njrat | 0a8f103663675aa2d620e2c6f3e9c62272f888c7fbc56e741c391f54805af60c

General

Target

e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe
Size

48KB
MD5

e67f78a1ad2be092bff4b5a77f75a95f
SHA1

512d771555fac3763075be35d82b7fc5b30b823f
SHA256

0a8f103663675aa2d620e2c6f3e9c62272f888c7fbc56e741c391f54805af60c
SHA512

fa583c79753cc73b5ffbdf97ac9cf1ea9d5679a59f54b0cdab6dd84d03d89882e0145ff03445d26ff0ec895eeb78410c895e852324e5bde0c472a53a9bf7014b
SSDEEP

768:fTmuahL7+mBGdFvUoLD5b57Lsfc5PftTcScoqFJNCTGY:fTl07tOFvUGtl7Lsfc5BXqATGY

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 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3504	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	taskmgr.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0fdd407147d78db9d1fc9a35f7f85c10.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0fdd407147d78db9d1fc9a35f7f85c10.exe	svhost.exe

Executes dropped EXE 2 IoCs

pid	Process
4316	taskmgr.exe
2456	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0fdd407147d78db9d1fc9a35f7f85c10 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0fdd407147d78db9d1fc9a35f7f85c10 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .."	svhost.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 3 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

System Location Discovery: System Language Discovery 1 TTPs 4 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	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe
Token: SeDebugPrivilege	4316	taskmgr.exe
Token: SeDebugPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe
Token: 33	2456	svhost.exe
Token: SeIncBasePriorityPrivilege	2456	svhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 4316	3668	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe	86
PID 3668 wrote to memory of 4316	3668	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe	86
PID 3668 wrote to memory of 4316	3668	e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe	86
PID 4316 wrote to memory of 2456	4316	taskmgr.exe	90
PID 4316 wrote to memory of 2456	4316	taskmgr.exe	90
PID 4316 wrote to memory of 2456	4316	taskmgr.exe	90
PID 2456 wrote to memory of 3504	2456	svhost.exe	91
PID 2456 wrote to memory of 3504	2456	svhost.exe	91
PID 2456 wrote to memory of 3504	2456	svhost.exe	91

C:\Users\Admin\AppData\Local\Temp\e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e67f78a1ad2be092bff4b5a77f75a95f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Users\Admin\AppData\Local\Temp\taskmgr.exe
  "C:\Users\Admin\AppData\Local\Temp\taskmgr.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Users\Admin\AppData\Roaming\svhost.exe
    "C:\Users\Admin\AppData\Roaming\svhost.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:2456
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:3504

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

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\Temp\FcpDkB

Filesize
23KB

MD5
1fa0fb9dfb1b49a85b6c96ddcd3b4f66

SHA1
a8323c17db2e041ff965a5f75f26c85a7aeb5db9

SHA256
52a961de1a76bdac1a7c0628f5eea147f5bd2dcc55c84ca38528dd96a50082c4

SHA512
f1900518026f9d72247a300e9ac9b5a2df8aaa3d7ccc9c71e9258f377a5d9829128d6da69745ff57145e3f2c78bbb99550ed3bc6a05059d180af3b048ea63322

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

Filesize
48KB

MD5
e67f78a1ad2be092bff4b5a77f75a95f

SHA1
512d771555fac3763075be35d82b7fc5b30b823f

SHA256
0a8f103663675aa2d620e2c6f3e9c62272f888c7fbc56e741c391f54805af60c

SHA512
fa583c79753cc73b5ffbdf97ac9cf1ea9d5679a59f54b0cdab6dd84d03d89882e0145ff03445d26ff0ec895eeb78410c895e852324e5bde0c472a53a9bf7014b

Download Submit
memory/2456-36-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/2456-42-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/2456-37-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-16-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3668-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/4316-17-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4316-35-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4316-22-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4316-18-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4316-15-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads