njrat | 9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/09/2024, 23:51

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General

Target
9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe
Size 119KB
Sample240922-3wlveszfnm
SHA256 9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113
MD5 0952ac77587be603ff4b344d745a10cd
SHA1 8d49772860bd5cf6e806172cb597ee079e323fc7
SHA512 0b9b0ce955a6e5ca8c0c69f4cb51931c53a93ad9d7b4247220077997cef57dd7436c0c8381139490477062024f3b8399ab737244ed5eeadcf9fa53d73b9b0359
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOv:P5eznsjsguGDFqGZ2rDL14FOv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat neuf discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

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
2760	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1644	chargeable.exe
2524	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe
1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe"	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 2524	1644	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 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	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.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	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe
Token: 33	2524	chargeable.exe
Token: SeIncBasePriorityPrivilege	2524	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 1644	1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe	30
PID 1744 wrote to memory of 1644	1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe	30
PID 1744 wrote to memory of 1644	1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe	30
PID 1744 wrote to memory of 1644	1744	9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe	30
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 1644 wrote to memory of 2524	1644	chargeable.exe	31
PID 2524 wrote to memory of 2760	2524	chargeable.exe	33
PID 2524 wrote to memory of 2760	2524	chargeable.exe	33
PID 2524 wrote to memory of 2760	2524	chargeable.exe	33
PID 2524 wrote to memory of 2760	2524	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe
"C:\Users\Admin\AppData\Local\Temp\9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- 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:1644
- - 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:2524
  - - 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:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 8b0b631eb5eede0c2a11db81a3660f72d4b9479a93f772ba7a5ff7dd447c5257
MD5 de98505c32bb21deb2ce0935ef2ecbf9
SHA1 e5f9c8e4c0ddd377beb09be944daf834e2e6aa5f
SHA512 d881dd26bd02c2897aa2d8d407587f50ca366faea0d6a64697680577405fd46b6b9500049bf42da72fc6f0313bf983141fce638f36d81afe288b4948cd327f38
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 3b9c7f1abeba63b461e7671c1d5376bfbdb4ae4d499b2f3a3d1282a1bb52577f
MD5 d286d5c4e54db4f32b46264016f9598e
SHA1 fd532334604c1d448e80379eca725974e79afb2c
SHA512 b6385de01b15a63863d1cbd342d4b267dee945bb2c07167fe54e4ebe1e1a7c583c384d32e52bdaf42b749f700d4d292b0043a82f3e1d444a56b55a96c7319020
MD5 SHA1 SHA512

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94308059B57B3142E455B38A6EB92015

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Size 342B
SHA256 b7a8369d249e9e87f81d5077ec9772ddc325263c3893a104a2ba59093d9b914f
MD5 e12510e309850376d3d9ec5a15891d86
SHA1 b751cb1aefb2b683f42f39a76ac1850701d562dc
SHA512 8c301cef3588b47ada034e807b1caaca09c2f621142d47c3cc3690718b7195222ce9da353330b774d08f4ab4327c456b415849c2e338f7d0976e78b3ac9ae9f5
MD5 SHA1 SHA512

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Cab913A.tmp

Path C:\Users\Admin\AppData\Local\Temp\Cab913A.tmp
Size 70KB
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
SSDEEP 1536:gc257bHnClJ3v5mnAQEBP+bfnW8Ctl8G1G4eu76NWDdB34w18R5cBWcJAm68+Q:gp2ld5jPqW8LgeulxB3fgcEfDQ
MD5 SHA1 SHA512 SSDEEP

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Tar914C.tmp

Path C:\Users\Admin\AppData\Local\Temp\Tar914C.tmp
Size 181KB
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
SSDEEP 1536:aAZw/J+lCUsTRvsqgCyqWlUDNWdm1wpSru2A0XwjY/z02DTr3rmt6mZ:as2J+qTR0XCy/dmASru2AijbdG
MD5 SHA1 SHA512 SSDEEP

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chargeable.exe

Path \Users\Admin\AppData\Roaming\confuse\chargeable.exe
Size 119KB
SHA256 8dd48052939b736d425f8aeb8a13b974c1df4a66608b00792da16c4c553dc73a
MD5 d60af1277b9275ea66c00b4a2dc6721c
SHA1 f7cf2d6ef2d5b561448f6e352dc187664d80531b
SHA512 f0c0a1735751afaac030e4206678b6be494386304dee767e56ed282fa1e488889876c1c8fe3edf2ca52c56403d0517fbdb46a3e2c2e1c62bdf75262d1774add5
SSDEEP 1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOt:P5eznsjsguGDFqGZ2rDL14FOt
MD5 SHA1 SHA512 SSDEEP

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memory/1744-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

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memory/1744-164-0x0000000074AB0000-0x000000007505B000-memory.dmp

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memory/1744-182-0x0000000074AB0000-0x000000007505B000-memory.dmp

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memory/1744-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

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memory/1744-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

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memory/2524-338-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2524-341-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/2524-340-0x0000000000400000-0x000000000040C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads