8c924df35d33b0b12c40ffa91e8b379e53fe52316e962b284d8bb768cd1673b1

Analysis

max time kernel
118s
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 02:32

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General

Target

8c924df35d33b0b12c40ffa91e8b379e53fe52316e962b284d8bb768cd1673b1.dll
Size

76KB
MD5

90c53c148e0cf449a609ee6270ff77c8
SHA1

2f76a8540129703568ef8dd7fa2a3024f4b29318
SHA256

8c924df35d33b0b12c40ffa91e8b379e53fe52316e962b284d8bb768cd1673b1
SHA512

6b5fb1b2d28ff84352d88c2603b7dcd05bb7ee97302963fdde4356a21b2d503c73ffa858ba4d834e8838730ab617c2034dbd494c36371639fb5ee7463a52a776
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZsYqsWMcdA:c8y93KQjy7G55riF1cMo036pA

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2452-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2452-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2452-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2652	2452	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	2452	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2324 wrote to memory of 2452	2324	rundll32.exe	31
PID 2452 wrote to memory of 2652	2452	rundll32.exe	32
PID 2452 wrote to memory of 2652	2452	rundll32.exe	32
PID 2452 wrote to memory of 2652	2452	rundll32.exe	32
PID 2452 wrote to memory of 2652	2452	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c924df35d33b0b12c40ffa91e8b379e53fe52316e962b284d8bb768cd1673b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c924df35d33b0b12c40ffa91e8b379e53fe52316e962b284d8bb768cd1673b1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 232
    3⤵
    - Program crash
    PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2452-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2452-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2452-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2452-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download