njrat | 0f2047255104025ef7b90ef43a35a5097d166a3315d15782c09cb559f67c8686

General

Target

3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe
Size

175KB
MD5

3594215acbb1bcd736c0f2aec09b4b08
SHA1

504a12614c236f843bb60d259af963a8fd8691cf
SHA256

0f2047255104025ef7b90ef43a35a5097d166a3315d15782c09cb559f67c8686
SHA512

18dae9e974fdb32426d15c3932280685578a33bbe357f0818c2685bf38c3dd32af2fe7ed3a58ce588037d3c9f7422bb0d26628f564af67fa3207170570b3ef4a
SSDEEP

3072:VLXKHBjmM3Qx26qzOWtfHmqRRBLmmZc7vuuPk5vKRVq2EXJj:dLM3L6hWtnvqI6vu5gGV

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

62.227.124.106:5552

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Checks computer location settings 2 TTPs 1 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	explorer.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	explorer.exe

Executes dropped EXE 3 IoCs

pid	Process
1816	explorer.exe
1708	Payload.exe
2732	explorer.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3936 set thread context of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 1708 set thread context of 2732	1708	Payload.exe	92

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 5 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	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe
Token: SeDebugPrivilege	1708	Payload.exe
Token: SeDebugPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe
Token: 33	2732	explorer.exe
Token: SeIncBasePriorityPrivilege	2732	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 3936 wrote to memory of 1816	3936	3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe	88
PID 1816 wrote to memory of 1708	1816	explorer.exe	89
PID 1816 wrote to memory of 1708	1816	explorer.exe	89
PID 1816 wrote to memory of 1708	1816	explorer.exe	89
PID 1816 wrote to memory of 960	1816	explorer.exe	90
PID 1816 wrote to memory of 960	1816	explorer.exe	90
PID 1816 wrote to memory of 960	1816	explorer.exe	90
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92
PID 1708 wrote to memory of 2732	1708	Payload.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
960	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3594215acbb1bcd736c0f2aec09b4b08_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Users\Admin\Documents\explorer.exe
  C:\Users\Admin\Documents\explorer.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - C:\Users\Admin\Documents\explorer.exe
      C:\Users\Admin\Documents\explorer.exe
      4⤵
      Drops startup file
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2732
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
319B

MD5
da4fafeffe21b7cb3a8c170ca7911976

SHA1
50ef77e2451ab60f93f4db88325b897d215be5ad

SHA256
7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

SHA512
0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
a2bdf65651bf647b5e2f008501d71ddc

SHA1
af9dd7b7c2ccae950ee2d21c585fccdcdd58220d

SHA256
37118466e955a6ca34b5bdbeebbccaa4da1b857682a986dde4e64e710fd0cb38

SHA512
d7b7b58d9e4ce0f7441048f46470b2a02289699119683ff2b33a7011bae1eba2d419ab637f6cf1f51d5a08b4d8d1b08f69548ecb0484892b331d1c17642e287a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1KB

MD5
8922f999a87fa684ec8c7a335b19e64b

SHA1
a7a37c39da3f4185fd3d271cf5842d5db460c907

SHA256
edfadcfeb9f9750f0017d0111127297eda3c0f50590408c44f8d894c5af97422

SHA512
abb8fe922afc8801b58944d45e0364ab684b42993e442895302566a4d9f3f26829e3275d22ce8895e191c41d83e1780d74f8723d04698210cbeb7dc6bc29ad92

Download Submit
C:\Users\Admin\Documents\explorer.exe

Filesize
175KB

MD5
3594215acbb1bcd736c0f2aec09b4b08

SHA1
504a12614c236f843bb60d259af963a8fd8691cf

SHA256
0f2047255104025ef7b90ef43a35a5097d166a3315d15782c09cb559f67c8686

SHA512
18dae9e974fdb32426d15c3932280685578a33bbe357f0818c2685bf38c3dd32af2fe7ed3a58ce588037d3c9f7422bb0d26628f564af67fa3207170570b3ef4a

Download Submit
memory/1708-29-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1708-45-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1708-32-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1708-31-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1816-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1816-30-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1816-11-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1816-13-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1816-10-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/3936-12-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/3936-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/3936-2-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/3936-1-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads