njrat | 6390420606e1cc53a9b1b4e0f5de74579b0d7f8e6a5764e756a5834a6e8e4ef1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2024 06:05

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General

Target

60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Size

2.0MB
MD5

60ba21859995cc58f4c83f517f404e7f
SHA1

08ba459aa1703b30c438a697a1b4a928b535659e
SHA256

6390420606e1cc53a9b1b4e0f5de74579b0d7f8e6a5764e756a5834a6e8e4ef1
SHA512

0932af47841221151545548b6d8abdd312e1da29f44586025f792c1b8476c1c8464193fbd3d16a060537494622c6b2f6a2dcd4e9e73f71ead6c651d00f42db02
SSDEEP

49152:JTQhtsJUzvV9JlAaQWCt4oMXvQdUide+viDz372y7S7:VqFzt9ca9Ct4e5dNgzA

Score

10^/10

njrat persistence trojan

Malware Config

Extracted

Family

njrat

Version

Stub

Mutex

fiouyasgdhiyfo

Attributes

reg_key
fiouyasgdhiyfo
splitter
|'|'|

Signatures

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

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	60ba21859995cc58f4c83f517f404e7f_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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup = "C:\\Users\\Public\\Documents\\svchost"	reg.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: 33	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 856 wrote to memory of 2428	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe	85
PID 856 wrote to memory of 2428	856	60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe	85
PID 2428 wrote to memory of 3272	2428	cmd.exe	91
PID 2428 wrote to memory of 3272	2428	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\60ba21859995cc58f4c83f517f404e7f_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\reg.exe
    reg add "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce" /v "Startup" /t REG_SZ /d C:\Users\Public\Documents\svchost /f
    3⤵
    - Adds Run key to start application
    PID:3272

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/856-0-0x00007FF670A10000-0x00007FF670F86000-memory.dmp

Filesize
5.5MB

Download
memory/856-1-0x0000000002AD0000-0x0000000002ADA000-memory.dmp

Filesize
40KB

Download
memory/856-2-0x0000000022FD0000-0x000000002349E000-memory.dmp

Filesize
4.8MB

Download
memory/856-3-0x00000000234F0000-0x0000000023536000-memory.dmp

Filesize
280KB

Download
memory/856-5-0x00000000242F0000-0x0000000024396000-memory.dmp

Filesize
664KB

Download
memory/856-6-0x0000000024550000-0x00000000245EC000-memory.dmp

Filesize
624KB

Download
memory/856-7-0x0000000002B40000-0x0000000002B48000-memory.dmp

Filesize
32KB

Download
memory/856-9-0x00007FF670A10000-0x00007FF670F86000-memory.dmp

Filesize
5.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads