887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 20:58

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General

Target

887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe
Size

63KB
MD5

16870d5d730fa3ed4d01a5c92f960100
SHA1

ab4cdc760057b6189750f2f8fb0668a9dd13222c
SHA256

887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490
SHA512

2ae6cebfe0d724f857497fa8f483981b279722b6c7e4c03f4f142c771261741763b8c8bb0d0fd88826ec969d82aa07a4796e50b31e95af33238499b3dc46feb2
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkh7:NAoglOwvl4ulkP6vghzwYu7vih9GueIH

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2816	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2816	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2816	2756	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe	30
PID 2756 wrote to memory of 2816	2756	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe	30
PID 2756 wrote to memory of 2816	2756	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe	30
PID 2756 wrote to memory of 2816	2756	887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe	30

C:\Users\Admin\AppData\Local\Temp\887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe
"C:\Users\Admin\AppData\Local\Temp\887329173f308568d9c9cf6e1bab02b9fb8422d61cb1f253d828dbaa78490490N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2816

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
64KB

MD5
0249a74482fba17f3ba39474c70a4757

SHA1
4c24d6f04fda0f692bc29973b1548a005c2108f0

SHA256
103e61f57328203c7668b1727d8ee6a3edab29e7ae4df7663c8076e4e692ed0f

SHA512
abec509b726c7110d10b7d82e90041469316658d44c7e550a1098fa1442b1d60a3700595800761add07832af1d7718be97a38faa00f0c84ee19875aa7a9927cd

Download Submit
memory/2756-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2756-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2816-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2816-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads