170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 19:03

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General

Target

170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe
Size

39KB
MD5

7419bf8463ebca2af3ddffe1da90e654
SHA1

3a56d0d24ff411476a72fba8bb7eb0038ef5bf54
SHA256

170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2
SHA512

1bdbb5e716ac5161dfb8fb63aaa8f5e56106c5674bd626413110e8d4dcb3bf383dcd76112d47534d1ea43cc4b14a44091885ca76dfec659be0b5bc32eddc5a0d
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6I:e6q10k0EFjed6rqJ+6vghzwYu7vih9GU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2544	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	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"	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2544	2404	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe	30
PID 2404 wrote to memory of 2544	2404	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe	30
PID 2404 wrote to memory of 2544	2404	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe	30
PID 2404 wrote to memory of 2544	2404	170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe	30

C:\Users\Admin\AppData\Local\Temp\170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe
"C:\Users\Admin\AppData\Local\Temp\170f0f1f048a850b391aa0490794fd4b5d7c154e25833eb2c49cb4896e9fd7c2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2544

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
39KB

MD5
b9a067705f26733b1773d674a88f8e44

SHA1
231b53aee7b60ddc39d915aafb2adbe3104416b6

SHA256
b4cf0ce90593041b576b5b70556c38ee7bb3a5e0b53a600576022e929223ae9d

SHA512
c4b65173eb5c0375184d0aba9fa81082b0115d734f24aa5ae806d53171a073c5839a66d721ffd6e7a9f10a5305e09e7af08ebaefebb197283769be9f398715be

Download Submit
memory/2404-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2404-3-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2404-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2544-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads