659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfa

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
05-10-2024 17:40

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General

Target

659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe
Size

62KB
MD5

c294438b7a8aa465e23e8030f3257570
SHA1

806dce8398221817b9eb05d2ded2632cf197072e
SHA256

659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfa
SHA512

ddeb8ecb61afb24a18462393658f0b91e0ac4ff69ae653556b915374e3395be24261839f9b90456877a2126440b9572ded92cb1fa208c8e03fee324b29dfb2a8
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIy:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV8

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1148	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	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"	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.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	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1148	1984	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe	30
PID 1984 wrote to memory of 1148	1984	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe	30
PID 1984 wrote to memory of 1148	1984	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe	30
PID 1984 wrote to memory of 1148	1984	659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe	30

C:\Users\Admin\AppData\Local\Temp\659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe
"C:\Users\Admin\AppData\Local\Temp\659402d129783512189cd1b5b5b21aa66b35d9475c0b4d4be8d554e05612edfaN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1148

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
63KB

MD5
d48dc4ee037368316bd2447baa351ed9

SHA1
fb8e3143fe328fba24a915d93026df7101bec041

SHA256
baf7291569b0641de68e5b634ccef10005ab884d2242aaff4ac00c954c76fa70

SHA512
911a38f89fcc33933b2bdd93c036e55211e4397de20b45a401ffe02068306d853c958bddc08e6732791b5fd8ab76c695131271f0f586ac585776f19263a07f4b

Download Submit
memory/1148-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1984-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1984-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads