3bc2ca0d369137587a01838198e826899a4e8e3449006bd9934b532a9463c6fa

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
26-12-2024 21:26

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General

Target

3bc2ca0d369137587a01838198e826899a4e8e3449006bd9934b532a9463c6fa.dll
Size

76KB
MD5

33f21aec2550d0c5bfa3992effd351a4
SHA1

f898b1db235a02207f4a44d59bf53953be767af3
SHA256

3bc2ca0d369137587a01838198e826899a4e8e3449006bd9934b532a9463c6fa
SHA512

499a8419cb4f841296bdc18c2712e01288b5aeb986f1090e3c2b62c4708d8b2d6370ff5196ab8e8e7cbca1c28901397761d6dc55ee561023da76e5c85b5d0899
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZGs9S:c8y93KQjy7G55riF1cMo03Qs9S

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/1288-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1288-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1296	1288	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	1288	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 1288	4508	rundll32.exe	83
PID 4508 wrote to memory of 1288	4508	rundll32.exe	83
PID 4508 wrote to memory of 1288	4508	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc2ca0d369137587a01838198e826899a4e8e3449006bd9934b532a9463c6fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3bc2ca0d369137587a01838198e826899a4e8e3449006bd9934b532a9463c6fa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1288
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 704
    3⤵
    - Program crash
    PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1288 -ip 1288
1⤵
PID:672

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/1288-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1288-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download