9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97b

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 02:35

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General

Target

9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe
Size

63KB
MD5

4010caffc7f3ca26f08a9e2895d22e40
SHA1

69b29bed9f5cfbb6cd66ba99387caf0150e0b598
SHA256

9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97b
SHA512

03f679a5f93eb25440c2c57b9a0019d6321809b640ee451478e44aefe396f9b80e5696f805cc60748de3fbfcb233718eef306203b2fe14fc664cb8aa26defad2
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8hIbHS:lAo1lOwvlKlXBP6vghzwYu7vih9GueIp

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4612	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4612	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4612	2216	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe	84
PID 2216 wrote to memory of 4612	2216	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe	84
PID 2216 wrote to memory of 4612	2216	9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe	84

C:\Users\Admin\AppData\Local\Temp\9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe
"C:\Users\Admin\AppData\Local\Temp\9662c8a216f131e82991a690fd19094414be5e82741112d6be212c90d155e97bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4612

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
64KB

MD5
ce10af7deba125231511c2766e418642

SHA1
4798e649bbabb9599e29ae7158fbc1dc1bd9f9e0

SHA256
7de561d0c3cc2d5ec5356d4181314ebac0a5137b74dc38dd299b928bfa6e0c4a

SHA512
524159fa10821b494c0972b4976d73d0189b8e75b044915dcd1861cb4a132bdb79479b2db821dbe3555e1e68b24f29a1e9af3ad5fbfbaf732b82bd2fd8b8f155

Download Submit
memory/2216-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2216-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4612-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads