njrat | be4b529ab79a6cd79946fdf53e495acb03e1929f07d6fd3f5ff91d2d4e03ffd8

General

Target

c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe
Size

119KB
MD5

c16c138db72790c64dad77b1ef3b1341
SHA1

8ca360700869fca0cf05e076b81ca7b32c301541
SHA256

be4b529ab79a6cd79946fdf53e495acb03e1929f07d6fd3f5ff91d2d4e03ffd8
SHA512

1af56e6fae714923e393641a1a8608535eacaa7de5e186ca2af96110aba105fc806bd10d81a26afcb4a38a51acc415924aeca5d54f1dde0f7e9263ed85a605fe
SSDEEP

3072:p16XRzvqyJ8oFs9/MQgKg0UGiGrhg12Q:PgzO

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

kali111.ddns.net:5555

Mutex

1e682996562289015619f35a0606076d

Attributes

reg_key
1e682996562289015619f35a0606076d
splitter
|'|'|

Signatures

Njrat family
njrat
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
2044	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2208	server.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1e682996562289015619f35a0606076d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1e682996562289015619f35a0606076d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 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

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	c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe
Token: 33	2208	server.exe
Token: SeIncBasePriorityPrivilege	2208	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 2208	3248	c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe	86
PID 3248 wrote to memory of 2208	3248	c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe	86
PID 3248 wrote to memory of 2208	3248	c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe	86
PID 2208 wrote to memory of 2044	2208	server.exe	95
PID 2208 wrote to memory of 2044	2208	server.exe	95
PID 2208 wrote to memory of 2044	2208	server.exe	95

C:\Users\Admin\AppData\Local\Temp\c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c16c138db72790c64dad77b1ef3b1341_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2044

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\server.exe

Filesize
119KB

MD5
c16c138db72790c64dad77b1ef3b1341

SHA1
8ca360700869fca0cf05e076b81ca7b32c301541

SHA256
be4b529ab79a6cd79946fdf53e495acb03e1929f07d6fd3f5ff91d2d4e03ffd8

SHA512
1af56e6fae714923e393641a1a8608535eacaa7de5e186ca2af96110aba105fc806bd10d81a26afcb4a38a51acc415924aeca5d54f1dde0f7e9263ed85a605fe

Download Submit
memory/2208-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2208-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2208-21-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/2208-22-0x0000000005380000-0x000000000538A000-memory.dmp

Filesize
40KB

Download
memory/2208-23-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2208-24-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3248-2-0x0000000005450000-0x00000000054EC000-memory.dmp

Filesize
624KB

Download
memory/3248-3-0x00000000053C0000-0x00000000053CC000-memory.dmp

Filesize
48KB

Download
memory/3248-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3248-5-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/3248-1-0x0000000000AF0000-0x0000000000B16000-memory.dmp

Filesize
152KB

Download
memory/3248-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3248-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads