3aa52572c3af94c993f24ad94f6943fffb46232b6e887895d7fd3b28650223bf

Analysis

max time kernel
120s
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
14/09/2024, 21:12

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General

Target

d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe
Size

47KB
MD5

d0fc8ccb9330e7ff1aac22dc7ce210e0
SHA1

15c0cb752422f015e0eb4723ec87a8334304643a
SHA256

3aa52572c3af94c993f24ad94f6943fffb46232b6e887895d7fd3b28650223bf
SHA512

ad813eec686f960d448e70106c90ffda6af785d1374a52d6c6639a41f6962217c58753a83bde96818f917cc9c9682faff4b7d9f49f3edd14d85965bc7bc5bd70
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhp:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYJ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1900	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1900	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d0fc8ccb9330e7ff1aac22dc7ce210e0N.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	d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1900	1728	d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe	83
PID 1728 wrote to memory of 1900	1728	d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe	83
PID 1728 wrote to memory of 1900	1728	d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe	83

C:\Users\Admin\AppData\Local\Temp\d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe
"C:\Users\Admin\AppData\Local\Temp\d0fc8ccb9330e7ff1aac22dc7ce210e0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1900

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
47KB

MD5
a26ec7f96d44f11a5575c49b770f3641

SHA1
fe51ced98a8d67e193ea8a50c63b8b3b6f4142f9

SHA256
eb00e082b4ee4135a723a5fe5b25aaeaecef4e4ebfb2dfc8846abc21bae79a67

SHA512
8555b9b84cb540b3bee059cae53cb2b6f9849d5b55ec475ad508e34351110a48ec9e0d8affb0e243c7c8b8532cce52b0a12050b6a54f471bb286e7a613fd6907

Download Submit
memory/1728-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1728-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1900-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads