njrat | 40c7945ff7ba7aad8001b48f637996eb473dab74d825e87f7c4494a162af2254

General

Target

d0e8c16e6646f3eaaf78d273139f2df0N.exe
Size

116KB
MD5

d0e8c16e6646f3eaaf78d273139f2df0
SHA1

6e6758b239b8cab23e04d208c0d3702cfb7c8b9b
SHA256

40c7945ff7ba7aad8001b48f637996eb473dab74d825e87f7c4494a162af2254
SHA512

a620c5c3df8351dba88308d3334ea43808566dcdfc45327655ef68cbccb61de5198727db56a41badd97d06b5c6b38c82b3ff85f4e88f301634f81009b84709b0
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIR:P5eznsjsguGDFqGZ2rDIR

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
2544	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
324	chargeable.exe
2868	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2188	d0e8c16e6646f3eaaf78d273139f2df0N.exe
2188	d0e8c16e6646f3eaaf78d273139f2df0N.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	d0e8c16e6646f3eaaf78d273139f2df0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d0e8c16e6646f3eaaf78d273139f2df0N.exe"	d0e8c16e6646f3eaaf78d273139f2df0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 324 set thread context of 2868	324	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0e8c16e6646f3eaaf78d273139f2df0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chargeable.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe
Token: 33	2868	chargeable.exe
Token: SeIncBasePriorityPrivilege	2868	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 324	2188	d0e8c16e6646f3eaaf78d273139f2df0N.exe	30
PID 2188 wrote to memory of 324	2188	d0e8c16e6646f3eaaf78d273139f2df0N.exe	30
PID 2188 wrote to memory of 324	2188	d0e8c16e6646f3eaaf78d273139f2df0N.exe	30
PID 2188 wrote to memory of 324	2188	d0e8c16e6646f3eaaf78d273139f2df0N.exe	30
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 324 wrote to memory of 2868	324	chargeable.exe	31
PID 2868 wrote to memory of 2544	2868	chargeable.exe	32
PID 2868 wrote to memory of 2544	2868	chargeable.exe	32
PID 2868 wrote to memory of 2544	2868	chargeable.exe	32
PID 2868 wrote to memory of 2544	2868	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\d0e8c16e6646f3eaaf78d273139f2df0N.exe
"C:\Users\Admin\AppData\Local\Temp\d0e8c16e6646f3eaaf78d273139f2df0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- 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:324
- - 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:2868
  - - 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:2544

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\Content\C0018BB1B5834735BFA60CD063B31956

Filesize
1KB

MD5
732cfeb76b91c4d13978a00b8c666ed7

SHA1
0c57f76436701f4d51397d1d4e86337dd9ab1964

SHA256
9fab9fc0a1da813e6ddb93904c1fcfa6546cfbe70747ff8468ddd14d2552dbd2

SHA512
2b8618e823355a4fa646d51a753f67d34bd7b14367d46fa187f2294af7c2794c6cdee664ea570862757a5f1c99dfcb67a7d4ddf8389d07dd8d696fe55aa538bd

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

Filesize
342B

MD5
e6a1577846952c5ed5ccbc115c36024f

SHA1
f79fbc5a2e0cbf742da0268e04e3fb69d46903b7

SHA256
31f7ab29d25278075804e0fac9029a90d008317a4ace90dafca83ecd60b23ab5

SHA512
53413dd48a7cd086f6fa11b38b68b5e84cc1f2586f4e66a41814c04a2fb6296a9d1a6344aa2f62f55b986a53dea4a54c2a0e9f1e7c89d0c19a64eef67b3a35f6

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

Filesize
342B

MD5
c8feb5f8d0a3a1743ab3e92a83f5fd8a

SHA1
b3370d95c33077ed8d7e46236c71385d2a7e40c9

SHA256
9b1754e153775be3eb096814d42b8f8ebaba8ae14c85af7782738f08d500f870

SHA512
598978e3f9d286ba61dca12414bcfd3626707c3538cd5f905a993b8bdd2d10f73c8404754fb3e31f5939cc9bb6f4d5c9b255a479c61607a8b61f0bfba172f54b

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

Filesize
342B

MD5
39c9ba379f65dc104c9c620105fa09bb

SHA1
8fb9a1ca8705f064713a8d55cf3443d9d2fd554d

SHA256
b5fae5c882c3a97631bc5d52b9744dcfcbb89ff56f0c0a3f9cf4343bde0b8b52

SHA512
e037a7a5459a9a652fe8bb355628b05b15aabea9c58355b8923b294effd4fa2365d283f109f1df32d70377d6cba1abd09e9773f9590ff2cf1a1425a0596d2ad8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C0018BB1B5834735BFA60CD063B31956

Filesize
252B

MD5
b02b2c1864c44772bda3b8c8c8de4e55

SHA1
40eb349da609dc9accd4e2aa5a53787c720b50de

SHA256
73ccdf14e5d6a9e2988f692f333f2e7a10be574ac2f526b9cf3de097a362aa87

SHA512
c8fade8f78c07125395304282d890de3806cb0b595dcad6fdf94b88ab42e09c7fc35004a69305f580fbd101e7fffe31789759b007050f5e48fb151a700295a4c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab566C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar568E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
116KB

MD5
056c286d15cba6daf31ea3df3d2f9d8d

SHA1
dccfec60fea93851bec8a43b9cf436a0cc97d852

SHA256
46f0b0886e3a648e32355270f7816054fb90acad4c38be31b2facf2a8d5c0a44

SHA512
20ec8f081bfbd84b670695be102d37ff5416dc8cb58a444aabb744e89e14223e709408e0deb9f6de4d2e70f8b7b17f651e4bc8d13bb393075683827651671174

Download Submit
memory/2188-180-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-170-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/2188-0-0x0000000074351000-0x0000000074352000-memory.dmp

Filesize
4KB

Download
memory/2188-8-0x0000000074350000-0x00000000748FB000-memory.dmp

Filesize
5.7MB

Download
memory/2868-349-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2868-348-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2868-346-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads