12ce4d99b3901bf10950d84a392cf252fd7833f9c322fbca009ca66f3fcbff5c

Analysis

max time kernel
120s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 11:44

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General

Target

1cd84993ed38c6519d9ae7c76c040100N.exe
Size

39KB
MD5

1cd84993ed38c6519d9ae7c76c040100
SHA1

8a26ddcdc9cf5955739a94c70240e16d739d8d8c
SHA256

12ce4d99b3901bf10950d84a392cf252fd7833f9c322fbca009ca66f3fcbff5c
SHA512

04d29ecaefa2f4e4c6094368d938341cddd8196fc4f73a8e7c6b25269a79142f0f62c2694511df69d379e37d79414d2997f026140375a7fbc0ea533e369fb06d
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh+:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4756	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4756	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"	1cd84993ed38c6519d9ae7c76c040100N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	1cd84993ed38c6519d9ae7c76c040100N.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	1cd84993ed38c6519d9ae7c76c040100N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 4756	2684	1cd84993ed38c6519d9ae7c76c040100N.exe	84
PID 2684 wrote to memory of 4756	2684	1cd84993ed38c6519d9ae7c76c040100N.exe	84
PID 2684 wrote to memory of 4756	2684	1cd84993ed38c6519d9ae7c76c040100N.exe	84

C:\Users\Admin\AppData\Local\Temp\1cd84993ed38c6519d9ae7c76c040100N.exe
"C:\Users\Admin\AppData\Local\Temp\1cd84993ed38c6519d9ae7c76c040100N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4756

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
0e0bdf1021625e1a9f9f927d51e88c61

SHA1
445feb1535c9de2bf1b7723aeda73825ad9227da

SHA256
100dfab2c24b00444c0577b0f7be09e5a768f5136401b4abf05207b8267a4118

SHA512
b025ec856df8ce7833503b646083511741b22b0a2a9cecfa1f6317d63c7f6171094f4489722a2d7d543ad7ef5a8fd905a82bafcbdd6ee9b127add3a853012d37

Download Submit
memory/2684-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2684-3-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4756-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads