8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

Analysis

max time kernel
190s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 23:21

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General

Target

8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
Size

339KB
MD5

b7ed79baa3588b376737279e74a907d6
SHA1

d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a
SHA256

8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea
SHA512

6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921
SSDEEP

3072:0caUw2aT5H9rxZndLRf1jJXfMGXqaQaqP7NXJj1eQac2ZzFvhbJLwsOj4PPsJWi3:DG1M6TVx

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
524	SMD.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2492	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01c7f33a6f5dfbb94e3dd6b088b7d9a0.exe	SMD.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01c7f33a6f5dfbb94e3dd6b088b7d9a0.exe	SMD.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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01c7f33a6f5dfbb94e3dd6b088b7d9a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SMD.exe\" .."	SMD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\01c7f33a6f5dfbb94e3dd6b088b7d9a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SMD.exe\" .."	SMD.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 36 IoCs

pid	Process
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe
524	SMD.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	524	SMD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 524	2952	8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe	82
PID 2952 wrote to memory of 524	2952	8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe	82
PID 2952 wrote to memory of 524	2952	8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe	82
PID 524 wrote to memory of 2492	524	SMD.exe	83
PID 524 wrote to memory of 2492	524	SMD.exe	83
PID 524 wrote to memory of 2492	524	SMD.exe	83

C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
"C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Roaming\SMD.exe
  "C:\Users\Admin\AppData\Roaming\SMD.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:524
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SMD.exe" "SMD.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2492

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\SMD.exe

Filesize
339KB

MD5
b7ed79baa3588b376737279e74a907d6

SHA1
d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a

SHA256
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

SHA512
6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921

Download Submit
C:\Users\Admin\AppData\Roaming\SMD.exe

Filesize
339KB

MD5
b7ed79baa3588b376737279e74a907d6

SHA1
d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a

SHA256
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea

SHA512
6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921

Download Submit
memory/524-137-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/524-139-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/2952-132-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/2952-136-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download