78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27

Analysis

max time kernel
149s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
03-05-2024 23:21

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General

Target

78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe
Size

27KB
MD5

5010c76ecbee6630aba064836ec0ea78
SHA1

3ccdd57fc5cf337841af72fe1989607a64fa1687
SHA256

78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27
SHA512

8241a43012d21a2846f327a1e2a1237bb79f5d9c0c03e99e59f39a24458f2aa1674481e1b01df4faee4dd09154c195383375822dc15ab3c6d3b41ba45a45b33b
SSDEEP

768:/qPJtUA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKhJJhgcc:/q0A6C1VqaqhtgVRNToV7TtRu8rM0wYX

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
436	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
436	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-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 436	4092	78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe	83
PID 4092 wrote to memory of 436	4092	78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe	83
PID 4092 wrote to memory of 436	4092	78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe	83

C:\Users\Admin\AppData\Local\Temp\78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe
"C:\Users\Admin\AppData\Local\Temp\78073be33bd401f1696a1606abc8f035a1ca9a574ccec3178466b0fedf648c27.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:436

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
28KB

MD5
4ff39a67f506265c9e44ca1a8cddfc19

SHA1
2bdbccbbfca02f8f07d5b92aab990f267a12a962

SHA256
58b90643a0627f49a8b971a325fa6f32845ad9f4ac70426ea65498f52ca73d30

SHA512
227f785e22f7811352982753f19894774f635b349393fbdb3c5c404de4047f72267acda8c745e640dd34a1784c818e5fa2d022c49665d9073416aea57577687b

Download Submit
memory/436-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4092-1-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads