daa8802270996f3d7b4835fd9fba42da054ad1a58403854c0f86b0666c631ac1

Analysis

max time kernel
151s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 11:26

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General

Target

106.exe
Size

332KB
MD5

67abb102366bd7c06300496c3d630936
SHA1

718c01cea0371b44fd086903065202961c8835fe
SHA256

683e8a62cbd58fbf1b0fff4a232d953768b50edf484c42bda1bdab5a4291d662
SHA512

ee85cbce1b91fae3aa757c771d558997c4a6e41c12b623261d8ec4ea9c1df10d8318be73617f0b5125f21b88522616cc258991b6b700a5eddb7263442f1613fa
SSDEEP

3072:+yNx6ONRoVtNChz/3VqDd3+YKYkbrtFVCZODEBcGnsgq/fTQdHYivQZ6g3/s3PMB:HNxjeN8/4kYkoL

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1680	system.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
332	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1204	106.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.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 16 IoCs

pid	Process
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe
1680	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	system.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 1680	1204	106.exe	27
PID 1204 wrote to memory of 1680	1204	106.exe	27
PID 1204 wrote to memory of 1680	1204	106.exe	27
PID 1204 wrote to memory of 1680	1204	106.exe	27
PID 1680 wrote to memory of 332	1680	system.exe	28
PID 1680 wrote to memory of 332	1680	system.exe	28
PID 1680 wrote to memory of 332	1680	system.exe	28
PID 1680 wrote to memory of 332	1680	system.exe	28

C:\Users\Admin\AppData\Local\Temp\106.exe
"C:\Users\Admin\AppData\Local\Temp\106.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1680
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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

C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
332KB

MD5
67abb102366bd7c06300496c3d630936

SHA1
718c01cea0371b44fd086903065202961c8835fe

SHA256
683e8a62cbd58fbf1b0fff4a232d953768b50edf484c42bda1bdab5a4291d662

SHA512
ee85cbce1b91fae3aa757c771d558997c4a6e41c12b623261d8ec4ea9c1df10d8318be73617f0b5125f21b88522616cc258991b6b700a5eddb7263442f1613fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\system.exe

Filesize
332KB

MD5
67abb102366bd7c06300496c3d630936

SHA1
718c01cea0371b44fd086903065202961c8835fe

SHA256
683e8a62cbd58fbf1b0fff4a232d953768b50edf484c42bda1bdab5a4291d662

SHA512
ee85cbce1b91fae3aa757c771d558997c4a6e41c12b623261d8ec4ea9c1df10d8318be73617f0b5125f21b88522616cc258991b6b700a5eddb7263442f1613fa

Download Submit
\Users\Admin\AppData\Local\Temp\system.exe

Filesize
332KB

MD5
67abb102366bd7c06300496c3d630936

SHA1
718c01cea0371b44fd086903065202961c8835fe

SHA256
683e8a62cbd58fbf1b0fff4a232d953768b50edf484c42bda1bdab5a4291d662

SHA512
ee85cbce1b91fae3aa757c771d558997c4a6e41c12b623261d8ec4ea9c1df10d8318be73617f0b5125f21b88522616cc258991b6b700a5eddb7263442f1613fa

Download Submit
memory/1204-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1204-55-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1204-61-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1680-62-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download
memory/1680-65-0x0000000074030000-0x00000000745DB000-memory.dmp

Filesize
5.7MB

Download