njrat | c3b8541902e9c0c71952e3c1474d4e1da1ea8e4faa79eb6c1924290899c38492

General

Target

f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe
Size

405KB
MD5

f8fd905c61fcfa50a4068cf86615caec
SHA1

428dcf78a8b45b1f58b8af58bda34318002e0bae
SHA256

c3b8541902e9c0c71952e3c1474d4e1da1ea8e4faa79eb6c1924290899c38492
SHA512

0d58dd4259add62d64c447611ad7fd741540e4e6824516f27fe6af6f1bb2076924e00e610e1db239ce6c5b70b36fceeb9479a97636d499d3917969d415c87981
SSDEEP

768:pcF7fb4ITzbxN5aykR8eIo4dYVK4mxZzCARMivsPqbU5d5Hxt0I+Y9FqYEXNhc:pcNfbhxN5613CMivtUBHxeIN9F3EXNG

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

sasbab.ddns.net:5552

Mutex

9a936159a3e9c2a9c23e812afe89cdb2

Attributes

reg_key
9a936159a3e9c2a9c23e812afe89cdb2
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

2648 netsh.exe

pid	process
2648	netsh.exe

Drops startup file 2 IoCs

Processes:

some.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9a936159a3e9c2a9c23e812afe89cdb2.exe	some.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9a936159a3e9c2a9c23e812afe89cdb2.exe	some.exe

Executes dropped EXE 1 IoCs

Processes:

some.exe

pid process

2812 some.exe

pid	process
2812	some.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

some.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\9a936159a3e9c2a9c23e812afe89cdb2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\some.exe\" .."	some.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9a936159a3e9c2a9c23e812afe89cdb2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\some.exe\" .."	some.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

some.exe

description	pid	process
Token: SeDebugPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe
Token: 33	2812	some.exe
Token: SeIncBasePriorityPrivilege	2812	some.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exesome.exe

description	pid	process	target process
PID 1708 wrote to memory of 2812	1708	f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe	some.exe
PID 1708 wrote to memory of 2812	1708	f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe	some.exe
PID 1708 wrote to memory of 2812	1708	f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe	some.exe
PID 2812 wrote to memory of 2648	2812	some.exe	netsh.exe
PID 2812 wrote to memory of 2648	2812	some.exe	netsh.exe
PID 2812 wrote to memory of 2648	2812	some.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8fd905c61fcfa50a4068cf86615caec_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1708

C:\Users\Admin\AppData\Roaming\some.exe
"C:\Users\Admin\AppData\Roaming\some.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\some.exe" "some.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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

C:\Users\Admin\AppData\Roaming\some.exe
Filesize
405KB

MD5
f8fd905c61fcfa50a4068cf86615caec

SHA1
428dcf78a8b45b1f58b8af58bda34318002e0bae

SHA256
c3b8541902e9c0c71952e3c1474d4e1da1ea8e4faa79eb6c1924290899c38492

SHA512
0d58dd4259add62d64c447611ad7fd741540e4e6824516f27fe6af6f1bb2076924e00e610e1db239ce6c5b70b36fceeb9479a97636d499d3917969d415c87981

Download Submit
memory/1708-0-0x0000000000540000-0x000000000054C000-memory.dmp

Filesize
48KB

Download
memory/1708-1-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download
memory/1708-2-0x0000000000C10000-0x0000000000C90000-memory.dmp

Filesize
512KB

Download
memory/1708-3-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download
memory/1708-9-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download
memory/2812-10-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download
memory/2812-11-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download
memory/2812-13-0x000007FEF44F0000-0x000007FEF4E8D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads