njrat | 4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e

General

Target

4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
Size

980KB
MD5

5a1d67104626806bdbc74cd6fbe0af6d
SHA1

69869281403a2a11c7c99f338736b5ef247fffd8
SHA256

4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e
SHA512

bdcd851a6ae6b37bf372a18756d8c497a0cd86e1bba7076ade6342ea886943d0a5ae621fd0eb82b400f7b14d12ef1a4a163b315285f837c3b655be1c36efed97
SSDEEP

12288:x2LaKaEt0ymu5M2kqChPAxzlO50IoPWEu/8+l89R6WvEVr4aQxU9:xdnuahPS5nxTRdvEVr474

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
536	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2592	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
536	server.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1304 set thread context of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
Token: SeDebugPrivilege	536	server.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 1304 wrote to memory of 2592	1304	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	30
PID 2592 wrote to memory of 536	2592	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	31
PID 2592 wrote to memory of 536	2592	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	31
PID 2592 wrote to memory of 536	2592	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	31
PID 2592 wrote to memory of 536	2592	4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe	31
PID 536 wrote to memory of 2836	536	server.exe	33
PID 536 wrote to memory of 2836	536	server.exe	33
PID 536 wrote to memory of 2836	536	server.exe	33
PID 536 wrote to memory of 2836	536	server.exe	33

C:\Users\Admin\AppData\Local\Temp\4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
"C:\Users\Admin\AppData\Local\Temp\4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
  C:\Users\Admin\AppData\Local\Temp\4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:536
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp\server.exe
      4⤵
      PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
980KB

MD5
5a1d67104626806bdbc74cd6fbe0af6d

SHA1
69869281403a2a11c7c99f338736b5ef247fffd8

SHA256
4c0dd651b91d4e3a13cc6e29398fee4cff9f2624727830273e09dea2f9b52e5e

SHA512
bdcd851a6ae6b37bf372a18756d8c497a0cd86e1bba7076ade6342ea886943d0a5ae621fd0eb82b400f7b14d12ef1a4a163b315285f837c3b655be1c36efed97

Download Submit
memory/536-32-0x0000000000F80000-0x000000000107C000-memory.dmp

Filesize
1008KB

Download
memory/1304-24-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/1304-1-0x0000000000910000-0x0000000000A0C000-memory.dmp

Filesize
1008KB

Download
memory/1304-2-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/1304-3-0x00000000003A0000-0x00000000003AA000-memory.dmp

Filesize
40KB

Download
memory/1304-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/1304-20-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/1304-22-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-14-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2592-23-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2592-21-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/2592-17-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2592-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2592-33-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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