a7ca6511d16aa9a8bc6cc248bb778920373173649f0e875dc64a324c0173f454

Analysis

max time kernel
127s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2023 21:19

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General

Target

NEAS.4c33cf5b1c2447a1ee35dce93bd72460.dll
Size

76KB
MD5

4c33cf5b1c2447a1ee35dce93bd72460
SHA1

6f2ab34c5eacdc77a3962fb5291855116e16f51b
SHA256

a7ca6511d16aa9a8bc6cc248bb778920373173649f0e875dc64a324c0173f454
SHA512

d6c4ae51448e2e79c474770aa889e7b5923e10d3e2c6c6c4b690824e76ec53cba090b3cd722d8282a744f6f90b43317c21b3e624772a26a51b3c9b6c7e114acb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZIvjKeytoB5kr:c8y93KQjy7G55riF1cMo03evL5kr

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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5092	1148	WerFault.exe	85

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 1148	4024	rundll32.exe	85
PID 4024 wrote to memory of 1148	4024	rundll32.exe	85
PID 4024 wrote to memory of 1148	4024	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4c33cf5b1c2447a1ee35dce93bd72460.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4c33cf5b1c2447a1ee35dce93bd72460.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 708
    3⤵
    - Program crash
    PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1148 -ip 1148
1⤵
PID:4140

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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download