b6a1301da71d4792c94eeb4e198ecff9cc41275de3f5f59ef28f377e7dd0f991

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 22:28

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General

Target

b6a1301da71d4792c94eeb4e198ecff9cc41275de3f5f59ef28f377e7dd0f991N.dll
Size

76KB
MD5

046110653bd5f38a0176e93389de5050
SHA1

da2873c99ad94dcbdfb4803d85a131df8e360b74
SHA256

b6a1301da71d4792c94eeb4e198ecff9cc41275de3f5f59ef28f377e7dd0f991
SHA512

a116b2944e9ea99e9fe108b39115160f8319e66dcbfdfc0b8ed08d218250637509f695c4d591819207dd54efbd86e2f8cafda7fbe1e5856e037a4a23d33325d3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZynLm3:c8y93KQjy7G55riF1cMo030nLm3

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/4512-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4512-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2084	4512	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	4512	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 4512	1240	rundll32.exe	82
PID 1240 wrote to memory of 4512	1240	rundll32.exe	82
PID 1240 wrote to memory of 4512	1240	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6a1301da71d4792c94eeb4e198ecff9cc41275de3f5f59ef28f377e7dd0f991N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6a1301da71d4792c94eeb4e198ecff9cc41275de3f5f59ef28f377e7dd0f991N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 708
    3⤵
    - Program crash
    PID:2084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4512 -ip 4512
1⤵
PID:4160

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/4512-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4512-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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