cbb8590782e719543875fd23ec954c277aa6f3b56cc90187077017dbc92571a1

Analysis

max time kernel
21s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 01:19

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General

Target

cbb8590782e719543875fd23ec954c277aa6f3b56cc90187077017dbc92571a1.dll
Size

76KB
MD5

5e7c1b093c570985cf0e0d4f31898b1b
SHA1

7eb4d1a708001a10846e00acd30a9961d26e5a41
SHA256

cbb8590782e719543875fd23ec954c277aa6f3b56cc90187077017dbc92571a1
SHA512

efd7291d2f345e53609ce7a52854777b22a0964853282b6202c87bbe79278e5f22bec8cea4ab3d803bc6d33e621f2c2952ecbb196740f22f45f86383df9bdcfd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwUl:c8y93KQjy7G55riF1cMo03rl

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/2688-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2688-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2836	2688	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	2688	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 1856 wrote to memory of 2688	1856	rundll32.exe	30
PID 2688 wrote to memory of 2836	2688	rundll32.exe	31
PID 2688 wrote to memory of 2836	2688	rundll32.exe	31
PID 2688 wrote to memory of 2836	2688	rundll32.exe	31
PID 2688 wrote to memory of 2836	2688	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbb8590782e719543875fd23ec954c277aa6f3b56cc90187077017dbc92571a1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbb8590782e719543875fd23ec954c277aa6f3b56cc90187077017dbc92571a1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 324
    3⤵
    - Program crash
    PID:2836

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/2688-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2688-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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