e469f98ac96c5ecb8215c09f47b665745f7d8d40acb445f3cf014670ff2c608a

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 11:45

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General

Target

9b923893dddf843a7fc0c9d9c1c7f8d0N.exe
Size

74KB
MD5

9b923893dddf843a7fc0c9d9c1c7f8d0
SHA1

18b367084329cdf233a8d19488ab589754f5790a
SHA256

e469f98ac96c5ecb8215c09f47b665745f7d8d40acb445f3cf014670ff2c608a
SHA512

f83f322d563ad0c22178506541a3612367e5aac34f9926ed4ff82445c899465cc1577c87bf8a58a3b5ba7c0864809ca3ba0a263ff1d95282fe4de6eb05c386ac
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTi:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAE

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2032	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2032	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-1-5-21-3089151618-2647890268-2710988337-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9b923893dddf843a7fc0c9d9c1c7f8d0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9b923893dddf843a7fc0c9d9c1c7f8d0N.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	9b923893dddf843a7fc0c9d9c1c7f8d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 2032	4196	9b923893dddf843a7fc0c9d9c1c7f8d0N.exe	83
PID 4196 wrote to memory of 2032	4196	9b923893dddf843a7fc0c9d9c1c7f8d0N.exe	83
PID 4196 wrote to memory of 2032	4196	9b923893dddf843a7fc0c9d9c1c7f8d0N.exe	83

C:\Users\Admin\AppData\Local\Temp\9b923893dddf843a7fc0c9d9c1c7f8d0N.exe
"C:\Users\Admin\AppData\Local\Temp\9b923893dddf843a7fc0c9d9c1c7f8d0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196
- 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:2032

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
74KB

MD5
99f7e4a647aa6f5c323a91243c4698a5

SHA1
54259c6f11b65ce1e071c84d99ac68d3e6b7ada2

SHA256
fb25218acbeb937a06fef4f77b85856d046b39fa3e781086b2346b4cfd85131b

SHA512
a29f1c04bdabab3de16dc35c915dd9ed2d5eafa26d778a2a807755d1394c53fcfdad348ea5a15ad3aaf6ce3aac041f736442118525a065635670f77c37f54290

Download Submit
memory/2032-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2032-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4196-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4196-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads