19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 06:25

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General

Target

19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe
Size

1.2MB
MD5

a27cac37dcd72f1736acf681847662f5
SHA1

944c807db3868dd9efbd57e92b58207e1c53bd84
SHA256

19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc
SHA512

5055cc3899855823c6437c085c4698d8179e1e7c6e332f10fccfdcf5e605fe3b7faa6073b9e9218bfd80e3e77a41d469cba7c5a4c3b0af94e66ade6d3549056a
SSDEEP

24576:9MmnDC+rPnAveavusQoiFMJA9u/1olqXefho2Scl7TjFk:9jDCiofupzFMJHNAhLl7Tjy

Score

8^/10

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/3752-132-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral2/memory/3752-134-0x0000000000400000-0x00000000004C9000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3752-134-0x0000000000400000-0x00000000004C9000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3752 set thread context of 5088	3752	19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe	84

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
1644	5088	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3752 wrote to memory of 5088	3752	19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe	84
PID 3752 wrote to memory of 5088	3752	19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe	84
PID 3752 wrote to memory of 5088	3752	19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe	84

C:\Users\Admin\AppData\Local\Temp\19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe
"C:\Users\Admin\AppData\Local\Temp\19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3752
- C:\Users\Admin\AppData\Local\Temp\19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe
  "C:\Users\Admin\AppData\Local\Temp\19efeb9c5a1089a41610cd3cb11ef28fed2e89ad39a5cb391d5ff534741b17cc.exe"
  2⤵
  PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 12
    3⤵
    - Program crash
    PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 5088 -ip 5088
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

Replay Monitor

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Downloads

memory/3752-132-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3752-134-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download