13c2774c0be72fde65990a8103ff941bdd14e223e207e72dfa37c7d3238792a7

Analysis

max time kernel
123s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 03:32

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General

Target

7c08913f28e61d4e87b5f2bfde7780e4.exe
Size

70KB
MD5

7c08913f28e61d4e87b5f2bfde7780e4
SHA1

4a031c30ba68cae93e15e01ed87a105d08b6e4e3
SHA256

13c2774c0be72fde65990a8103ff941bdd14e223e207e72dfa37c7d3238792a7
SHA512

66f05bd0b12f15853f49c4d6afe346a715f9e70e4a4e6af7795af16a231fce574bd58554c3931b98e087d448ac1a765301f473bd28e37b10ec236dd647f32f7b
SSDEEP

768:db8ysuYQGbP8V09JZfth/gVcS+2yQ0dBSsFxQIb4mnnbTu8avuaT3TwnjcrUJnd3:poAufQuPnnb63vl3TwXJndzk6H

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	rund1132.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Tencent QQ = "Rund1132.exe qq.dll,Rundll32"	7c08913f28e61d4e87b5f2bfde7780e4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rund1132.exe	rund1132.exe
File created	C:\Windows\rund1132.exe	7c08913f28e61d4e87b5f2bfde7780e4.exe
File opened for modification	C:\Windows\rund1132.exe	7c08913f28e61d4e87b5f2bfde7780e4.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2724	rund1132.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2480	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2348	7c08913f28e61d4e87b5f2bfde7780e4.exe
2724	rund1132.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2724	2348	7c08913f28e61d4e87b5f2bfde7780e4.exe	29
PID 2348 wrote to memory of 2724	2348	7c08913f28e61d4e87b5f2bfde7780e4.exe	29
PID 2348 wrote to memory of 2724	2348	7c08913f28e61d4e87b5f2bfde7780e4.exe	29
PID 2348 wrote to memory of 2724	2348	7c08913f28e61d4e87b5f2bfde7780e4.exe	29

C:\Users\Admin\AppData\Local\Temp\7c08913f28e61d4e87b5f2bfde7780e4.exe
"C:\Users\Admin\AppData\Local\Temp\7c08913f28e61d4e87b5f2bfde7780e4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\rund1132.exe
  C:\Windows\rund1132.exe "KILLQQ"
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2724

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7c08913f28e61d4e87b5f2bfde7780e4.jpg

Filesize
2KB

MD5
827d70413e195dc999d2ab425d8710b3

SHA1
fdf84789d7c26b7b5a6cee4d5a1e518dbad29e27

SHA256
429e631274b4a0b831e77da1f427f3367caf164f68aa35e814604b1ea305b412

SHA512
8a7a95f37c8c8c3033bdc05f664cb41156cb3cadaf5e7fa29b9f8baf7f72defabd35e89e2d3896aa846ead992764da8ce4cfb915960e96ac214d3e8f29e58057

Download Submit
C:\Windows\rund1132.exe

Filesize
70KB

MD5
7c08913f28e61d4e87b5f2bfde7780e4

SHA1
4a031c30ba68cae93e15e01ed87a105d08b6e4e3

SHA256
13c2774c0be72fde65990a8103ff941bdd14e223e207e72dfa37c7d3238792a7

SHA512
66f05bd0b12f15853f49c4d6afe346a715f9e70e4a4e6af7795af16a231fce574bd58554c3931b98e087d448ac1a765301f473bd28e37b10ec236dd647f32f7b

Download Submit
memory/2348-3-0x0000000002660000-0x0000000002662000-memory.dmp

Filesize
8KB

Download
memory/2480-4-0x00000000000C0000-0x00000000000C2000-memory.dmp

Filesize
8KB

Download
memory/2480-12-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2480-17-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download