njrat | fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48

Analysis

max time kernel
310s
max time network
344s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 23:07

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General

Target

fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe
Size

29KB
MD5

805308c8764c6580933c60d75d82ee5b
SHA1

b8c516f232d0e2929414f7de05303fed1e5c1b0f
SHA256

fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48
SHA512

594f3d646b3aff93554df05c3af41f2f4da3c32cf2fa0740a00d6d32968bb0972226f9789c8925034a65bcd987702d8a2e086a7474274ce120503d9d968e44cf
SSDEEP

384:1UHEBl7p3hUw2s7bD55gEKemqDSqre/IDGBsbh0w4wlAokw9OhgOL1vYRGOZzeZu:p7bUw2C3kEcqNreHBKh0p29SgRIu

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

ahyatezy15.no-ip.biz:1177

Mutex

7c5ab2d4b3ee0e1b3e9cf876e75dff1f

Attributes

reg_key
7c5ab2d4b3ee0e1b3e9cf876e75dff1f
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
3800	memo.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 952 wrote to memory of 3800	952	fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe	83
PID 952 wrote to memory of 3800	952	fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe	83
PID 952 wrote to memory of 3800	952	fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe	83

C:\Users\Admin\AppData\Local\Temp\fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe
"C:\Users\Admin\AppData\Local\Temp\fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:952
- C:\Users\Admin\AppData\Local\Temp\memo.exe
  "C:\Users\Admin\AppData\Local\Temp\memo.exe"
  2⤵
  - Executes dropped EXE
  PID:3800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\memo.exe

Filesize
29KB

MD5
805308c8764c6580933c60d75d82ee5b

SHA1
b8c516f232d0e2929414f7de05303fed1e5c1b0f

SHA256
fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48

SHA512
594f3d646b3aff93554df05c3af41f2f4da3c32cf2fa0740a00d6d32968bb0972226f9789c8925034a65bcd987702d8a2e086a7474274ce120503d9d968e44cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\memo.exe

Filesize
29KB

MD5
805308c8764c6580933c60d75d82ee5b

SHA1
b8c516f232d0e2929414f7de05303fed1e5c1b0f

SHA256
fa51b3f9f7dbd2afa4304c46a4510130cd40a28add2532d722b543bf864f5e48

SHA512
594f3d646b3aff93554df05c3af41f2f4da3c32cf2fa0740a00d6d32968bb0972226f9789c8925034a65bcd987702d8a2e086a7474274ce120503d9d968e44cf

Download Submit
memory/952-132-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/952-137-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/952-139-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3800-136-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3800-138-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3800-140-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download