njrat | 38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

General

Target

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
Size

212KB
MD5

b6fb59b629ff7361ca59bc57d44b3ffe
SHA1

24ffe3043b12a6db42cae02a6f46e213e3012fce
SHA256

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5
SHA512

a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Score

10^/10

njrat money$bea$t evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Money$Bea$t

C2

mailsdc61.ga:5490

Mutex

efc8d3c97ca9383f77f8c3938dbe8fdd

Attributes

reg_key
efc8d3c97ca9383f77f8c3938dbe8fdd
splitter
|'|'|

Signatures

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

Processes:

mp4player.exemp4player.exe

pid process

1168 mp4player.exe
852 mp4player.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1992 netsh.exe

pid	process
1168	mp4player.exe
852	mp4player.exe

pid	process
1992	netsh.exe

Drops startup file 2 IoCs

Processes:

mp4player.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\efc8d3c97ca9383f77f8c3938dbe8fdd.exe	mp4player.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\efc8d3c97ca9383f77f8c3938dbe8fdd.exe	mp4player.exe

Loads dropped DLL 2 IoCs

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe

pid	process
1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mp4player.exe38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\efc8d3c97ca9383f77f8c3938dbe8fdd = "\"C:\\Users\\Admin\\AppData\\Roaming\\mp4player.exe\" .."	mp4player.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\efc8d3c97ca9383f77f8c3938dbe8fdd = "\"C:\\Users\\Admin\\AppData\\Roaming\\mp4player.exe\" .."	mp4player.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Azzure IT = "C:\\Users\\Admin\\AppData\\Roaming\\ofRGr\\delhz.exe"	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Azzure IT = "C:\\Users\\Admin\\AppData\\Roaming\\ofRGr\\delhz.exe"	mp4player.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exe

description	pid	process	target process
PID 1880 set thread context of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1168 set thread context of 852	1168	mp4player.exe	mp4player.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

mp4player.exe

description	pid	process
Token: SeDebugPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe
Token: 33	852	mp4player.exe
Token: SeIncBasePriorityPrivilege	852	mp4player.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exemp4player.exe

description	pid	process	target process
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1880 wrote to memory of 1280	1880	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1280 wrote to memory of 1168	1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 1280 wrote to memory of 1168	1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 1280 wrote to memory of 1168	1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 1280 wrote to memory of 1168	1280	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 1168 wrote to memory of 852	1168	mp4player.exe	mp4player.exe
PID 852 wrote to memory of 1992	852	mp4player.exe	netsh.exe
PID 852 wrote to memory of 1992	852	mp4player.exe	netsh.exe
PID 852 wrote to memory of 1992	852	mp4player.exe	netsh.exe
PID 852 wrote to memory of 1992	852	mp4player.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
"C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
"C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280

C:\Users\Admin\AppData\Roaming\mp4player.exe
"C:\Users\Admin\AppData\Roaming\mp4player.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Roaming\mp4player.exe
"C:\Users\Admin\AppData\Roaming\mp4player.exe"
4⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\mp4player.exe" "mp4player.exe" ENABLE
5⤵
- Modifies Windows Firewall
PID:1992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\mp4player.exe
Filesize
212KB

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
C:\Users\Admin\AppData\Roaming\mp4player.exe
Filesize
212KB

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
C:\Users\Admin\AppData\Roaming\mp4player.exe
Filesize
212KB

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
\Users\Admin\AppData\Roaming\mp4player.exe
Filesize
212KB

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
\Users\Admin\AppData\Roaming\mp4player.exe
Filesize
212KB

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
memory/852-95-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/852-93-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/852-85-0x000000000040748E-mapping.dmp

Download
memory/1168-92-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1168-78-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1168-73-0x0000000000000000-mapping.dmp

Download
memory/1280-70-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1280-77-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1280-69-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1280-64-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-66-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-62-0x000000000040748E-mapping.dmp

Download
memory/1280-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1280-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1880-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1880-67-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-55-0x00000000741E0000-0x000000007478B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-94-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads