c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667f

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:22

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General

Target

c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe
Size

66KB
MD5

00254b1d2ddfbddcbc1d71a83e2dcbb0
SHA1

c3505107b864405cdd3deb3812d767802d461b01
SHA256

c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667f
SHA512

f8a4872d4892d56159b1ec81bf630567532c1ff852796b685eecb58b01969d4e7e2373efe7a307b34b973473f121509c883fb5e75c28d1117c2a682e8283104d
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZYhB:lAo1lOwvlKlXBP6vghzwYu7vih9GueI/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4056	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4056	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 4056	1756	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe	82
PID 1756 wrote to memory of 4056	1756	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe	82
PID 1756 wrote to memory of 4056	1756	c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe	82

C:\Users\Admin\AppData\Local\Temp\c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe
"C:\Users\Admin\AppData\Local\Temp\c98ccc50632b2a06225b8e2bac243ab1c2fd169eed505b7d566da6379103667fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- 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:4056

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
66KB

MD5
dfbe38c8612bc61a699088fa116ca14c

SHA1
1fcfc7cb34147d7cd8c9e868030e1148e50e124d

SHA256
895ae728b7392fbb4246d8ea0e5ae73d35c205caac397eeaae2fc3325141fbd6

SHA512
d49fb19df4a9874ed865d34b680ba61f8135cdebbe275fb3865ab2c9218bd66d7a2c554777d82a6783732b071488e0a2ac4e435eb2083f56513bc39a8e7f8226

Download Submit
memory/1756-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1756-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4056-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4056-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads