3f2a2868dbbeade1aba61a680a901d9a89f6925f162939c6f30535c177100e4e

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 17:12

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General

Target

3f2a2868dbbeade1aba61a680a901d9a89f6925f162939c6f30535c177100e4eN.dll
Size

76KB
MD5

a729704b9101d805e95f5d1d9efb2fd0
SHA1

883ef3869543e75eec7db9a27a77db1b13618e45
SHA256

3f2a2868dbbeade1aba61a680a901d9a89f6925f162939c6f30535c177100e4e
SHA512

7c5ee548d9235321f791e4ad1cb6aac505500b23e6566d275a51d65c34b0a71c3342ba50747fed2248d54207052852bc277c68f4e130d70ca756cf818cdac58e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZnQKy:c8y93KQjy7G55riF1cMo03ez

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/4620-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4620-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3564	4620	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	4620	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 4620	1340	rundll32.exe	83
PID 1340 wrote to memory of 4620	1340	rundll32.exe	83
PID 1340 wrote to memory of 4620	1340	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f2a2868dbbeade1aba61a680a901d9a89f6925f162939c6f30535c177100e4eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f2a2868dbbeade1aba61a680a901d9a89f6925f162939c6f30535c177100e4eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 700
    3⤵
    - Program crash
    PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4620 -ip 4620
1⤵
PID:3712

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/4620-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4620-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download