757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2

Analysis

max time kernel
149s
max time network
96s
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, 22:48

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General

Target

757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe
Size

54KB
MD5

285a3b5e83935bb3b15331b9fcc4e0f3
SHA1

93a65c8ff3b6a9896012fde40d0f5b393d61c94a
SHA256

757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2
SHA512

e58a20d83bae548201cdbfd34cd6b4b197aa81ad0994f0c2369a22f8644262deb8000c23275ef710aff0fd61c6cebcb5202509b09f0c87e68e772e60df576912
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI8:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVi

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1768	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1768	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.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	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1768	2688	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe	84
PID 2688 wrote to memory of 1768	2688	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe	84
PID 2688 wrote to memory of 1768	2688	757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe	84

C:\Users\Admin\AppData\Local\Temp\757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe
"C:\Users\Admin\AppData\Local\Temp\757f8cb8ebc9fb403ed670b3ea942b602f0666ef9a3d8b1c97a63142c0c85bc2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1768

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
55KB

MD5
7fb9bd4e10664e3fba3c5e47121a00b7

SHA1
07a981a7cda2525ca3ac2f7050f625be25776cba

SHA256
f6181062d4ef2b5ca2a47268587ef00ba17e6974ec63ad2ed711ab54674e7e1a

SHA512
e3757932e177322711b44db4113dfa607798e6d27f9820b5e948348d2d1a0a0002492c7112ef8d1b4f1fddec5d622cd46a936dfa3bab63029f4911f535a34a8f

Download Submit
memory/1768-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1768-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2688-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2688-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads