ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 05:10

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General

Target

ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe
Size

46KB
MD5

a7c91b39fcec4a9d380c751a0e46051c
SHA1

f8819996fe680c08ca95ce2fdac6c84f230750f6
SHA256

ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462
SHA512

bb403a7660eb18229c4dfb3ccc679314f638159c9c817ff76b5b9513b8ec1cef048342d7718ea0a411cb5f4288c366fb4c11b65086b2758d3892210f0f547f14
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6ID:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gf

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2064	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	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"	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.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	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2064	3044	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe	30
PID 3044 wrote to memory of 2064	3044	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe	30
PID 3044 wrote to memory of 2064	3044	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe	30
PID 3044 wrote to memory of 2064	3044	ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe	30

C:\Users\Admin\AppData\Local\Temp\ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe
"C:\Users\Admin\AppData\Local\Temp\ea5a5b0b654fcf43837740dc26d1f8643f97fbccd5e59909363edc611e0b5462.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2064

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
47KB

MD5
a40b2b0e8c69776ee36acd065f0bce77

SHA1
94e43abcb27efc5751d9105e85dc943f3b3f63f4

SHA256
849780536e64bc5dff1a3655b3cf8ced8093ba4466d8728c0d2392417ff7a49d

SHA512
67acebba8c0a05120c4607e84b33cc095f42bc70c3d7aff61e74e3ed556cf1ecb863f62ebd42d11b59ed118f660380c5dc6156716683869d337a74b84ff3ea7a

Download Submit
memory/2064-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2064-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3044-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3044-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads