3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 20:37

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General

Target

3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe
Size

72KB
MD5

dd1065759f0d614311c5bfdf165e9e91
SHA1

406525b4280f8ac571a026c9639a41df538f2bb5
SHA256

3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97
SHA512

dcd127ebdf5d4141d14451801ad1ced43c7eb4d5c56d96e84683b6c2e7c5bbce34216a6525946e3a9ab22a66f147e700ea5765919779bb781ade4d4a868ee419
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTe:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAc

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3056	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3056	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-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.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	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 3056	1640	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe	30
PID 1640 wrote to memory of 3056	1640	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe	30
PID 1640 wrote to memory of 3056	1640	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe	30
PID 1640 wrote to memory of 3056	1640	3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe	30

C:\Users\Admin\AppData\Local\Temp\3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe
"C:\Users\Admin\AppData\Local\Temp\3b93fe673789c7f982a96f80c6b9bcae36ed9ca82817ee7fccd9381b58727b97.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:3056

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
e05bfb97feb2c49c48d3e681ec3a612e

SHA1
4b2a721addc4eae08238c336449df52130f16bc3

SHA256
3d91fe846ad1f7419c0b2858668d3fb5e4add88c513503413601584e2e1c2c0f

SHA512
c61578fea9ea8670b9fe1b9ce891633a35756d5d4e1d12c043608ba2bbb6ea9621970d07cf4d158abbe7b826207ffa211db2901af1a320252364c12ce07d6ccc

Download Submit
memory/1640-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1640-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3056-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads