355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075

Analysis

max time kernel
120s
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
05/10/2024, 02:28

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General

Target

355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe
Size

58KB
MD5

86c8028c520c945cbe71593b8479d400
SHA1

a45903add442628bb813407713ca4563cc27e2f3
SHA256

355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075
SHA512

9d41b150eb9fc29939f53f5952202f8339563f06eac7d8253c601c42ba2339e0be4516d009dc631455a1001812a075ea6640b174e15835cb4a04820590270b6a
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIu:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV8

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5040	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.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	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 5040	3956	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe	82
PID 3956 wrote to memory of 5040	3956	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe	82
PID 3956 wrote to memory of 5040	3956	355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe	82

C:\Users\Admin\AppData\Local\Temp\355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe
"C:\Users\Admin\AppData\Local\Temp\355eee474f3a43e95b0939205160db5a616afa36d171303fd4450e781e6d0075N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5040

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
58KB

MD5
10632cf655cc71789dadc194f119d04f

SHA1
b4cabbd4e225d0643aae3cadf0f5d745860b8f82

SHA256
5840727aa566d7ca4ec21c34c24c0e3291a47b38fcf8aa5453b56a0e192e4d79

SHA512
ddb3417cae3cb501110eee8a96fb578956aabccdad3c1783b6dd88c44f8e57aef2bdc4f3f6fbfed1870408433c7eff31873a607193799e191ee9c5dccc106c1c

Download Submit
memory/3956-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3956-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5040-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5040-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads