3bbdb6413876da329950cd52f0d63be81b77e4c326c9ea62602ea822b9758b27

Analysis

max time kernel
95s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 11:46

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General

Target

3bbdb6413876da329950cd52f0d63be81b77e4c326c9ea62602ea822b9758b27.dll
Size

76KB
MD5

3ada042ca34af3ce7208f693327b028d
SHA1

32e76e5b262e6f6ccf73c6190ffe310bf8ca037b
SHA256

3bbdb6413876da329950cd52f0d63be81b77e4c326c9ea62602ea822b9758b27
SHA512

b0d18c13d32483e5ba708b9415f46ce7b4ed00e8d4a88444c18bebffb45cb6a5b2b49b20a001a5c97582758579d56f49d0efb2556f647d3d7bd97476beb52c78
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwH++HP:c8y93KQjy7G55riF1cMo03o+eP

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/1736-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1736-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4592	1736	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	1736	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 1736	2664	rundll32.exe	84
PID 2664 wrote to memory of 1736	2664	rundll32.exe	84
PID 2664 wrote to memory of 1736	2664	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbdb6413876da329950cd52f0d63be81b77e4c326c9ea62602ea822b9758b27.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bbdb6413876da329950cd52f0d63be81b77e4c326c9ea62602ea822b9758b27.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 716
    3⤵
    - Program crash
    PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1736 -ip 1736
1⤵
PID:3100

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/1736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1736-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download