826d0380d216c622c2f53c95e3bb6b038fd2113830fe93a6f52521b7f6c6ff8d

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 07:43

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General

Target

4049e2ac30f9d903dfcb57439743cc35.exe
Size

144KB
MD5

4049e2ac30f9d903dfcb57439743cc35
SHA1

6f70f0cf9515619378911c3927eac7882d906d67
SHA256

826d0380d216c622c2f53c95e3bb6b038fd2113830fe93a6f52521b7f6c6ff8d
SHA512

af3daac1e03ce84583947bca575aa3f1c2d7e540fe157dc143aa50ed1ef66adee46b56c2e4cfc4bdcb9ac992e7f75c79fa03d6f492676bccb57f44b76f68e97e
SSDEEP

3072:VwBElMHV8XpJSCaVDeJAuYCaOSjQDSo+v4OM6w9jnq7KfQ3aVXkO6Y7yXg:VmJHq3a5Z+SQ+vn5kLq7KEamQv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2588	north.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	4049e2ac30f9d903dfcb57439743cc35.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	north.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	north.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	north.exe
File created	C:\Windows\assembly\Desktop.ini	north.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	north.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2588	north.exe
2588	north.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2588	2892	4049e2ac30f9d903dfcb57439743cc35.exe	22
PID 2892 wrote to memory of 2588	2892	4049e2ac30f9d903dfcb57439743cc35.exe	22
PID 2892 wrote to memory of 2588	2892	4049e2ac30f9d903dfcb57439743cc35.exe	22

C:\Users\Admin\AppData\Local\Temp\4049e2ac30f9d903dfcb57439743cc35.exe
"C:\Users\Admin\AppData\Local\Temp\4049e2ac30f9d903dfcb57439743cc35.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\nsk53A0.tmp\north.exe
  C:\Users\Admin\AppData\Local\Temp\nsk53A0.tmp\north.exe /dT201303271913 /u503b75ba-8abc-4f1f-82fb-56ec5bc06f2f /e4354348
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious use of SetWindowsHookEx
  PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2588-15-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/2588-14-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-13-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/2588-18-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/2588-19-0x0000000000E10000-0x0000000000E20000-memory.dmp

Filesize
64KB

Download
memory/2588-21-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download