ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

Analysis

max time kernel
311s
max time network
386s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2022, 21:51

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General

Target

ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe
Size

90KB
MD5

42b85bf274ff08817f995c38c37b1ff0
SHA1

2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746
SHA256

ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9
SHA512

cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c
SSDEEP

1536:WwHTYXvGC2Ek61ZNe2cIBGh90nEmhOZOEpn1qtMyO8j2cK3As6T92HQEoub5IgQd:JTY/5k6fEnxSjRTiQEo45fQn4vK

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4956	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4392	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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.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-1-5-21-2971393436-602173351-1645505021-1000\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 use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 4956	4020	ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe	86
PID 4020 wrote to memory of 4956	4020	ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe	86
PID 4020 wrote to memory of 4956	4020	ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe	86
PID 4956 wrote to memory of 4392	4956	Trojan.exe	87
PID 4956 wrote to memory of 4392	4956	Trojan.exe	87
PID 4956 wrote to memory of 4392	4956	Trojan.exe	87

C:\Users\Admin\AppData\Local\Temp\ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe
"C:\Users\Admin\AppData\Local\Temp\ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4956
- - 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:4392

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
90KB

MD5
42b85bf274ff08817f995c38c37b1ff0

SHA1
2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

SHA256
ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

SHA512
cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

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

Filesize
90KB

MD5
42b85bf274ff08817f995c38c37b1ff0

SHA1
2e7cdeaf89f1276a928d732d7b7f93f1ba2f1746

SHA256
ec40b55d4ebd0ba60f14c06e75e272448aaf4eb821f0c39c917177d1ca8231c9

SHA512
cbb1f8e4ea85ec20173d65289af3df37af6c7dd1efd2fe7f15bf802bea89046f4231d057dd352c3a205657b48d85c61c3220cb4afe900bfaa2df307cd9677c1c

Download Submit
memory/4020-132-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4020-133-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4020-137-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download
memory/4956-139-0x0000000074B90000-0x0000000075141000-memory.dmp

Filesize
5.7MB

Download