njrat | 4052724dbeda17be2d73d141bfed3f441a966715724ae2b3990ee4caa321b4a9

Analysis

max time kernel
191s
max time network
213s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2022, 18:39

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General

Target

fifa15-www.skidrowcrack.com.exe
Size

188KB
MD5

1b23335f81fe75dd4a8e4a0d990bcfb8
SHA1

1742af6fdad2456ebc8311373e3c752554624262
SHA256

519f9a4d2e568f2b8c1a050ce4eb008446c7fe4278f774691815fb7a1a01744c
SHA512

95265979753cec6daf65e7c163a1badbb3d0d1b31645f848e962af1a59d8fb01f526670412b9f984dfd7947a16fabd0ebbaf9373620e332c3282a0e9aa7a8136
SSDEEP

3072:uUirla4FwA8eobw9XyPekpL6qwFqkBNjyERBdxD3I:uUipabAd9XMtxwFqkLjM

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
736	svchost.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4640	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-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	fifa15-www.skidrowcrack.com.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\355934e4a756587e96c83b0c9067cc65.exe	svchost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\355934e4a756587e96c83b0c9067cc65.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\355934e4a756587e96c83b0c9067cc65 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\355934e4a756587e96c83b0c9067cc65 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	736	svchost.exe
Token: 33	736	svchost.exe
Token: SeIncBasePriorityPrivilege	736	svchost.exe
Token: 33	736	svchost.exe
Token: SeIncBasePriorityPrivilege	736	svchost.exe
Token: 33	736	svchost.exe
Token: SeIncBasePriorityPrivilege	736	svchost.exe
Token: 33	736	svchost.exe
Token: SeIncBasePriorityPrivilege	736	svchost.exe
Token: 33	736	svchost.exe
Token: SeIncBasePriorityPrivilege	736	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 736	2776	fifa15-www.skidrowcrack.com.exe	83
PID 2776 wrote to memory of 736	2776	fifa15-www.skidrowcrack.com.exe	83
PID 736 wrote to memory of 4640	736	svchost.exe	84
PID 736 wrote to memory of 4640	736	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\fifa15-www.skidrowcrack.com.exe
"C:\Users\Admin\AppData\Local\Temp\fifa15-www.skidrowcrack.com.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:736
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
188KB

MD5
1b23335f81fe75dd4a8e4a0d990bcfb8

SHA1
1742af6fdad2456ebc8311373e3c752554624262

SHA256
519f9a4d2e568f2b8c1a050ce4eb008446c7fe4278f774691815fb7a1a01744c

SHA512
95265979753cec6daf65e7c163a1badbb3d0d1b31645f848e962af1a59d8fb01f526670412b9f984dfd7947a16fabd0ebbaf9373620e332c3282a0e9aa7a8136

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
188KB

MD5
1b23335f81fe75dd4a8e4a0d990bcfb8

SHA1
1742af6fdad2456ebc8311373e3c752554624262

SHA256
519f9a4d2e568f2b8c1a050ce4eb008446c7fe4278f774691815fb7a1a01744c

SHA512
95265979753cec6daf65e7c163a1badbb3d0d1b31645f848e962af1a59d8fb01f526670412b9f984dfd7947a16fabd0ebbaf9373620e332c3282a0e9aa7a8136

Download Submit
memory/736-136-0x00007FFDCA080000-0x00007FFDCAAB6000-memory.dmp

Filesize
10.2MB

Download
memory/2776-132-0x00007FFDCA080000-0x00007FFDCAAB6000-memory.dmp

Filesize
10.2MB

Download