f18c077a39c958f927147dd7569faff0e346dcd131b094850199f14e4cc52cf2

Analysis

max time kernel
119s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 13:23

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General

Target

7672f5d9d403f531e8a707859748f390N.exe
Size

37KB
MD5

7672f5d9d403f531e8a707859748f390
SHA1

5f2a4a9823108f5a51deec92c8bb41f810254656
SHA256

f18c077a39c958f927147dd7569faff0e346dcd131b094850199f14e4cc52cf2
SHA512

dab5e0c9a612b91d1a9b3d9ebeede2cc8864bdefbb371f3c36dd152628bdeee519920ba52bd3e6322b3361ff1b93377be82e2e33930127d2617b3a2968fae88c
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJjWHB:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gw

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3684	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3684	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7672f5d9d403f531e8a707859748f390N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7672f5d9d403f531e8a707859748f390N.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	7672f5d9d403f531e8a707859748f390N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 3684	1308	7672f5d9d403f531e8a707859748f390N.exe	84
PID 1308 wrote to memory of 3684	1308	7672f5d9d403f531e8a707859748f390N.exe	84
PID 1308 wrote to memory of 3684	1308	7672f5d9d403f531e8a707859748f390N.exe	84

C:\Users\Admin\AppData\Local\Temp\7672f5d9d403f531e8a707859748f390N.exe
"C:\Users\Admin\AppData\Local\Temp\7672f5d9d403f531e8a707859748f390N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- 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:3684

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
37KB

MD5
131392154a5a4cca74eec5ac4dcd95a3

SHA1
b10c7f63582c161d7df374cc5a40bab0cfa38723

SHA256
1e7921db797aa9495fe454c36c94be21c2bc671a72dca46f6adddf2dba78d121

SHA512
b130bd74e60e5e1b8f50cb648173ba1738206312d2319a906d64c6d4cf6d7c3d6901866453f1b6995fccef42cb4a64f75e6e809d24c19f9cc44d60366d09137b

Download Submit
memory/1308-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1308-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3684-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3684-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads