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

4504 mp4player.exe
2648 mp4player.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1532 netsh.exe

pid	process
4504	mp4player.exe
2648	mp4player.exe

pid	process
1532	netsh.exe

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

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exemp4player.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Azzure IT = "C:\\Users\\Admin\\AppData\\Roaming\\ofRGr\\delhz.exe"	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Azzure IT = "C:\\Users\\Admin\\AppData\\Roaming\\ofRGr\\delhz.exe"	mp4player.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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

Suspicious use of SetThreadContext 2 IoCs

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exe

description	pid	process	target process
PID 1412 set thread context of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 4504 set thread context of 2648	4504	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 31 IoCs

Processes:

mp4player.exe

description	pid	process
Token: SeDebugPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe
Token: 33	2648	mp4player.exe
Token: SeIncBasePriorityPrivilege	2648	mp4player.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exemp4player.exemp4player.exe

description	pid	process	target process
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 1412 wrote to memory of 4160	1412	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
PID 4160 wrote to memory of 4504	4160	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 4160 wrote to memory of 4504	4160	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 4160 wrote to memory of 4504	4160	38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 4504 wrote to memory of 2648	4504	mp4player.exe	mp4player.exe
PID 2648 wrote to memory of 1532	2648	mp4player.exe	netsh.exe
PID 2648 wrote to memory of 1532	2648	mp4player.exe	netsh.exe
PID 2648 wrote to memory of 1532	2648	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:1412

C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe
"C:\Users\Admin\AppData\Local\Temp\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe"
2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4160

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:4504

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:2648

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\mp4player.exe" "mp4player.exe" ENABLE
5⤵
- Modifies Windows Firewall
PID:1532

Network

MITRE ATT&CK Matrix ATT&CK 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5.exe.log
Filesize
313B

MD5
00b72ea3d569eb0d4fb85691b642f47c

SHA1
f9134a33706eb76ddb00e5276639d660a071da9b

SHA256
cd62d4fbf8b135be5c0b8448a7d53db7784869761a10ec99473f58f44d8e686c

SHA512
62af7608834d84fa95470247cab4bfa5a382825f81e9918b762e62dfc6c467e7b50cfb5b2fd36eff1da320e22aa8c1427c02820e06d9f2f6483e64740a43e8df

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\mp4player.exe.log
Filesize
313B

MD5
00b72ea3d569eb0d4fb85691b642f47c

SHA1
f9134a33706eb76ddb00e5276639d660a071da9b

SHA256
cd62d4fbf8b135be5c0b8448a7d53db7784869761a10ec99473f58f44d8e686c

SHA512
62af7608834d84fa95470247cab4bfa5a382825f81e9918b762e62dfc6c467e7b50cfb5b2fd36eff1da320e22aa8c1427c02820e06d9f2f6483e64740a43e8df

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

MD5
b6fb59b629ff7361ca59bc57d44b3ffe

SHA1
24ffe3043b12a6db42cae02a6f46e213e3012fce

SHA256
38df39b8f59e65ddfc8558b554ed8449815e2a1da263911f5fa5adc610101ae5

SHA512
a6b9c88f3caa11e255a7f13fb4eb59d3668e6814e86aa5b8f97a86728a856d8e748561ea717add208ab7cd1af438ae88c7959b856c54da0f67cb725e26319dec

Download Submit
memory/1412-134-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/1412-130-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/1532-147-0x0000000000000000-mapping.dmp

Download
memory/2648-141-0x0000000000000000-mapping.dmp

Download
memory/2648-148-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/2648-146-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4160-132-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4160-131-0x0000000000000000-mapping.dmp

Download
memory/4160-139-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4160-135-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4504-140-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4504-145-0x0000000074B30000-0x00000000750E1000-memory.dmp

Filesize
5.7MB

Download
memory/4504-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads