njrat | bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

General

Target

e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
Size

23KB
MD5

e089aff85d76e68515a5dd65180364af
SHA1

a7cf5bbda13cc2bd75f200ed82620cccc0c78a13
SHA256

bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
SHA512

593be830ee7122c93ea2e4dbcca0181413e1b2455ca4fe0ce66ef42997351380b8d2c9c3fce184d04e1113cf3229372d2da9d6e638c15c7e78234b8de4931991
SSDEEP

384:BpMKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZhX:BCW4V6+yDRpcnui

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
4224	netsh.exe

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4719599c6e49aad91cb3f7978e53123b.exe	system.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4719599c6e49aad91cb3f7978e53123b.exe	system.exe

Executes dropped EXE 1 IoCs

pid	Process
748	system.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4719599c6e49aad91cb3f7978e53123b = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4719599c6e49aad91cb3f7978e53123b = "\"C:\\Users\\Admin\\AppData\\Roaming\\system.exe\" .."	system.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 3 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	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe
Token: 33	748	system.exe
Token: SeIncBasePriorityPrivilege	748	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 748	3420	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	99
PID 3420 wrote to memory of 748	3420	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	99
PID 3420 wrote to memory of 748	3420	e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe	99
PID 748 wrote to memory of 4224	748	system.exe	103
PID 748 wrote to memory of 4224	748	system.exe	103
PID 748 wrote to memory of 4224	748	system.exe	103

C:\Users\Admin\AppData\Local\Temp\e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e089aff85d76e68515a5dd65180364af_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Roaming\system.exe
  "C:\Users\Admin\AppData\Roaming\system.exe"
  2⤵
  - 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:748
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4264,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:3040

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\Roaming\system.exe

Filesize
23KB

MD5
e089aff85d76e68515a5dd65180364af

SHA1
a7cf5bbda13cc2bd75f200ed82620cccc0c78a13

SHA256
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689

SHA512
593be830ee7122c93ea2e4dbcca0181413e1b2455ca4fe0ce66ef42997351380b8d2c9c3fce184d04e1113cf3229372d2da9d6e638c15c7e78234b8de4931991

Download Submit
memory/748-13-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/748-14-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/748-16-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/3420-0-0x0000000074C12000-0x0000000074C13000-memory.dmp

Filesize
4KB

Download
memory/3420-1-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/3420-2-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download
memory/3420-12-0x0000000074C10000-0x00000000751C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads