c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9e

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 07:31

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General

Target

c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe
Size

50KB
MD5

029e15d788584229ec1a3e796fb5e840
SHA1

cf77fdfae6f47c020e2796d85bc255def52ee7e7
SHA256

c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9e
SHA512

cdb4971a98688f91d3faf8c77e528e578561861e7ad231a29b17c67d6dbee3135324960b80886da8f538f36ae6431f7abf4a420e5b5913d8dc1f562bcc9b7713
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhId:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVT

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2868	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2868	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.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	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2868	1448	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe	31
PID 1448 wrote to memory of 2868	1448	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe	31
PID 1448 wrote to memory of 2868	1448	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe	31
PID 1448 wrote to memory of 2868	1448	c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe	31

C:\Users\Admin\AppData\Local\Temp\c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe
"C:\Users\Admin\AppData\Local\Temp\c89264d66332cd9f8f63a6256751e61d05a14beba2bdc247879e40e9f8505b9eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2868

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
50KB

MD5
9c09c94a9cda76cc54ff8fed191e864c

SHA1
110f794d0be8e49f7a1f60eed1a32b0f5ba94c54

SHA256
5fbdb66249dd4b0fe61ff3951ddb28255aa341a8d9fe163ac9efd2c54597cb7f

SHA512
4f0215aeab4ffc446eb68ab9abc3f73fca6d512aa3203a8da495524c2fe49e72a7bfd47d89f46de2915bd1ee8a6afc08e2ac519eadaa9beac22a927fbfd99098

Download Submit
memory/1448-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1448-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2868-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2868-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads