f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 04:11

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General

Target

f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe
Size

51KB
MD5

a1cf81ab9bb974397140519c144bf762
SHA1

c1a6d16314f00ecd9c113ea7043fd307ddbf10a8
SHA256

f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a
SHA512

356d03403d8d5c233e74cdd5b25c3917702d81a33d31d611b87a6cd6f244dc7d0a49b7df125f3b0676496fcb754ec584b3de203527e25ca27a561cb0912f7272
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIh:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV7

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2420	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2420	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.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	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 2420	1836	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe	30
PID 1836 wrote to memory of 2420	1836	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe	30
PID 1836 wrote to memory of 2420	1836	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe	30
PID 1836 wrote to memory of 2420	1836	f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe	30

C:\Users\Admin\AppData\Local\Temp\f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe
"C:\Users\Admin\AppData\Local\Temp\f09d8c4ef1ca227f141acb3cecb568406e0b3a2127948573afacce4b8dd17c8a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2420

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
51KB

MD5
a0eaa7e4574b5285ebdca6014eed6e16

SHA1
849c9fc6ca9e7b840fa91b65172b5a4589b51cc1

SHA256
5b2ee106b53ece904ac5726041e004e550534700b101d5a316c4c7a693e714f4

SHA512
225eee89d621ead951506b5a986dc48b0e76365d8ed7be8b237047452f6ed6a17d699f3f84df75f1177e459abdae965663b1af783cdb55a498100f42a11b0c07

Download Submit
memory/1836-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1836-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2420-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads