njrat | b8c5e2c8477706f3f54e152443718dcec270889002289aa1730eabc5ba3f312f

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:09

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General

Target

27aa584234053a57f89d2e393478ef04.exe
Size

97KB
MD5

27aa584234053a57f89d2e393478ef04
SHA1

56969025047f74cd434cbb444de6ff3ce3a96cb5
SHA256

54ad65b8e1afd5bb9dbd5ad7b5c66eeb36461d9c814ec6854abcbd33959ff2a8
SHA512

fed56d5eda48e1738e6a45b78fe2278bfa8fbf8ee4cf8c2566efea51e38894f33c4899a5fff756a81b67ba69030b021a578c41df54432f282503cf9ed6f56401
SSDEEP

1536:MYxlY23kGwgMBUQGum2U8aVCguHEvQEbFeDVC3woFRKpTdeE:DlY23kg3sguGDFaXeE

Score

10^/10

njrat neuf defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes

reg_key
e1a87040f2026369a233f9ae76301b7b
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3968	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-1-5-21-3218366390-1258052702-4267193707-1000\Control Panel\International\Geo\Nation	27aa584234053a57f89d2e393478ef04.exe

Executes dropped EXE 2 IoCs

pid	Process
5056	chargeable.exe
1380	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	27aa584234053a57f89d2e393478ef04.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\27aa584234053a57f89d2e393478ef04.exe"	27aa584234053a57f89d2e393478ef04.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5056 set thread context of 1380	5056	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 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	27aa584234053a57f89d2e393478ef04.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe
Token: 33	1380	chargeable.exe
Token: SeIncBasePriorityPrivilege	1380	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 5056	888	27aa584234053a57f89d2e393478ef04.exe	87
PID 888 wrote to memory of 5056	888	27aa584234053a57f89d2e393478ef04.exe	87
PID 888 wrote to memory of 5056	888	27aa584234053a57f89d2e393478ef04.exe	87
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 5056 wrote to memory of 1380	5056	chargeable.exe	88
PID 1380 wrote to memory of 3968	1380	chargeable.exe	93
PID 1380 wrote to memory of 3968	1380	chargeable.exe	93
PID 1380 wrote to memory of 3968	1380	chargeable.exe	93

C:\Users\Admin\AppData\Local\Temp\27aa584234053a57f89d2e393478ef04.exe
"C:\Users\Admin\AppData\Local\Temp\27aa584234053a57f89d2e393478ef04.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:888
- 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:5056
- - 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:1380
  - - 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:3968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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
97KB

MD5
c6ea87b8a42693fa6a936dae092db793

SHA1
b6c1d40773e28c7a1e685d0fea6919b2491a3e76

SHA256
8aa1d2a03af5c748f7a81599247b9f29da74fe3112307456466e48fd1a2d34fd

SHA512
4df187393b2cf44d3c286574ddffea44dd79ce4758529d63adf5bab094d7b8b16fa3011dc1612a770c48a9c0818d8ff2b4106218ab81f4458858575c06dd0fd7

Download Submit
memory/888-20-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/888-7-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/888-6-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

Filesize
4KB

Download
memory/888-2-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/888-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

Filesize
4KB

Download
memory/888-19-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/888-1-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1380-28-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1380-31-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1380-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1380-30-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/5056-22-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/5056-29-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/5056-23-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/5056-21-0x0000000074DF0000-0x00000000753A1000-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