171b268fd359478d91138cb351d58bf33511cac44515e43dc465a85b2a11ca90

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 07:22

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General

Target

171b268fd359478d91138cb351d58bf33511cac44515e43dc465a85b2a11ca90.dll
Size

76KB
MD5

9a47a50bfed4e66a452fdec3ba5f9a31
SHA1

cd8175ee23de3f9aacb10dbc233440170e40383b
SHA256

171b268fd359478d91138cb351d58bf33511cac44515e43dc465a85b2a11ca90
SHA512

ee74eda4f8ad3a12d93d10e47ea196d1f4ff172a80f69b197bcce63160cd742620327b930d4eada5ecab3d8b761ec0e4cb1c23dcc673086449b8a1a926beb36e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcKkb:c8y93KQjy7G55riF1cMo03KKc

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/1836-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1836-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2452	1836	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	1836	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1840 wrote to memory of 1836	1840	rundll32.exe	30
PID 1836 wrote to memory of 2452	1836	rundll32.exe	31
PID 1836 wrote to memory of 2452	1836	rundll32.exe	31
PID 1836 wrote to memory of 2452	1836	rundll32.exe	31
PID 1836 wrote to memory of 2452	1836	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\171b268fd359478d91138cb351d58bf33511cac44515e43dc465a85b2a11ca90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\171b268fd359478d91138cb351d58bf33511cac44515e43dc465a85b2a11ca90.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1836 -s 328
    3⤵
    - Program crash
    PID:2452

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/1836-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1836-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download