8cfdcbcbb0b67c66ebb1c3a4cfb995424a9dc791c13d8df53cea06bcd8c2afef

Analysis

max time kernel
225s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
28-11-2022 12:27

Target

Urgent quote request -pdf-.exe
Size

812KB
MD5

ce411b2f7dfd407c1a546e160193b55d
SHA1

c061262cf1a7999d7ee59694dd0c8bb570987e02
SHA256

8cfdcbcbb0b67c66ebb1c3a4cfb995424a9dc791c13d8df53cea06bcd8c2afef
SHA512

af96c79b2af92840691a777a72e650c0763f0bc20ecd8d1970ac97cdd5048768fbe413dbd7d673f03f53bcace92d517eeb17b9a791c4c29fa4463b6a8c9c51ba
SSDEEP

12288:h2D2DHPXsU51ZM0W52nCrgxRzrzbH3sgGJy3i9zxihIg95lvTHRyoY:Q2DPugfrzbHcFJwIohIgvpjRpY

Score

3^/10

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2000 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

876 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 876 powershell.exe

pid	process
2000	schtasks.exe

pid	process
876	powershell.exe

description	pid	process
Token: SeDebugPrivilege	876	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Urgent quote request -pdf-.exe

description	pid	process	target process
PID 1524 wrote to memory of 876	1524	Urgent quote request -pdf-.exe	powershell.exe
PID 1524 wrote to memory of 876	1524	Urgent quote request -pdf-.exe	powershell.exe
PID 1524 wrote to memory of 876	1524	Urgent quote request -pdf-.exe	powershell.exe
PID 1524 wrote to memory of 876	1524	Urgent quote request -pdf-.exe	powershell.exe
PID 1524 wrote to memory of 2000	1524	Urgent quote request -pdf-.exe	schtasks.exe
PID 1524 wrote to memory of 2000	1524	Urgent quote request -pdf-.exe	schtasks.exe
PID 1524 wrote to memory of 2000	1524	Urgent quote request -pdf-.exe	schtasks.exe
PID 1524 wrote to memory of 2000	1524	Urgent quote request -pdf-.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe
"C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KLDxttbPfKRi.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KLDxttbPfKRi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EB6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2000

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Users\Admin\AppData\Local\Temp\tmp3EB6.tmp

Filesize
1KB

MD5
dc3e58609d6305cdd6befffa52a5c1f7

SHA1
de7b37d4f7496321f25ba91d2bfb54c09797f018

SHA256
ffecca14fbfe416bfe62eab6809e7b36249b7b0daa8b0a366e9942f1801bce43

SHA512
544617a5f66af348317d1cfd6d0033c197d54f921ba7bfc6f4157938610d3c9fc551a3d0e920d9d08684f80227a4d2fbbe1d3130ca2faf7659e9779062341d39

Download Submit
memory/876-59-0x0000000000000000-mapping.dmp

Download
memory/876-63-0x000000006E7F0000-0x000000006ED9B000-memory.dmp

Filesize
5.7MB

Download
memory/876-64-0x000000006E7F0000-0x000000006ED9B000-memory.dmp

Filesize
5.7MB

Download
memory/1524-54-0x0000000000360000-0x0000000000432000-memory.dmp

Filesize
840KB

Download
memory/1524-55-0x0000000076391000-0x0000000076393000-memory.dmp

Filesize
8KB

Download
memory/1524-56-0x0000000000520000-0x0000000000536000-memory.dmp

Filesize
88KB

Download
memory/1524-57-0x00000000006F0000-0x00000000006FE000-memory.dmp

Filesize
56KB

Download
memory/1524-58-0x0000000005EB0000-0x0000000005F1E000-memory.dmp

Filesize
440KB

Download
memory/2000-60-0x0000000000000000-mapping.dmp

Download