njrat | 86ebe1fa6a22476b626674e022b22fc47ff62d076ca224533952fd98e79da6aa

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 23:50

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General

Target

fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe
Size

317KB
MD5

fb208e0c16a9f0429f74790360279064
SHA1

f17b9c0d7761412ccf60f81ff6b6b93a2678a5b3
SHA256

86ebe1fa6a22476b626674e022b22fc47ff62d076ca224533952fd98e79da6aa
SHA512

183d360b2cf1935a7c31b942dd745f6e95f2c63e5872185ae47eb07e1aad3984d63630ae2f3e55dae5b9314a1d9341f261c24db7f22add37b10c970ec34685f9
SSDEEP

6144:zIIcrXQ4S33w614mazUBHfSdocWYD24O/X+tGfnDUQPmx7:9crNS33L10QdrXP/X+tGfnDUQPO7

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2732	netsh.exe
2468	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Microsoft Corporation.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\87736a04cc0c0a483461bb74827da123.exe	Microsoft Corporation.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\87736a04cc0c0a483461bb74827da123.exe	Microsoft Corporation.exe

Executes dropped EXE 4 IoCs

pid	Process
3936	svchost.exe
1740	svchost.exe
880	Microsoft Corporation.exe
4864	Microsoft Corporation.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\87736a04cc0c0a483461bb74827da123 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft Corporation.exe\" .."	Microsoft Corporation.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\87736a04cc0c0a483461bb74827da123 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft Corporation.exe\" .."	Microsoft Corporation.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	Microsoft Corporation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft Corporation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe
1740	svchost.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	svchost.exe
Token: SeDebugPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe
Token: 33	4864	Microsoft Corporation.exe
Token: SeIncBasePriorityPrivilege	4864	Microsoft Corporation.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 3936	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	83
PID 5052 wrote to memory of 3936	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	83
PID 5052 wrote to memory of 3936	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	83
PID 3936 wrote to memory of 1740	3936	svchost.exe	85
PID 3936 wrote to memory of 1740	3936	svchost.exe	85
PID 3936 wrote to memory of 1740	3936	svchost.exe	85
PID 5052 wrote to memory of 880	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	86
PID 5052 wrote to memory of 880	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	86
PID 5052 wrote to memory of 880	5052	fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe	86
PID 1740 wrote to memory of 2732	1740	svchost.exe	87
PID 1740 wrote to memory of 2732	1740	svchost.exe	87
PID 1740 wrote to memory of 2732	1740	svchost.exe	87
PID 880 wrote to memory of 4864	880	Microsoft Corporation.exe	93
PID 880 wrote to memory of 4864	880	Microsoft Corporation.exe	93
PID 880 wrote to memory of 4864	880	Microsoft Corporation.exe	93
PID 4864 wrote to memory of 2468	4864	Microsoft Corporation.exe	97
PID 4864 wrote to memory of 2468	4864	Microsoft Corporation.exe	97
PID 4864 wrote to memory of 2468	4864	Microsoft Corporation.exe	97

C:\Users\Admin\AppData\Local\Temp\fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb208e0c16a9f0429f74790360279064_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchost.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1740
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2732
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Microsoft Corporation.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Microsoft Corporation.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Users\Admin\AppData\Local\Temp\Microsoft Corporation.exe
    "C:\Users\Admin\AppData\Local\Temp\Microsoft Corporation.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4864
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Microsoft Corporation.exe" "Microsoft Corporation.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2468

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Microsoft Corporation.exe.log

Filesize
319B

MD5
91046f2e147049d3e53cd9bf9d4d95ed

SHA1
228e347d062840b2edcbd16904475aacad414c62

SHA256
ea92f8291b86440b98162409b1f9f04470455c22be01a1480ea5ebc37eb168dc

SHA512
071a9c6e17760a726c3a4519cf8006f36f17f50946af0129e0e1f3e480f6b7fcc804a7614b044247f2420a8b2b46bec5b8493e4869bb918bc7c0f6aa1346c3e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\svchost.exe.log

Filesize
319B

MD5
824ba7b7eed8b900a98dd25129c4cd83

SHA1
54478770b2158000ef365591d42977cb854453a1

SHA256
d182dd648c92e41cd62dccc65f130c07f0a96c03b32f907c3d1218e9aa5bda03

SHA512
ae4f3a9673711ecb6cc5d06874c587341d5094803923b53b6e982278fa64549d7acf866de165e23750facd55da556b6794c0d32f129f4087529c73acd4ffb11e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Microsoft Corporation.exe

Filesize
23KB

MD5
5f5ee5adb49c2819279740a4387539c2

SHA1
fc24f9f448c96625b7aad35dd99d5cda5087bb78

SHA256
ae21bab6821ce2c24fef1e07eda544ea4058a557f801038ebeeac695e3f098ce

SHA512
29bbcaf73d91ee31cb734af1e5afef70fdb08ae1b32c5d7e3954d87d765b46611635e5f711cdfb6f3c2e0af7da1493629103f707b2f2c00be79eb4a2cb98ed27

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchost.exe

Filesize
28KB

MD5
848d65828d0da957b3befc3b70220e24

SHA1
2456713eab021bfdae6f7d034530dd224ef0ff7a

SHA256
02f471fa9783bc3982811ac076782bd2f468b3bb5dacbbbf6bb94a42f4e9631b

SHA512
5dfc2f89226785c8f50411a69a6c3e2a7737d0d5ea1ef9219a21ada8d34ed35a1e2408f9b8de7682593dca9c228273fa3daca6d286f4ed5664e9ee69d16e1936

Download Submit
memory/1740-23-0x00000000735E0000-0x0000000073B91000-memory.dmp

Filesize
5.7MB

Download
memory/1740-33-0x00000000735E0000-0x0000000073B91000-memory.dmp

Filesize
5.7MB

Download
memory/1740-44-0x00000000735E0000-0x0000000073B91000-memory.dmp

Filesize
5.7MB

Download
memory/3936-11-0x00000000735E2000-0x00000000735E3000-memory.dmp

Filesize
4KB

Download
memory/3936-12-0x00000000735E0000-0x0000000073B91000-memory.dmp

Filesize
5.7MB

Download
memory/3936-24-0x00000000735E0000-0x0000000073B91000-memory.dmp

Filesize
5.7MB

Download