njrat | 89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0

General

Target

89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
Size

722KB
MD5

c83f4dd575e51d30e49a7fe0b26a9d90
SHA1

3c6c4838564a3e104e325818a8d0b87d929293e5
SHA256

89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0
SHA512

d11cd73d30cb319eb06d2a0e22f074f2d66ab46901fbdb615a0d38428450af173d21df244b7807c5afff18ce5d4220cf59145f17d286701d43e09edd839db3ef
SSDEEP

12288:8hkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4a9Dc3sEot8:0RmJkcoQricOIQxiZY1ia9DDd8

Score

10^/10

njrat boubedz ©™discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BoubeDZ ©™

C2

cola.serveftp.com:1477

Mutex

2d2cafd3c74ce8475b27a793e8a79ea6

Attributes

reg_key
2d2cafd3c74ce8475b27a793e8a79ea6
splitter
|'|'|

Signatures

Njrat family
njrat
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
4828	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe

Executes dropped EXE 2 IoCs

pid	Process
4448	UpDet.exe
4704	UpDet.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpeDets = "C:\\Users\\Admin\\AppData\\Roaming\\UpeDet\\UpeDets.exe"	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4448 set thread context of 4704	4448	UpDet.exe	91

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 opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UpDet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UpDet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	UpDet.exe
Token: SeDebugPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe
Token: 33	4704	UpDet.exe
Token: SeIncBasePriorityPrivilege	4704	UpDet.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe

Suspicious use of SendNotifyMessage 10 IoCs

pid	Process
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4388 wrote to memory of 4448	4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe	88
PID 4388 wrote to memory of 4448	4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe	88
PID 4388 wrote to memory of 4448	4388	89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe	88
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4448 wrote to memory of 4704	4448	UpDet.exe	91
PID 4704 wrote to memory of 4828	4704	UpDet.exe	96
PID 4704 wrote to memory of 4828	4704	UpDet.exe	96
PID 4704 wrote to memory of 4828	4704	UpDet.exe	96

C:\Users\Admin\AppData\Local\Temp\89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe
"C:\Users\Admin\AppData\Local\Temp\89d477bb72cf113a4279f1a51dede1cfe34b8397ee7b7d985a86831e022662b0N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4388
- C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe
  "C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe" open
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe
    C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4704
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe" "UpDet.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4828

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\UpDet.exe.log

Filesize
224B

MD5
c19eb8c8e7a40e6b987f9d2ee952996e

SHA1
6fc3049855bc9100643e162511673c6df0f28bfb

SHA256
677e9e30350df17e2bc20fa9f7d730e9f7cc6e870d6520a345f5f7dc5b31f58a

SHA512
860713b4a787c2189ed12a47d4b68b60ac00c7a253cae52dd4eb9276dacafeae3a81906b6d0742c8ecfdfaa255777c445beb7c2a532f3c677a9903237ac97596

Download Submit
C:\Users\Admin\AppData\Roaming\UpeDet\UpDet.exe

Filesize
190KB

MD5
fa84adf104ddc7f719a458c3382fdb82

SHA1
df753d0ad4e565a8ebf95bd307dc3527f932b106

SHA256
be0881f6454f61588c00f712b68f565329a307342264d2672c8dcc5e761a2e4f

SHA512
c8e0543d95cd128c1d0be467cc5e3eb9e56f69f8b9325d9038b09d43297d8c5130a99ce9fb4b73c832bf3ba0a20f520f654ade0fb720e971942d8725034fc72e

Download Submit
memory/4448-18-0x0000000073942000-0x0000000073943000-memory.dmp

Filesize
4KB

Download
memory/4448-19-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4448-20-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4448-25-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4704-21-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4704-27-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4704-26-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download
memory/4704-28-0x0000000073940000-0x0000000073EF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads