4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 05:15

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General

Target

4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe
Size

40KB
MD5

7140499ea35b5ca859ca0ee50a0b2670
SHA1

839bfdf686149e43617844ee3a99c82df2b9b494
SHA256

4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5
SHA512

67bbd42d29d60816277cfa348aedb2929d22f39ae92770b91f905cad312589bb22eda614855f8a98305e686f8dd093241caa9a50cbe76f4b37f8ccd3906dcc0b
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6v8tvGE9UHrSdghj8bvHRIkhbUIchUh8f:e6q10k0EFjed6rqJ+6v8tvGE9UHrSdgN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4556	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.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	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4556	2988	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe	82
PID 2988 wrote to memory of 4556	2988	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe	82
PID 2988 wrote to memory of 4556	2988	4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe	82

C:\Users\Admin\AppData\Local\Temp\4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe
"C:\Users\Admin\AppData\Local\Temp\4c0e9cd63f0561bda9dd3ec72d45f795d2010637ac99aa2365e8aff87ab937e5N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:4556

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
40KB

MD5
c3f2930a09ad0f43aa22e778e32fe97f

SHA1
3938f45db0cd3ff9e02c59983f8477d1e12b9e5b

SHA256
ca7c929428126ce576618bbd15da87ed349840cd03b097317e1c10ac11bdca9b

SHA512
de337c668dc8718eb263b9550f06fd3904ff10eab5d53d35cc953a799f4c0ae6232a6cd0a041db332d3bb530dc18e93937bb4251a33ac05883c67e98c945bc2c

Download Submit
memory/2988-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2988-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4556-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads