f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487d

Analysis

max time kernel
93s
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
03/01/2025, 14:55

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General

Target

f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll
Size

76KB
MD5

8b5982e6505c6d28615fffb4535725b0
SHA1

0e847a06f928472c7445ac851805b1826e8a659a
SHA256

f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487d
SHA512

231a3393bb4a889ae61b03d7002cbe8c26859ff3196b83d7445d823543357fad5264a90acf4f962b8db831d4aae904eda4830a9ca030deda953eb01eb195d96a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zt:c8y93KQjy7G55riF1cMo03r

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/524-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/524-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5060	524	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	524	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 524	892	rundll32.exe	83
PID 892 wrote to memory of 524	892	rundll32.exe	83
PID 892 wrote to memory of 524	892	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1ecb3c2e492bf7a220afb4d4f9ecd606323e28761be0fca6f49b6845061487dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 712
    3⤵
    - Program crash
    PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 524 -ip 524
1⤵
PID:2912

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/524-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/524-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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