njrat | 816b68815e27c0f0599698fcd978526d4e340c91208dd3cd06d88429d99bb91c

General

Target

687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe
Size

37KB
MD5

687256c30b6bc6d544a7a87db1f1fd63
SHA1

c0a94a26040ad562b522052f5776f0ac7fbfcf35
SHA256

816b68815e27c0f0599698fcd978526d4e340c91208dd3cd06d88429d99bb91c
SHA512

89bfac44e84b1070760b4a9c8b8f4e47d305c2e2709b671dfabbdcfee0c85e37531a33cfed9b578316f47b83c4f0bbf77e9f2fbdafce91eb436b85c7c88238b7
SSDEEP

384:S0+6WIiejtCVLO309Qmykrt4QdqMjf+vWEWYrAF+rMRTyN/0L+EcoinblneHQM36:6HdGdkrOGb+eE7rM+rMRa8Nuzvt

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

192.168.0.60:5552

Mutex

dcd9ff3b6e5ea7c0a92708c0a2f08a9c

Attributes

reg_key
dcd9ff3b6e5ea7c0a92708c0a2f08a9c
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2864 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

hostdll.exe

pid process

2588 hostdll.exe
Loads dropped DLL 1 IoCs

Processes:

687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe

pid process

1916 687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2864	netsh.exe

pid	process
2588	hostdll.exe

pid	process
1916	687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

hostdll.exe

description	pid	process
Token: SeDebugPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe
Token: 33	2588	hostdll.exe
Token: SeIncBasePriorityPrivilege	2588	hostdll.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exehostdll.exe

description	pid	process	target process
PID 1916 wrote to memory of 2588	1916	687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe	hostdll.exe
PID 1916 wrote to memory of 2588	1916	687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe	hostdll.exe
PID 1916 wrote to memory of 2588	1916	687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe	hostdll.exe
PID 1916 wrote to memory of 2588	1916	687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe	hostdll.exe
PID 2588 wrote to memory of 2864	2588	hostdll.exe	netsh.exe
PID 2588 wrote to memory of 2864	2588	hostdll.exe	netsh.exe
PID 2588 wrote to memory of 2864	2588	hostdll.exe	netsh.exe
PID 2588 wrote to memory of 2864	2588	hostdll.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\687256c30b6bc6d544a7a87db1f1fd63_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916

C:\Users\Admin\AppData\Local\Temp\hostdll.exe
"C:\Users\Admin\AppData\Local\Temp\hostdll.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\hostdll.exe" "hostdll.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2864

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hostdll.exe
Filesize
37KB

MD5
687256c30b6bc6d544a7a87db1f1fd63

SHA1
c0a94a26040ad562b522052f5776f0ac7fbfcf35

SHA256
816b68815e27c0f0599698fcd978526d4e340c91208dd3cd06d88429d99bb91c

SHA512
89bfac44e84b1070760b4a9c8b8f4e47d305c2e2709b671dfabbdcfee0c85e37531a33cfed9b578316f47b83c4f0bbf77e9f2fbdafce91eb436b85c7c88238b7

Download Submit
memory/1916-0-0x0000000074A71000-0x0000000074A72000-memory.dmp

Filesize
4KB

Download
memory/1916-1-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-2-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/1916-10-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/2588-11-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/2588-12-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/2588-13-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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