b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa

General

Target

b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe
Size

577KB
MD5

315f07320e3d2e5100663f5af9bf13d2
SHA1

821dc2ebfd26906c487442e15f25214445facc82
SHA256

b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa
SHA512

26a40b3cd871db77be2fb699b1fdbf2529bad895e6e267f5e32d78222de3e0d547eb112c57b41c86b4037d36185fa83f879eb7832e63f38eef82c1cbd370518d
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7J:rBJwdhMJ6ZzHrfcsMGTfZ5PJ

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe

Executes dropped EXE 1 IoCs

pid	Process
4460	Webfrequency.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.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	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 4460	4000	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe	91
PID 4000 wrote to memory of 4460	4000	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe	91
PID 4000 wrote to memory of 4460	4000	b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe	91
PID 4460 wrote to memory of 3992	4460	Webfrequency.exe	92
PID 4460 wrote to memory of 3992	4460	Webfrequency.exe	92
PID 4460 wrote to memory of 3992	4460	Webfrequency.exe	92

C:\Users\Admin\AppData\Local\Temp\b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe
"C:\Users\Admin\AppData\Local\Temp\b9be4f60dbefd02d25ebd66ba363ee9421c3be6f60fd7272a0946ebc18104dfa.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4000
- 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:4460
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:3992

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

Query Registry

1

T1012

System Information Discovery

2

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
577KB

MD5
d8de1e382362067ee25b0e7172050114

SHA1
49775fe040a577d960089c39cf9bf67bf08bd7c4

SHA256
59270abdd11af9a12219caf11aeb8056a126d9c8b4e96b12320a50b1b5d1060a

SHA512
3d9bf5ebe470c3ad91333e4127ce1061d76b78d9ec9c795c914685276ca70efb752df01708fed67d4b74f5bc3abc495346e6d8e6bca203290bdd583a05ef7e70

Download Submit
memory/4000-8-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4000-1-0x0000000000DC0000-0x0000000000E54000-memory.dmp

Filesize
592KB

Download
memory/4000-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/4000-4-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4000-5-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/4000-6-0x00000000058D0000-0x00000000058DA000-memory.dmp

Filesize
40KB

Download
memory/4000-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/4000-0-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/4000-7-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/4000-22-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4460-23-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4460-24-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4460-25-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4460-26-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/4460-28-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads