f37f25cff5da182221574e5d0578ef6ae1510312343273a8774eee5172a671e7

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 18:01

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General

Target

4ebcb0f1397b4446a937c6d0affada60N.exe
Size

45KB
MD5

4ebcb0f1397b4446a937c6d0affada60
SHA1

df9ada513fa84dc99bfafc750559426a4eeefd10
SHA256

f37f25cff5da182221574e5d0578ef6ae1510312343273a8774eee5172a671e7
SHA512

92cf2b864350c63d23c81ee95c3e82e5f0f5b295ad15ff73a11adc81c205163e1062f457e088b627e01621cb7a223d457fe7d261b8518a7dd2030c0313531388
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhX:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
220	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
220	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4ebcb0f1397b4446a937c6d0affada60N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4ebcb0f1397b4446a937c6d0affada60N.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	4ebcb0f1397b4446a937c6d0affada60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 220	2396	4ebcb0f1397b4446a937c6d0affada60N.exe	83
PID 2396 wrote to memory of 220	2396	4ebcb0f1397b4446a937c6d0affada60N.exe	83
PID 2396 wrote to memory of 220	2396	4ebcb0f1397b4446a937c6d0affada60N.exe	83

C:\Users\Admin\AppData\Local\Temp\4ebcb0f1397b4446a937c6d0affada60N.exe
"C:\Users\Admin\AppData\Local\Temp\4ebcb0f1397b4446a937c6d0affada60N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:220

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
45KB

MD5
b55e27901556763e03d7c4d5b1c509ea

SHA1
3a60d71a06737c3544f7c458840ce80f96f252ce

SHA256
776d2315372bdf2e238a6c2c15d6957eae2a22a316b4d613dc785afa1012cc70

SHA512
296ee010fe0ccf17bd073019767d59bd05363504c5474dca56b5f09b04efddce7fefc66a3c16fdfc16acf59a0c78f134a3068baa8a94211a53f7d6b44abb20a5

Download Submit
memory/220-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2396-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2396-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads