7fe6799ea4ffd5af76a7fbe90b70b1033b80741e6356c010df5c96572e39ce28

Analysis

max time kernel
140s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
17/09/2023, 16:33

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General

Target

040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll
Size

76KB
MD5

040ab86c46bcf0c5b1357fc2e56fdb20
SHA1

ad8da47943fbf76f0ebf5310292ea675ff3a48a7
SHA256

7fe6799ea4ffd5af76a7fbe90b70b1033b80741e6356c010df5c96572e39ce28
SHA512

e9b02786602da83bc5209f8d8f66aa057f04152a3ccf9a8d42f1ee2585ccde6677cf00bb7ed499add14ca20c6c6fc2d40f2e06df64e669f53b704239bdce3d5a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z7FaC/F:c8y93KQjy7G55riF1cMo03jT/F

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

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2796-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2796-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2160	2796	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2600 wrote to memory of 2796	2600	rundll32.exe	28
PID 2796 wrote to memory of 2160	2796	rundll32.exe	29
PID 2796 wrote to memory of 2160	2796	rundll32.exe	29
PID 2796 wrote to memory of 2160	2796	rundll32.exe	29
PID 2796 wrote to memory of 2160	2796	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\040ab86c46bcf0c5b1357fc2e56fdb20_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 332
    3⤵
    - Program crash
    PID:2160

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

memory/2796-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2796-2-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2796-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download