njrat | 522368c63afd804c949889c0316b113d4019d720b76fec1d773a94b7eee1f94e

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 23:21

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General

Target

d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe
Size

46KB
MD5

d30b2635874071bc14077678bec52a3c
SHA1

f0f87b36eee34aab8e4df6bb26f4cddb2aaadbd7
SHA256

522368c63afd804c949889c0316b113d4019d720b76fec1d773a94b7eee1f94e
SHA512

96ac23320acf15b7cfca1b41a954539098faa37b3fc627e5f6536518a9913b4723cc0c53b9c2b0fd3602890e8d06d332952ed7b0ab529520bb2b13862995f1eb
SSDEEP

768:rMpD+Zwq3r1uFbaYh+Jnq7az+xRug+n2hpUE+fDNkQp6HwfYTpP3KoDHQPc+e4Z:rmD+HZuY5q7az+GgDbUfZkQTfApP3KoY

Score

10^/10

njrat b hat discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

B HAT

Mutex

1fcb8fb3a4794ae29f1b8ef01d138a35

Attributes

reg_key
1fcb8fb3a4794ae29f1b8ef01d138a35
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
2836	cr.exe

Loads dropped DLL 1 IoCs

pid	Process
2896	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\helo = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cr.exe"	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cr.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe
Token: 33	2836	cr.exe
Token: SeIncBasePriorityPrivilege	2836	cr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2836	2896	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2836	2896	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2836	2896	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2836	2896	d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d30b2635874071bc14077678bec52a3c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\cr.exe
  "C:\Users\Admin\AppData\Local\Temp\cr.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\cr.exe

Filesize
39KB

MD5
9e5ca2d6e285b0a8dc24947172dd71f7

SHA1
501a1bc99b21630ea3b6b64d6efd7b321cfe2fe3

SHA256
08f2fa392e389a0ae68253e58dc0cce9b99f331b68aa3c53999bd2593fe18830

SHA512
a6156d847da04a63c04f0a91956dda3a1565c04c09e56e71a8e337e64143a4685040a520f52c8b56cc310685901f36433e620bb13882553b54f696280bef1296

Download Submit
memory/2836-9-0x00000000001C0000-0x00000000001D0000-memory.dmp

Filesize
64KB

Download
memory/2836-10-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/2836-11-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-12-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-13-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-14-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2896-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2896-1-0x00000000000A0000-0x00000000000B2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads