b9d2d7f277f69354f1b0da40399fa32d6d427864e8332f901aa86adb4eca803c

Analysis

max time kernel
101s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 16:36

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General

Target

b9d2d7f277f69354f1b0da40399fa32d6d427864e8332f901aa86adb4eca803c.dll
Size

76KB
MD5

7eaf174bc6aa8d6c606920b0d3eee6df
SHA1

826a8d0dce7d29a222ad33f0e0685a119f21abfb
SHA256

b9d2d7f277f69354f1b0da40399fa32d6d427864e8332f901aa86adb4eca803c
SHA512

0cf18f2d0d05eac57a01f69083ebdf205caf4f2bccb0869accd81f78561caafc32f853d3b3472eb6cf09e4cb70c6447919806a356f1bef87f56245fb7627310a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1xwHM:c8y93KQjy7G55riF1cMo039EM

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1348-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1348-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3964	1348	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	1348	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1284 wrote to memory of 1348	1284	rundll32.exe	83
PID 1284 wrote to memory of 1348	1284	rundll32.exe	83
PID 1284 wrote to memory of 1348	1284	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d2d7f277f69354f1b0da40399fa32d6d427864e8332f901aa86adb4eca803c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d2d7f277f69354f1b0da40399fa32d6d427864e8332f901aa86adb4eca803c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 696
    3⤵
    - Program crash
    PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1348 -ip 1348
1⤵
PID:3640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/1348-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1348-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download