.exe	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1456	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe
820	setdebugnt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 820	1456	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe	27
PID 1456 wrote to memory of 820	1456	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe	27
PID 1456 wrote to memory of 820	1456	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe	27
PID 1456 wrote to memory of 820	1456	3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe	27

C:\Users\Admin\AppData\Local\Temp\3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe
"C:\Users\Admin\AppData\Local\Temp\3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1456
- \??\c:\windows\setdebugnt.exe
  c:\windows\setdebugnt.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:820

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

C:\Windows\setdebugnt.exe

Filesize
132KB

MD5
45ce50fb3c05ec14b64a6675e46b1a9e

SHA1
30469b5f0713a3ce52bc282e1647371130748610

SHA256
3fb111298958b5c98b6d1a3126e4d24f1ddaf51773f2a7d3e7c10a97f4010653

SHA512
1e30360ccef82a0410bf90aaac6d7b8c1b8a838f3ab2363e818d7999ec181d20bf898f1d619c48e00d2de05aa83afb07fe9e36c8315af59c1441d0ba4c4b0681

Download Submit
memory/820-60-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/820-63-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/820-65-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1456-61-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1456-62-0x0000000002680000-0x000000000279A000-memory.dmp

Filesize
1.1MB

Download
memory/1456-64-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download