njrat | 1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a

General

Target

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Size

114KB
MD5

0233a24559d6825bdb7f0ec045758cae
SHA1

b0161acb0a9bdfa28075e23b7d38ba0758fe99bc
SHA256

1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a
SHA512

51e6f62ac49df9f941cdbb1fab1232336b0409c592900e1bb871d3be6d0a808d3690c1f6fbdc15dbaf0ab110664bf92457ec98e863434bd120505473a8fa380f
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMM:P5eznsjsguGDFqGZ2rM

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/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
2720	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2992	chargeable.exe
2824	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2992 set thread context of 2824	2992	chargeable.exe	31

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	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe
Token: 33	2824	chargeable.exe
Token: SeIncBasePriorityPrivilege	2824	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2992	2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2988 wrote to memory of 2992	2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2988 wrote to memory of 2992	2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2988 wrote to memory of 2992	2988	1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe	30
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2992 wrote to memory of 2824	2992	chargeable.exe	31
PID 2824 wrote to memory of 2720	2824	chargeable.exe	32
PID 2824 wrote to memory of 2720	2824	chargeable.exe	32
PID 2824 wrote to memory of 2720	2824	chargeable.exe	32
PID 2824 wrote to memory of 2720	2824	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe
"C:\Users\Admin\AppData\Local\Temp\1a23a54df41d0cf4cfb9a6879f7cab61b1ecb0fae46dfb8a2f64361c6ae5846a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:2992
- - 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:2824
  - - 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:2720

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

System Information Discovery

1

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
15d35bbcd762d087f74842fd1d11225f

SHA1
a08d0cc44485a9006919973afca1340b8d0c8104

SHA256
99987dc07254a447c0af8fb296eb4cffe2a4a119e311de51417d2080d8bd794a

SHA512
40772c487bcf056c36708e6fbf23012ce0b498c5c0ff3b1d3095bb34408916ce335c8f8f30894af35e5e5e2e5b27686f3bf15bd13aa674696a8c8c9fee49658b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
26c5075b09bd8d1cb61aa106d46f8c94

SHA1
bbe68447b7d6af447e3f0ab1a0221ea4298c5dab

SHA256
2fe2da73f6dfc31bc5e62383dd91607a7d0f8fabf1e2d1239905c76c26bad716

SHA512
cddd9f9ba7b407d265e274dd4bb68832ed03d5e66af1d4ab7b8b937d1d8f70061b3001630ee76603905ef4709e157b35cb0ae702616af5d7b8da7ede7963c058

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
077b8cf7e7a2b7a1fea2bbc1113a47d8

SHA1
a41dec85fbf0359e2a6da9d3d839c6020e25a113

SHA256
861cf4cef0dadc25cea99d0cc1b3b9cdd9a04b5d0ae5b15283cd9f545e3b8a53

SHA512
81cfd6ea68c6cb3e104c61a0d0b3bb1d4db9942a0993768767483c0ceffd4e779502cf6159f96b55714c7df04e89bec038c61850aad4935a9c683d5e472e5249

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5302.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar5343.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
\Users\Admin\AppData\Roaming\confuse\chargeable.exe

Filesize
114KB

MD5
b61a2764619955c7d71b731da4e731a6

SHA1
957c3007950dda119a8bf5488a43cd56d4d77829

SHA256
a432873697778be20c84ea85975ee0a8cfa47d426a6b37298e731a03fbcd8672

SHA512
7cf57f33a2eee89de7834b5c5c442ce56eaa20caf1a7e95aee801f2a808eb51899a4b628fbb1392c55f74f64484e2ce0446d64e746aa2641b89baa5d440fff32

Download Submit
memory/2824-345-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2824-344-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2824-342-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2988-167-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-187-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-0-0x0000000074341000-0x0000000074342000-memory.dmp

Filesize
4KB

Download
memory/2988-2-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-1-0x0000000074340000-0x00000000748EB000-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