a51d607c4a6404e2c6355f7f1dffa2b1d27108b00123393df352f9a1dda42b96

Analysis

max time kernel
119s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 11:42

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General

Target

64054cfcf18cef563b6b90da4ae3ea70N.exe
Size

36KB
MD5

64054cfcf18cef563b6b90da4ae3ea70
SHA1

2d991c4de64edf7a71657eccda45a631ddf5d8fe
SHA256

a51d607c4a6404e2c6355f7f1dffa2b1d27108b00123393df352f9a1dda42b96
SHA512

b3532576c58c666eff05dd749b11f7c45213e31acd6c998440c7906499238de6a2c17424d021cef69799a9b50afbcf70d63fd6958199d222c3ab46b045eca912
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6v8tvGE9UHrSdghj8bvHRIkhbUIchUh8c:e6q10k0EFjed6rqJ+6v8tvGE9UHrSdgC

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4592	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4592	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	64054cfcf18cef563b6b90da4ae3ea70N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	64054cfcf18cef563b6b90da4ae3ea70N.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	64054cfcf18cef563b6b90da4ae3ea70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4592	1628	64054cfcf18cef563b6b90da4ae3ea70N.exe	84
PID 1628 wrote to memory of 4592	1628	64054cfcf18cef563b6b90da4ae3ea70N.exe	84
PID 1628 wrote to memory of 4592	1628	64054cfcf18cef563b6b90da4ae3ea70N.exe	84

C:\Users\Admin\AppData\Local\Temp\64054cfcf18cef563b6b90da4ae3ea70N.exe
"C:\Users\Admin\AppData\Local\Temp\64054cfcf18cef563b6b90da4ae3ea70N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- 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:4592

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
bcdcbf59fa4619845e1aa2be1ba61d24

SHA1
eb24bf7eb51794ebffbd16822e8f133054d4e8bf

SHA256
0a35dbe769feeff412a12bbb53f3a8267a112688239fc8dfbd7a37061f163375

SHA512
e8f08f6fa909f9cec4d4ebc969f43634800e9a53ea5237af4e3a57f9929e35d51ef756cea98418bc3f482201eccf5d0692180ae73e1dce5e1efa1da2fb5e2c05

Download Submit
memory/1628-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1628-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4592-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads