3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571

Analysis

max time kernel
153s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 05:25

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General

Target

3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe
Size

121KB
MD5

13113a04cb7f4b2f5171f4e5b69cb93d
SHA1

2290b4d0da3b69ce7a9e03f9b119900bf5f2475e
SHA256

3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571
SHA512

7d1c3f964410c350f452576bfd7c689a6e1f07136b8dd337e09ed106561708c70eae8f4eebb61130ebebea6ec4a02abd124722ba9b6806d4bee9a028db029009
SSDEEP

3072:TTJtSizg4FtyfDnw9UZkKnU0p9sywhVdlmCYQ4Q:TVsizg4FtKDlZHUXhPEQf

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1176	jdbgmgrnt.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	jdbgmgrnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Service Registry NT Save = "\"c:\\windows\\jdbgmgrnt.exe\""	jdbgmgrnt.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\runlog.dat	jdbgmgrnt.exe
File created	\??\c:\windows\jdbgmgrnt.exe	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe
File opened for modification	\??\c:\windows\jdbgmgrnt.exe	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1640	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe
1176	jdbgmgrnt.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1176	1640	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe	27
PID 1640 wrote to memory of 1176	1640	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe	27
PID 1640 wrote to memory of 1176	1640	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe	27
PID 1640 wrote to memory of 1176	1640	3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe	27

C:\Users\Admin\AppData\Local\Temp\3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe
"C:\Users\Admin\AppData\Local\Temp\3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640
- \??\c:\windows\jdbgmgrnt.exe
  c:\windows\jdbgmgrnt.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:1176

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\jdbgmgrnt.exe

Filesize
121KB

MD5
13113a04cb7f4b2f5171f4e5b69cb93d

SHA1
2290b4d0da3b69ce7a9e03f9b119900bf5f2475e

SHA256
3bcd51c8ca58d35d79e0cdd4ebf7918512c4fc31b2f5fb927f3ef608b51ca571

SHA512
7d1c3f964410c350f452576bfd7c689a6e1f07136b8dd337e09ed106561708c70eae8f4eebb61130ebebea6ec4a02abd124722ba9b6806d4bee9a028db029009

Download Submit
memory/1176-62-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/1640-54-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/1640-61-0x0000000002780000-0x0000000002890000-memory.dmp

Filesize
1.1MB

Download
memory/1640-63-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download