44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3

Analysis

max time kernel
93s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 15:55

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General

Target

44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe
Size

1.1MB
MD5

e7fb526ce85cba406d5d63268ff47bd2
SHA1

fdc08649dec49284ba548657f023e09fa9e5bf65
SHA256

44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3
SHA512

dd3e7dab56ef36ec13fd5709418c98ffcf95c870d4636ada89b8b172f4d292564f26ddf9ae037418f017632353d925ccc7be32af393b013b975c356368d92481
SSDEEP

24576:ctAR9+M9us5wfylWh5JWJ8k1h2PpsA7sZUkyxUKf91bdJJmpX9jy:ctAR9Nn6/Z0kxUClJcply

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5072-132-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/5072-133-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/5072-135-0x0000000000400000-0x00000000004B4000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/5072-133-0x0000000000400000-0x00000000004B4000-memory.dmp	autoit_exe
behavioral2/memory/5072-135-0x0000000000400000-0x00000000004B4000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 4992	5072	44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3624	4992	WerFault.exe	80

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 4992	5072	44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe	80
PID 5072 wrote to memory of 4992	5072	44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe	80
PID 5072 wrote to memory of 4992	5072	44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe	80

C:\Users\Admin\AppData\Local\Temp\44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe
"C:\Users\Admin\AppData\Local\Temp\44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe
  "C:\Users\Admin\AppData\Local\Temp\44909f7da0a4804f51477e81d82e175abe262b250828b31584e2478be0d697d3.exe"
  2⤵
  PID:4992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 12
    3⤵
    - Program crash
    PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4992 -ip 4992
1⤵
PID:4936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5072-132-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/5072-133-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/5072-135-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download