37a9dd29077ea6290cb9668cdff00a6fb1e38ce1baf1fdbdd69b8c73802946c4

Analysis

max time kernel
93s
max time network
94s
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 04:48

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General

Target

37a9dd29077ea6290cb9668cdff00a6fb1e38ce1baf1fdbdd69b8c73802946c4.dll
Size

76KB
MD5

c855e225a2e44c9c8dba78f8238a76c2
SHA1

bd7d8ea142d566346290ed43284765441ab29203
SHA256

37a9dd29077ea6290cb9668cdff00a6fb1e38ce1baf1fdbdd69b8c73802946c4
SHA512

5d9b36e03a7afe01ddf603a09ba4411b330e83fc3e9cc55f1b3efecd10b15dd1fa5cf7c8a27e911357e031abea599ec87d3a64638c5b7a3fb496fe38eba48c90
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZP/si+:c8y93KQjy7G55riF1cMo03xsj

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/1632-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1632-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3368	1632	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	1632	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83
PID 2260 wrote to memory of 1632	2260	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37a9dd29077ea6290cb9668cdff00a6fb1e38ce1baf1fdbdd69b8c73802946c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\37a9dd29077ea6290cb9668cdff00a6fb1e38ce1baf1fdbdd69b8c73802946c4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 712
    3⤵
    - Program crash
    PID:3368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1632 -ip 1632
1⤵
PID:1112

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/1632-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1632-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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