2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 12:03

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General

Target

2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe
Size

77KB
MD5

15158e9dced3bd864dd92a576821b530
SHA1

16a6ed91cb721fa3a057da0fa603c1f08df3bff8
SHA256

2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83
SHA512

d8ee67f46afc32824a5900f8dbc12b188b591185c61dcd7752d99b1376ed8c5e137298a4b286ca9b17060a187c11f6abf531f10262ad2383e9b1832eec433aea
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/u:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAu

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2316	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2316	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.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	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.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	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2316	876	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe	31
PID 876 wrote to memory of 2316	876	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe	31
PID 876 wrote to memory of 2316	876	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe	31
PID 876 wrote to memory of 2316	876	2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe	31

C:\Users\Admin\AppData\Local\Temp\2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe
"C:\Users\Admin\AppData\Local\Temp\2fcf087f8b59944ec2f1c5a035950f5024c8f8ec86f3b0a8de5a820a2df91c83N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2316

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
77KB

MD5
57a6ef2cc668c51bc146ac677974cf96

SHA1
0be0d36c05caaea6800dc29a3db27192245cc536

SHA256
6232941cf58a486f95c1bc9a89790303f23e5a9564f4957f672d8167202e1b0a

SHA512
17aed7a95c6b372021db2a6d9c5bec7c607b74ff03f44366a7dd3f8e61b081e2dd59545654feb9dc0d462b8f6e53747878b5ed7d4a4a3e6a6982720452c6132a

Download Submit
memory/876-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/876-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2316-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads