d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2024, 23:23

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General

Target

d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe
Size

49KB
MD5

66927ff54ac308d5e0230d339e36dbe0
SHA1

92a96cfe4776bfc3dd43c4bf91d8e7299c7c4593
SHA256

d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0
SHA512

b395598aa2fb504a7c15485d37ccd66c4ca576c987b9fc3e69742fb5848a9697b8a1cdd8d548e9d99e732d862b1c7383e9c9d5798d3d0accd88e21a4b69921da
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI8:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3668	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.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	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 3668	4280	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe	82
PID 4280 wrote to memory of 3668	4280	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe	82
PID 4280 wrote to memory of 3668	4280	d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe	82

C:\Users\Admin\AppData\Local\Temp\d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe
"C:\Users\Admin\AppData\Local\Temp\d6a4e443d82396a97ce40d38ec93f408a0f1dd10ff5074feffeb71ac0d127af0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3668

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
50KB

MD5
34543f7b237497ac2dea68bfc334702c

SHA1
d87df5fddc900af494ef52bd7af670118132531a

SHA256
2481bc343c3d0f389de4de565d0f31ae53119deaf1945c8295d0f57b2d47ffbd

SHA512
eddd3b6e7bf81c78b458e5c42b9fef8bb20c9bffaa8d3d476821b1474007e5cab4e56423b818f724f9344f8c6c62f5ba4695424f41cc82932e32bf5a1b0b5517

Download Submit
memory/3668-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4280-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4280-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads