njrat | db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

General

Target

DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe
Size

43KB
MD5

6ef5711bfeba4212669fb6de0969b90f
SHA1

0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8
SHA256

db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301
SHA512

c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Score

10^/10

njrat zombie persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

zombie

C2

zazs.codns.com:8080

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

svchost.exeServer.exeServer.exe

pid process

1296 svchost.exe
636 Server.exe
1252 Server.exe

pid	process
1296	svchost.exe
636	Server.exe
1252	Server.exe

Drops startup file 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	svchost.exe

Loads dropped DLL 1 IoCs

Processes:

DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe

pid process

1272 DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe

pid	process
1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

972 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exesvchost.exe

pid process

1272 DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe
1296 svchost.exe

pid	process
972	schtasks.exe

pid	process
1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe
1296	svchost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe
Token: 33	1296	svchost.exe
Token: SeIncBasePriorityPrivilege	1296	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exesvchost.exetaskeng.exe

description	pid	process	target process
PID 1272 wrote to memory of 1296	1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe	svchost.exe
PID 1272 wrote to memory of 1296	1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe	svchost.exe
PID 1272 wrote to memory of 1296	1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe	svchost.exe
PID 1272 wrote to memory of 1296	1272	DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe	svchost.exe
PID 1296 wrote to memory of 972	1296	svchost.exe	schtasks.exe
PID 1296 wrote to memory of 972	1296	svchost.exe	schtasks.exe
PID 1296 wrote to memory of 972	1296	svchost.exe	schtasks.exe
PID 1296 wrote to memory of 972	1296	svchost.exe	schtasks.exe
PID 672 wrote to memory of 636	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 636	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 636	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 636	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 1252	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 1252	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 1252	672	taskeng.exe	Server.exe
PID 672 wrote to memory of 1252	672	taskeng.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe
"C:\Users\Admin\AppData\Local\Temp\DB0031942B3F6B1E7558E8754A068BE14F4FC11000F2E.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1296

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
3⤵
- Creates scheduled task(s)
PID:972

C:\Windows\system32\taskeng.exe
taskeng.exe {DA7FF44D-8D30-4A63-A843-497C481D9967} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:636

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
2⤵
- Executes dropped EXE
PID:1252

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

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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\Local\Temp\Server.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe
MD5
6ef5711bfeba4212669fb6de0969b90f

SHA1
0b8c52c9fe50ae78bee2b0edab9bbd2c7fea54a8

SHA256
db0031942b3f6b1e7558e8754a068be14f4fc11000f2efd1139b985c2438d301

SHA512
c9ccb59c3391059035a450a6d05820238d32e68d0958a68acc8cbb21dac41705da10a01efdeaa340621a18b4e0b9414cb974b8acef3fb76e567683a1cac118cb

Download Submit
memory/636-63-0x0000000000000000-mapping.dmp

Download
memory/636-66-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/972-61-0x0000000000000000-mapping.dmp

Download
memory/1252-67-0x0000000000000000-mapping.dmp

Download
memory/1252-70-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/1272-53-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/1272-54-0x0000000001D70000-0x0000000001D71000-memory.dmp

Filesize
4KB

Download
memory/1296-60-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1296-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads