njrat | 6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

General

Target

New Client.exe
Size

164KB
MD5

f08772b3bdde7388a4c43b7e41da5684
SHA1

439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb
SHA256

6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d
SHA512

7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3
SSDEEP

3072:0ibn/zRv40/9nUx0EpuCRwzzbEcr5+cbet7lo9Wagc:0i3Ux0EjGz4q5jbKz5

Score

10^/10

njrat persistence trojan

Malware Config

Signatures

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

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-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation	New Client.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
860	Client.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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Client.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe\" .."	Client.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2736	schtasks.exe
4492	schtasks.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe
Token: 33	860	Client.exe
Token: SeIncBasePriorityPrivilege	860	Client.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4172	636	New Client.exe	87
PID 636 wrote to memory of 4172	636	New Client.exe	87
PID 636 wrote to memory of 4172	636	New Client.exe	87
PID 636 wrote to memory of 2736	636	New Client.exe	90
PID 636 wrote to memory of 2736	636	New Client.exe	90
PID 636 wrote to memory of 2736	636	New Client.exe	90
PID 636 wrote to memory of 860	636	New Client.exe	98
PID 636 wrote to memory of 860	636	New Client.exe	98
PID 636 wrote to memory of 860	636	New Client.exe	98
PID 860 wrote to memory of 2352	860	Client.exe	101
PID 860 wrote to memory of 2352	860	Client.exe	101
PID 860 wrote to memory of 2352	860	Client.exe	101
PID 860 wrote to memory of 4492	860	Client.exe	103
PID 860 wrote to memory of 4492	860	Client.exe	103
PID 860 wrote to memory of 4492	860	Client.exe	103

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:636
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /Delete /tn NYAN /F
  2⤵
  PID:4172
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\New Client.exe" /sc minute /mo 1
  2⤵
  - Creates scheduled task(s)
  PID:2736
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\Client.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Delete /tn NYAN /F
    3⤵
    PID:2352
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn NYAN /tr "C:\Users\Admin\AppData\Local\Temp\Client.exe" /sc minute /mo 1
    3⤵
    - Creates scheduled task(s)
    PID:4492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

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:\Users\Admin\AppData\Local\Temp\Client.exe

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

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

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

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

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

Download Submit
memory/636-3-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/636-4-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/636-6-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/636-0-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/636-2-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/636-1-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/636-15-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/860-16-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/860-17-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

Filesize
64KB

Download
memory/860-18-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/860-19-0x00000000753D0000-0x0000000075981000-memory.dmp

Filesize
5.7MB

Download
memory/860-20-0x0000000000BC0000-0x0000000000BD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads