njrat | e9863244d1be98ec45377430e8d9f056e369677bd67649d59de9c9d1a669743f

General

Target

8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe
Size

23KB
MD5

8f713ec1e198c1f3146670988a3143c9
SHA1

4a1cf100216e3a677b4e06e011adf1300213286b
SHA256

e9863244d1be98ec45377430e8d9f056e369677bd67649d59de9c9d1a669743f
SHA512

7f451161eeb7c0c5f61d2bd82bc026811c95030a022c3fbfa884f86e00332aee2fbc82a23ca398eb57a58311a55932ab32b98460fa2b806f93699763d1e5e929
SSDEEP

384:S3gexUw/L+JrgUon5b9uSDMwT9Pfg6NgrWoBYi51mRvR6JZlbw8hqIusZzZcm:EIAKG91DP1hPRpcnug

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
3044	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c6dfbab76abb2fb1938d3e35b1bb6f3a.exe	Spoofer.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c6dfbab76abb2fb1938d3e35b1bb6f3a.exe	Spoofer.exe

Executes dropped EXE 1 IoCs

pid	Process
1148	Spoofer.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-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c6dfbab76abb2fb1938d3e35b1bb6f3a = "\"C:\\Users\\Admin\\Spoofer.exe\" .."	Spoofer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c6dfbab76abb2fb1938d3e35b1bb6f3a = "\"C:\\Users\\Admin\\Spoofer.exe\" .."	Spoofer.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe
Token: 33	1148	Spoofer.exe
Token: SeIncBasePriorityPrivilege	1148	Spoofer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 1148	212	8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe	91
PID 212 wrote to memory of 1148	212	8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe	91
PID 212 wrote to memory of 1148	212	8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe	91
PID 1148 wrote to memory of 3044	1148	Spoofer.exe	94
PID 1148 wrote to memory of 3044	1148	Spoofer.exe	94
PID 1148 wrote to memory of 3044	1148	Spoofer.exe	94

C:\Users\Admin\AppData\Local\Temp\8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8f713ec1e198c1f3146670988a3143c9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\Spoofer.exe
  "C:\Users\Admin\Spoofer.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1148
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\Spoofer.exe" "Spoofer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3044

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

Replay Monitor

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Downloads

C:\Users\Admin\Spoofer.exe

Filesize
23KB

MD5
8f713ec1e198c1f3146670988a3143c9

SHA1
4a1cf100216e3a677b4e06e011adf1300213286b

SHA256
e9863244d1be98ec45377430e8d9f056e369677bd67649d59de9c9d1a669743f

SHA512
7f451161eeb7c0c5f61d2bd82bc026811c95030a022c3fbfa884f86e00332aee2fbc82a23ca398eb57a58311a55932ab32b98460fa2b806f93699763d1e5e929

Download Submit
memory/212-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

Filesize
4KB

Download
memory/212-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/212-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/212-22-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-21-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download
memory/1148-24-0x0000000074D30000-0x00000000752E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads