a796ed521d25f2f6ecfba00f9a2549d93e0af87b8c01c46493345e73f924a605

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:04

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General

Target

a796ed521d25f2f6ecfba00f9a2549d93e0af87b8c01c46493345e73f924a605.dll
Size

76KB
MD5

df9d3fbf36fa9982993489c93b0a5ccd
SHA1

e55b3ccda5d1dc78bcb5406558840283938a7503
SHA256

a796ed521d25f2f6ecfba00f9a2549d93e0af87b8c01c46493345e73f924a605
SHA512

6cdd9ea2d0dac8fceacf0130edb11e92f4d6524255b3b95244531badfc8b6182502016ae694e8d782aaeecdfa20050cc020ce871ea99fc6f565367bf54da7257
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZmdkZdi6:c8y93KQjy7G55riF1cMo03kkZd7

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/2572-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2572-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1996	2572	WerFault.exe	31

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	2572	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 1664 wrote to memory of 2572	1664	rundll32.exe	31
PID 2572 wrote to memory of 1996	2572	rundll32.exe	32
PID 2572 wrote to memory of 1996	2572	rundll32.exe	32
PID 2572 wrote to memory of 1996	2572	rundll32.exe	32
PID 2572 wrote to memory of 1996	2572	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a796ed521d25f2f6ecfba00f9a2549d93e0af87b8c01c46493345e73f924a605.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a796ed521d25f2f6ecfba00f9a2549d93e0af87b8c01c46493345e73f924a605.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 264
    3⤵
    - Program crash
    PID:1996

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/2572-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2572-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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