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

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	server.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\k0mr5FuxTZzvDZTi = "C:\\Users\\Admin\\AppData\\Local\\Temp\\460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe"	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86

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	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 2820 wrote to memory of 3460	2820	460f26dca696e74045670dee102ad0fc60705f500d5f716140e26f144da6d660.exe	86
PID 3460 wrote to memory of 2252	3460	RegAsm.exe	94
PID 3460 wrote to memory of 2252	3460	RegAsm.exe	94
PID 3460 wrote to memory of 2252	3460	RegAsm.exe	94

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:2820
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3460
- - 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:2252

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

Query Registry

1

T1012

System Information Discovery

2

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

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

Filesize
52KB

MD5
a64daca3cfbcd039df3ec29d3eddd001

SHA1
eee8b2573f71e8d5c3ee7e53af3e6772e090d0f3

SHA256
403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36

SHA512
b6fe2d0ae3fcd4442579ecf10d498d61e0f042813c8fc4be8019da77d849cfcf0b168507139a1b5697227c272de9091788f8e03cf1ce13d5b5077568cfa6a479

Download Submit
memory/2252-21-0x00000000744C0000-0x0000000074AC8000-memory.dmp

Filesize
6.0MB

Download
memory/2252-22-0x00000000744C0000-0x0000000074AC8000-memory.dmp

Filesize
6.0MB

Download
memory/2820-0-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/2820-2-0x0000000000400000-0x00000000004DA000-memory.dmp

Filesize
872KB

Download
memory/3460-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3460-3-0x0000000074842000-0x0000000074843000-memory.dmp

Filesize
4KB

Download
memory/3460-4-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/3460-5-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download
memory/3460-18-0x0000000074840000-0x0000000074DF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads