83bd54807d80f1a89da940af03da3b89def6488e606efbc9da79a83823d22133

Analysis

max time kernel
119s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 15:31

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General

Target

36507fcde01a181bc910fa92813f1dd0N.exe
Size

36KB
MD5

36507fcde01a181bc910fa92813f1dd0
SHA1

7c5f0cdb5d3189bd001303ddd3150ac7980dd24d
SHA256

83bd54807d80f1a89da940af03da3b89def6488e606efbc9da79a83823d22133
SHA512

d6ef007b710aca637a73c05624491c97baca02564e869a8d552bcf99fa8ec995ff1413dec9662085545c3ebc5b6eba4be1f5f9e604954ae01e5cc231c72847b5
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/9:e6q10k0EFjed6rqJ+6vghzwYu7vih9Ga

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2852	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	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"	36507fcde01a181bc910fa92813f1dd0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	36507fcde01a181bc910fa92813f1dd0N.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	36507fcde01a181bc910fa92813f1dd0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 2852	3900	36507fcde01a181bc910fa92813f1dd0N.exe	83
PID 3900 wrote to memory of 2852	3900	36507fcde01a181bc910fa92813f1dd0N.exe	83
PID 3900 wrote to memory of 2852	3900	36507fcde01a181bc910fa92813f1dd0N.exe	83

C:\Users\Admin\AppData\Local\Temp\36507fcde01a181bc910fa92813f1dd0N.exe
"C:\Users\Admin\AppData\Local\Temp\36507fcde01a181bc910fa92813f1dd0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3900
- 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:2852

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
36KB

MD5
5f5f37a602c573b149704fe58d896911

SHA1
6f9dd3ad60a63c9a0a3a20e0fb9f2449562a2dd5

SHA256
261cb98bea045e73413d48606d2b8eab7f69346bda29c46b3a99f4e5eb8c4c4c

SHA512
923c927bd373e2f1868266d7c620fd90e489617033a1856d33a7d45467b097adfdcc15ce7f77c05dd43325a7e2c37990ebde9ef4f49108fdd17eaf9c7f546d06

Download Submit
memory/2852-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3900-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3900-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads