381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d

Analysis

max time kernel
149s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 20:26

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General

Target

381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe
Size

63KB
MD5

a107dbeaed26471a342c47d93b8a9a39
SHA1

1f06429ebdf8317a4833506c5ed38c7921bb5116
SHA256

381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d
SHA512

90c10accee0c7d900859b76ab39ba0dccc1fdf3be77a8307a51d9031c0a4d220324d3dc923428af0b562b92c0aeafc06b868f1cb91aa52d38be661332ed84aa7
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDh4PkQV1:NAoglOwvl4ulkP6v8tvGE9UHrSdghj81

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3292	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3292	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.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	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 3292	4188	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe	83
PID 4188 wrote to memory of 3292	4188	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe	83
PID 4188 wrote to memory of 3292	4188	381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe	83

C:\Users\Admin\AppData\Local\Temp\381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe
"C:\Users\Admin\AppData\Local\Temp\381f85e950258827a080a321726ff88db7aa73dadd470d866fad611e291b483d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4188
- 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:3292

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
64KB

MD5
b411feb18c4e78bfbb18661d4b02d08a

SHA1
42ede68c53f00280cdeb228321ee673dc297a2eb

SHA256
50c289e730d54d8fab422c4875975e2e6048a81ca66aab108e7d7db1a3cd00ec

SHA512
d5390a27e11f0bd2b16b7d9ea17042509184916e78722f5afc3c504cf16c675b693486fcbbc8707e3525103c36dca766b90b4eae2926a659a2c94ad2d9fabf55

Download Submit
memory/3292-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4188-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4188-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads