f17c0afc30175c283b7465b89c9b45a188df12cdae446b65396353296c8db0ca

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 03:20

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General

Target

$TEMP/qwerty.dll
Size

75KB
MD5

cca14bdf86edbfa408f1fc7dae29203d
SHA1

b6f9e50f93c5212d3785d634e1ff92c227537312
SHA256

6bdc20e04fc1b14678c8a8ed8ff66b6a52a7bf76de8b573d269cd41d095f10dc
SHA512

58e3e22f0fff2a96ab714c1d1004fdfb69528c8f0c314d9d9b15a18e2e1d5d78e0769e1fabd222f81b52207bb4e74aac80800d4c6856d94e381e31f9c5e01a85
SSDEEP

768:uMdb42tYmhNz1GkJa15ZezD4jAfCUlsCSB2izLF9L6mPmrEamU2oy8K9wPFd5EbO:hfdwX15Zef4Sy1BnLLurbTy6MUlN2b96

Score

7^/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
behavioral4/memory/4720-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	4720	WerFault.exe	84

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 880 wrote to memory of 4720	880	rundll32.exe	84
PID 880 wrote to memory of 4720	880	rundll32.exe	84
PID 880 wrote to memory of 4720	880	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\qwerty.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\qwerty.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 584
    3⤵
    - Program crash
    PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4720 -ip 4720
1⤵
PID:1552

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/4720-1-0x00000000011B0000-0x00000000011B2000-memory.dmp

Filesize
8KB

Download
memory/4720-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download