19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2b

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 11:12

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General

Target

19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe
Size

78KB
MD5

9b10d73626631e088946f5ffce9ba880
SHA1

708a469dfb42d8ad9640d31897d0c247e7055e28
SHA256

19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2b
SHA512

e7f0cb49a473d6243e4dee04eb5d6e2f414a1a5d92c38d69be51e10e3e8bbcd250a483f4b3d3707f8a47c593523b6fc21896a06cb36df7654532504416a9f889
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTJ:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhA/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4664	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4664	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.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	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 4664	696	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe	82
PID 696 wrote to memory of 4664	696	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe	82
PID 696 wrote to memory of 4664	696	19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe	82

C:\Users\Admin\AppData\Local\Temp\19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe
"C:\Users\Admin\AppData\Local\Temp\19b2698fa39c941ea15aca963f5c44d7ebef4efde59ba6bc1797bfbf03b63a2bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:696
- 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:4664

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
78KB

MD5
38efc5ca6c6497163aa3aa16205cf08b

SHA1
76d2180fec1a82662211ad310301d36c0c5a3c48

SHA256
04519f0fe1816438a9ae2f63cb8d07447238d52564406203c56dad085fcb9ce3

SHA512
c28c76d86a01ed05dc292cf5a8d81010156f92cb1249d6ad9b35f71db47cf9cd1e8b7876c871eb05acb65c1ba1a2d9cd850062664c105034c11e520d0a3f22b3

Download Submit
memory/696-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/696-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4664-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4664-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads