df0bc98abac7a2bd91117df1031b87b4bafbb41b00e332445bcb6ec68d16a000

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 03:54

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General

Target
df0bc98abac7a2bd91117df1031b87b4bafbb41b00e332445bcb6ec68d16a000.dll
Size 76KB
Sample241216-egldcavjar
SHA256 df0bc98abac7a2bd91117df1031b87b4bafbb41b00e332445bcb6ec68d16a000
MD5 f4bc9bf5b12669fb01491b695a6f89c1
SHA1 6423a5148e2cac3b56f1c33019f6446f681fab28
SHA512 5421a11a98c9b37708ccae314e9862bb5627f84a6818cbe10dde6be757d292f0cf46463cb4454311857076ba5521f2e298fd9f417cdb3467fcc8250a813f7a6f
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZVUVvvR:c8y93KQjy7G55riF1cMo03k3R
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5112-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5112-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4064	5112	WerFault.exe	82

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	5112	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 5112	2472	rundll32.exe	82
PID 2472 wrote to memory of 5112	2472	rundll32.exe	82
PID 2472 wrote to memory of 5112	2472	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\df0bc98abac7a2bd91117df1031b87b4bafbb41b00e332445bcb6ec68d16a000.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\df0bc98abac7a2bd91117df1031b87b4bafbb41b00e332445bcb6ec68d16a000.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 716
    3⤵
    - Program crash
    PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5112 -ip 5112
1⤵
PID:3592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5112-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/5112-2-0x0000000010000000-0x0000000010030000-memory.dmp