74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 05:03

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General

Target

74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe
Size

40KB
MD5

8a4ea214c56a7f96669c94aaecbd9950
SHA1

ed53cd56ed252b9c00bbb5df290d340ab0869ed0
SHA256

74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125
SHA512

2bb13fa545a1beca74e2da1052fe8c074cabdaed454370008fba6d02d0acbad9d10953d542cfaade871a7cb6ee4b5d16e8de1229bb8dae9db94f0d8ec3c3805c
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhF:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYl

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2276	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2276	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.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	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 2276	4464	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe	82
PID 4464 wrote to memory of 2276	4464	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe	82
PID 4464 wrote to memory of 2276	4464	74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe	82

C:\Users\Admin\AppData\Local\Temp\74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe
"C:\Users\Admin\AppData\Local\Temp\74086906b25960d49bc8438bd6e4341db21517ddbee8e5a8aeb6092f1129f125N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2276

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
41KB

MD5
bcd79db98fd242dec337f93359070667

SHA1
8cd97227cb2304096a43c6cef78576badb73221c

SHA256
3003937e5e4f458138887b198553394507b42409e50b2b72e0dd8fe9d3e009fc

SHA512
03054b9689b7ea8242824c59bb33405e0db58fca3a3585fed809f247e6864b5de720f2d977bf2f2c334ad0f8a26b17530cf211f06764e612d34515828f22e4f7

Download Submit
memory/2276-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4464-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4464-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads