9d7a132513bbd6356eaefcb3ecea2487c95ffcd3bf5b8c4c937556d7f7ddfc1e

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 12:40

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General

Target

f388543b1ec603de7ce734ed52cf4440N.exe
Size

39KB
MD5

f388543b1ec603de7ce734ed52cf4440
SHA1

b211b7575917d32faa4313454adbbcfbf8d84906
SHA256

9d7a132513bbd6356eaefcb3ecea2487c95ffcd3bf5b8c4c937556d7f7ddfc1e
SHA512

b3516a20a7f400ced2c6212de38c1d6954866a5547eb85fb98e20d77c865eee8e743194725600a748522f53aba61a3dd172195b4f9b06398c322f965b676f825
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFvq:e6q10k0EFjed6rqJ+6vghzwYu7vih9GE

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2500	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2500	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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f388543b1ec603de7ce734ed52cf4440N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f388543b1ec603de7ce734ed52cf4440N.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	f388543b1ec603de7ce734ed52cf4440N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 2500	3216	f388543b1ec603de7ce734ed52cf4440N.exe	83
PID 3216 wrote to memory of 2500	3216	f388543b1ec603de7ce734ed52cf4440N.exe	83
PID 3216 wrote to memory of 2500	3216	f388543b1ec603de7ce734ed52cf4440N.exe	83

C:\Users\Admin\AppData\Local\Temp\f388543b1ec603de7ce734ed52cf4440N.exe
"C:\Users\Admin\AppData\Local\Temp\f388543b1ec603de7ce734ed52cf4440N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3216
- 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:2500

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
39KB

MD5
74c96d12ba87dcc9221561975e846e7c

SHA1
9edc0036fccfecbd12b642463a5d225a915cbc82

SHA256
6da522bca80bf7670c585e6e7d5b09fd977387595befbbcfe7c109837cd26680

SHA512
0e87a8309d024cd54abe31817f529f18f7b0d4b1020c812bdfba219b51a59e4d76a4d8bb40900af059e607ef36da3ca8b83a6b024e9e979a43241fb4db8d0c3e

Download Submit
memory/2500-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2500-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3216-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3216-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads