njrat | f93a07b9db9e6b6b8b9a33764bbdbbc94de3c0f964adad8a75afc10e5af7de45

General

Target

1e7da62945110b7089e04aaf6e5a51a0N.exe
Size

118KB
MD5

1e7da62945110b7089e04aaf6e5a51a0
SHA1

f93f93be654fb638c5088a23f964624d4c5f8cb9
SHA256

f93a07b9db9e6b6b8b9a33764bbdbbc94de3c0f964adad8a75afc10e5af7de45
SHA512

ca5398546830cdeb579daab62eab74971ec27918b60b53d6d016705d48fc10108c5e35087455dc10b98e759699b478fc61113d4a2ab8d613d6065e968b1b3a4d
SSDEEP

1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL143T:P5eznsjsguGDFqGZ2rDL143T

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
2916	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1452	chargeable.exe
1156	chargeable.exe

Loads dropped DLL 2 IoCs

pid	Process
2128	1e7da62945110b7089e04aaf6e5a51a0N.exe
2128	1e7da62945110b7089e04aaf6e5a51a0N.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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\confuse = "C:\\Users\\Admin\\AppData\\Roaming\\confuse\\chargeable.exe"	1e7da62945110b7089e04aaf6e5a51a0N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysMain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1e7da62945110b7089e04aaf6e5a51a0N.exe"	1e7da62945110b7089e04aaf6e5a51a0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1452 set thread context of 1156	1452	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

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe
Token: 33	1156	chargeable.exe
Token: SeIncBasePriorityPrivilege	1156	chargeable.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1452	2128	1e7da62945110b7089e04aaf6e5a51a0N.exe	30
PID 2128 wrote to memory of 1452	2128	1e7da62945110b7089e04aaf6e5a51a0N.exe	30
PID 2128 wrote to memory of 1452	2128	1e7da62945110b7089e04aaf6e5a51a0N.exe	30
PID 2128 wrote to memory of 1452	2128	1e7da62945110b7089e04aaf6e5a51a0N.exe	30
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1452 wrote to memory of 1156	1452	chargeable.exe	31
PID 1156 wrote to memory of 2916	1156	chargeable.exe	33
PID 1156 wrote to memory of 2916	1156	chargeable.exe	33
PID 1156 wrote to memory of 2916	1156	chargeable.exe	33
PID 1156 wrote to memory of 2916	1156	chargeable.exe	33

C:\Users\Admin\AppData\Local\Temp\1e7da62945110b7089e04aaf6e5a51a0N.exe
"C:\Users\Admin\AppData\Local\Temp\1e7da62945110b7089e04aaf6e5a51a0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2128
- 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:1452
- - 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:1156
  - - 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:2916

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

Replay Monitor

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Downloads

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

Filesize
342B

MD5
eed6fdd45a4f4c2e9fee3ba845b4b61e

SHA1
ea0a327a0dea653157bdc9085dc44a1318d2f605

SHA256
47d1d895441485b9071e3add12570d43e2c958734b8eb5eeedae167d036b0592

SHA512
26f7cf993756e83373790115123e6aa6b8b12f45612fcf9d386edb6ea15ba7b0eeb906c33e7380e5f1c1d99bfd949c673b3f846cbba22e931d6a654ab411dd0f

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

Filesize
342B

MD5
8d8326763838a15b14c5afbdd28f8208

SHA1
33ee4a6a41a930e99506a597a4556b1607dd9066

SHA256
68bb927d307af68a08667f5eb6ee598728de0c36409bd8394bb72725f9f0e29d

SHA512
92dc707a8d6419233e5611b88cc99b40e8d6e8700279353d5b0e8208bfef813c12e09298b7ab2c10ba19917f675e8a58b517e24be9c3753a85f78b8bc085745c

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

Filesize
342B

MD5
aca35045669892e52d86fafc0b8dc251

SHA1
e291209849a4e05bdc2c96f69cb561abba67c38b

SHA256
795eb5ce1f63d8c6331a0a81fa5a46befa2d9b15adb915ed58446fb55a7485f4

SHA512
7809460fb693ca05a61730924e65f94f3b8816bee24aff257bb67a7a229385e31951a44d1b53792d7abf547c8cbcd74327d0cb0d5cd95da12dcc87d1573ca170

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9149.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar915C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

Filesize
118KB

MD5
36126ba45ac7721cdff6311b6a641bc6

SHA1
ebf19da7bda3f30d710ed988c5ea75bb67de8697

SHA256
50b5c43c220f383546a22cd6d77b7344f5d3b276fd0e1f2435787384098824dc

SHA512
7ccf0b49d53fae6ad91268194fc60d94430dbda2219b77611e8a620ac84360b62ece3466298ab3143ce548e16e63756a14089593e8db116ff22de610fe5c1a5e

Download Submit
memory/1156-337-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1156-339-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1156-340-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2128-0-0x0000000074791000-0x0000000074792000-memory.dmp

Filesize
4KB

Download
memory/2128-181-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-2-0x0000000074790000-0x0000000074D3B000-memory.dmp

Filesize
5.7MB

Download
memory/2128-1-0x0000000074790000-0x0000000074D3B000-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