cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 02:45

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General

Target

cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe
Size

42KB
MD5

c76ee33956f33fc21c2708840b8b2e11
SHA1

3b0907765b1ed4309eccc11d3fcc4deba6d924f3
SHA256

cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed
SHA512

b2b3a74f1eb18541b0185b2b1a935b0fdda91f0e0623bab11cb3bad392c2651279bc871b21b7676cd462f5efa07aeed67240415ce2343674a7c3a6ce822e42f5
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhZ:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2988	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	microsofthelp.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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe

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	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 2988	4488	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe	83
PID 4488 wrote to memory of 2988	4488	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe	83
PID 4488 wrote to memory of 2988	4488	cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe	83

C:\Users\Admin\AppData\Local\Temp\cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe
"C:\Users\Admin\AppData\Local\Temp\cdfad24d6f7b956cbf07e6444c3d10f0b91b3e9b912d03d41da6244157fcfbed.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2988

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
42KB

MD5
e9b9f13dcbb496e8d608fffccf357da8

SHA1
7445a0d72710783843dfeddfe7e8b3bd2f3e610d

SHA256
16280978eeec39360866aa6fcc6b02f3c60648d1035dcc31ef48072977b23fa1

SHA512
64a2224cf967767a1ec44a0f68b3171f82ab938dad1a54bf79d66040306030f2a1707b9bcf44342a4c912760c1ba00dd96561f31fe12039c4066b39d950e77be

Download Submit
memory/4488-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4488-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads