njrat | 5fceb8a7c93f908e2233c6442e1a8f46f1b027c5730a19228009ded2e3a91db0

General

Target

cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe
Size

410KB
MD5

cb86d48add453c7e44dad0251f4871f4
SHA1

2a73389bcf7cd067ddaf779d0c4a725ddd124587
SHA256

5fceb8a7c93f908e2233c6442e1a8f46f1b027c5730a19228009ded2e3a91db0
SHA512

9734434c09ebf6dad40ff1132ad0b7363df470a4a4f91486b8467790b4b751eaf5ba97d3a98d0b18d427de9af2b4a7f9e43acb10f076df9e80b708f4371cb9ef
SSDEEP

6144:vXiSt30YkYp58nrzLUbeqYzzBYNYH3VQA5bUHUqVOiQe//o6x6v3xq2rj:/iY30YTz2LacLlhaUMpwN1rj

Score

10^/10

njrat evasion persistence 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
2412	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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	svchost.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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\82b7a32463b8663d821334e42891bd45 = "\"C:\\ProgramData\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\82b7a32463b8663d821334e42891bd45 = "\"C:\\ProgramData\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe
Token: 33	2176	svchost.exe
Token: SeIncBasePriorityPrivilege	2176	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2176	1852	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe	105
PID 1852 wrote to memory of 2176	1852	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe	105
PID 1852 wrote to memory of 2176	1852	cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe	105
PID 2176 wrote to memory of 2412	2176	svchost.exe	108
PID 2176 wrote to memory of 2412	2176	svchost.exe	108
PID 2176 wrote to memory of 2412	2176	svchost.exe	108

C:\Users\Admin\AppData\Local\Temp\cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cb86d48add453c7e44dad0251f4871f4_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1852
- C:\ProgramData\svchost.exe
  "C:\ProgramData\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2412

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 --no-appcompat-clear --mojo-platform-channel-handle=4248 --field-trial-handle=2224,i,17688331074622862378,73816879873678745,262144 --variations-seed-version /prefetch:8
1⤵
PID:2072

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

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

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:\ProgramData\svchost.exe

Filesize
410KB

MD5
cb86d48add453c7e44dad0251f4871f4

SHA1
2a73389bcf7cd067ddaf779d0c4a725ddd124587

SHA256
5fceb8a7c93f908e2233c6442e1a8f46f1b027c5730a19228009ded2e3a91db0

SHA512
9734434c09ebf6dad40ff1132ad0b7363df470a4a4f91486b8467790b4b751eaf5ba97d3a98d0b18d427de9af2b4a7f9e43acb10f076df9e80b708f4371cb9ef

Download Submit
memory/1852-0-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/1852-1-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/1852-2-0x00000000009F0000-0x0000000000A00000-memory.dmp

Filesize
64KB

Download
memory/1852-21-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/2176-17-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/2176-20-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download
memory/2176-22-0x0000000074D20000-0x00000000752D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads