f634c015cae7fbd46b772ffc6ec506189e7a2c44d66f7f6786d45580daaba62e

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 22:36

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General

Target

f634c015cae7fbd46b772ffc6ec506189e7a2c44d66f7f6786d45580daaba62e.dll
Size

76KB
MD5

577fbb4667f2bff54fab0e2d2ad67bf0
SHA1

434acfaef4a60c8ea435fb1730f75c52c2cd04b3
SHA256

f634c015cae7fbd46b772ffc6ec506189e7a2c44d66f7f6786d45580daaba62e
SHA512

372d106560843f2cb9b85086df6e2af106261d4451ecb86b0616e445fb0f00ca59efcc27a55caec9dcd5ca96c195e8106af6be6a142d3a0fe365053c61f1f603
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5sfQa5PT:c8y93KQjy7G55riF1cMo0338T

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/4704-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4704-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1228	4704	WerFault.exe	82

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	4704	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 4704	3968	rundll32.exe	82
PID 3968 wrote to memory of 4704	3968	rundll32.exe	82
PID 3968 wrote to memory of 4704	3968	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f634c015cae7fbd46b772ffc6ec506189e7a2c44d66f7f6786d45580daaba62e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f634c015cae7fbd46b772ffc6ec506189e7a2c44d66f7f6786d45580daaba62e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 700
    3⤵
    - Program crash
    PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4704 -ip 4704
1⤵
PID:4640

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/4704-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4704-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download