f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c

Analysis

max time kernel
92s
max time network
93s
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, 08:32

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General

Target

f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll
Size

76KB
MD5

7bcde66bb0eac3518589bafa3d9b468a
SHA1

86b34bf16f842cfdd56c7b768ea54c55565f8c80
SHA256

f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c
SHA512

e73d703fab9be9a87ecbd9f8388e96c51838dc92f1baecedbdb4502d5f92e74a652dc590f966b92540c59d5c9ec434a139038e1b27b4c291b282009c6e4a3192
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6Y:c8y93KQjy7G55riF1cMo03oY

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/700-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/700-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	700	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	700	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 700	3268	rundll32.exe	83
PID 3268 wrote to memory of 700	3268	rundll32.exe	83
PID 3268 wrote to memory of 700	3268	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:700
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 700
    3⤵
    - Program crash
    PID:320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 700 -ip 700
1⤵
PID:4992

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

Replay Monitor

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Downloads

memory/700-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/700-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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