njrat | 98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61df

General

Target

98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
Size

117KB
MD5

6eefb4f44dfecd1aff72270ce996d260
SHA1

ca44fdb831b46dfee3ceb04a52bb111d9cfec7a7
SHA256

98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61df
SHA512

8bcf0f60850a2a3c1808eeff9350cd4249a8156495c61c9af2ccaa049a9506cc0a0b1b5db9cd09b31399f0ba47eb50969f4f215be13aa6a26927ebbb63696bd1
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVH:P5eznsjsguGDFqGZ2rDLt

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
2708	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
436	chargeable.exe
2828	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe"	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 436 set thread context of 2828	436	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe
Token: 33	2828	chargeable.exe
Token: SeIncBasePriorityPrivilege	2828	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 436	2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	30
PID 2476 wrote to memory of 436	2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	30
PID 2476 wrote to memory of 436	2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	30
PID 2476 wrote to memory of 436	2476	98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe	30
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 436 wrote to memory of 2828	436	chargeable.exe	31
PID 2828 wrote to memory of 2708	2828	chargeable.exe	32
PID 2828 wrote to memory of 2708	2828	chargeable.exe	32
PID 2828 wrote to memory of 2708	2828	chargeable.exe	32
PID 2828 wrote to memory of 2708	2828	chargeable.exe	32

C:\Users\Admin\AppData\Local\Temp\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe
"C:\Users\Admin\AppData\Local\Temp\98f649cb49b476d4446f2305e67c5394dd6e28b168683d8f9995d0a1c1eb61dfN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2476
- 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:436
- - 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:2828
  - - 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:2708

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
32aa66aeb9040c8455e72e3ecc52485d

SHA1
94e13b5ddf0d3c4a3de369085c5b58f517ff4c8b

SHA256
fa55ac7db9aef9573806d7597582772b612f5fc30d33ade68eb418491220ced2

SHA512
adf4955a301b41d432aff393445e2976d08e4f3364f5a7e85f73f263d8494e56435009d8c1c4573c601e3ed089bd2ab108d020cb6550af3bbbfc4149d4f86a2b

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

Filesize
342B

MD5
7a9c9d411b7e6013ab215d6f4f56dc21

SHA1
872d84bf2f7c9cd96e8216ded144bb56b6829f98

SHA256
72acac576f13cfa761e4d2bb038a36d01fc634f1667f0698ebc04ec1e6e52fb6

SHA512
36be309288647fdf51d51f5018c9bea7e32b8079881916a393b5daa79f4e3747d628ad3731ec6b4bf997542367be3095d36ea069efbe1c028fdd020a3148c57a

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

Filesize
342B

MD5
b5843ea652a43d4dd5d1bde4f66d28c0

SHA1
fa566b2e330fb7fd6fed32dd95f7deb1556d27cd

SHA256
7597ebd1f16ffda8dd25622187aa90b081f0f28c2eba967c46221d1763443a62

SHA512
adaba5a5c6ed3db24d8883ad3412d86d8fe571539d0fd95425454b0bb1f61fe46c23543bab3a2b2842b5e99c7b10cbf4d7bc83b8431ac55c3378bb65cdafa994

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab60E7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6148.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
117KB

MD5
b440cfded63fdd7cc852c5c2f95deb59

SHA1
30208727f42865946d1ab11b0c8b2b3269df717a

SHA256
b535aa9aec6438935ad894b8143d63e5cb69f168f906d70207f7de6415a01ecf

SHA512
561b0330b404bd8a2c156d4ed6c1b80a8cb7c9477d076e4fc43d50fa002d11c8b0f8b72b1953b79c7f5b5429cc945488613358502a8f4527960aac5e3b68f1c0

Download Submit
memory/2476-167-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-169-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

Filesize
4KB

Download
memory/2476-179-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-9-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2476-1-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2828-343-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2828-345-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2828-346-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads