b5420d6b385ba9e9aa7bfb0c8b91ec7be56c620a5f8f8f336ecb361319a7b264

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 00:02

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General

Target

14d5ba4a713d36173778155b916a2020N.exe
Size

41KB
MD5

14d5ba4a713d36173778155b916a2020
SHA1

cb263f2ddef5aabfd987e71301ca0115834c35a0
SHA256

b5420d6b385ba9e9aa7bfb0c8b91ec7be56c620a5f8f8f336ecb361319a7b264
SHA512

ab858a1dfc3aef9d10a843c1694c17e4a9c009a3167fd07808dbdfc4e8a64620337cbeddd0f6b76d3bbcf87ac3fe30475bcd210d14f898f6ece5012f50604c00
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFve:e6q10k0EFjed6rqJ+6vghzwYu7vih9GY

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3080	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	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"	14d5ba4a713d36173778155b916a2020N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	14d5ba4a713d36173778155b916a2020N.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	14d5ba4a713d36173778155b916a2020N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 3080	2320	14d5ba4a713d36173778155b916a2020N.exe	83
PID 2320 wrote to memory of 3080	2320	14d5ba4a713d36173778155b916a2020N.exe	83
PID 2320 wrote to memory of 3080	2320	14d5ba4a713d36173778155b916a2020N.exe	83

C:\Users\Admin\AppData\Local\Temp\14d5ba4a713d36173778155b916a2020N.exe
"C:\Users\Admin\AppData\Local\Temp\14d5ba4a713d36173778155b916a2020N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- 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:3080

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
41KB

MD5
46ba49d6b6b69f61f8d95953ea51b3fb

SHA1
ccfffda54d3cd9b7745aa970df28bd28703472f4

SHA256
6e851ed80634aa81402e6b2935d04617ccc555f9a8c122d1a9bd0abf429d3a95

SHA512
3c3c4fa126fec0b7b63d76c446098bec633f937279061c3b3393f76d9851a7daa560807dc61a0b153a48e8084eb454065aac035f1718b5a3516ec4c47393c0a2

Download Submit
memory/2320-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2320-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3080-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads