90806e6271efe0b09bc0ca47eda7c4a9fd57ca0ecfd453d447f9089e4edec660

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 22:57

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General

Target

90806e6271efe0b09bc0ca47eda7c4a9fd57ca0ecfd453d447f9089e4edec660.dll
Size

76KB
MD5

dc8c6385af453c93f732b5a70be54d6f
SHA1

65dbaa6d79376a9626b9bf6840ed8a42f8abd9b5
SHA256

90806e6271efe0b09bc0ca47eda7c4a9fd57ca0ecfd453d447f9089e4edec660
SHA512

75f12e3946ba8a1e508c21f0e74658bb116b7ed6546285fd907c808dcc57cab3c45eb443488ea2ba334441e1e17c83feb46e11ac9a18a3661a91d12fe601955c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcmoOY:c8y93KQjy7G55riF1cMo03aOY

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/2084-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2084-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1540	2084	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	2084	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 2084	1136	rundll32.exe	83
PID 1136 wrote to memory of 2084	1136	rundll32.exe	83
PID 1136 wrote to memory of 2084	1136	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\90806e6271efe0b09bc0ca47eda7c4a9fd57ca0ecfd453d447f9089e4edec660.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\90806e6271efe0b09bc0ca47eda7c4a9fd57ca0ecfd453d447f9089e4edec660.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 712
    3⤵
    - Program crash
    PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2084 -ip 2084
1⤵
PID:4824

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/2084-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2084-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download