njrat | 47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831

General

Target

47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe
Size

23KB
MD5

cd162dcd5adda92368e606d9780434f2
SHA1

7159ed2eb189e69ff045a61ac546fd3cbe422555
SHA256

47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831
SHA512

190cf917ede68df9d6b05ca42327d59506b8ad402fedf90e7a95d8a43eeb3bc91d320e3e310be72a22c2b31ce26bd51dc4bff8799560295eb0ff7af614ec8634
SSDEEP

384:8slUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZ6z:1eEvwIlLMRpcnuT

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.10.10:5552

Mutex

0dc24807523d3cd24b54cd0996e4c49b

Attributes

reg_key
0dc24807523d3cd24b54cd0996e4c49b
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
344	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4400	netsh.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe
Token: 33	344	server.exe
Token: SeIncBasePriorityPrivilege	344	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 344	4248	47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe	86
PID 4248 wrote to memory of 344	4248	47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe	86
PID 4248 wrote to memory of 344	4248	47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe	86
PID 344 wrote to memory of 4400	344	server.exe	89
PID 344 wrote to memory of 4400	344	server.exe	89
PID 344 wrote to memory of 4400	344	server.exe	89

C:\Users\Admin\AppData\Local\Temp\47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe
"C:\Users\Admin\AppData\Local\Temp\47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4248
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:344
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
23KB

MD5
cd162dcd5adda92368e606d9780434f2

SHA1
7159ed2eb189e69ff045a61ac546fd3cbe422555

SHA256
47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831

SHA512
190cf917ede68df9d6b05ca42327d59506b8ad402fedf90e7a95d8a43eeb3bc91d320e3e310be72a22c2b31ce26bd51dc4bff8799560295eb0ff7af614ec8634

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

Filesize
23KB

MD5
cd162dcd5adda92368e606d9780434f2

SHA1
7159ed2eb189e69ff045a61ac546fd3cbe422555

SHA256
47e369084dc53537f0e372f06d672ceab8d42754b58c37abb039702e91ab9831

SHA512
190cf917ede68df9d6b05ca42327d59506b8ad402fedf90e7a95d8a43eeb3bc91d320e3e310be72a22c2b31ce26bd51dc4bff8799560295eb0ff7af614ec8634

Download Submit
memory/344-138-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/344-140-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/4248-132-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/4248-133-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/4248-137-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download

Analysis

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