ecdf3786f6bee5c05a80653ba363e0488d75055537fed083f637cd55242ea835

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 05:13

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General

Target

ecdf3786f6bee5c05a80653ba363e0488d75055537fed083f637cd55242ea835.dll
Size

76KB
MD5

f846c8e3a4c9a743f9724ea34258977b
SHA1

509cf56c163c5a1023a5f80a482867b52667c843
SHA256

ecdf3786f6bee5c05a80653ba363e0488d75055537fed083f637cd55242ea835
SHA512

a80b912e8336edd81901d0cad87173cff2a0ddd309314227ef9c036c8f3c05db2a1ffa7be29a82c9551d5663ed42e3365882a955ddbe6b6d31b14b31d44e5cf8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZOeipc0uw:c8y93KQjy7G55riF1cMo03Hatn

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/984-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/984-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	984	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	984	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 984	2256	rundll32.exe	83
PID 2256 wrote to memory of 984	2256	rundll32.exe	83
PID 2256 wrote to memory of 984	2256	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecdf3786f6bee5c05a80653ba363e0488d75055537fed083f637cd55242ea835.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ecdf3786f6bee5c05a80653ba363e0488d75055537fed083f637cd55242ea835.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 672
    3⤵
    - Program crash
    PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 984 -ip 984
1⤵
PID:4860

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/984-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/984-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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