9373a99d86c971504489af17795fafb82d58eafffde03e39a7ce130fca2243ed

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 16:09

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General

Target

1238da03f80d4589a2424c4d4e454ec0N.exe
Size

55KB
MD5

1238da03f80d4589a2424c4d4e454ec0
SHA1

d4adc56cd7a5893464877fff39f95c539f33255b
SHA256

9373a99d86c971504489af17795fafb82d58eafffde03e39a7ce130fca2243ed
SHA512

c1fbebca31a639cef1fff948f2e0b37a83d590615c2c4920c965c03e1f9a2fea54cb98e6eb44296363325295fe19326df4a77660019ea84ece913b8b51aea5a8
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIX:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1320	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	1238da03f80d4589a2424c4d4e454ec0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	1238da03f80d4589a2424c4d4e454ec0N.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	1238da03f80d4589a2424c4d4e454ec0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1320	1212	1238da03f80d4589a2424c4d4e454ec0N.exe	84
PID 1212 wrote to memory of 1320	1212	1238da03f80d4589a2424c4d4e454ec0N.exe	84
PID 1212 wrote to memory of 1320	1212	1238da03f80d4589a2424c4d4e454ec0N.exe	84

C:\Users\Admin\AppData\Local\Temp\1238da03f80d4589a2424c4d4e454ec0N.exe
"C:\Users\Admin\AppData\Local\Temp\1238da03f80d4589a2424c4d4e454ec0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1320

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
56KB

MD5
504d7e4d9dc8f4518f5db75f8cca9e4d

SHA1
225d2bfb3a57e77ea20bd746900a19d3f4424d6e

SHA256
c1ddde95e9ca5f915a53daf91b517c073072a928a2d129b0a69af131d983de05

SHA512
645068d9420ae5c23ddf5c9ee8ad70a93e11ef2044cb0f76d5170290e60ff23967ed641adc5d1f3f964968045e4b1fb97791d80695982a056129626582389fb1

Download Submit
memory/1212-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1212-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1320-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1320-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads