a44dc28094725c96a0ed583224e1191f501a88abeceb2a5301ae31fd909bc066

Analysis

max time kernel
138s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2023 19:09

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General

Target

NEAS.2341a28579fd97ced6f7d653be684e40_JC.dll
Size

76KB
MD5

2341a28579fd97ced6f7d653be684e40
SHA1

83078ca90470a22c61440773f30ff14da5687bdf
SHA256

a44dc28094725c96a0ed583224e1191f501a88abeceb2a5301ae31fd909bc066
SHA512

31e2993c3f7c314ff51e2f4db73bcaea2a9ad641a4bc61cd2988545ac8075d2740bab62011697e40830a9aa1ce634311f7652316d738d8735b36b237f6c10152
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZG+MUx/:c8y93KQjy7G55riF1cMo03MW

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
behavioral2/memory/4216-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4216-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
180	4216	WerFault.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 4216	3912	rundll32.exe	84
PID 3912 wrote to memory of 4216	3912	rundll32.exe	84
PID 3912 wrote to memory of 4216	3912	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2341a28579fd97ced6f7d653be684e40_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.2341a28579fd97ced6f7d653be684e40_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 700
    3⤵
    - Program crash
    PID:180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4216 -ip 4216
1⤵
PID:4600

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/4216-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4216-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download