638725e768f51938111d67a314dfbe4bab352add4e18fd98c197bc7c6841c6a4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 04:39

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General

Target

638725e768f51938111d67a314dfbe4bab352add4e18fd98c197bc7c6841c6a4.dll
Size

76KB
MD5

dd8924170da3cb52da1963e2fe48d406
SHA1

aedce67c674909d3bf3b8a5085807153401a08d1
SHA256

638725e768f51938111d67a314dfbe4bab352add4e18fd98c197bc7c6841c6a4
SHA512

a7cd3a24f45954a5fe674228645ba7a6e3ad28a5cccb2d4389330e2dd9b6bfdfc1acee79820e3f2ef640bd6e08cef23dfc89d7ccd96d2677fbc83ab58e5ccc0f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zpie/kcXS:c8y93KQjy7G55riF1cMo03m3

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
behavioral1/memory/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2468	2680	WerFault.exe	30

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	2680	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2524 wrote to memory of 2680	2524	rundll32.exe	30
PID 2680 wrote to memory of 2468	2680	rundll32.exe	31
PID 2680 wrote to memory of 2468	2680	rundll32.exe	31
PID 2680 wrote to memory of 2468	2680	rundll32.exe	31
PID 2680 wrote to memory of 2468	2680	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\638725e768f51938111d67a314dfbe4bab352add4e18fd98c197bc7c6841c6a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\638725e768f51938111d67a314dfbe4bab352add4e18fd98c197bc7c6841c6a4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 232
    3⤵
    - Program crash
    PID:2468

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/2680-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2680-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download