bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/10/2024, 21:26

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General

Target

bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe
Size

53KB
MD5

2f7bd76c88fe70ac6217c55b54e61020
SHA1

229db2392c28432eb211104248c31e5aec56a95a
SHA256

bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6
SHA512

0edca4ed30915c69de8a813ceaed391e1bee753169358c8aa6b2e8a7b9fcbba551bb9c11675007ac6826dbd4f0a52d77dc53863443dcfece09522c5183d8408a
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVj

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1800	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 1800	1656	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe	29
PID 1656 wrote to memory of 1800	1656	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe	29
PID 1656 wrote to memory of 1800	1656	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe	29
PID 1656 wrote to memory of 1800	1656	bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe	29

C:\Users\Admin\AppData\Local\Temp\bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe
"C:\Users\Admin\AppData\Local\Temp\bd75e702cd55815448a20a515294357231bcfdd2e5bd954a82823ee12d2393e6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1800

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
53KB

MD5
fb6fd92aa2bcaecc90e33b96369140aa

SHA1
778a6d68f5311898e0b68121847280c6142b9eab

SHA256
98db6c3c7be0415c0a376728ec1b73a0b3ac5d645bcd226f99193d639d32f0cb

SHA512
8cccb0a7a5827b404c30359351b208c258966655f9a04203c162599eb244d46b16c292c1602af8da5bef4ae15b8f1b61ca235eef55da3c14f05f13758c708397

Download Submit
memory/1656-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1656-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1800-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads