bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

General

Target

bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe
Size

40KB
MD5

7bed7c82efafe6fbbe811b9cdb7ef374
SHA1

253e75dd646496c947aea0270ab74110c5445419
SHA256

bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76
SHA512

669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd
SSDEEP

768:SI8KnBLmtqeOQhbq+WVGvbsLHCAQpBryb0A4T+Ko+OA5FRe:2KnheOoa0fryAT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
840	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1076	netsh.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

Loads dropped DLL 1 IoCs

pid	Process
1552	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.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-1-5-21-4063495947-34355257-727531523-1000\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 2 IoCs

pid	Process
840	Trojan.exe
840	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 840	1552	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	26
PID 1552 wrote to memory of 840	1552	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	26
PID 1552 wrote to memory of 840	1552	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	26
PID 1552 wrote to memory of 840	1552	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	26
PID 840 wrote to memory of 1076	840	Trojan.exe	27
PID 840 wrote to memory of 1076	840	Trojan.exe	27
PID 840 wrote to memory of 1076	840	Trojan.exe	27
PID 840 wrote to memory of 1076	840	Trojan.exe	27

C:\Users\Admin\AppData\Local\Temp\bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe
"C:\Users\Admin\AppData\Local\Temp\bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1552
- 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:840
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1076

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
40KB

MD5
7bed7c82efafe6fbbe811b9cdb7ef374

SHA1
253e75dd646496c947aea0270ab74110c5445419

SHA256
bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

SHA512
669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd

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

Filesize
40KB

MD5
7bed7c82efafe6fbbe811b9cdb7ef374

SHA1
253e75dd646496c947aea0270ab74110c5445419

SHA256
bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

SHA512
669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd

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

Filesize
40KB

MD5
7bed7c82efafe6fbbe811b9cdb7ef374

SHA1
253e75dd646496c947aea0270ab74110c5445419

SHA256
bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

SHA512
669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd

Download Submit
memory/840-62-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/840-64-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1552-54-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

Download
memory/1552-60-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing