668e01fa511937fc22481882669ac05d2e0e912e03449c0a9f1efdf7f87c9fb5

Analysis

max time kernel
120s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23-07-2024 23:54

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General

Target

23540de42aa9d6868870e5d14224ee30N.exe
Size

42KB
MD5

23540de42aa9d6868870e5d14224ee30
SHA1

bf991756426e0499eadd3ef0696f197c3245980d
SHA256

668e01fa511937fc22481882669ac05d2e0e912e03449c0a9f1efdf7f87c9fb5
SHA512

5177df02878722428c835bb503bd269855da395daa3c484dd00d9d380335437432d2d29928a1e3f9223f61beaa835e8a5c994d563d8c1c9e1b42265f1054b4aa
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhh:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYB

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1580	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1580	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-1-5-21-1750093773-264148664-1320403265-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	23540de42aa9d6868870e5d14224ee30N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	23540de42aa9d6868870e5d14224ee30N.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	23540de42aa9d6868870e5d14224ee30N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 1580	3104	23540de42aa9d6868870e5d14224ee30N.exe	84
PID 3104 wrote to memory of 1580	3104	23540de42aa9d6868870e5d14224ee30N.exe	84
PID 3104 wrote to memory of 1580	3104	23540de42aa9d6868870e5d14224ee30N.exe	84

C:\Users\Admin\AppData\Local\Temp\23540de42aa9d6868870e5d14224ee30N.exe
"C:\Users\Admin\AppData\Local\Temp\23540de42aa9d6868870e5d14224ee30N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1580

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
42KB

MD5
28954f739a5bf934a9e2d5020c7e16dc

SHA1
3ea8f76cd9b47f7d50a32de4bfc8ba915f891634

SHA256
ac421e8734c97d7a0bf1215c875e6702c640f97883955927f2fc2e45b289349f

SHA512
edaab1943dd01e2ea68b5468c9e6d4f2b6f6d94c6e2204559569ebf2040db65d5eb9267c07484efb668fb758f6b42d71e3b8d383b465a9e86e55d17d8e807e64

Download Submit
memory/3104-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3104-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads