49a3198c534f2030b34640a6e26ea685d95d074f35238da9bb2585ede38cc6c1

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
21-01-2025 04:19

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General

Target

49a3198c534f2030b34640a6e26ea685d95d074f35238da9bb2585ede38cc6c1N.dll
Size

76KB
MD5

a6487059c93f632371e43e38e3839830
SHA1

12b2c6deb730aeac1d700e006783e446a34369bb
SHA256

49a3198c534f2030b34640a6e26ea685d95d074f35238da9bb2585ede38cc6c1
SHA512

e15169af04c6deb4c1c4fde99a475dd681e627db8e5eeb4e633c432047a954ac4c35c6fc89f061b32b3f11bd46a8638a9a3473921667c9109a635a645479cc3f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZbbNOHR6r:c8y93KQjy7G55riF1cMo03J0H4r

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/4916-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4916-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	4916	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	4916	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 4916	3192	rundll32.exe	83
PID 3192 wrote to memory of 4916	3192	rundll32.exe	83
PID 3192 wrote to memory of 4916	3192	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49a3198c534f2030b34640a6e26ea685d95d074f35238da9bb2585ede38cc6c1N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\49a3198c534f2030b34640a6e26ea685d95d074f35238da9bb2585ede38cc6c1N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 704
    3⤵
    - Program crash
    PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916
1⤵
PID:4792

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/4916-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4916-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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