3bf2de5e2a6115dd72e07bb72da67dd5532fbec8b5f2234262f2b01f0676cfae

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 22:52

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General

Target

3bf2de5e2a6115dd72e07bb72da67dd5532fbec8b5f2234262f2b01f0676cfae.dll
Size

76KB
MD5

b50b116c676508e348fc87dec5b9200d
SHA1

fe89540d9db63d4df9fb4ce9384bdac93d290f57
SHA256

3bf2de5e2a6115dd72e07bb72da67dd5532fbec8b5f2234262f2b01f0676cfae
SHA512

bbbf87d47f557340f7e8c730f45ee6d878da351106ca000580421e70f0f8f62c4f9afab21c814dcf1185ef961f95e6862e834323e38a7099264125f8ec2b52a8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZXp9Vw:c8y93KQjy7G55riF1cMo03LU

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/2740-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2740-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4236	2740	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	2740	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2740	2012	rundll32.exe	83
PID 2012 wrote to memory of 2740	2012	rundll32.exe	83
PID 2012 wrote to memory of 2740	2012	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bf2de5e2a6115dd72e07bb72da67dd5532fbec8b5f2234262f2b01f0676cfae.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bf2de5e2a6115dd72e07bb72da67dd5532fbec8b5f2234262f2b01f0676cfae.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 696
    3⤵
    - Program crash
    PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2740 -ip 2740
1⤵
PID:2268

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/2740-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2740-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download