ac0a1e31e0245e092285a37ee90c39021f14a0b2923ec6bdcc98715d78e43763

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 12:02

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General

Target

ac0a1e31e0245e092285a37ee90c39021f14a0b2923ec6bdcc98715d78e43763N.dll
Size

76KB
MD5

2affa85bea193c7ee2a3b067fb2d33b0
SHA1

da1ad3ad01ec427d87778490de9d13a9bef23dbd
SHA256

ac0a1e31e0245e092285a37ee90c39021f14a0b2923ec6bdcc98715d78e43763
SHA512

2c55c5afeba6c91ba5111f7a32c9a893afab16a2def147816dc0312afa64d64ac7de3296adbfd9976bc9dd839dfc6b084d8750d9c13c241bbea6d41a06748bad
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2cMAoSH:c8y93KQjy7G55riF1cMo03E7u

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/3304-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3304-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
732	3304	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	3304	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 3304	4068	rundll32.exe	83
PID 4068 wrote to memory of 3304	4068	rundll32.exe	83
PID 4068 wrote to memory of 3304	4068	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac0a1e31e0245e092285a37ee90c39021f14a0b2923ec6bdcc98715d78e43763N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac0a1e31e0245e092285a37ee90c39021f14a0b2923ec6bdcc98715d78e43763N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 696
    3⤵
    - Program crash
    PID:732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3304 -ip 3304
1⤵
PID:708

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/3304-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3304-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download