c33b9ec402cd2825c3ab81225b4d83100e1062e2bdcbd245a6fcd17bcc39b87b

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 04:17

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General

Target

c33b9ec402cd2825c3ab81225b4d83100e1062e2bdcbd245a6fcd17bcc39b87b.dll
Size

76KB
MD5

25845f1feaf03ca5c9eac57c65c42eb4
SHA1

949a9e793fa4409d1fa1dc47ef1ee2eb9bcad16d
SHA256

c33b9ec402cd2825c3ab81225b4d83100e1062e2bdcbd245a6fcd17bcc39b87b
SHA512

f67adf56bd78219b3d4c67d466736931d48f9047ef9b51e376d15e404bc61ba447dbef9958a1028e97080ffa936685ab8ec6a304045837dbe0876675ad020b03
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zyfd9g:c8y93KQjy7G55riF1cMo03IfA

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/60-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/60-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	60	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	60	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 60	3384	rundll32.exe	83
PID 3384 wrote to memory of 60	3384	rundll32.exe	83
PID 3384 wrote to memory of 60	3384	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33b9ec402cd2825c3ab81225b4d83100e1062e2bdcbd245a6fcd17bcc39b87b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33b9ec402cd2825c3ab81225b4d83100e1062e2bdcbd245a6fcd17bcc39b87b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:60
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 704
    3⤵
    - Program crash
    PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 60 -ip 60
1⤵
PID:1200

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/60-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/60-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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