njrat | 0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31

General

Target

0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe
Size

97KB
MD5

0efdb7ccfc982bd7d74da473df7a0698
SHA1

7577010dc64a430d8dd0cf1201b70af3d60876e3
SHA256

0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31
SHA512

171216e434c2f08e04145475014fa0821de209304fa2df9342cf413d01ae28af8666c75665f51daacee40d79fdf0fc86a2296dad82d9d3969446bbf02cfc2dab
SSDEEP

1536:WAp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4m:d5eznsjsguGDFqGm

Score

10^/10

njrat neuf defense_evasion discovery 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

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3260	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	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe

Executes dropped EXE 2 IoCs

pid	Process
3940	chargeable.exe
1852	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\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe
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\\0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe"	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 1852	3940	chargeable.exe	83

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	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.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	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe
Token: 33	1852	chargeable.exe
Token: SeIncBasePriorityPrivilege	1852	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 3940	4716	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe	82
PID 4716 wrote to memory of 3940	4716	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe	82
PID 4716 wrote to memory of 3940	4716	0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe	82
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 3940 wrote to memory of 1852	3940	chargeable.exe	83
PID 1852 wrote to memory of 3260	1852	chargeable.exe	84
PID 1852 wrote to memory of 3260	1852	chargeable.exe	84
PID 1852 wrote to memory of 3260	1852	chargeable.exe	84

C:\Users\Admin\AppData\Local\Temp\0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe
"C:\Users\Admin\AppData\Local\Temp\0ebfa3837880a9a8a5e28aa2d1a13c506dd26e25d4a237ed329c54f295c9fd31.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4716
- 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:3940
- - 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:1852
  - - 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:3260

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
97KB

MD5
e8a6cfe5b602baf35155089cd719a098

SHA1
b6dd60b513b1f35c7d7e9828b12a0b6f31f13f79

SHA256
2186544623e30619748fca439d5910255ea2553083a2b64f5533185ad50049f7

SHA512
dd0f46c92c7017afa726ca4c103b83bf274630e0104aea5aaf9ffbf4bce7bca1867939d98b3877bef8fa2da8b269a58efa4e81fc6095d216e77cb4ff74bcba0d

Download Submit
memory/1852-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1852-29-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/1852-28-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/1852-26-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3940-27-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3940-19-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3940-21-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4716-6-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/4716-20-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4716-7-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4716-0-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/4716-2-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4716-1-0x0000000075410000-0x00000000759C1000-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