f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 23:40

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General

Target

f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe
Size

40KB
MD5

e46da28300f9a351ae891c8a70b1de20
SHA1

ad53be471e24f34066ac149006311c430604fbb5
SHA256

f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0
SHA512

77ea9428890d765eae202301b78c374c1d7000dc6883ee94c88c9cc6efe29f295f4090712891b8ffee252bfb03737c87a184d2295e0c64adc35988daf1271627
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/6:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4572	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.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	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 4572	4464	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe	83
PID 4464 wrote to memory of 4572	4464	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe	83
PID 4464 wrote to memory of 4572	4464	f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe	83

C:\Users\Admin\AppData\Local\Temp\f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe
"C:\Users\Admin\AppData\Local\Temp\f18dc27e20284896bc07a75093bfbbd39bd1f09f3dd0697ef0df71eab0a0dad0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- 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:4572

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
40KB

MD5
f08dd65c1eb4de53cf459e18f8aaecd2

SHA1
35b7d58e57d44c706b8805abd9244c1a71c83ec2

SHA256
8cfaec2fb73ef33f032466b7e4e80ba24710e70cd8c970956a9db1c73147375b

SHA512
78fe4308fa3d34c37f6c25609b5b4fc896d8062b863bb976b0e77da816b2ab5b4372e742dfdcfde8e9bb72b667257696a3bbfe8f5cc7ede6310f993021eda196

Download Submit
memory/4464-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4464-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4572-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads