4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 20:56

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General

Target

4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe
Size

61KB
MD5

629af6083bc0bed26f3ac090672fd3ea
SHA1

ecf72663c8a4461b6a258927a8edae23d3ac915f
SHA256

4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366
SHA512

d0240f365162462d1deb35737754ba52a0ca049acc7031a4db217cbe8e94ed135a00872da2fb41f19be13f0346677125c461bf3b3118cc8c7a2cb3e730f6357a
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhID:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVd

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2828	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.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	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2828	2856	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe	30
PID 2856 wrote to memory of 2828	2856	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe	30
PID 2856 wrote to memory of 2828	2856	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe	30
PID 2856 wrote to memory of 2828	2856	4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe	30

C:\Users\Admin\AppData\Local\Temp\4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe
"C:\Users\Admin\AppData\Local\Temp\4946b43988503745c6d3232ccf3a843f402cb5ee4b61f10103b616788b961366.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2828

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
62KB

MD5
cdcf37044853c6fce9e83d14d1c0f3a6

SHA1
8ea4c0d53ac5cc03a3397d11c27e93060d610d68

SHA256
6af9c30eae2ebb3cc0c6e68406002e84fb4f6609c93c35e6f7ab99367fa4a902

SHA512
3f1bfb50822f088a674c2ca29343fbd446cd12b6ea6da25e472b918c7aec86ae9e44931a1f355f5eefb3bd797fd56f03940073266bd861d398625a425350b15d

Download Submit
memory/2828-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2828-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2856-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2856-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads