njrat | 460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660

General

Target

460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe
Size

328KB
MD5

92ab6d9ac2de2b607b8d04800b71c4b2
SHA1

b3bad52c795198c08c1e3f68e198450a40f4831a
SHA256

460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660
SHA512

fb6a845dc7ae17c557ec51f9b146a83f5c95b10ad96663eb26312b132038db5f3031d92046468deb3c4f22ce7ea989a7027416a43c87aeae6902786fab196b3f
SSDEEP

6144:/bbs8miuWxBn061wjr36UIU+yoTiKVpwCbC/ry7YOTD0zJ140QKAhFUT:jgrTMn061M36RUOTvpwpNO/0Y0QKA0T

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:777

Mutex

9fd0cc59880f3102204422ac9ab5c969

Attributes

reg_key
9fd0cc59880f3102204422ac9ab5c969
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2712	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1308	RegAsm.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\qpoXH4igNi5i5TAp = "C:\\Users\\Admin\\AppData\\Local\\Temp\\460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe"	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 2264 wrote to memory of 1308	2264	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	30
PID 1308 wrote to memory of 2712	1308	RegAsm.exe	32
PID 1308 wrote to memory of 2712	1308	RegAsm.exe	32
PID 1308 wrote to memory of 2712	1308	RegAsm.exe	32
PID 1308 wrote to memory of 2712	1308	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe
"C:\Users\Admin\AppData\Local\Temp\460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
52KB

MD5
278edbd499374bf73621f8c1f969d894

SHA1
a81170af14747781c5f5f51bb1215893136f0bc0

SHA256
c6999b9f79932c3b4f1c461a69d9dc8dc301d6a155abc33efe1b6e9e4a038391

SHA512
93b0b5c3324bd2df83310f96d34c9176c94d2d676766599c1af33c98ba1efe63187056671f7c6f80c956e5bd0a725f108804021ad93326286bb9c3a96f6550b9

Download Submit
memory/1308-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1308-7-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-16-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-14-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1308-18-0x0000000073B22000-0x0000000073B24000-memory.dmp

Filesize
8KB

Download
memory/1308-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2264-0-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/2264-17-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/2712-26-0x0000000073B20000-0x00000000740CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads