23b04b889fd7edcfe9a2dec0d2f54a9177ea662f605c05c8413f7b95a7714507

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 20:32

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General

Target

23b04b889fd7edcfe9a2dec0d2f54a9177ea662f605c05c8413f7b95a7714507.dll
Size

76KB
MD5

22d19e22bba6754ddc622179915f0cdd
SHA1

94bb41117ec0deab301efa236b20bfe4ad42f476
SHA256

23b04b889fd7edcfe9a2dec0d2f54a9177ea662f605c05c8413f7b95a7714507
SHA512

2bed688d4850793617dc14cea074dc4f2617527a8ed8a3d4cfc0672f820de81c51a380dd5253a596f41fab27ec84a986c76516d8e8f6d50be0a87ae92df2efd4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zpgk2r:c8y93KQjy7G55riF1cMo03nE

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
behavioral1/memory/1700-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1700-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1100	1700	WerFault.exe	30

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	1700	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1972 wrote to memory of 1700	1972	rundll32.exe	30
PID 1700 wrote to memory of 1100	1700	rundll32.exe	31
PID 1700 wrote to memory of 1100	1700	rundll32.exe	31
PID 1700 wrote to memory of 1100	1700	rundll32.exe	31
PID 1700 wrote to memory of 1100	1700	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23b04b889fd7edcfe9a2dec0d2f54a9177ea662f605c05c8413f7b95a7714507.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\23b04b889fd7edcfe9a2dec0d2f54a9177ea662f605c05c8413f7b95a7714507.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 308
    3⤵
    - Program crash
    PID:1100

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/1700-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1700-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download