775b38076b58880c8245725f1a6dc17a9a28679009a3a0ced936f0a2aacccd67

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 08:01

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General

Target

20f0da508a93968ac8fb93f0b5a8d920N.exe
Size

79KB
MD5

20f0da508a93968ac8fb93f0b5a8d920
SHA1

1a5d257ad92a0df5d2260b9ade8ce0153873c71d
SHA256

775b38076b58880c8245725f1a6dc17a9a28679009a3a0ced936f0a2aacccd67
SHA512

9ffdec52a21e071fe2d0a7bcc3f825821c3ea53cb30e88c38455ddce963b1c0fc841fa49f374a7a3bf425c9a58eaa53fc2a3333a53ed32dfab711870a4fc6b99
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTT:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAd

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2552	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	20f0da508a93968ac8fb93f0b5a8d920N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	20f0da508a93968ac8fb93f0b5a8d920N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	20f0da508a93968ac8fb93f0b5a8d920N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2552	2072	20f0da508a93968ac8fb93f0b5a8d920N.exe	31
PID 2072 wrote to memory of 2552	2072	20f0da508a93968ac8fb93f0b5a8d920N.exe	31
PID 2072 wrote to memory of 2552	2072	20f0da508a93968ac8fb93f0b5a8d920N.exe	31
PID 2072 wrote to memory of 2552	2072	20f0da508a93968ac8fb93f0b5a8d920N.exe	31

C:\Users\Admin\AppData\Local\Temp\20f0da508a93968ac8fb93f0b5a8d920N.exe
"C:\Users\Admin\AppData\Local\Temp\20f0da508a93968ac8fb93f0b5a8d920N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2552

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
79KB

MD5
05543cca290d2ccf179ac9447ac10391

SHA1
88e1c51a0c040f009d047005bb9b794ddfc0bee5

SHA256
d77a53f8e2912e776f87acc069a775a248a13f33c186ac5b440cce431f423583

SHA512
eb941fa565a79836da2961d93243a660e53d02472a4d341f4d9c58d9fa376e86b10e30470402835e756bac6b03ca28fab636fd68b7cc880779bc49c3acfa5d57

Download Submit
memory/2072-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2072-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2072-6-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download
memory/2072-10-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download
memory/2552-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads