b0dbc552c25c917aed8bbc09cadeab7a2f2a9347b2650f5f7071e9d8333a846a

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 03:46

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General

Target

b0dbc552c25c917aed8bbc09cadeab7a2f2a9347b2650f5f7071e9d8333a846aN.dll
Size

76KB
MD5

12c46898e9650eb4e616e380afd48670
SHA1

26e42bba1c81a8a6de0b4b6c8a18feddec03cdfb
SHA256

b0dbc552c25c917aed8bbc09cadeab7a2f2a9347b2650f5f7071e9d8333a846a
SHA512

d54414d82d89e909a4a821fe7ed43db167099e836f01217eba5e13b8ce533209d46d7d3d4b5a2d647b215454f52cdc4fa6ebe7f96963a666c76f77bfa7a61a48
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z1Ulr3mOKS9O:c8y93KQjy7G55riF1cMo03c3dKS9O

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/3984-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3984-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1416	3984	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	3984	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3984	1936	rundll32.exe	83
PID 1936 wrote to memory of 3984	1936	rundll32.exe	83
PID 1936 wrote to memory of 3984	1936	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0dbc552c25c917aed8bbc09cadeab7a2f2a9347b2650f5f7071e9d8333a846aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0dbc552c25c917aed8bbc09cadeab7a2f2a9347b2650f5f7071e9d8333a846aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 716
    3⤵
    - Program crash
    PID:1416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
1⤵
PID:1916

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

Replay Monitor

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Downloads

memory/3984-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3984-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download