41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b

General

Target

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe
Size

113KB
MD5

6af599deeaf199cdf32ea93716372c09
SHA1

d3d0f5ebed16506043cf688b2694d6fc4ff514e1
SHA256

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b
SHA512

180aae1a4b75390df4a369625b462c0b9b07bc2f4018062e68218898688f14fa157c14349ec1b1edf357a034c1b5aed5c8ba27314906e72724fbd7b4d755d31c
SSDEEP

3072:2staaA+YXYDWdN+DwiwuP/xzKtL91LVrwk2E0o3s:ftWODWdA1ZKtL91pMkyo

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

rundll32.exe

pid process

1216 rundll32.exe
Loads dropped DLL 5 IoCs

Processes:

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exerundll32.exe

pid process

1336 41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe
1216 rundll32.exe
1216 rundll32.exe
1216 rundll32.exe
1216 rundll32.exe

pid	process
1216	rundll32.exe

pid	process
1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe
1216	rundll32.exe
1216	rundll32.exe
1216	rundll32.exe
1216	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dbtav = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\dbtav.dll\",SHScale"	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

pid process

1336 41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

pid	process
1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe

description	pid	process	target process
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe
PID 1336 wrote to memory of 1216	1336	41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe
"C:\Users\Admin\AppData\Local\Temp\41ab1c21417c8d37e07c54fe1e85fb0bef91c223ab642b5e33ba0d7fa763e45b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\dbtav.dll",SetPLTOptions
2⤵
- Deletes itself
- Loads dropped DLL
PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
\Users\Admin\AppData\Local\Temp\dbtav.dll
Filesize
113KB

MD5
b396d50c1b190256f85f808ee70f7ba1

SHA1
bb9e5892df2319247ace830fa0c67c3fc7f33a7a

SHA256
f786da09fdf23a9ef4b5e1935c06a8b39ec96e4bd8e578fc6a12ccc136aa992b

SHA512
11059da068bab4a4d7e277020ed1e4e264256c5b41bf378c3fccbfcf4a43d34ac38e2704b3d5d38d83f976fd536e2f8911fb32f5baab927dc8dec6f06d3c611f

Download Submit
memory/1216-69-0x0000000000000000-mapping.dmp

Download
memory/1216-77-0x0000000000150000-0x000000000016F000-memory.dmp

Filesize
124KB

Download
memory/1216-81-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1216-82-0x0000000000120000-0x000000000012F000-memory.dmp

Filesize
60KB

Download
memory/1216-83-0x0000000000120000-0x000000000012F000-memory.dmp

Filesize
60KB

Download
memory/1336-67-0x00000000001B0000-0x00000000001CF000-memory.dmp

Filesize
124KB

Download
memory/1336-68-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download
memory/1336-63-0x0000000000500000-0x000000000051F000-memory.dmp

Filesize
124KB

Download
memory/1336-60-0x0000000010000000-0x000000001001F000-memory.dmp

Filesize
124KB

Download
memory/1336-56-0x0000000000260000-0x000000000027F000-memory.dmp

Filesize
124KB

Download
memory/1336-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1336-55-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download

Analysis

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