njrat | 13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc

General

Target

13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe
Size

113KB
MD5

6256aa1c6e6d1b23c02ea71c3852aad7
SHA1

987a3e9a1375ec4c1bb4bd1b87aa280aabc8dbb8
SHA256

13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc
SHA512

ecda38c546b57d41369b51c4e78c2d7bdf0fc26211454ce99cd5b10a0f554bd720d95a927680d3aba435daf4bfc9fc2db500a8f84cb0074e109416025c6208ac
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R9:w5eznsjsguGDFqGx8egoxmO3rR9

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
1476	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe

Executes dropped EXE 2 IoCs

pid	Process
3744	chargeable.exe
4996	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe"	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3744 set thread context of 4996	3744	chargeable.exe	100

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	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe
Token: 33	4996	chargeable.exe
Token: SeIncBasePriorityPrivilege	4996	chargeable.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 3744	2204	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe	95
PID 2204 wrote to memory of 3744	2204	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe	95
PID 2204 wrote to memory of 3744	2204	13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe	95
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 3744 wrote to memory of 4996	3744	chargeable.exe	100
PID 4996 wrote to memory of 1476	4996	chargeable.exe	101
PID 4996 wrote to memory of 1476	4996	chargeable.exe	101
PID 4996 wrote to memory of 1476	4996	chargeable.exe	101

C:\Users\Admin\AppData\Local\Temp\13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe
"C:\Users\Admin\AppData\Local\Temp\13e1f58a8d9d0c126e77d8f4efaba653dd478041296d6b1d24e442171e169bfc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- 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:3744
- - 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:4996
  - - 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:1476

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
de80135bacef829a3e679c004403af22

SHA1
c83fe695530fc73977e1d2b6294dd6ea68c63ecd

SHA256
a006c0266c6739d8a6a4fe6bf7143f1bda5691e6a4e8f75c395630efece7ff2f

SHA512
95210ec2853791784a0e7b8ab906c4bd67045eeda02fb8df9cd7a49d10225dc5d1a026d392ac0625b8e59f2f2d2de3ad7008e045b57ea25615caead4d8ed496b

Download Submit
memory/2204-19-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2204-6-0x0000000074A62000-0x0000000074A63000-memory.dmp

Filesize
4KB

Download
memory/2204-7-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2204-2-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2204-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3744-21-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3744-20-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3744-27-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4996-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4996-26-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4996-28-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4996-29-0x0000000074A60000-0x0000000075011000-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