njrat | de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62f

General

Target

de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
Size

113KB
MD5

4a2a45fc248cfab87d9f10b39f2c3aa0
SHA1

fc73fd8132452cc78056ec42d45fce47e4038e61
SHA256

de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62f
SHA512

ef8fb5de5bd4f9054032adf4aeaa83144a1dec459759bba078b1a5ad08eca98621f96239f22455cc76f305d09805b3ba696165ecbe39bc962713c45fc457e94f
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rn:w5eznsjsguGDFqGx8egoxmO3rRn

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 family
njrat
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
872	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

Executes dropped EXE 2 IoCs

pid	Process
2400	chargeable.exe
2680	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2680	2400	chargeable.exe	98

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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe
Token: 33	2680	chargeable.exe
Token: SeIncBasePriorityPrivilege	2680	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2400	2348	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	97
PID 2348 wrote to memory of 2400	2348	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	97
PID 2348 wrote to memory of 2400	2348	de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe	97
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2400 wrote to memory of 2680	2400	chargeable.exe	98
PID 2680 wrote to memory of 872	2680	chargeable.exe	99
PID 2680 wrote to memory of 872	2680	chargeable.exe	99
PID 2680 wrote to memory of 872	2680	chargeable.exe	99

C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
"C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- 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:2400
- - 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:2680
  - - 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:872

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
113KB

MD5
e00aad3432507b70c0abbe7e1974af22

SHA1
45b44768bf87278c5453973b83f7dba68f8734e7

SHA256
8edbd2ea83bcce8c0c7e7b15bfe2f2e25ccfa38776e34ce72e011c0ebd344b52

SHA512
0b6260d3a37bc35f8c8a4409ebbb1890d9c7d3d451a986bc2da3a9a5613cb196da757ebb9fec05e2b725668a3a08791c3ed2817381c344fc2e2ca9985378fd58

Download Submit
memory/2348-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2348-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2348-6-0x00000000749B2000-0x00000000749B3000-memory.dmp

Filesize
4KB

Download
memory/2348-7-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2348-19-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2348-20-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2348-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

Filesize
4KB

Download
memory/2400-21-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2400-22-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2400-27-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2680-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2680-28-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2680-29-0x00000000749B0000-0x0000000074F61000-memory.dmp

Filesize
5.7MB

Download
memory/2680-30-0x00000000749B0000-0x0000000074F61000-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