njrat | 6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 06:08

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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

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 3 IoCs

pid	Process
2324	Client.exe
2748	Client.exe
2360	Client.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	New 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-1-5-21-2180306848-1874213455-4093218721-1000\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 4 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2792	schtasks.exe
2332	schtasks.exe
2604	schtasks.exe
2752	schtasks.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe
Token: 33	2324	Client.exe
Token: SeIncBasePriorityPrivilege	2324	Client.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2116	2412	New Client.exe	28
PID 2412 wrote to memory of 2116	2412	New Client.exe	28
PID 2412 wrote to memory of 2116	2412	New Client.exe	28
PID 2412 wrote to memory of 2116	2412	New Client.exe	28
PID 2412 wrote to memory of 2332	2412	New Client.exe	30
PID 2412 wrote to memory of 2332	2412	New Client.exe	30
PID 2412 wrote to memory of 2332	2412	New Client.exe	30
PID 2412 wrote to memory of 2332	2412	New Client.exe	30
PID 2412 wrote to memory of 2324	2412	New Client.exe	32
PID 2412 wrote to memory of 2324	2412	New Client.exe	32
PID 2412 wrote to memory of 2324	2412	New Client.exe	32
PID 2412 wrote to memory of 2324	2412	New Client.exe	32
PID 2324 wrote to memory of 2760	2324	Client.exe	33
PID 2324 wrote to memory of 2760	2324	Client.exe	33
PID 2324 wrote to memory of 2760	2324	Client.exe	33
PID 2324 wrote to memory of 2760	2324	Client.exe	33
PID 2324 wrote to memory of 2604	2324	Client.exe	35
PID 2324 wrote to memory of 2604	2324	Client.exe	35
PID 2324 wrote to memory of 2604	2324	Client.exe	35
PID 2324 wrote to memory of 2604	2324	Client.exe	35
PID 1944 wrote to memory of 2748	1944	taskeng.exe	38
PID 1944 wrote to memory of 2748	1944	taskeng.exe	38
PID 1944 wrote to memory of 2748	1944	taskeng.exe	38
PID 1944 wrote to memory of 2748	1944	taskeng.exe	38
PID 2748 wrote to memory of 2504	2748	Client.exe	39
PID 2748 wrote to memory of 2504	2748	Client.exe	39
PID 2748 wrote to memory of 2504	2748	Client.exe	39
PID 2748 wrote to memory of 2504	2748	Client.exe	39
PID 2748 wrote to memory of 2752	2748	Client.exe	41
PID 2748 wrote to memory of 2752	2748	Client.exe	41
PID 2748 wrote to memory of 2752	2748	Client.exe	41
PID 2748 wrote to memory of 2752	2748	Client.exe	41
PID 1944 wrote to memory of 2360	1944	taskeng.exe	45
PID 1944 wrote to memory of 2360	1944	taskeng.exe	45
PID 1944 wrote to memory of 2360	1944	taskeng.exe	45
PID 1944 wrote to memory of 2360	1944	taskeng.exe	45
PID 2360 wrote to memory of 2856	2360	Client.exe	46
PID 2360 wrote to memory of 2856	2360	Client.exe	46
PID 2360 wrote to memory of 2856	2360	Client.exe	46
PID 2360 wrote to memory of 2856	2360	Client.exe	46
PID 2360 wrote to memory of 2792	2360	Client.exe	48
PID 2360 wrote to memory of 2792	2360	Client.exe	48
PID 2360 wrote to memory of 2792	2360	Client.exe	48
PID 2360 wrote to memory of 2792	2360	Client.exe	48

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /Delete /tn NYAN /F
  2⤵
  PID:2116
- 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:2332
- 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:2324
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Delete /tn NYAN /F
    3⤵
    PID:2760
- - 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:2604

C:\Windows\system32\taskeng.exe
taskeng.exe {F37161EE-B6BA-40DF-BFE6-E372EADB2E76} S-1-5-21-2180306848-1874213455-4093218721-1000:XEBBURHY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  C:\Users\Admin\AppData\Local\Temp\Client.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Delete /tn NYAN /F
    3⤵
    PID:2504
- - 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:2752
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  C:\Users\Admin\AppData\Local\Temp\Client.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Delete /tn NYAN /F
    3⤵
    PID:2856
- - 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:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

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

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

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

Filesize
164KB

MD5
f08772b3bdde7388a4c43b7e41da5684

SHA1
439cd4653ddbdf9d7433a165f5cd4eb6afe82bcb

SHA256
6e0125f382bf828fbff9e7467a227c0584385395c2cb20a06a4c045f9ac6a43d

SHA512
7776c2894397fae7a1934af7d87513d5e25114a10fd9cbb3fbbcc8fb1512dc68cad8b066dbba7c9462ded0d9c5c70f32d9fca42b18a72a0a2a67fd04755945a3

Download Submit
memory/2324-14-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-12-0x0000000000080000-0x00000000000C0000-memory.dmp

Filesize
256KB

Download
memory/2324-13-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-11-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-23-0x0000000000660000-0x00000000006A0000-memory.dmp

Filesize
256KB

Download
memory/2360-25-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-22-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-24-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-0-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-2-0x0000000002000000-0x0000000002040000-memory.dmp

Filesize
256KB

Download
memory/2412-10-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2412-1-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-17-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-20-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-19-0x0000000000C50000-0x0000000000C90000-memory.dmp

Filesize
256KB

Download
memory/2748-18-0x0000000074630000-0x0000000074BDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads