81b5a71963545da6478095a4e2b99c1b25e15337b787cb9c0ee7636a766293a3

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 00:41

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General

Target

NEAS.d8b52ab559f8545f7950f1f3f2a6feb0.dll
Size

76KB
MD5

d8b52ab559f8545f7950f1f3f2a6feb0
SHA1

d0c3964623a7c50d8011c15587f601ad03b2043d
SHA256

81b5a71963545da6478095a4e2b99c1b25e15337b787cb9c0ee7636a766293a3
SHA512

7e07025890552778e500da50225357e3cd0cab795d6df7a25657403dfa84a298eeb18de52fc36d56edf9ea5d53d3972d189ea487c10e6677ee12af064ef22557
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlORw6X:c8y93KQjy7G55riF1cMo03XORw6X

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/1348-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1348-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3116	1348	WerFault.exe	86

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1348	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 1348	4468	rundll32.exe	86
PID 4468 wrote to memory of 1348	4468	rundll32.exe	86
PID 4468 wrote to memory of 1348	4468	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.d8b52ab559f8545f7950f1f3f2a6feb0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.d8b52ab559f8545f7950f1f3f2a6feb0.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 716
    3⤵
    - Program crash
    PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1348 -ip 1348
1⤵
PID:4680

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/1348-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1348-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download