njrat | 279ee4c97a04e451b81b19335468440fc1c51bf36d13145f72673117383615b4

General

Target

d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe
Size

186KB
MD5

d7ac4f4640433ea8dc43e60badc8632e
SHA1

2c4a9cb374a00a030499205d415df1b2ef5e7bdf
SHA256

279ee4c97a04e451b81b19335468440fc1c51bf36d13145f72673117383615b4
SHA512

e0fea29ab2cf2e32aa103c2f356a0796d800c2fa3cebfe601a15660b5492f5013523926246d72ff542f62e7dc98c0dc97b4be89ae221aeb691413671381ba6e6
SSDEEP

3072:ECVtOsDF/M6J8XbQG5WomjbLp+w1VXaq34uKbhgKZ2WmOmN7GrR5Kq1vaOfIZ:TzDqL0dgkQSKbGKLOcf/a

Score

10^/10

njrat lol1999 discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

LOL1999

C2

windowold.zapto.org:1177

Mutex

5fa67d77995c7ce7613f64282dca3b93

Attributes

reg_key
5fa67d77995c7ce7613f64282dca3b93
splitter
|'|'|

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
2968	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5fa67d77995c7ce7613f64282dca3b93.exe	system32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5fa67d77995c7ce7613f64282dca3b93.exe	system32.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	system32.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5fa67d77995c7ce7613f64282dca3b93 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5fa67d77995c7ce7613f64282dca3b93 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system32.exe\" .."	system32.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	d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe
Token: 33	3040	system32.exe
Token: SeIncBasePriorityPrivilege	3040	system32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 3040	2348	d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe	91
PID 2348 wrote to memory of 3040	2348	d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe	91
PID 2348 wrote to memory of 3040	2348	d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe	91
PID 3040 wrote to memory of 2968	3040	system32.exe	95
PID 3040 wrote to memory of 2968	3040	system32.exe	95
PID 3040 wrote to memory of 2968	3040	system32.exe	95

C:\Users\Admin\AppData\Local\Temp\d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7ac4f4640433ea8dc43e60badc8632e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\system32.exe
  "C:\Users\Admin\AppData\Local\Temp\system32.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:3040
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system32.exe" "system32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2968

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\system32.exe

Filesize
186KB

MD5
d7ac4f4640433ea8dc43e60badc8632e

SHA1
2c4a9cb374a00a030499205d415df1b2ef5e7bdf

SHA256
279ee4c97a04e451b81b19335468440fc1c51bf36d13145f72673117383615b4

SHA512
e0fea29ab2cf2e32aa103c2f356a0796d800c2fa3cebfe601a15660b5492f5013523926246d72ff542f62e7dc98c0dc97b4be89ae221aeb691413671381ba6e6

Download Submit
memory/2348-3-0x0000000002360000-0x000000000236C000-memory.dmp

Filesize
48KB

Download
memory/2348-2-0x0000000004A10000-0x0000000004AAC000-memory.dmp

Filesize
624KB

Download
memory/2348-0-0x000000007537E000-0x000000007537F000-memory.dmp

Filesize
4KB

Download
memory/2348-4-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/2348-5-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/2348-1-0x0000000000070000-0x00000000000A6000-memory.dmp

Filesize
216KB

Download
memory/2348-19-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/3040-18-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/3040-20-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/3040-22-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/3040-23-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/3040-24-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/3040-25-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads