cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7

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
18-09-2022 23:00

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General

Target

cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe
Size

10KB
MD5

9e62a82709d4df9afbe188b2c645e8db
SHA1

d73c739f4158c0c640d21d54d4bd8e19d281bc38
SHA256

cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7
SHA512

584e5f087eb5e339941ab64cb87f15c36e70df894ba10e15a678295945e65d70223d77bdee21d8a5e9129fdbf69d89827177266f46b20c3b2d6f9a332c0d6048
SSDEEP

192:RuWsSXm7DcyUjOEa5MAFiiGDevnXgeiUIwIGmMe4p53qaI+R1F12IA2eG4sGjZrD:RuWtmPcyUjHa57sMvnXzIJGmF0AbzZ3P

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\F1B4E7A2\ImagePath = "C:\\Windows\\system32\\10A973.EXE -d"	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe

Deletes itself 1 IoCs

pid	Process
1752	cmd.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\10A973.EXE	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1752	1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe	28
PID 1920 wrote to memory of 1752	1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe	28
PID 1920 wrote to memory of 1752	1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe	28
PID 1920 wrote to memory of 1752	1920	cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe	28

C:\Users\Admin\AppData\Local\Temp\cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe
"C:\Users\Admin\AppData\Local\Temp\cfd5cb0235efa4d4b562b923523fec711983b69107c51d5d3214b5a8f21b7df7.exe"
1⤵
- Sets service image path in registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\CFD5CB~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1752

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

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Downloads

memory/1920-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1920-55-0x0000000074E81000-0x0000000074E83000-memory.dmp

Filesize
8KB

Download