a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1

Analysis

max time kernel
149s
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
28-09-2024 00:44

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General

Target

a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe
Size

63KB
MD5

031b915f193e2ed5c3ea477e0e6bcdab
SHA1

8cc775ff83b7193410c62ea01ca2c6ab03d32662
SHA256

a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1
SHA512

e59b2fb9ab9adf786806cbad280bfc7f8e7745a28d8087b911ec9025972a6c01bdd5189c40123e2d9186b0f10a95d4eb97e5a33b3e8c798b8f4855a7aa048689
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKjhEhzh2+:NAoglOwvl4ulkP6vghzwYu7vih9GueIP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3364	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3364	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 3364	2400	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe	82
PID 2400 wrote to memory of 3364	2400	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe	82
PID 2400 wrote to memory of 3364	2400	a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe	82

C:\Users\Admin\AppData\Local\Temp\a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe
"C:\Users\Admin\AppData\Local\Temp\a671fd4a5ccddd7414971b295f72ce0576ea34133a17a2359a41b7af0a5588a1.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3364

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
63KB

MD5
f57ebaf855aa88190641ac8899064ed6

SHA1
9a3f93cb337cc56966c5fb3ffc1f0fdda345bca1

SHA256
9ae858edcd62e93ec474a6df3f11df03f7216b69be33a903788c9336a2d8be89

SHA512
15e5061391882e5172aba1baf5dc0e1b13ad4f31f1537327e2465a11fb1fef082f92ed9451852a9927815410861f0f5fc0d20789ee38a404e22f43c05aa7e6e3

Download Submit
memory/2400-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2400-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3364-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3364-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads