115fc3f79d41e4a5e4ae225d041bc971d72e07b92397a0befa7ccd6e18a597f0

Analysis

max time kernel
96s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 21:12

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General

Target

115fc3f79d41e4a5e4ae225d041bc971d72e07b92397a0befa7ccd6e18a597f0.dll
Size

339KB
MD5

3f57034df964883e0c8632496c1a7d94
SHA1

a9193bc2cacb1808247a0609182eb5bec4c23a35
SHA256

115fc3f79d41e4a5e4ae225d041bc971d72e07b92397a0befa7ccd6e18a597f0
SHA512

a3fa6fa36bc7cfb935bed5c27dfaa57d2f9a3e2d3e82db8549cdb714a9b2b9ca24a16612b72ead5e1ed0a6842f4451dd49b5488f1c37822243895ddad91a7f96
SSDEEP

6144:cb0tEIZDKioPqNuySZ1TCJVsgBEQYHeycBJ6jSvJoU19pkazIAW:cUp5wPEno1TC0pLy36jSvJN1Hv

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2232-0-0x0000000010000000-0x00000000101B6000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
452	2232	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 2232	4700	rundll32.exe	82
PID 4700 wrote to memory of 2232	4700	rundll32.exe	82
PID 4700 wrote to memory of 2232	4700	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\115fc3f79d41e4a5e4ae225d041bc971d72e07b92397a0befa7ccd6e18a597f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\115fc3f79d41e4a5e4ae225d041bc971d72e07b92397a0befa7ccd6e18a597f0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 560
    3⤵
    - Program crash
    PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2232 -ip 2232
1⤵
PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2232-0-0x0000000010000000-0x00000000101B6000-memory.dmp

Filesize
1.7MB

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