817d2bc686eef06919a5e7132b7fdcbcc445a11fc3bbcdb715fc641e3a636bf3

Analysis

max time kernel
12s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 23:12

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General

Target

51e0fce7476092a3a0eb71136251e526.exe
Size

14KB
MD5

51e0fce7476092a3a0eb71136251e526
SHA1

a911bfe675df4165877001c6ffc3e270b49d0a9e
SHA256

817d2bc686eef06919a5e7132b7fdcbcc445a11fc3bbcdb715fc641e3a636bf3
SHA512

331579aaf1081e514b30dfe696867059022089cb5b2077bc6b42e97465a983a5a339a6e71fdfe150800d285faf7e756254567da717e9afe55ed1967914c566ed
SSDEEP

384:aVDrfhSaIrKfFloDV6n/gtkWPwauQmtxMs:atrfBsSCDa/+R4

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
1744	zongximk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1568-0-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/files/0x0007000000023200-5.dat	upx
behavioral2/memory/1744-7-0x0000000000400000-0x0000000000411000-memory.dmp	upx
behavioral2/memory/1568-6-0x0000000000400000-0x0000000000411000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\zongxim.dll	51e0fce7476092a3a0eb71136251e526.exe
File created	C:\Windows\SysWOW64\zongximk.exe	51e0fce7476092a3a0eb71136251e526.exe
File opened for modification	C:\Windows\SysWOW64\zongximk.exe	51e0fce7476092a3a0eb71136251e526.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 1744	1568	51e0fce7476092a3a0eb71136251e526.exe	27
PID 1568 wrote to memory of 1744	1568	51e0fce7476092a3a0eb71136251e526.exe	27
PID 1568 wrote to memory of 1744	1568	51e0fce7476092a3a0eb71136251e526.exe	27

C:\Users\Admin\AppData\Local\Temp\51e0fce7476092a3a0eb71136251e526.exe
"C:\Users\Admin\AppData\Local\Temp\51e0fce7476092a3a0eb71136251e526.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Windows\SysWOW64\zongximk.exe
  C:\Windows\system32\zongximk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1744
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\51e0fce7476092a3a0eb71136251e526.exe.bat
  2⤵
  PID:660

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\51e0fce7476092a3a0eb71136251e526.exe.bat

Filesize
182B

MD5
b7d7b38b92ebd996745bea90b0fadbfc

SHA1
9e2bbd9e9b6832dd609c043b923fca2da1265609

SHA256
abe56a5e019232de34122c617e65d18b3be6e1ed17679a37726a44fc1e428959

SHA512
7d795efecde44de25bc463b95db22914d9d3317a39315c5bf84ab0d1a3b40c401ade623dc8e142944a611bc609714d82018c66d3f25da840bd0bb9f25eb8fee4

Download Submit
C:\Windows\SysWOW64\zongximk.exe

Filesize
14KB

MD5
51e0fce7476092a3a0eb71136251e526

SHA1
a911bfe675df4165877001c6ffc3e270b49d0a9e

SHA256
817d2bc686eef06919a5e7132b7fdcbcc445a11fc3bbcdb715fc641e3a636bf3

SHA512
331579aaf1081e514b30dfe696867059022089cb5b2077bc6b42e97465a983a5a339a6e71fdfe150800d285faf7e756254567da717e9afe55ed1967914c566ed

Download Submit
memory/1568-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1568-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/1744-7-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download