njrat | dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e

General

Target

dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe
Size

114KB
MD5

a1a801472861865e1d50c1ed1192c4c6
SHA1

77895715f30bfd6cfc2bcd6c4469efe7e4f9b7e9
SHA256

dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e
SHA512

d5e0ab2265c44ded448495692e424001f0c08e69c2bffef88239c3d0e9b4a28c1be34b8a9250a7b8ffb93aa53fd1a6160b21e16c492fa839d4b32fd4a2a42d57
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vd+i:w5eznsjsguGDFqGx8egoxmO3rvki

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
2824	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	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe

Executes dropped EXE 2 IoCs

pid	Process
1352	chargeable.exe
5104	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"	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.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\\dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe"	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 5104	1352	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	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.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	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe
Token: 33	5104	chargeable.exe
Token: SeIncBasePriorityPrivilege	5104	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1352	2368	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe	86
PID 2368 wrote to memory of 1352	2368	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe	86
PID 2368 wrote to memory of 1352	2368	dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe	86
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 1352 wrote to memory of 5104	1352	chargeable.exe	88
PID 5104 wrote to memory of 2824	5104	chargeable.exe	91
PID 5104 wrote to memory of 2824	5104	chargeable.exe	91
PID 5104 wrote to memory of 2824	5104	chargeable.exe	91

C:\Users\Admin\AppData\Local\Temp\dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe
"C:\Users\Admin\AppData\Local\Temp\dbc71e424441861f44f8eff7b9039a9374b9ec41db3cbeb80e953ff10e64368e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- 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:1352
- - 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:5104
  - - 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:2824

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
114KB

MD5
6d08ea78486ca41621ad2661fd2afe9c

SHA1
440ac9fa61e1335948d37030008495a8a8fddcd8

SHA256
ae6b0cc26061dcb25e1351043331675b2d281eec76a927e3d4f75bfe1e75c45a

SHA512
8b46b90ef44d9ded828577090fdb150116cc0d41f5b0d4c318a045d6f79542132d7538d1bc05cecf8ab601f5f50c267bcaccaa3360d96192104bc3752628980a

Download Submit
memory/1352-21-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1352-22-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1352-29-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/1352-23-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2368-20-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2368-19-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2368-0-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/2368-6-0x0000000074E82000-0x0000000074E83000-memory.dmp

Filesize
4KB

Download
memory/2368-2-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2368-1-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/2368-7-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/5104-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/5104-28-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/5104-30-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/5104-31-0x0000000074E80000-0x0000000075431000-memory.dmp

Filesize
5.7MB

Download
memory/5104-32-0x0000000074E80000-0x0000000075431000-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