86ac099cebeef63cff7f23e18244eaba61fdd7c8b871cc88dd723b1ede9bf034

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:25

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General

Target

536a86c7e9ff24ee307ed8cd9a62e530N.exe
Size

43KB
MD5

536a86c7e9ff24ee307ed8cd9a62e530
SHA1

7d460e6a6c69155fce4cfa99c92c83a00f51e1cb
SHA256

86ac099cebeef63cff7f23e18244eaba61fdd7c8b871cc88dd723b1ede9bf034
SHA512

75b656b3cf4f6b25f256f7fa52867e5b7efcb353b60f6d058a3632c2a5d2346872ee249c23b66c537979e53feca721599264c0601b015bb86760b15efc918f4c
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhq:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYK

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1784	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1784	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	536a86c7e9ff24ee307ed8cd9a62e530N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	536a86c7e9ff24ee307ed8cd9a62e530N.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	536a86c7e9ff24ee307ed8cd9a62e530N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1784	1620	536a86c7e9ff24ee307ed8cd9a62e530N.exe	30
PID 1620 wrote to memory of 1784	1620	536a86c7e9ff24ee307ed8cd9a62e530N.exe	30
PID 1620 wrote to memory of 1784	1620	536a86c7e9ff24ee307ed8cd9a62e530N.exe	30
PID 1620 wrote to memory of 1784	1620	536a86c7e9ff24ee307ed8cd9a62e530N.exe	30

C:\Users\Admin\AppData\Local\Temp\536a86c7e9ff24ee307ed8cd9a62e530N.exe
"C:\Users\Admin\AppData\Local\Temp\536a86c7e9ff24ee307ed8cd9a62e530N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1784

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
43KB

MD5
8242dbf32692e66bc36d79acb1f75807

SHA1
877605924c798e4fc2b176d0daa07d3f3acb6042

SHA256
c1adaea7917643ce51f501a81390c41eec1696e45d69bdcae2865d861530e5b9

SHA512
1ac9fa8b013ddb5f158ca81b0e5f1711b263deb475f2f6badfd66e21e23bd134b52e5d61cc719b72fa9b1770fa0403d5fad322f0c4b91b1dba087d98b66f7e97

Download Submit
memory/1620-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1620-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1784-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1784-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads