13c2774c0be72fde65990a8103ff941bdd14e223e207e72dfa37c7d3238792a7

Analysis

max time kernel
122s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-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
1868	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 created	C:\Windows\rund1132.exe	7c08913f28e61d4e87b5f2bfde7780e4.exe
File opened for modification	C:\Windows\rund1132.exe	7c08913f28e61d4e87b5f2bfde7780e4.exe
File opened for modification	C:\Windows\rund1132.exe	rund1132.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1868	rund1132.exe
1868	rund1132.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4820	7c08913f28e61d4e87b5f2bfde7780e4.exe
1868	rund1132.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 1868	4820	7c08913f28e61d4e87b5f2bfde7780e4.exe	88
PID 4820 wrote to memory of 1868	4820	7c08913f28e61d4e87b5f2bfde7780e4.exe	88
PID 4820 wrote to memory of 1868	4820	7c08913f28e61d4e87b5f2bfde7780e4.exe	88

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:4820
- 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:1868

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:\Windows\rund1132.exe

Filesize
70KB

MD5
7c08913f28e61d4e87b5f2bfde7780e4

SHA1
4a031c30ba68cae93e15e01ed87a105d08b6e4e3

SHA256
13c2774c0be72fde65990a8103ff941bdd14e223e207e72dfa37c7d3238792a7

SHA512
66f05bd0b12f15853f49c4d6afe346a715f9e70e4a4e6af7795af16a231fce574bd58554c3931b98e087d448ac1a765301f473bd28e37b10ec236dd647f32f7b

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