945f2ac29511d5afd79c0bff41eb980b41b2b59c8d4613c16418fd1c7ba9621f

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 16:21

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General

Target

3c53ad3e35040ceef658ecb7267cedc0N.exe
Size

62KB
MD5

3c53ad3e35040ceef658ecb7267cedc0
SHA1

5ee58a891b1fdd9f97e0b5e4a37780b4c10e2832
SHA256

945f2ac29511d5afd79c0bff41eb980b41b2b59c8d4613c16418fd1c7ba9621f
SHA512

24dde2e9c4803900fcd7c08c8b25599dd127e0f79ff059e704eb95cf0018112d2a766eca1c651bcb61fe0acba2aa974d90da4eb26b094088669b715d9301785a
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGh4y:NAoglOwvl4ulkP6vghzwYu7vih9GueIy

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1676	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1676	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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3c53ad3e35040ceef658ecb7267cedc0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	3c53ad3e35040ceef658ecb7267cedc0N.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	3c53ad3e35040ceef658ecb7267cedc0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1676	2028	3c53ad3e35040ceef658ecb7267cedc0N.exe	28
PID 2028 wrote to memory of 1676	2028	3c53ad3e35040ceef658ecb7267cedc0N.exe	28
PID 2028 wrote to memory of 1676	2028	3c53ad3e35040ceef658ecb7267cedc0N.exe	28
PID 2028 wrote to memory of 1676	2028	3c53ad3e35040ceef658ecb7267cedc0N.exe	28

C:\Users\Admin\AppData\Local\Temp\3c53ad3e35040ceef658ecb7267cedc0N.exe
"C:\Users\Admin\AppData\Local\Temp\3c53ad3e35040ceef658ecb7267cedc0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1676

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
62KB

MD5
0f2e86b80a7c4773d8e41d2dc8258705

SHA1
f6aeefcc86e0e4f135032abd0bc11094acd94b49

SHA256
9ea07cda4711fcac61b2edea0fab8852cfa66c6ff65f1728c3f16ab04dbe061d

SHA512
0f4424e01e5788f436f872937641e936a44806b364a5267f7b5a233e2d10ba72aae93c47f9b4ffe86dad09328a869a4e3b2dd88374e8bd65590f2441cfa98276

Download Submit
memory/1676-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2028-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2028-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads