b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e

Analysis

max time kernel
200s
max time network
216s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 18:22

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General

Target

b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe
Size

43KB
MD5

0c2023377ffd106600e44cc0a8a35fe0
SHA1

2e7247d48d39c9a361bcd1ce6f7564d4b941db61
SHA256

b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e
SHA512

929aa0972a512cbd5aaae94d9c6ab4bc0e9f9bc14cc156d363ed902c491e8fb50d792c434b73e1ab5b3f1ebf29db7a08fa7eb4f6e5e0299c800459b98543f895
SSDEEP

768:Sg7nd8qhYz3S228PmrW96Te2+p581R6HkjHXeqvtK1EX0b1jjQNNu3HHCCjPkar6:3m6Hh0s5WFPQQHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3772	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3404	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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 27 IoCs

pid	Process
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe
3772	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3772	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 3772	3744	b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe	84
PID 3744 wrote to memory of 3772	3744	b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe	84
PID 3744 wrote to memory of 3772	3744	b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe	84
PID 3772 wrote to memory of 3404	3772	Trojan.exe	85
PID 3772 wrote to memory of 3404	3772	Trojan.exe	85
PID 3772 wrote to memory of 3404	3772	Trojan.exe	85

C:\Users\Admin\AppData\Local\Temp\b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe
"C:\Users\Admin\AppData\Local\Temp\b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:3772
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3404

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\Local\Temp\Trojan.exe

Filesize
43KB

MD5
0c2023377ffd106600e44cc0a8a35fe0

SHA1
2e7247d48d39c9a361bcd1ce6f7564d4b941db61

SHA256
b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e

SHA512
929aa0972a512cbd5aaae94d9c6ab4bc0e9f9bc14cc156d363ed902c491e8fb50d792c434b73e1ab5b3f1ebf29db7a08fa7eb4f6e5e0299c800459b98543f895

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

Filesize
43KB

MD5
0c2023377ffd106600e44cc0a8a35fe0

SHA1
2e7247d48d39c9a361bcd1ce6f7564d4b941db61

SHA256
b449a250df3aea6784a75f2f03a7242d24fe3ed8dd0bab7f3730a840b04d8b3e

SHA512
929aa0972a512cbd5aaae94d9c6ab4bc0e9f9bc14cc156d363ed902c491e8fb50d792c434b73e1ab5b3f1ebf29db7a08fa7eb4f6e5e0299c800459b98543f895

Download Submit
memory/3744-132-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/3744-136-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/3772-138-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/3772-139-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download