njrat | 7cfef8383547624d13f707e8e2c8c14bd245c2c94d7c88056a275c172e69e622

General

Target

fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe
Size

284KB
MD5

fe0c20fddcd97e561780c05bcd701714
SHA1

551e0118edc1ca35e74e600e6778ef05693032d0
SHA256

7cfef8383547624d13f707e8e2c8c14bd245c2c94d7c88056a275c172e69e622
SHA512

44c77ad1d05adbcd3dad73fd590589ad4898dc8a05a5fbe2c914e48cfb1b252625253987cd44db80e24aa794b8f5622a41bd5b2db28de415a389ee27902d096e
SSDEEP

3072:/P25UIr0WJBlMA+9L+7wSmbO7NiPjxJPx2U2sqUBk4J8ZxdEEIOn6M74oA0:H17ivMA+9LSwuNMVhx2U2sTSHNNR4n

Score

10^/10

njrat تفرج يا عراق evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

تفرج يا عراق

C2

yahoo.dynns.com:180

Mutex

931ab9d1728b00028b347e4835a6fd55

Attributes

reg_key
931ab9d1728b00028b347e4835a6fd55
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
1000	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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\931ab9d1728b00028b347e4835a6fd55.exe	yoahoo.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\931ab9d1728b00028b347e4835a6fd55.exe	yoahoo.exe

Executes dropped EXE 1 IoCs

pid	Process
5116	yoahoo.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\931ab9d1728b00028b347e4835a6fd55 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\yoahoo.exe\" .."	yoahoo.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\931ab9d1728b00028b347e4835a6fd55 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\yoahoo.exe\" .."	yoahoo.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe
5116	yoahoo.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe
Token: 33	2300	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2300	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe
Token: SeDebugPrivilege	5116	yoahoo.exe
Token: 33	5116	yoahoo.exe
Token: SeIncBasePriorityPrivilege	5116	yoahoo.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 5116	2300	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe	85
PID 2300 wrote to memory of 5116	2300	fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe	85
PID 5116 wrote to memory of 1000	5116	yoahoo.exe	88
PID 5116 wrote to memory of 1000	5116	yoahoo.exe	88

C:\Users\Admin\AppData\Local\Temp\fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe0c20fddcd97e561780c05bcd701714_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\yoahoo.exe
  "C:\Users\Admin\AppData\Local\Temp\yoahoo.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5116
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\yoahoo.exe" "yoahoo.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1000

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\yoahoo.exe

Filesize
284KB

MD5
fe0c20fddcd97e561780c05bcd701714

SHA1
551e0118edc1ca35e74e600e6778ef05693032d0

SHA256
7cfef8383547624d13f707e8e2c8c14bd245c2c94d7c88056a275c172e69e622

SHA512
44c77ad1d05adbcd3dad73fd590589ad4898dc8a05a5fbe2c914e48cfb1b252625253987cd44db80e24aa794b8f5622a41bd5b2db28de415a389ee27902d096e

Download Submit
memory/2300-21-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/2300-2-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/2300-3-0x000000001B380000-0x000000001B426000-memory.dmp

Filesize
664KB

Download
memory/2300-4-0x000000001B900000-0x000000001BDCE000-memory.dmp

Filesize
4.8MB

Download
memory/2300-5-0x000000001BE70000-0x000000001BF0C000-memory.dmp

Filesize
624KB

Download
memory/2300-6-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/2300-7-0x0000000000A20000-0x0000000000A2E000-memory.dmp

Filesize
56KB

Download
memory/2300-0-0x00007FF81A355000-0x00007FF81A356000-memory.dmp

Filesize
4KB

Download
memory/2300-1-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-30-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-32-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-23-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-24-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-26-0x0000000001240000-0x0000000001248000-memory.dmp

Filesize
32KB

Download
memory/5116-27-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-28-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-29-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-22-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-31-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download
memory/5116-20-0x00007FF81A0A0000-0x00007FF81AA41000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads