4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 00:16

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General

Target

4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe
Size

63KB
MD5

dc2682f7f727b35932ab58fdd2569ab0
SHA1

03cfd02dcc1031e089da56cb6e4ea6395dc0d357
SHA256

4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435
SHA512

2c3d2ca72312d26439dddf3184ddd24333e9be6883d50d3bc689685000d69f243af900aae50237e5cc9cffd825b42306fafb7a3d8304377927fa198c109609f4
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+uZd7ZYhH:lAo1lOwvlKlXBP6vghzwYu7vih9GueIV

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
556	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
556	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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.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	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 556	1880	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe	89
PID 1880 wrote to memory of 556	1880	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe	89
PID 1880 wrote to memory of 556	1880	4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe	89

C:\Users\Admin\AppData\Local\Temp\4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe
"C:\Users\Admin\AppData\Local\Temp\4c113b6371675940791470769767540c5fdec562651020ea39569b0e19a5d435N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- 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:556

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
1⤵
PID:912

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
64KB

MD5
2a6b06160341b683d1fa51c74a41ba9b

SHA1
ee85e38b632e7da657419e9a862bc89d81a787cb

SHA256
6dbd3c2d0ccfcec321d4d58927896d0ee2eb9627781bf65093b54b14edf5ba07

SHA512
2a8f9286113daf0dbbd1eaf34d3b23e833ee1a26e8557ffd4c5f8ce0f31e0a6e6bcfe72c4ca2bfc38f089d3edb7795522c1f1bd47a404a15a67350f4aa0799c3

Download Submit
memory/556-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1880-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1880-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads