njrat | 0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355e

General

Target

0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe
Size

112KB
MD5

fd8e85fa0fedbacb9e0207b7fcc3d360
SHA1

c55f73cca110ca28ba73a0d106c54bb2aa311559
SHA256

0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355e
SHA512

831b7506d5b2cf5732381e0505f04fe22982f0bbf3c003ebc6bda15183f0c7c62571a075cc1a02417cd6400bfa8d7c713f34418f7f88e7a6ab405abe57bb2d21
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73v/:w5eznsjsguGDFqGx8egoxmO3rv/

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
428	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe

Executes dropped EXE 2 IoCs

pid	Process
2724	chargeable.exe
2372	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe"	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2372	2724	chargeable.exe	88

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.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	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe
Token: 33	2372	chargeable.exe
Token: SeIncBasePriorityPrivilege	2372	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 2724	4004	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe	86
PID 4004 wrote to memory of 2724	4004	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe	86
PID 4004 wrote to memory of 2724	4004	0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe	86
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2724 wrote to memory of 2372	2724	chargeable.exe	88
PID 2372 wrote to memory of 428	2372	chargeable.exe	91
PID 2372 wrote to memory of 428	2372	chargeable.exe	91
PID 2372 wrote to memory of 428	2372	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe
"C:\Users\Admin\AppData\Local\Temp\0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- 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:2724
- - 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:2372
  - - 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:428

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
112KB

MD5
893678fec34d00f702a0d0dcce17f303

SHA1
8331a8dae3a5347fb94ab3a5b7c26ddc3923a0d8

SHA256
9fca5695299f4c5b0f5059f890e156e575a0de025ea32453dac22cf5ffcd16fb

SHA512
1b8fb6ffd59194fa1bbb45f05cb148286697594468675ccd57c1262686da00536e47ca007e595c31235fafed0c8975dfd00425c723aa48583d6261a20b9b3e15

Download Submit
memory/2372-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2372-32-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2372-31-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2372-30-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2372-28-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2724-21-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2724-23-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2724-22-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/2724-29-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4004-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/4004-19-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4004-20-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4004-7-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4004-6-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/4004-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/4004-1-0x0000000075370000-0x0000000075921000-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