b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 21:58

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General

Target

b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe
Size

72KB
MD5

c15cb3c7411a11b43f0985e71875e670
SHA1

a7d1a3fd719eacc284bd9ca6585e323b5db6db2e
SHA256

b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63
SHA512

a7bb96bea46e294439197317c15075bc89bdd22295e8223565965fceec40b453d1d11257f472866abdb359b503c725a0ca8e22acf968a6711ed32e312f1f7abd
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johChPhnhHV:lAo1lOwvlKlXBP6vghzwYu7vih9GueI/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2132	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 2132	1604	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe	28
PID 1604 wrote to memory of 2132	1604	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe	28
PID 1604 wrote to memory of 2132	1604	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe	28
PID 1604 wrote to memory of 2132	1604	b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe	28

C:\Users\Admin\AppData\Local\Temp\b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe
"C:\Users\Admin\AppData\Local\Temp\b622ef38dfcc73991ac1f9204e6df6fd01358560593f9fcaa628434bfd98ab63N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1604
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2132

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
72KB

MD5
c5a7228fec44030cfbadeda5237cbbf0

SHA1
8ba43c18b399c2e2800694e19757bad2b032d3db

SHA256
8e2152894cf58ac649f4f6a3a369082231f84a8bca47cf62351eff113047e9f9

SHA512
b68ae0403f7a60d6570f35e7b9a61271ef9e80b048b29718530fac8e6e7fd6af6c640b31954f354489b2b3d049be438175c0ff8b6eb6266ce8b98980cb26ccee

Download Submit
memory/1604-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1604-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2132-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2132-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads