b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b

General

Target

b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe
Size

189KB
MD5

6c48f9db118beb800deabdf82cb5a1a0
SHA1

f3b4763ddb0e1469993152878ac6167b0f0617c8
SHA256

b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b
SHA512

d93ab9a12b66d9b7f762f55d2ee119baacfda7bb9148a3b8677cda2bea15708f90eff778939e45e39c397772f412d1f4e717caf4305895450a3d870ee1162580
SSDEEP

3072:6RWEC2Oi8NXC797F8TBfFvj4bq57PRwWJ1/ZoAiYujRpl:6vC2F8NXC796TB9vj48P7fRDiYuLl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2552	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1984	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe
2552	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 2552	4980	b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe	81
PID 4980 wrote to memory of 2552	4980	b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe	81
PID 4980 wrote to memory of 2552	4980	b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe	81
PID 2552 wrote to memory of 1984	2552	Trojan.exe	82
PID 2552 wrote to memory of 1984	2552	Trojan.exe	82
PID 2552 wrote to memory of 1984	2552	Trojan.exe	82

C:\Users\Admin\AppData\Local\Temp\b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe
"C:\Users\Admin\AppData\Local\Temp\b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Users\Admin\AppData\Roaming\Trojan.exe
  "C:\Users\Admin\AppData\Roaming\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:2552
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1984

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
189KB

MD5
6c48f9db118beb800deabdf82cb5a1a0

SHA1
f3b4763ddb0e1469993152878ac6167b0f0617c8

SHA256
b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b

SHA512
d93ab9a12b66d9b7f762f55d2ee119baacfda7bb9148a3b8677cda2bea15708f90eff778939e45e39c397772f412d1f4e717caf4305895450a3d870ee1162580

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

Filesize
189KB

MD5
6c48f9db118beb800deabdf82cb5a1a0

SHA1
f3b4763ddb0e1469993152878ac6167b0f0617c8

SHA256
b6fc3e4a1cd7cfa0a6539b8c56fc685ce01ed61efb2d516813fa9d869d0f383b

SHA512
d93ab9a12b66d9b7f762f55d2ee119baacfda7bb9148a3b8677cda2bea15708f90eff778939e45e39c397772f412d1f4e717caf4305895450a3d870ee1162580

Download Submit
memory/2552-143-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/2552-146-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-132-0x00000000001D0000-0x00000000001F4000-memory.dmp

Filesize
144KB

Download
memory/4980-135-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-136-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-144-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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