45cfdf58e57165604dac0d03c127f143c3474fe41d2f3c7e11397775ddef198d

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
15/02/2023, 14:59

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General

Target

file.exe
Size

109KB
MD5

3fce78722810e0401bbcc3e4a34f7968
SHA1

94a9a29b18b11c638d2afaa354ba4e977275554d
SHA256

45cfdf58e57165604dac0d03c127f143c3474fe41d2f3c7e11397775ddef198d
SHA512

8f63b89798886c9f350aaafeb9650a923d953c6991f203bea5f27abdc223d43aa6314a9356bd781f3dfa87d83388b6d3c616ad5e6b68e66ccaad7a05147d3dd1
SSDEEP

1536:Xtl+apfNkYJTrgdiPluOcN6IBVQqqTxJHWe2zm4uz5dh3Hkq4/T6dcE19gLIMLme:T/pf9ttcQIToHWef4u136E/gLIML8Y

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zwrpcwpgnqm = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ozdoijutr\\Zwrpcwpgnqm.exe\""	file.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
1684	1404	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1312	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	file.exe
Token: SeDebugPrivilege	1312	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1312	1404	file.exe	28
PID 1404 wrote to memory of 1312	1404	file.exe	28
PID 1404 wrote to memory of 1312	1404	file.exe	28
PID 1404 wrote to memory of 1312	1404	file.exe	28
PID 1404 wrote to memory of 1684	1404	file.exe	30
PID 1404 wrote to memory of 1684	1404	file.exe	30
PID 1404 wrote to memory of 1684	1404	file.exe	30
PID 1404 wrote to memory of 1684	1404	file.exe	30

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 1292
  2⤵
  - Program crash
  PID:1684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1312-60-0x000000006E060000-0x000000006E60B000-memory.dmp

Filesize
5.7MB

Download
memory/1312-61-0x000000006E060000-0x000000006E60B000-memory.dmp

Filesize
5.7MB

Download
memory/1312-62-0x000000006E060000-0x000000006E60B000-memory.dmp

Filesize
5.7MB

Download
memory/1404-54-0x00000000013A0000-0x00000000013C0000-memory.dmp

Filesize
128KB

Download
memory/1404-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1404-56-0x0000000005880000-0x000000000591E000-memory.dmp

Filesize
632KB

Download
memory/1404-57-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download