646923c67653efcdb73eaf4472d7646e3c8a463de3dd6a7f9e5f899b30dbae17

Analysis

max time kernel
93s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 23:57

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General

Target

646923c67653efcdb73eaf4472d7646e3c8a463de3dd6a7f9e5f899b30dbae17N.dll
Size

76KB
MD5

dee7e371c2354ee7b3e5f95fe2a5cd70
SHA1

ab45ea49924f7d6ebb88c9021b1a4366acc2b5b0
SHA256

646923c67653efcdb73eaf4472d7646e3c8a463de3dd6a7f9e5f899b30dbae17
SHA512

f17a7490bea6c1c4ad7abf96c19e958b1b27483eb0988a1beebcb9f718eb00db6976a33c0541522b1f8a8b4669901f420896cb210d03b49a71bb88bc1a5805e2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9LK2Q0h:c8y93KQjy7G55riF1cMo03jLPTh

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5004-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5004-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3572	5004	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3320 wrote to memory of 5004	3320	rundll32.exe	83
PID 3320 wrote to memory of 5004	3320	rundll32.exe	83
PID 3320 wrote to memory of 5004	3320	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\646923c67653efcdb73eaf4472d7646e3c8a463de3dd6a7f9e5f899b30dbae17N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\646923c67653efcdb73eaf4472d7646e3c8a463de3dd6a7f9e5f899b30dbae17N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 716
    3⤵
    - Program crash
    PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5004 -ip 5004
1⤵
PID:3392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5004-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/5004-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download