2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30

Analysis

max time kernel
159s
max time network
154s
platform
windows7_x64
resource
win7-20220414-en
submitted
14-06-2022 23:08

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General

Target

2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe
Size

1.5MB
MD5

5ee1227e20fe723538b50b7025ee546e
SHA1

21bdb503540c936fe3d0e5a06b8505f8aaaf9f28
SHA256

2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30
SHA512

0804de2124b34e627541d2485670af87bafc3418b90546d252d6379d37059635b4fadb27c83f0eebaa50f001bcdac215f217d095ac8c1eded971dab753b89e08

Score

10^/10

evasion suricata

Malware Config

Signatures

suricata: ET MALWARE Legion Loader Activity Observed (suspira)
suricata: ET MALWARE Legion Loader Activity Observed (suspira)
suricata

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe

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
832	1700	WerFault.exe	6

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1700	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 832	1700	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe	29
PID 1700 wrote to memory of 832	1700	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe	29
PID 1700 wrote to memory of 832	1700	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe	29
PID 1700 wrote to memory of 832	1700	2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe	29

C:\Users\Admin\AppData\Local\Temp\2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe
"C:\Users\Admin\AppData\Local\Temp\2c5266c1053b343bcbd38d7bbfbf4a3b0be3d40b8f57320bed91b5ac26dacf30.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VMWare Tools registry key
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 788
  2⤵
  - Program crash
  PID:832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1700-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

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