njrat | 1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0

General

Target

1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
Size

119KB
MD5

ed0fb69234cf9281b84dddaa5fa71e60
SHA1

3ee8c5d283773489bb9eda96c6f482573efa1d3f
SHA256

1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0
SHA512

7aaef7ff5bf7d8261a57058e394214fa06677898ddeb66a131f4015f9431317594dd072aaae36c161e4a58faa3b94370ec9ff996e6b8dac5ce6d68f5133fe9bc
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOS:P5eznsjsguGDFqGZ2rDL14FOS

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
64	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe

Executes dropped EXE 2 IoCs

pid	Process
1416	chargeable.exe
636	chargeable.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe"	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 636	1416	chargeable.exe	87

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe
Token: 33	636	chargeable.exe
Token: SeIncBasePriorityPrivilege	636	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 1416	1832	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	86
PID 1832 wrote to memory of 1416	1832	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	86
PID 1832 wrote to memory of 1416	1832	1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe	86
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 1416 wrote to memory of 636	1416	chargeable.exe	87
PID 636 wrote to memory of 64	636	chargeable.exe	88
PID 636 wrote to memory of 64	636	chargeable.exe	88
PID 636 wrote to memory of 64	636	chargeable.exe	88

C:\Users\Admin\AppData\Local\Temp\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe
"C:\Users\Admin\AppData\Local\Temp\1a6e0440173aaf040f43c4631d9d9dce3e05b84cc36d72fd292aad6dbc0f32d0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:636
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:64

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

Download Submit
C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
119KB

MD5
a7d8f2566a94cb7e81e1a788daaeec8f

SHA1
497feda3ad2e7de03a6207e1f6ba4ac3798f3139

SHA256
251b39eb202c7716745183809a64738ff36efa6f56b26e21abe6cfe5dfff8af6

SHA512
638d83dc9135bdf2eff62a2d51fcc591aea01ebd3e767cf002a8af1de7c95af12a71f433b2efc65007d0b0327f75144e701795b7610a7ca707e7b6486c0f206d

Download Submit
memory/636-30-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/636-28-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/636-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1416-22-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1416-21-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1416-23-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1416-29-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1832-20-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1832-0-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/1832-19-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1832-7-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1832-6-0x0000000074872000-0x0000000074873000-memory.dmp

Filesize
4KB

Download
memory/1832-2-0x0000000074870000-0x0000000074E21000-memory.dmp

Filesize
5.7MB

Download
memory/1832-1-0x0000000074870000-0x0000000074E21000-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