9b24ccc6f6d8b85e7069c18d7adbd885cbf587d1824b8924d7cec6505aa50d24

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 00:59

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General

Target

d18fc3efdeaa28cd76f27b805158df40N.exe
Size

45KB
MD5

d18fc3efdeaa28cd76f27b805158df40
SHA1

81a408ae6afba4aed8c68e5c85f8f8a6d163418f
SHA256

9b24ccc6f6d8b85e7069c18d7adbd885cbf587d1824b8924d7cec6505aa50d24
SHA512

1b70649808eeda13b10a883e65bf0110549127039c23e98d7c561c04d51107d1cfdf3bb8f3b154380fc1c61649b4950789fe39ffcc777e1362cd657cada97953
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhy:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYS

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4512	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4512	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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d18fc3efdeaa28cd76f27b805158df40N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d18fc3efdeaa28cd76f27b805158df40N.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	d18fc3efdeaa28cd76f27b805158df40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 4512	1068	d18fc3efdeaa28cd76f27b805158df40N.exe	84
PID 1068 wrote to memory of 4512	1068	d18fc3efdeaa28cd76f27b805158df40N.exe	84
PID 1068 wrote to memory of 4512	1068	d18fc3efdeaa28cd76f27b805158df40N.exe	84

C:\Users\Admin\AppData\Local\Temp\d18fc3efdeaa28cd76f27b805158df40N.exe
"C:\Users\Admin\AppData\Local\Temp\d18fc3efdeaa28cd76f27b805158df40N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4512

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
84cbb000ee2a6f5b50e8ce72a28944e9

SHA1
c60f15863c5304bdeba0bbecd39f64faa5da8e1a

SHA256
ed963bcd73828f63e0edf2722868ea5e24e9e8fb98fcceff3de908535d9aa30b

SHA512
3aff118e73c04f3aa41dc31cae674376c4656adaca14bb36287e57b50dccde17b4f6c5ea5c36dcb11d79c36b7efa432a2c01d185c01edd5da3f8bef7983dc3de

Download Submit
memory/1068-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1068-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4512-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads