34af063525f4ae011c76507934a93d4db79d2283cb5a2e2c41385f23488f7c04

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:12

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General

Target

34af063525f4ae011c76507934a93d4db79d2283cb5a2e2c41385f23488f7c04.dll
Size

76KB
MD5

3d5e6fbd0dc8c756b1479cda7c00a327
SHA1

ab98347ca8ff1aed74acfa6ac2140607f2b6390f
SHA256

34af063525f4ae011c76507934a93d4db79d2283cb5a2e2c41385f23488f7c04
SHA512

e2e7ec6bd9eb1adb23b4501799f37bc3bdd6af9cebc86c87c923646c3f99f5b7e61ada1113c9f08e90f7ba27a22a892bc777fd0664ad68f1e628d0da32b9f532
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZAb0l9:c8y93KQjy7G55riF1cMo03OAl9

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/2516-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2516-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2516-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2080	2516	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	2516	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2388 wrote to memory of 2516	2388	rundll32.exe	30
PID 2516 wrote to memory of 2080	2516	rundll32.exe	31
PID 2516 wrote to memory of 2080	2516	rundll32.exe	31
PID 2516 wrote to memory of 2080	2516	rundll32.exe	31
PID 2516 wrote to memory of 2080	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34af063525f4ae011c76507934a93d4db79d2283cb5a2e2c41385f23488f7c04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34af063525f4ae011c76507934a93d4db79d2283cb5a2e2c41385f23488f7c04.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 308
    3⤵
    - Program crash
    PID:2080

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/2516-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2516-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2516-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download