njrat | 8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

General

Target

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
Size

352KB
MD5

efde8f7c97f533dbb5f6b44412f7e0e8
SHA1

32b42444d368b4531dd5b196fb8413201b876f30
SHA256

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7
SHA512

9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6
SSDEEP

3072:rnyCcI+02me4sZh7Bl/D8C6yi/5rwWZsRPEY9wcDkSFwVxjhC9qOf5Zad77cN/b:vvU7jUyeEmsWuTo5vsWd7pvOU7HJ7M5

Score

10^/10

njrat w.w.w.w trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

w.w.w.w

C2

ksa-ok.ddns.net:1177

Mutex

3731b7c7eb0e242265ddcd1c2fa8c059

Attributes

reg_key
3731b7c7eb0e242265ddcd1c2fa8c059
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

prosek.exeprosek.exe

pid process

664 prosek.exe
1868 prosek.exe

pid	process
664	prosek.exe
1868	prosek.exe

Loads dropped DLL 3 IoCs

Processes:

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exeprosek.exe

pid	process
1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
664	prosek.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exeprosek.exe

description	pid	process	target process
PID 1724 set thread context of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 664 set thread context of 1868	664	prosek.exe	prosek.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exeprosek.exe

description	pid	process
Token: SeDebugPrivilege	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
Token: SeDebugPrivilege	664	prosek.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exeprosek.exe

description	pid	process	target process
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1724 wrote to memory of 1120	1724	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
PID 1120 wrote to memory of 664	1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	prosek.exe
PID 1120 wrote to memory of 664	1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	prosek.exe
PID 1120 wrote to memory of 664	1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	prosek.exe
PID 1120 wrote to memory of 664	1120	8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe
PID 664 wrote to memory of 1868	664	prosek.exe	prosek.exe

C:\Users\Admin\AppData\Local\Temp\8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
"C:\Users\Admin\AppData\Local\Temp\8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Temp\8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
C:\Users\Admin\AppData\Local\Temp\8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1120

C:\Users\Admin\AppData\Local\Temp\prosek.exe
"C:\Users\Admin\AppData\Local\Temp\prosek.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\prosek.exe
C:\Users\Admin\AppData\Local\Temp\prosek.exe
4⤵
- Executes dropped EXE
PID:1868

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
\Users\Admin\AppData\Local\Temp\prosek.exe
Filesize
352KB

MD5
efde8f7c97f533dbb5f6b44412f7e0e8

SHA1
32b42444d368b4531dd5b196fb8413201b876f30

SHA256
8103f3aba4d0dca4899bacc85a3f716f52ea505263ad559fb51db32bcc6d3da7

SHA512
9a6023d0f6d23c037c2a3bb296c328c12266a72b40d1bdf254bd901f1fe90157ff1678fcb8bee002e108a29986b05ecbc6431a1150c647decf2b57775b8747d6

Download Submit
memory/664-67-0x0000000000000000-mapping.dmp

Download
memory/664-76-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1120-64-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1120-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1120-55-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1120-58-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1120-71-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1120-63-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1120-56-0x000000000040748E-mapping.dmp

Download
memory/1724-54-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download
memory/1724-62-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1868-74-0x000000000040748E-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads