3c5d4007aabc7835b586d15313645af2e823dfad1d487cad46453dc3474e2693

Analysis

max time kernel
139s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:13

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General

Target

85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe
Size

580KB
MD5

b747e046e2e395a2fe5ac28533a02fbc
SHA1

b044b266c4d095ec36cbb957ecaea6fefee1c700
SHA256

85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286
SHA512

1a1a7215331a2e7ae64230b34b801a63b440ad444de2d17cda61e32eca09cd4c67697e7f803c4204ee1edca1f3609de46b2785b42a5e982b6861d3aefa90e521
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7a:rBJwdhMJ6ZzHrfcsMGTfZ5Pa

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
300	Webfrequency.exe

Loads dropped DLL 1 IoCs

pid	Process
2828	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 300 set thread context of 2200	300	Webfrequency.exe	32

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 3 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	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 300	2828	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe	30
PID 2828 wrote to memory of 300	2828	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe	30
PID 2828 wrote to memory of 300	2828	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe	30
PID 2828 wrote to memory of 300	2828	85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe	30
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32
PID 300 wrote to memory of 2200	300	Webfrequency.exe	32

C:\Users\Admin\AppData\Local\Temp\85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe
"C:\Users\Admin\AppData\Local\Temp\85da941cd1a122ad907ea9a637c620517ddd1e21857a01f6244dfa3ec0d3c286.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe
  "C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:300
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2200

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
580KB

MD5
96f116612bad3b52105d2f46445900d8

SHA1
0ca3e67ed29c6acf724d75cd22419f4ca8ac97c4

SHA256
2df2f9ace40b036bfd589083645381fdf0ed57f2699260557283d0b5ca278823

SHA512
cef946614fa6ff48abf39ee9fc31456cd1cdc37c3b177af181627a3f12cba6fff3fd7580fc1614852eab9ec89d8ee4183537c1ecfe6cc365e3cb626a0dd51546

Download Submit
memory/300-19-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/300-16-0x0000000001390000-0x0000000001424000-memory.dmp

Filesize
592KB

Download
memory/300-40-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/300-18-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/300-17-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/300-14-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2200-22-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-34-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-38-0x0000000000840000-0x0000000000856000-memory.dmp

Filesize
88KB

Download
memory/2200-36-0x0000000002600000-0x00000000026AE000-memory.dmp

Filesize
696KB

Download
memory/2200-30-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-35-0x0000000000210000-0x0000000000220000-memory.dmp

Filesize
64KB

Download
memory/2200-24-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-37-0x0000000000560000-0x0000000000588000-memory.dmp

Filesize
160KB

Download
memory/2200-20-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-32-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2200-26-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2828-2-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/2828-15-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2828-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2828-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-1-0x0000000000300000-0x0000000000394000-memory.dmp

Filesize
592KB

Download
memory/2828-3-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads