82597ba16b24fa97cd5d9ac608e68a8e9994a828bac9961e9084c368ca35c628

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 20:06

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General

Target

c96809f6331441516a186ca43cdf9b90N.exe
Size

60KB
MD5

c96809f6331441516a186ca43cdf9b90
SHA1

7964037ac96463dd742fc33dbaeb7ecd6159c5f9
SHA256

82597ba16b24fa97cd5d9ac608e68a8e9994a828bac9961e9084c368ca35c628
SHA512

530c2c922b87fdea59e2d5edaac04e35285f363b6476235704b7ab168d38e6da9840f42e0b7421a9de71f8e6a378b71ffc532ab2a684bf9d6d5f919b06b09d47
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDhNIhH+Z:NAoglOwvl4ulkP6v8tvGE9UHrSdghj8q

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4572	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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"	c96809f6331441516a186ca43cdf9b90N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c96809f6331441516a186ca43cdf9b90N.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	c96809f6331441516a186ca43cdf9b90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4572	4840	c96809f6331441516a186ca43cdf9b90N.exe	82
PID 4840 wrote to memory of 4572	4840	c96809f6331441516a186ca43cdf9b90N.exe	82
PID 4840 wrote to memory of 4572	4840	c96809f6331441516a186ca43cdf9b90N.exe	82

C:\Users\Admin\AppData\Local\Temp\c96809f6331441516a186ca43cdf9b90N.exe
"C:\Users\Admin\AppData\Local\Temp\c96809f6331441516a186ca43cdf9b90N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- 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:4572

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
60KB

MD5
dc6c20aee501f757cddbcb30a02070cb

SHA1
b01fc07f670d97a8b65e5bf0b2bbd821be776ef9

SHA256
20200852aa942dea824b89386b75b8fec2533c324ea3f6f5f491e672143365cc

SHA512
454ae235eb34630ac5dd9c856a299d6313a80f3320e4cad1931e15c70ff36f7addf32e172fdacca0f65fd4048bfcb6b00dbf26aaf85dcbdb6ebd426fabde2ada

Download Submit
memory/4572-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4572-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4840-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4840-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads