njrat | b4635613621b30a0538e4f5a7b3f20f1a903692890e050904ae35056bc6b0bc9

General

Target
684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe
Size 23KB
Sample240530-g9pycaad46
SHA256 b4635613621b30a0538e4f5a7b3f20f1a903692890e050904ae35056bc6b0bc9
MD5 684f07738cd92c229c99febf16dff6a0
SHA1 7c2266ccde9cf8f78b51007ab357342d38f5f9c3
SHA512 90fad8c142fdeeb2e8a6e9b2cfcba98eaa6563bb346c6c8f4c0060c849b7ce88dc64fd4aed9cd9a7e2e48cb13fe9910cc0ef7d757a114892d3715521aa1e28da
SSDEEP 384:s8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZnh:SY+sNKqNHnSdRpcnuu
MD5 SHA1 SHA512 SSDEEP

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
4756	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	684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

pid	Process
216	server.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\9b85a1ee037a6bbe94630803d12e0f6d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9b85a1ee037a6bbe94630803d12e0f6d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 216	4900	684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe	93
PID 4900 wrote to memory of 216	4900	684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe	93
PID 4900 wrote to memory of 216	4900	684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe	93
PID 216 wrote to memory of 4756	216	server.exe	97
PID 216 wrote to memory of 4756	216	server.exe	97
PID 216 wrote to memory of 4756	216	server.exe	97

C:\Users\Admin\AppData\Local\Temp\684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\684f07738cd92c229c99febf16dff6a0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:216
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4756

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

server.exe

Path C:\Users\Admin\AppData\Local\Temp\server.exe
Size 23KB
SHA256 b4635613621b30a0538e4f5a7b3f20f1a903692890e050904ae35056bc6b0bc9
MD5 684f07738cd92c229c99febf16dff6a0
SHA1 7c2266ccde9cf8f78b51007ab357342d38f5f9c3
SHA512 90fad8c142fdeeb2e8a6e9b2cfcba98eaa6563bb346c6c8f4c0060c849b7ce88dc64fd4aed9cd9a7e2e48cb13fe9910cc0ef7d757a114892d3715521aa1e28da
SSDEEP 384:s8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZnh:SY+sNKqNHnSdRpcnuu
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/216-13-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

memory/216-14-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

memory/216-15-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

memory/4900-0-0x00000000745F2000-0x00000000745F3000-memory.dmp

Download

memory/4900-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

memory/4900-2-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

memory/4900-12-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads