e4d25d44f59a478409712e60a82c6fe1b0c36bd07ebbbd257040f3eceafe62fa

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 15:56

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General

Target

ca56a6914bc6d52934c9008faf02a9f0N.exe
Size

61KB
MD5

ca56a6914bc6d52934c9008faf02a9f0
SHA1

5765a87381ec543aa3da728a1f7da5fe2fb58efa
SHA256

e4d25d44f59a478409712e60a82c6fe1b0c36bd07ebbbd257040f3eceafe62fa
SHA512

8b8430f804df7a10266a84a67887f18cdfe3a7920fadd7f30cc470fc2c3645d64e847544c879d424ec621dcc9a053e3025edfc3d83b57bec8524651b847204ee
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKjhvFhBhd:NAoglOwvl4ulkP6vghzwYu7vih9GueIa

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ca56a6914bc6d52934c9008faf02a9f0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ca56a6914bc6d52934c9008faf02a9f0N.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	ca56a6914bc6d52934c9008faf02a9f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 412	3456	ca56a6914bc6d52934c9008faf02a9f0N.exe	86
PID 3456 wrote to memory of 412	3456	ca56a6914bc6d52934c9008faf02a9f0N.exe	86
PID 3456 wrote to memory of 412	3456	ca56a6914bc6d52934c9008faf02a9f0N.exe	86

C:\Users\Admin\AppData\Local\Temp\ca56a6914bc6d52934c9008faf02a9f0N.exe
"C:\Users\Admin\AppData\Local\Temp\ca56a6914bc6d52934c9008faf02a9f0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3456
- 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
61KB

MD5
e3a649723c94043a92cf0dcc0bd3b207

SHA1
a834a5fda2c87d33fdc538fec697f1053ed659ab

SHA256
05640e61454f7365a5f207abf4ab448c9cd5f2c854e73f2acfd49c47a4c50500

SHA512
d630e910bd6f59be726657717361658ca0d7582de6f9bc2f5a5b71e728dac3e8026259494b410c2eafda81579f1fb367245e2e6dc16356f23d28d7ceacaccd41

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

Filesize
60KB

Download
memory/412-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3456-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3456-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads