bdebc0e1380cc85d4f77728d391ada0da4f8a467680d454ed2706f2a08bf327f

Analysis

max time kernel
95s
max time network
96s
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 07:43

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General

Target

bdebc0e1380cc85d4f77728d391ada0da4f8a467680d454ed2706f2a08bf327f.dll
Size

76KB
MD5

1e58b544b616d091e68d5a029486253d
SHA1

d8224798771d5b9575fcc7d1de1c200d1977286b
SHA256

bdebc0e1380cc85d4f77728d391ada0da4f8a467680d454ed2706f2a08bf327f
SHA512

90af45acba9b6c8711893139ce1b5661b817202f7ca563f2fc7a1b914a524a7ad12cbf6b20376cbd12c14f2f6ad823de93ab3461d54bd530ddaa5a2017660d9e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zm0s8A8X5:c8y93KQjy7G55riF1cMo03M0s8Ae5

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/4132-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4132-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4544	4132	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	4132	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4132	3720	rundll32.exe	83
PID 3720 wrote to memory of 4132	3720	rundll32.exe	83
PID 3720 wrote to memory of 4132	3720	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdebc0e1380cc85d4f77728d391ada0da4f8a467680d454ed2706f2a08bf327f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdebc0e1380cc85d4f77728d391ada0da4f8a467680d454ed2706f2a08bf327f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 704
    3⤵
    - Program crash
    PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4132 -ip 4132
1⤵
PID:1684

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/4132-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4132-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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