3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 15:02

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General

Target

3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe
Size

40KB
MD5

24683b467eeda2eb2028270920022e10
SHA1

c3069b853dc28f83f6b41309f61a6a1af5a3f0dc
SHA256

3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0
SHA512

97915baa404f11b319a2806ddde80806463d613da7cee2373c14eb567a347b5c6340ff4223ffb7dd4257f4322cd34d7c2f09ad78ac244d53c68525845d38d989
SSDEEP

768:S4T/Mgiu3wYkswIqDWbXHIt1kmFbeBzLbwuAX8oC:rT2KwYtwInHwFbeBHbwue8n

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1668	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1524	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\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 39 IoCs

pid	Process
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe
1668	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 1668	5044	3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe	80
PID 5044 wrote to memory of 1668	5044	3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe	80
PID 5044 wrote to memory of 1668	5044	3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe	80
PID 1668 wrote to memory of 1524	1668	Trojan.exe	81
PID 1668 wrote to memory of 1524	1668	Trojan.exe	81
PID 1668 wrote to memory of 1524	1668	Trojan.exe	81

C:\Users\Admin\AppData\Local\Temp\3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe
"C:\Users\Admin\AppData\Local\Temp\3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5044
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1668
- - 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:1524

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
40KB

MD5
24683b467eeda2eb2028270920022e10

SHA1
c3069b853dc28f83f6b41309f61a6a1af5a3f0dc

SHA256
3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0

SHA512
97915baa404f11b319a2806ddde80806463d613da7cee2373c14eb567a347b5c6340ff4223ffb7dd4257f4322cd34d7c2f09ad78ac244d53c68525845d38d989

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

Filesize
40KB

MD5
24683b467eeda2eb2028270920022e10

SHA1
c3069b853dc28f83f6b41309f61a6a1af5a3f0dc

SHA256
3b6f6b4ea3094b2073712509eb1825f11e8ecd48ad44cb1cf59b1acc74c261c0

SHA512
97915baa404f11b319a2806ddde80806463d613da7cee2373c14eb567a347b5c6340ff4223ffb7dd4257f4322cd34d7c2f09ad78ac244d53c68525845d38d989

Download Submit
memory/1668-138-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/1668-139-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-132-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download
memory/5044-136-0x0000000074640000-0x0000000074BF1000-memory.dmp

Filesize
5.7MB

Download