c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58

Analysis

max time kernel
146s
max time network
177s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 05:15

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General

Target

c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe
Size

27KB
MD5

9137716881a4397f7cf06b90ce0ded9b
SHA1

b4626c7c8b42940cc86750d85504234d3c3b91e4
SHA256

c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58
SHA512

ffef72d07ed35e2bc65f62bc66689ecb6ca1157dd076dba8dd21b34d3766f8e7fa4a8bb3eaa35c8533a7700f91843f3264516504b1d752cecc757d9f5e6bdc0b
SSDEEP

768:YlwyRobUG+c+INdNJUq8agqH2rbJ1ZfXW7V:86I1xcN58agVJ1lWh

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2036	netsh.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Avira	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 2036	1264	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe	28
PID 1264 wrote to memory of 2036	1264	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe	28
PID 1264 wrote to memory of 2036	1264	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe	28
PID 1264 wrote to memory of 2036	1264	c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe	28

C:\Users\Admin\AppData\Local\Temp\c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe
"C:\Users\Admin\AppData\Local\Temp\c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe"
1⤵
- Checks for any installed AV software in registry
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\c31a6057cecb574c1ed56054008925f62e00c307a5f7d9cfac70507ea0c56c58.exe" fihcicqd ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Security Software Discovery

T1063

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1264-54-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

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memory/1264-57-0x0000000000230000-0x0000000000237000-memory.dmp

Filesize
28KB

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