njrat | 851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409

General

Target

fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe
Size

154KB
MD5

fc3e2a07c5d9951074a2808cbbc55729
SHA1

bafd6ec3da9d4942eafde39c0020cebc997c5daf
SHA256

851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409
SHA512

5c1029c0332aaedf4b87e6f6711206b995b42a6c509e9d41e0dffa69c4793b1a2a2c89a710955a11c160f30f32bcd2a4a7bfd01f4fc101033baa835c2badbd13
SSDEEP

3072:ax+QMgSXupDSbLiAVydncx9vd00zyw1XXsRBYwbH26:mTSeRSX20vzyYXsh

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ubuy.ddns.net:9999

Mutex

7714e5837f417a6a5a47f5d6edec306d

Attributes

reg_key
7714e5837f417a6a5a47f5d6edec306d
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
4940	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	fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe	IDM.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7714e5837f417a6a5a47f5d6edec306d.exe	IDM.exe

Executes dropped EXE 1 IoCs

pid	Process
5212	IDM.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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe
Token: 33	5212	IDM.exe
Token: SeIncBasePriorityPrivilege	5212	IDM.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5560 wrote to memory of 5212	5560	fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe	99
PID 5560 wrote to memory of 5212	5560	fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe	99
PID 5212 wrote to memory of 4940	5212	IDM.exe	100
PID 5212 wrote to memory of 4940	5212	IDM.exe	100

C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc3e2a07c5d9951074a2808cbbc55729_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5560
- C:\Users\Admin\AppData\Roaming\IDM.exe
  "C:\Users\Admin\AppData\Roaming\IDM.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5212
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\IDM.exe" "IDM.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4940

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=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
1⤵
PID:5356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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\Roaming\IDM.exe

Filesize
154KB

MD5
fc3e2a07c5d9951074a2808cbbc55729

SHA1
bafd6ec3da9d4942eafde39c0020cebc997c5daf

SHA256
851f57aa0cd69a9eaec76d14bffaa4dc08caacb02beffb0ed1d04869d3fd1409

SHA512
5c1029c0332aaedf4b87e6f6711206b995b42a6c509e9d41e0dffa69c4793b1a2a2c89a710955a11c160f30f32bcd2a4a7bfd01f4fc101033baa835c2badbd13

Download Submit
memory/5212-29-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5212-28-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5212-27-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5212-24-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5212-26-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-4-0x000000001BE80000-0x000000001BF1C000-memory.dmp

Filesize
624KB

Download
memory/5560-7-0x000000001BFB0000-0x000000001BFFC000-memory.dmp

Filesize
304KB

Download
memory/5560-8-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-9-0x00007FF9CE255000-0x00007FF9CE256000-memory.dmp

Filesize
4KB

Download
memory/5560-10-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-11-0x000000001C500000-0x000000001C50C000-memory.dmp

Filesize
48KB

Download
memory/5560-6-0x0000000000CE0000-0x0000000000CE8000-memory.dmp

Filesize
32KB

Download
memory/5560-5-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-0-0x00007FF9CE255000-0x00007FF9CE256000-memory.dmp

Filesize
4KB

Download
memory/5560-25-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-3-0x000000001B910000-0x000000001BDDE000-memory.dmp

Filesize
4.8MB

Download
memory/5560-2-0x00007FF9CDFA0000-0x00007FF9CE941000-memory.dmp

Filesize
9.6MB

Download
memory/5560-1-0x000000001B390000-0x000000001B436000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads