fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5

Analysis

max time kernel
149s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 13:34

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General

Target

fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe
Size

69KB
MD5

e17102cc11f5147e23578b16f9258878
SHA1

6a5268f87442f73762c1c8f673f73e576960d10a
SHA256

fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5
SHA512

4695dd12f5042d07643aeff98fd83033493da4387ac3c24f185a2e238ab58209ab2bb5c8bc607570dcc80bb7b43d2dc0587d51696a2b7682ddce3fce4873bf77
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh66C2hthEhH/HU:NAoglOwvl4ulkP6vghzwYu7vih9GueIg

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
412	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
412	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 412	220	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe	84
PID 220 wrote to memory of 412	220	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe	84
PID 220 wrote to memory of 412	220	fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe	84

C:\Users\Admin\AppData\Local\Temp\fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe
"C:\Users\Admin\AppData\Local\Temp\fd79f3a1a9754f49e185e12c40a4fcc2c8b7418b6911444412ea8e3c2d38a6c5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:412

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
69KB

MD5
ce9fecf2d9c0f6974a63d427bb8cf947

SHA1
8a489294ec3c7dd78ffb97e5f0feee9d17e0e5de

SHA256
4de94a5edbdd6c8f152703a462ab9c86aec8d4984f77bcf3759cd93b3b6aaeb4

SHA512
a1eda0dfc7f6f3d338d44caf8bf08ffc1c7f8b8c70cfb38d5458550e936b3190373cc9e9dd3685a155f57e5f716fec24553868047637eb7c4c43cfb5d6a0e94f

Download Submit
memory/220-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/220-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/412-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads