164566305aaca9b3b66403eaeaa5951436bd66f7319d2d0f43b56471786b8dfe

Analysis

max time kernel
85s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 19:55

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General

Target

NEAS.272def73329ce6ec21e0e02921624b00.dll
Size

76KB
MD5

272def73329ce6ec21e0e02921624b00
SHA1

872439fea3618509160367130dea5b342c9929da
SHA256

164566305aaca9b3b66403eaeaa5951436bd66f7319d2d0f43b56471786b8dfe
SHA512

c6ef4aa0a0854ee1b538c30368a8f5959ec2b98fad4127caa13d3c63a124c5693f6bdccfd8e85f6eb8894d539e7905bd97f7c4150ce94d34479cd1c1801bca63
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zv2Ejkne:c8y93KQjy7G55riF1cMo03xFjF

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/4568-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4568-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4528	4568	WerFault.exe	86

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 4568	3056	rundll32.exe	86
PID 3056 wrote to memory of 4568	3056	rundll32.exe	86
PID 3056 wrote to memory of 4568	3056	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.272def73329ce6ec21e0e02921624b00.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.272def73329ce6ec21e0e02921624b00.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 704
    3⤵
    - Program crash
    PID:4528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4568 -ip 4568
1⤵
PID:1632

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/4568-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4568-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download