e4384dd02186304f71d05de9cb75f2337e35c50314813e316b0f3c5dbfa2c7eb

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 04:24

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General

Target

647658ac635d4bd98b5348a66f582519.exe
Size

172KB
MD5

647658ac635d4bd98b5348a66f582519
SHA1

43330d947b691da4acbdde6d1c2ee95bc43b088e
SHA256

e4384dd02186304f71d05de9cb75f2337e35c50314813e316b0f3c5dbfa2c7eb
SHA512

fcc78a166314687d1eb8d01870135c90bef36dfa11c4aff923bed829af7e105ae7281abed1d81dfb6ca06d379169625d05548ab5368cae83958944b8c7863e57
SSDEEP

3072:bvrHkU4GteMTrXIckCqFkt4Msw8AOnVkDT5Y4e:bvjTHTTBtEkt4MPK

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4940	servicem.exe
1448	servicem.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1656-0-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/files/0x000600000002320d-6.dat	upx
behavioral2/memory/1448-11-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/1448-15-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/4940-14-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/1656-16-0x0000000000400000-0x000000000042C000-memory.dmp	upx

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\QQSoftEM = "C:\\Program Files\\Services\\servicem.exe"	servicem.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Services\servicem.exe	647658ac635d4bd98b5348a66f582519.exe
File opened for modification	C:\Program Files\Services\servicem.exe	647658ac635d4bd98b5348a66f582519.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1448	servicem.exe
1448	servicem.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1656	647658ac635d4bd98b5348a66f582519.exe
1656	647658ac635d4bd98b5348a66f582519.exe
1656	647658ac635d4bd98b5348a66f582519.exe
4940	servicem.exe
4940	servicem.exe
4940	servicem.exe
1448	servicem.exe
1448	servicem.exe
1448	servicem.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4940	1656	647658ac635d4bd98b5348a66f582519.exe	89
PID 1656 wrote to memory of 4940	1656	647658ac635d4bd98b5348a66f582519.exe	89
PID 1656 wrote to memory of 4940	1656	647658ac635d4bd98b5348a66f582519.exe	89
PID 4940 wrote to memory of 1448	4940	servicem.exe	90
PID 4940 wrote to memory of 1448	4940	servicem.exe	90
PID 4940 wrote to memory of 1448	4940	servicem.exe	90

C:\Users\Admin\AppData\Local\Temp\647658ac635d4bd98b5348a66f582519.exe
"C:\Users\Admin\AppData\Local\Temp\647658ac635d4bd98b5348a66f582519.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Program Files\Services\servicem.exe
  "C:\Program Files\Services\servicem.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Program Files\Services\servicem.exe
    "C:\Program Files\Services\servicem.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:1448

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\Services\servicem.exe

Filesize
172KB

MD5
647658ac635d4bd98b5348a66f582519

SHA1
43330d947b691da4acbdde6d1c2ee95bc43b088e

SHA256
e4384dd02186304f71d05de9cb75f2337e35c50314813e316b0f3c5dbfa2c7eb

SHA512
fcc78a166314687d1eb8d01870135c90bef36dfa11c4aff923bed829af7e105ae7281abed1d81dfb6ca06d379169625d05548ab5368cae83958944b8c7863e57

Download Submit
memory/1448-11-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1448-15-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1656-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1656-16-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4940-14-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download