bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9

General

Target

bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe
Size

579KB
MD5

62f5d80f18ab5045615c21b56112bf42
SHA1

5d357b7c43489e2106dd5281a504d297b539487d
SHA256

bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9
SHA512

82c8b05301b41d48494db62f7bb9d0b6a0aa5077a2e549bef2ea74d94212fa07c356872bf726d893f81352979a9ad2a2c08d444796f7b63c3929a3a742065aa7
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7/:rBJwdhMJ6ZzHrfcsMGTfZ5P/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1844	Webfrequency.exe

Loads dropped DLL 1 IoCs

pid	Process
2928	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 1844	2928	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe	31
PID 2928 wrote to memory of 1844	2928	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe	31
PID 2928 wrote to memory of 1844	2928	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe	31
PID 2928 wrote to memory of 1844	2928	bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe	31
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32
PID 1844 wrote to memory of 620	1844	Webfrequency.exe	32

C:\Users\Admin\AppData\Local\Temp\bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe
"C:\Users\Admin\AppData\Local\Temp\bdf408fec4d45044fbd8cf1ed2f5a2e3bfdd64634dc74a99678fc612ce09cab9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe
  "C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe

Filesize
579KB

MD5
71400462d9b38342a461bad1eccf79cf

SHA1
f34daba5b56f31cd9105837fbb3a7070b43a18a3

SHA256
b94358a03a0a5f3425bddbb47959de9e6242fb48e8aae3bf3a1aaba8c23fce35

SHA512
e87d85f4117b71b9ffda708fc8ffac7a01103402fe59855b9b5cd8a8d06734d33423736c5725676016ac63fe3ace46c36a998675a7e640d35e3934d5954c8f56

Download Submit
memory/1844-15-0x0000000000960000-0x00000000009F4000-memory.dmp

Filesize
592KB

Download
memory/1844-16-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1844-17-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1844-18-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1844-19-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/1844-20-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-2-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2928-3-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2928-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-1-0x0000000000A90000-0x0000000000B24000-memory.dmp

Filesize
592KB

Download
memory/2928-14-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads