8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 01:56

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General

Target

8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe
Size

40KB
MD5

799e4bf97436a505d3c9412742aca700
SHA1

a7a441e30b57f256c21c2e2d11e840369d4db0c2
SHA256

8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20
SHA512

fe35d4655751c626791ba8cfe892d04ed18a6d25435b868415eaed77c4c943c04689e469bccce32abb929a063cd5780c1b904bbe144b8a8de030f6dd7e864ea7
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhr:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYL

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
848	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
848	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-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 848	3044	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe	30
PID 3044 wrote to memory of 848	3044	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe	30
PID 3044 wrote to memory of 848	3044	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe	30
PID 3044 wrote to memory of 848	3044	8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe	30

C:\Users\Admin\AppData\Local\Temp\8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe
"C:\Users\Admin\AppData\Local\Temp\8fbac78153a82027f927a25487509b08063cac3aed41da7dcc44e6801b564a20.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:848

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
40KB

MD5
cb0531d697161e421a5e4a0b48e22de0

SHA1
48a1347c84f166138ac4ba82affbe99dba55fea2

SHA256
591805bea3569d06879ffb4f423efa1e146869ab7b7745b11f609e011ff75334

SHA512
3f4c3216a62c151af9d3b314a2b26c0fb1516bfd5b0a58c9b2bdb5dec58c1c0fee92cfc072a7b6153654a430777294c3d2c039e17a930a6abf309858c54ec36a

Download Submit
memory/848-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3044-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3044-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads