9e3f082bc9b995ce029c11e6c7a9a29d4663ecc8e400a1f648ae9a29562ebdab

Analysis

max time kernel
120s
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
12/09/2024, 00:13

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General

Target

556c3f938a7ee7a95ef21ebb8660cfe0N.exe
Size

66KB
MD5

556c3f938a7ee7a95ef21ebb8660cfe0
SHA1

f4034c04110fbe51e19cd24deda7aa947e60effe
SHA256

9e3f082bc9b995ce029c11e6c7a9a29d4663ecc8e400a1f648ae9a29562ebdab
SHA512

727b541cde2c25506801e726d61000e5be23de39e0dfd6787d43f12f7b9b1e003a2752b3bb4f7575f481b0f800a20a54137d13f6f91aabd120d69efd8f527d0d
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKv8hGIhvj:NAoglOwvl4ulkP6vghzwYu7vih9GueIx

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3760	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3760	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	556c3f938a7ee7a95ef21ebb8660cfe0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	556c3f938a7ee7a95ef21ebb8660cfe0N.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	556c3f938a7ee7a95ef21ebb8660cfe0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3760	4324	556c3f938a7ee7a95ef21ebb8660cfe0N.exe	85
PID 4324 wrote to memory of 3760	4324	556c3f938a7ee7a95ef21ebb8660cfe0N.exe	85
PID 4324 wrote to memory of 3760	4324	556c3f938a7ee7a95ef21ebb8660cfe0N.exe	85

C:\Users\Admin\AppData\Local\Temp\556c3f938a7ee7a95ef21ebb8660cfe0N.exe
"C:\Users\Admin\AppData\Local\Temp\556c3f938a7ee7a95ef21ebb8660cfe0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4324
- 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:3760

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
66KB

MD5
108ee089acd107d6b75abf9c34566e74

SHA1
1f28bb1bcc499ba44a3fbf3a1b74c9febe403cb2

SHA256
8e36a6bb05d5f55dac9012da554553ee2a65b1ef853d5fa2ffdddab30ccb49d3

SHA512
bf81729c21f5c139902a26a466dad078e8918ca30bd89007b1faa08377a2647807cfce983ee825f8d4a22994326c8d1e10e4244c3e89b7ba9785301fdfdfe71f

Download Submit
memory/3760-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4324-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4324-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads