3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2

Analysis

max time kernel
183s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 01:46

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General

Target

3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe
Size

43KB
MD5

791ef8347076e18021604e7aed78f300
SHA1

faf154381e929154de9b5e0271fe1deb2e9eee04
SHA256

3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2
SHA512

bbc7bd842dc69a7356fd7cc05f9c240dfe707349d7800a20dcb8361209cfb94e572de04bafc5e693e694a6b6013e198ea906eb66bb2c9e5af1a5635ad73fb347
SSDEEP

768:PkmhX8+bCZ5S8Ee74rK9GTa2QL5c1m6HujHWGqvtO1p/ct1cJ4lONg4ulPcHCCja:5GGb93uS6oo4lOElEHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1488	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4500	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	3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.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 25 IoCs

pid	Process
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe
1488	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1488	2844	3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe	83
PID 2844 wrote to memory of 1488	2844	3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe	83
PID 2844 wrote to memory of 1488	2844	3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe	83
PID 1488 wrote to memory of 4500	1488	Trojan.exe	84
PID 1488 wrote to memory of 4500	1488	Trojan.exe	84
PID 1488 wrote to memory of 4500	1488	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe
"C:\Users\Admin\AppData\Local\Temp\3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2844
- 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:1488
- - 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:4500

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
791ef8347076e18021604e7aed78f300

SHA1
faf154381e929154de9b5e0271fe1deb2e9eee04

SHA256
3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2

SHA512
bbc7bd842dc69a7356fd7cc05f9c240dfe707349d7800a20dcb8361209cfb94e572de04bafc5e693e694a6b6013e198ea906eb66bb2c9e5af1a5635ad73fb347

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

Filesize
43KB

MD5
791ef8347076e18021604e7aed78f300

SHA1
faf154381e929154de9b5e0271fe1deb2e9eee04

SHA256
3b09865b8f3f8ef54dfc4d938e324392a1b4670a7dca49fb187d5f045c7ce7e2

SHA512
bbc7bd842dc69a7356fd7cc05f9c240dfe707349d7800a20dcb8361209cfb94e572de04bafc5e693e694a6b6013e198ea906eb66bb2c9e5af1a5635ad73fb347

Download Submit
memory/1488-137-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/1488-140-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/2844-132-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/2844-133-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download
memory/2844-138-0x0000000075100000-0x00000000756B1000-memory.dmp

Filesize
5.7MB

Download