njrat | 8c6ca1c8128480b39bed5d584b13880534bc0155cf05df5ab5ebd1dc63f53207

General

Target

Q4EtLThkYlEkFvu.exe
Size

474KB
MD5

18156edcb0549e6e856811b5a57b951d
SHA1

c9c773a0157562c8fa800aad23c670486fd63fbd
SHA256

8c6ca1c8128480b39bed5d584b13880534bc0155cf05df5ab5ebd1dc63f53207
SHA512

c881d069a6403a22b02ee71dd062fdb6718f23c6c1de859d142dcd9e4c642555c3c5f72bc6b0aa1bab3ff6539a7c59e3415bca0b8f636cfcc5b9dbd5afb39775

Score

10^/10

njrat order1 persistence trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

order1

C2

45.137.22.146:5553

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

Payload.exePayload.exe

pid process

1756 Payload.exe
1944 Payload.exe

pid	process
1756	Payload.exe
1944	Payload.exe

Drops startup file 2 IoCs

Processes:

Q4EtLThkYlEkFvu.exePayload.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Q4EtLThkYlEkFvu.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Q4EtLThkYlEkFvu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Windows\\Payload.exe"	Q4EtLThkYlEkFvu.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Q4EtLThkYlEkFvu.exePayload.exe

description	pid	process	target process
PID 1704 set thread context of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1756 set thread context of 1944	1756	Payload.exe	Payload.exe

Drops file in Windows directory 2 IoCs

Processes:

Q4EtLThkYlEkFvu.exeattrib.exe

description ioc process

File created C:\Windows\Payload.exe Q4EtLThkYlEkFvu.exe
File opened for modification C:\Windows\Payload.exe attrib.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1940 schtasks.exe
916 schtasks.exe

description	ioc	process
File created	C:\Windows\Payload.exe	Q4EtLThkYlEkFvu.exe
File opened for modification	C:\Windows\Payload.exe	attrib.exe

pid	process
1940	schtasks.exe
916	schtasks.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

Processes:

Payload.exe

description	pid	process
Token: SeDebugPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe
Token: 33	1944	Payload.exe
Token: SeIncBasePriorityPrivilege	1944	Payload.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

Q4EtLThkYlEkFvu.exeQ4EtLThkYlEkFvu.exePayload.exe

description	pid	process	target process
PID 1704 wrote to memory of 916	1704	Q4EtLThkYlEkFvu.exe	schtasks.exe
PID 1704 wrote to memory of 916	1704	Q4EtLThkYlEkFvu.exe	schtasks.exe
PID 1704 wrote to memory of 916	1704	Q4EtLThkYlEkFvu.exe	schtasks.exe
PID 1704 wrote to memory of 916	1704	Q4EtLThkYlEkFvu.exe	schtasks.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1704 wrote to memory of 1204	1704	Q4EtLThkYlEkFvu.exe	Q4EtLThkYlEkFvu.exe
PID 1204 wrote to memory of 1756	1204	Q4EtLThkYlEkFvu.exe	Payload.exe
PID 1204 wrote to memory of 1756	1204	Q4EtLThkYlEkFvu.exe	Payload.exe
PID 1204 wrote to memory of 1756	1204	Q4EtLThkYlEkFvu.exe	Payload.exe
PID 1204 wrote to memory of 1756	1204	Q4EtLThkYlEkFvu.exe	Payload.exe
PID 1204 wrote to memory of 1216	1204	Q4EtLThkYlEkFvu.exe	attrib.exe
PID 1204 wrote to memory of 1216	1204	Q4EtLThkYlEkFvu.exe	attrib.exe
PID 1204 wrote to memory of 1216	1204	Q4EtLThkYlEkFvu.exe	attrib.exe
PID 1204 wrote to memory of 1216	1204	Q4EtLThkYlEkFvu.exe	attrib.exe
PID 1756 wrote to memory of 1940	1756	Payload.exe	schtasks.exe
PID 1756 wrote to memory of 1940	1756	Payload.exe	schtasks.exe
PID 1756 wrote to memory of 1940	1756	Payload.exe	schtasks.exe
PID 1756 wrote to memory of 1940	1756	Payload.exe	schtasks.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe
PID 1756 wrote to memory of 1944	1756	Payload.exe	Payload.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1216 attrib.exe

pid	process
1216	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Q4EtLThkYlEkFvu.exe
"C:\Users\Admin\AppData\Local\Temp\Q4EtLThkYlEkFvu.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yqbepZrEYRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8372.tmp"
2⤵
- Creates scheduled task(s)
PID:916

C:\Users\Admin\AppData\Local\Temp\Q4EtLThkYlEkFvu.exe
"C:\Users\Admin\AppData\Local\Temp\Q4EtLThkYlEkFvu.exe"
2⤵
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\Payload.exe
"C:\Windows\Payload.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yqbepZrEYRD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp250E.tmp"
4⤵
- Creates scheduled task(s)
PID:1940

C:\Windows\Payload.exe
"C:\Windows\Payload.exe"
4⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:1944

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Windows\Payload.exe"
3⤵
- Drops file in Windows directory
- Views/modifies file attributes
PID:1216

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Hidden Files and Directories

1

T1158

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
MD5
b9622246a2ed61171999ee678f6cc470

SHA1
947ec795fbe97ce8c9b4622b456353716faceefa

SHA256
bb8e11992d8f89c50638b95705372a1d5d136784844ccdb98e44ceb79af96056

SHA512
102f07473a2ee840f197e8279042b7e5f591d85d238d8ed8a11309f9ed3a6b7f54771a9d163b326ac74f7ac7f411d1114f42e938599ce4d11caaf3cd4b881d1e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
MD5
f6cb7b462491f3bd6758b9848a25fa09

SHA1
13875fca8b81fcc40cff20a9337d04d704adbaac

SHA256
8e1c016974f9f54989bacb9ee970508471d3dec83d0938a41c718bee667077df

SHA512
3d86c05351743f0ba38e843f4022e2931bede4a273dfd1d257eff420d1329d998f6619209023033d8185743249f0bfd7ff50d0e5cd6bc2b065698aca303727f9

Download Submit
C:\Windows\Payload.exe
MD5
18156edcb0549e6e856811b5a57b951d

SHA1
c9c773a0157562c8fa800aad23c670486fd63fbd

SHA256
8c6ca1c8128480b39bed5d584b13880534bc0155cf05df5ab5ebd1dc63f53207

SHA512
c881d069a6403a22b02ee71dd062fdb6718f23c6c1de859d142dcd9e4c642555c3c5f72bc6b0aa1bab3ff6539a7c59e3415bca0b8f636cfcc5b9dbd5afb39775

Download Submit
C:\Windows\Payload.exe
MD5
18156edcb0549e6e856811b5a57b951d

SHA1
c9c773a0157562c8fa800aad23c670486fd63fbd

SHA256
8c6ca1c8128480b39bed5d584b13880534bc0155cf05df5ab5ebd1dc63f53207

SHA512
c881d069a6403a22b02ee71dd062fdb6718f23c6c1de859d142dcd9e4c642555c3c5f72bc6b0aa1bab3ff6539a7c59e3415bca0b8f636cfcc5b9dbd5afb39775

Download Submit
C:\Windows\Payload.exe
MD5
18156edcb0549e6e856811b5a57b951d

SHA1
c9c773a0157562c8fa800aad23c670486fd63fbd

SHA256
8c6ca1c8128480b39bed5d584b13880534bc0155cf05df5ab5ebd1dc63f53207

SHA512
c881d069a6403a22b02ee71dd062fdb6718f23c6c1de859d142dcd9e4c642555c3c5f72bc6b0aa1bab3ff6539a7c59e3415bca0b8f636cfcc5b9dbd5afb39775

Download Submit
memory/916-59-0x0000000000000000-mapping.dmp

Download
memory/1204-68-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download
memory/1204-60-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-63-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-65-0x000000000040836E-mapping.dmp

Download
memory/1204-64-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-66-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-62-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1204-61-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1216-74-0x0000000000000000-mapping.dmp

Download
memory/1704-54-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/1704-58-0x0000000004680000-0x00000000046AC000-memory.dmp

Filesize
176KB

Download
memory/1704-57-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/1704-56-0x0000000000310000-0x0000000000317000-memory.dmp

Filesize
28KB

Download
memory/1756-69-0x0000000000000000-mapping.dmp

Download
memory/1756-72-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/1756-76-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/1940-78-0x0000000000000000-mapping.dmp

Download
memory/1944-84-0x000000000040836E-mapping.dmp

Download
memory/1944-91-0x0000000004F40000-0x0000000004F41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads