njrat | b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

General

Target

b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe
Size

31KB
MD5

1ff8cbbd10873bd03aa7a2a8972536de
SHA1

64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd
SHA256

b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f
SHA512

04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

Score

10^/10

njrat hacker evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hacker

C2

gugu.zapto.org:6522

Mutex

673a2b1b4c3514163eac4c9951b69533

Attributes

reg_key
673a2b1b4c3514163eac4c9951b69533
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

WindowsServices.exe

pid process

1492 WindowsServices.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Loads dropped DLL 1 IoCs

Processes:

b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe

pid process

532 b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1492	WindowsServices.exe

pid	process
532	b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

WindowsServices.exe

description	pid	process
Token: SeDebugPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe
Token: 33	1492	WindowsServices.exe
Token: SeIncBasePriorityPrivilege	1492	WindowsServices.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exeWindowsServices.exe

description	pid	process	target process
PID 532 wrote to memory of 1492	532	b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe	WindowsServices.exe
PID 532 wrote to memory of 1492	532	b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe	WindowsServices.exe
PID 532 wrote to memory of 1492	532	b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe	WindowsServices.exe
PID 532 wrote to memory of 1492	532	b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe	WindowsServices.exe
PID 1492 wrote to memory of 1936	1492	WindowsServices.exe	netsh.exe
PID 1492 wrote to memory of 1936	1492	WindowsServices.exe	netsh.exe
PID 1492 wrote to memory of 1936	1492	WindowsServices.exe	netsh.exe
PID 1492 wrote to memory of 1936	1492	WindowsServices.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe
"C:\Users\Admin\AppData\Local\Temp\b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:532

C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
3⤵
PID:1936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
Filesize
31KB

MD5
1ff8cbbd10873bd03aa7a2a8972536de

SHA1
64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

SHA256
b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

SHA512
04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

Download Submit
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
Filesize
31KB

MD5
1ff8cbbd10873bd03aa7a2a8972536de

SHA1
64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

SHA256
b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

SHA512
04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

Download Submit
\Users\Admin\AppData\Local\Temp\WindowsServices.exe
Filesize
31KB

MD5
1ff8cbbd10873bd03aa7a2a8972536de

SHA1
64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

SHA256
b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

SHA512
04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

Download Submit
memory/532-54-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download
memory/532-55-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1492-57-0x0000000000000000-mapping.dmp

Download
memory/1492-61-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1936-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing