7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 17:57

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General

Target

7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe
Size

68KB
MD5

2c2a9d9e6aa48bd08d5e6c2a5908b6d0
SHA1

2d36e2ce85049818e500958a38363bfa383edbfa
SHA256

7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06
SHA512

328fb4304dd67cce6f5f6f950a2b634e93e4ec8eb4babd7948b6d796a9351a23bdcf7dbfc4d0d6b1c3f0887b37f4afbf07cc634e58d1eb01eb5c724a193a0b5c
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDh4PhihT:NAoglOwvl4ulkP6v8tvGE9UHrSdghj8M

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2584	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.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	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2584	1508	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe	85
PID 1508 wrote to memory of 2584	1508	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe	85
PID 1508 wrote to memory of 2584	1508	7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe	85

C:\Users\Admin\AppData\Local\Temp\7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe
"C:\Users\Admin\AppData\Local\Temp\7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- 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:2584

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
68KB

MD5
df51a64eae338094307680f67d6f473c

SHA1
fce690d293c131b50e1333fbd830f7d5146582ce

SHA256
fe0430a65b1da8135ff37b859ffc7f1fac3785046edafe1c6a4cdfd7b4c7c788

SHA512
1098ec99713d9c1cdedd0a3672c40804677081f05e131cb8517287cdb9c50ace5b7631dd6f5dae1e1d5e0ac894659b47dd89dae02c22afdf343e314745fdbe37

Download Submit
memory/1508-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1508-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2584-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads