26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585

Analysis

max time kernel
149s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 19:50

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General

Target

26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe
Size

34KB
MD5

bfb7e04e410f97be5105e459ce14df9f
SHA1

5eaee158e9d66c6749b9d76931a8daeb390a980f
SHA256

26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585
SHA512

51b5abb0389977e6c0b31d041c617662df58f3490232859d62793e646df7bb436e169529d878cd075903eac00b774bdfb617939afb6e22de4136dc07d1bae864
SSDEEP

768:/qPJtHA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhv:/qnA6C1VqaqhtgVRNToV7TtRu8rM0wYP

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

4460 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

4460 microsofthelp.exe

pid	process
4460	microsofthelp.exe

pid	process
4460	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

Drops file in Windows directory 1 IoCs

Processes:

26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

description ioc process

File created C:\Windows\microsofthelp.exe 26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe

description	pid	process	target process
PID 1848 wrote to memory of 4460	1848	26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe	microsofthelp.exe
PID 1848 wrote to memory of 4460	1848	26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe	microsofthelp.exe
PID 1848 wrote to memory of 4460	1848	26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe
"C:\Users\Admin\AppData\Local\Temp\26e463a12f16dd0b7005f89c016d76903cfe6e1814252c4a52c64b974d378585.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:4460

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
34KB

MD5
df43fa4092cb4bf6028f807070d86d1e

SHA1
bb990132a789edc2d4e23182652617abcd5a4aed

SHA256
736f48ac59b72ccdada26cab899f7e656ae6f83776e0104f141388968f8c1bed

SHA512
63ebd43847f71a12235b1d99ded1afaef5cc5818d02ccdd81d23b1a9a5bfad6932ce9948352fa69a3b5c85488700ba40b111498a077edf1661cc0374db9a579f

Download Submit
memory/1848-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1848-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

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