661ae4039182cf4b451fdd7cf7ddae01242d3455f824b5e09ec12a61ae715367

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 23:41

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General

Target

661ae4039182cf4b451fdd7cf7ddae01242d3455f824b5e09ec12a61ae715367.dll
Size

76KB
MD5

2e2970eb1adba35f74f7c87ede386347
SHA1

102e5888e3e979eb52bc8d3b758fe6e0326aec43
SHA256

661ae4039182cf4b451fdd7cf7ddae01242d3455f824b5e09ec12a61ae715367
SHA512

210627570563b597dad2408019b411ea0a698857623a267bad55f56cc5acf7f0171c7f60fbfac1f1a094c36d1f194c69c78c356c559cc79cbe83d2de28b43efa
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZTDr35wMS:c8y93KQjy7G55riF1cMo039Dr32

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/1968-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1968-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1160	1968	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	1968	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 1968	3204	rundll32.exe	83
PID 3204 wrote to memory of 1968	3204	rundll32.exe	83
PID 3204 wrote to memory of 1968	3204	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\661ae4039182cf4b451fdd7cf7ddae01242d3455f824b5e09ec12a61ae715367.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\661ae4039182cf4b451fdd7cf7ddae01242d3455f824b5e09ec12a61ae715367.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 704
    3⤵
    - Program crash
    PID:1160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1968 -ip 1968
1⤵
PID:1084

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/1968-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1968-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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