331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78d

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2024, 09:24

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General

Target

331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe
Size

25KB
MD5

7cfbe79e5dfbee1de564550a5495bf70
SHA1

a4b05f67460b0a959ec4bcf0d27ff6c0e4f09063
SHA256

331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78d
SHA512

28ab496005876b7c436d2b026f8557bd303094769bd2c659baec884e10896baf6fde04d871b4c07c0933953d491863bff833b268cea5365ae88e6f25034f858a
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IErqyEOGNFbuSxhLIsv/hhvWhvKO:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1268	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1268	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.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	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1268	1200	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe	85
PID 1200 wrote to memory of 1268	1200	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe	85
PID 1200 wrote to memory of 1268	1200	331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe	85

C:\Users\Admin\AppData\Local\Temp\331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe
"C:\Users\Admin\AppData\Local\Temp\331a0fc8cd572a9c140cec62fdac6e42f421ba712db2a0490cfe4f8700b8d78dN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1268

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
25KB

MD5
82628fbcdb67c98281889a206fbb0d60

SHA1
5b1cf20b0148e4a0605d6de5bb7a1336d1af58e5

SHA256
f54fae17c3aab7fd723ec743b05fad02fabcdb8975b775fd3413b9693fc7b5f4

SHA512
003182ad9e295b16dc0731aa15fe18e5e373407845962bf748e85254fb07080c5be0e71d1b8f17c0d07993119212df8b0d5706a64a5f8fb503ea7b2acc649390

Download Submit
memory/1200-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1200-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1268-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads