b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5e

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 13:28

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General

Target

b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
Size

75KB
MD5

5fb6b6328f4fe4b274f5229efacf20f0
SHA1

32034abfd7e9b9ed66500d13edf52e583c06a7c4
SHA256

b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5e
SHA512

d0a0760c5bd10f015ff2ac8ce4564a5446efe254e332413f34d633f2c038c2f7805eb0041e8d71a55dfdbe95fb8ea03ff31e2cfc56fd5078d868590d04523366
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhES0:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBM

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4408	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4408	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.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	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82
PID 2144 wrote to memory of 4408	2144	b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe	82

C:\Users\Admin\AppData\Local\Temp\b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe
"C:\Users\Admin\AppData\Local\Temp\b228ffb8c04e05003432e0a6687fd7c7473d2bd0ce4d6adabeba4235632b9b5eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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:4408

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
75KB

MD5
6272f16f1b6423cfdd3db9884938b687

SHA1
9f5f00456ab5f0e7f533b0ee65d272c3aff2cf6a

SHA256
a2df515b912f96e9a361bb2b0954250b5dd337af471ac46ffb502ce3d10e953a

SHA512
44a7bf3077471edce129d3b0289e5f0b7f76abd3f01e8800e70a02eca5663f6b1c6f594cfbac714367b263c90ff1a17d3e885d4e0b5234a713e9b51170d73b5d

Download Submit
memory/2144-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2144-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4408-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads