5bdc0f75a9f85a09d9e656d5a9b2ddc21022ca78800545662a46b55a6f3e4200

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 20:12

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General

Target

【GM工具】/cjson.dll
Size

20KB
MD5

8726130a7964b1e1eb3defdfd1188754
SHA1

c888acf5b70425b7fce49d0219fd4ba070a67fc4
SHA256

2e0e14aabb5fc44d258957c34dd74b4957dfc4ae5603f76bc2263c87e9111ba2
SHA512

c9e00c516d11a791b8bd610eed078628f930d5218edd6004f2cde2e72cdfd4c422b6d2ee1fa01b55e1ff49284b9eb6cb28887b1b1ccb57824c9069d369737dbc
SSDEEP

384:3Evis/ZxucvM0eapY9qu8ufDyFtUnPVHxKN:xiIcvM0eaa9yufDbnd

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral7/memory/2424-0-0x0000000074DE0000-0x0000000074E3B000-memory.dmp	upx
behavioral7/memory/2424-1-0x0000000074DE0000-0x0000000074E3B000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2400	2424	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2276 wrote to memory of 2424	2276	rundll32.exe	28
PID 2424 wrote to memory of 2400	2424	rundll32.exe	29
PID 2424 wrote to memory of 2400	2424	rundll32.exe	29
PID 2424 wrote to memory of 2400	2424	rundll32.exe	29
PID 2424 wrote to memory of 2400	2424	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\cjson.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\【GM工具】\cjson.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 220
    3⤵
    - Program crash
    PID:2400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2424-0-0x0000000074DE0000-0x0000000074E3B000-memory.dmp

Filesize
364KB

Download
memory/2424-1-0x0000000074DE0000-0x0000000074E3B000-memory.dmp

Filesize
364KB

Download