34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 03:37

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General

Target

34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe
Size

40KB
MD5

04f4f48f9674fa3d3645d2b8c9ddfb10
SHA1

d19c2bce3c02de53c842c85e8a0a2cd6d70a6c0b
SHA256

34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b
SHA512

cc41407c6f33f37e4f77476a2b34ae1382b4c4f7dc737de956c40f180337126debb0e1669d9634b1b1ae6e5e9bb60c2034512acecdaaf0579373aa58deb35435
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhS:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYy

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2792	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2792	1364	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe	28
PID 1364 wrote to memory of 2792	1364	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe	28
PID 1364 wrote to memory of 2792	1364	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe	28
PID 1364 wrote to memory of 2792	1364	34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe	28

C:\Users\Admin\AppData\Local\Temp\34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe
"C:\Users\Admin\AppData\Local\Temp\34d003c9af1e3e149c2edcb2343671616f129095aae76e3a6a2a887197c9439b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2792

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
40KB

MD5
1449f1f4b9ce37b1306e0f929e1f2303

SHA1
62222ad0394a3722dff3fd9597e9971706cd578d

SHA256
45e1071377cc418474b02808b9686725e49a51e0fe8b8ab1588d34e7b61b9eb0

SHA512
9c8354061cb337d26cc77cd0b6adb70bce30ba7b56193f5acc1c38a95d33abe7e382d1765478dd0119c341dc59199d6875219a7747e88b667954eb352a50d5ac

Download Submit
memory/1364-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1364-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/1364-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads