1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2024, 16:31

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General

Target

1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll
Size

76KB
MD5

b7257e366383e679d19968fc4c418991
SHA1

a91ef28bbaa6c124d07cc7c9bf86eb1aee07a1d6
SHA256

1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0
SHA512

c1109797686062aff8a7eb8d5228e3ae1d8668ef5d0e49a424b2280fd321368e7170ee17ce861a663c77ef0c1f46232e013681f3e9b868e1d9fa457a3ca0a64f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJ:c8y93KQjy7G55riF1cMo03f

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 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/456-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/456-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3428	456	WerFault.exe	83

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	456	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 456	2840	rundll32.exe	83
PID 2840 wrote to memory of 456	2840	rundll32.exe	83
PID 2840 wrote to memory of 456	2840	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 712
    3⤵
    - Program crash
    PID:3428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 456 -ip 456
1⤵
PID:4544

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

Replay Monitor

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Downloads

memory/456-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/456-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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