njrat | 3ed2cc17203f1d0c92bda0d567ed327de37bdf1af02b082efd5806198846e132

General

Target

1c17804c202ef0f166c2c116a1616f4c.exe
Size

111KB
MD5

1c17804c202ef0f166c2c116a1616f4c
SHA1

3c2570d74821d28881cc8479ce46ab592895c46c
SHA256

3ed2cc17203f1d0c92bda0d567ed327de37bdf1af02b082efd5806198846e132
SHA512

61d384fdb2e68e7f178b9ec7a69b852d8dbd0dd655cb0c53fe9e51d72dd66066b708ae8f4389a6c47554bcfb1dc2bc69ea3d837bde45bb4f14bf0c33dc2b95ce
SSDEEP

1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73a:w5eznsjsguGDFqGx8egoxmO3ra

Score

10^/10

njrat neuf 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
2704	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1996	chargeable.exe
2516	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1928	1c17804c202ef0f166c2c116a1616f4c.exe
1928	1c17804c202ef0f166c2c116a1616f4c.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1c17804c202ef0f166c2c116a1616f4c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c17804c202ef0f166c2c116a1616f4c.exe"	1c17804c202ef0f166c2c116a1616f4c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 2516	1996	chargeable.exe	29

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

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe
Token: 33	2516	chargeable.exe
Token: SeIncBasePriorityPrivilege	2516	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1996	1928	1c17804c202ef0f166c2c116a1616f4c.exe	28
PID 1928 wrote to memory of 1996	1928	1c17804c202ef0f166c2c116a1616f4c.exe	28
PID 1928 wrote to memory of 1996	1928	1c17804c202ef0f166c2c116a1616f4c.exe	28
PID 1928 wrote to memory of 1996	1928	1c17804c202ef0f166c2c116a1616f4c.exe	28
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 1996 wrote to memory of 2516	1996	chargeable.exe	29
PID 2516 wrote to memory of 2704	2516	chargeable.exe	30
PID 2516 wrote to memory of 2704	2516	chargeable.exe	30
PID 2516 wrote to memory of 2704	2516	chargeable.exe	30
PID 2516 wrote to memory of 2704	2516	chargeable.exe	30

C:\Users\Admin\AppData\Local\Temp\1c17804c202ef0f166c2c116a1616f4c.exe
"C:\Users\Admin\AppData\Local\Temp\1c17804c202ef0f166c2c116a1616f4c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
  "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2516
  - - 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
      PID:2704

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
111KB

MD5
b3e471ccaad63cf137ab6c23fed8d121

SHA1
e3aa047c62278d0cbcd02312c39552c4648d1a7e

SHA256
ceb103d880f31cc69f91e4687546c687fcd0938da06c0ebbfc7bdf8796c97bd6

SHA512
ac408c943004b12601bc55cd7f81594454150d2a01683f7f8000a3860cc22c89d0aab7896d7ac440202ba93572e4829226acc4f18383873b4fe752a60230df73

Download Submit
memory/1928-18-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/1996-16-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1996-15-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1996-17-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1996-25-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/1996-26-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2516-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2516-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2516-24-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads