84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0

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
30/09/2024, 02:53

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General

Target

84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe
Size

55KB
MD5

452e3b62ceb24cb0cbef20fb6c3a1270
SHA1

996b9839e0e9abaa247eb6d5ed08e801bb32f89f
SHA256

84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0
SHA512

d177f903b41a08587101635a450694380e2dc25757da3dad25ebf5af03b4d9f1aba8a2567df85cf8214577e8d94c79bf4d7e9e6de957e58c177f9bc56d6fb02e
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIm:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVs

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
468	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
468	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.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	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 468	1736	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe	82
PID 1736 wrote to memory of 468	1736	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe	82
PID 1736 wrote to memory of 468	1736	84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe	82

C:\Users\Admin\AppData\Local\Temp\84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe
"C:\Users\Admin\AppData\Local\Temp\84a55f857c94aae8cc6ce8c9e95d4101a1b2857f2e7c679b4537be369cf394f0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:468

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
55KB

MD5
b743ea951a99337a9bf60fb7ff91cd59

SHA1
133e916f4f742ca40e4eb78e55647cc31c6d9566

SHA256
6a1edc066abbc94d422d487bca8323efb8fe5a4a7a1c8a56f2f66e1bc300abbc

SHA512
ae37bca755fe46fb61ad52f42736e1ca8d3033785ecede48382fcf9472afdc067aca216cc1c542505ed1fcbf5fbd9f5cddde6bc9d724694389d153365d92c8b7

Download Submit
memory/468-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/468-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1736-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1736-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads