2782682bd9dff7033dd11066395e8631bdcaee0f5c509828edd0926a3fffa751

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:40

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General

Target

2782682bd9dff7033dd11066395e8631bdcaee0f5c509828edd0926a3fffa751.dll
Size

76KB
MD5

732fa32960f1d46f51bace8bcb8eb8eb
SHA1

330f2b3f97260ffa5d1a040fefdd1c99123db2ec
SHA256

2782682bd9dff7033dd11066395e8631bdcaee0f5c509828edd0926a3fffa751
SHA512

576d2a2e49db1687f8c4d99df3931d9512278fbefe2d997d8a00bbb284ecf3da701703c95daced89d6e89841d069bf10a1fd559878818e46a2d8f0a9ac480b32
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zi5WRLshOF:c8y93KQjy7G55riF1cMo0384sh0

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/4040-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4040-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	4040	WerFault.exe	85

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	4040	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 4040	2600	rundll32.exe	85
PID 2600 wrote to memory of 4040	2600	rundll32.exe	85
PID 2600 wrote to memory of 4040	2600	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2782682bd9dff7033dd11066395e8631bdcaee0f5c509828edd0926a3fffa751.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2782682bd9dff7033dd11066395e8631bdcaee0f5c509828edd0926a3fffa751.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4040 -s 704
    3⤵
    - Program crash
    PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4040 -ip 4040
1⤵
PID:2744

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/4040-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4040-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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