d6d837a09b8421de22da5a714d6d59e8c134fb6542fe8a40b947b4915c28a75a

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-05-2024 16:05

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General

Target

virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe
Size

30KB
MD5

09f1bf5a10a02eb4216ee7c8fb48e1f0
SHA1

47eea6522bcb2946532a09c66d890bff55347c2d
SHA256

d6d837a09b8421de22da5a714d6d59e8c134fb6542fe8a40b947b4915c28a75a
SHA512

28e7b4c8671f28acbf71edaa3b48033e546a86e08da580a86c44d59cfb6e885622c4fa7a13064167e1a143b6826083a0555766431240825cb6ce1067eba7295b
SSDEEP

768:/qPJtUA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKhJJhgcm:/q0A6C1VqaqhtgVRNToV7TtRu8rM0wYF

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2024	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2024	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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2024	1100	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe	28
PID 1100 wrote to memory of 2024	1100	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe	28
PID 1100 wrote to memory of 2024	1100	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe	28
PID 1100 wrote to memory of 2024	1100	virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe	28

C:\Users\Admin\AppData\Local\Temp\virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_09f1bf5a10a02eb4216ee7c8fb48e1f0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2024

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
30KB

MD5
b41ef89320dea80c70db9709d9cbe93e

SHA1
be35f3655c6c2c4033e4b37aee9510c76671e052

SHA256
27cce91537288b8edb3e7d200157f07b6680465963a55244dbb462bb41e07b92

SHA512
3148e5f184981d6116067fbf9f5f978720addeb093fc380972b3022601e2ef35e77c3bd8711d34d440f41a9a78499361f9806f60b78e03a8e7c41bc2e034233f

Download Submit
memory/1100-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1100-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads