c6cfb2fa3c42149098c0ce6eb37e8a829dd89230f04f18b16eb00bd32b7a7372

Analysis

max time kernel
133s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 04:28

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General

Target
c6cfb2fa3c42149098c0ce6eb37e8a829dd89230f04f18b16eb00bd32b7a7372.dll
Size 76KB
Sample240818-e3y7bsybkj
SHA256 c6cfb2fa3c42149098c0ce6eb37e8a829dd89230f04f18b16eb00bd32b7a7372
MD5 1ee5997cfe28fe6fd9c2eb19814376bb
SHA1 93a04105e4afcc5dc82fe1627383d410aacc8fbc
SHA512 c5552db170fd9331e16ef2aca10e67bc1d626f8a8dd4071e5d956a3d549bea547488e35e6985ca75c89c0fa7f6a7bb5d531f1d50950d683f11c263ef66d07921
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZkMG:c8y93KQjy7G55riF1cMo031G
MD5 SHA1 SHA512 SSDEEP

Score

7^/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/1300-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1300-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
752	1300	WerFault.exe	84

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	1300	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 1300	3888	rundll32.exe	84
PID 3888 wrote to memory of 1300	3888	rundll32.exe	84
PID 3888 wrote to memory of 1300	3888	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6cfb2fa3c42149098c0ce6eb37e8a829dd89230f04f18b16eb00bd32b7a7372.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6cfb2fa3c42149098c0ce6eb37e8a829dd89230f04f18b16eb00bd32b7a7372.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1300 -s 704
    3⤵
    - Program crash
    PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1300 -ip 1300
1⤵
PID:972

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/1300-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1300-2-0x0000000010000000-0x0000000010030000-memory.dmp