a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 01:49 UTC

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General

Target

a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
Size

42KB
MD5

d09a6d68797729f21edb555effc48650
SHA1

2de146ffcd083a8471f8be6fd4f5c98ebea93d9a
SHA256

a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07
SHA512

c09281e956492ab129297f361236e8a4b13f597f0795ac883d291d5ecd1defb65e6c8a3e2e49d859b5ed5967647b2b2087f9552e6a3fd1b303c878e41c3e8d5f
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhL:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYr

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2364	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	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"	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.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	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2364	2000	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	29
PID 2000 wrote to memory of 2364	2000	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	29
PID 2000 wrote to memory of 2364	2000	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	29
PID 2000 wrote to memory of 2364	2000	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	29

C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
"C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2364

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
42KB

MD5
e9aef9f9144e50d3d285f9b0d311ac42

SHA1
c3c01d2852494f4048103dd5cce816e6edc5deac

SHA256
432e0d3b37797369d195edce2ae7131953ce13d38a653c0dd7bcb07536b57a22

SHA512
a34c849b1fab863abfab2bf87cb8da370de68cfeb323ab262672997e00ee5343370b2386e88f74cf98448e6a6cbb3479e53853cb02b6ea750e50c25be7c55eb6

Download Submit
memory/2000-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2000-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2364-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2364-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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