a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11/10/2024, 23:36

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General

Target

a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe
Size

73KB
MD5

efcddbca50418e08c9f1408389f93240
SHA1

78ba5b9d714a8df86d833942555df990209c6eb2
SHA256

a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17
SHA512

6db9055b88e1cd7fcc65a189e380800b1f6bc9d5e89fc8774d539609ec69403fe8cc8ba65fc3471ea570f18e18bb0144a5f093fd7b512be502ede16fd49e8ed4
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/W:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAW

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2340	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.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	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2340	2200	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe	29
PID 2200 wrote to memory of 2340	2200	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe	29
PID 2200 wrote to memory of 2340	2200	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe	29
PID 2200 wrote to memory of 2340	2200	a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe	29

C:\Users\Admin\AppData\Local\Temp\a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe
"C:\Users\Admin\AppData\Local\Temp\a9bd5f10e35cb1bf198249e2757fbaea96a441be20e1cb755fb5785a4ef48e17N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2340

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
73KB

MD5
2996d67d7037188fc00c6f1600916cfb

SHA1
ffe80202b9b49b5ab4f1edc1da8bc6526fc912b7

SHA256
28c891acaa230167f595783bcfeaf4588b62f9c4257bf572c0b2f0424d0e293c

SHA512
6e0ad8634214b6b21dab3ef98c06646876bcde81d152ea211efcf813261166c57e4727f1d44f730cdbaf6ac8f7b76bbbfdb235f2695353c083f11ad6e2816d34

Download Submit
memory/2200-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2200-3-0x00000000003C0000-0x00000000003CF000-memory.dmp

Filesize
60KB

Download
memory/2340-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2340-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads