njrat | 77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a

Analysis

max time kernel
189s
max time network
122s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 15:40

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General

Target

77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe
Size

628KB
MD5

32618460447cf4a7b52f2f3738701cb6
SHA1

edbc1a16e4a5f5f2478f898b6b8a0a9c28e2140a
SHA256

77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a
SHA512

7ac26eba673f710ac85d2ae133165eb9d68b1a2ccb4709203e08a4159f7eec961e875fef0d61a449830f418f605a19c3bcb4794db36f0cfe3bda7e1323df4000
SSDEEP

12288:EK/R+xDNXvwUmBnpSz22rDvH7h5vVws4sL+cer/B+A3Fg2XFnTjW:QdwLFpSzFDvF7w3sFS/B++FT

Score

10^/10

njrat xbooh evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

XbOoH

madrid7.zapto.org:1177

Mutex

be03385064ece2f2ea31c1c1cbb33041

Attributes

reg_key
be03385064ece2f2ea31c1c1cbb33041
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 5 IoCs

Processes:

TempGoogleUpdate.exeTempserver.exeTempserver.exesvhost.exesvhost.exe

pid process

580 TempGoogleUpdate.exe
1648 Tempserver.exe
1484 Tempserver.exe
1704 svhost.exe
1504 svhost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1776 netsh.exe
Loads dropped DLL 4 IoCs

Processes:

77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exeTempGoogleUpdate.exeTempserver.exesvhost.exe

pid process

1360 77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe
580 TempGoogleUpdate.exe
1484 Tempserver.exe
1704 svhost.exe

pid	process
580	TempGoogleUpdate.exe
1648	Tempserver.exe
1484	Tempserver.exe
1704	svhost.exe
1504	svhost.exe

pid	process
1776	netsh.exe

pid	process
1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe
580	TempGoogleUpdate.exe
1484	Tempserver.exe
1704	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\be03385064ece2f2ea31c1c1cbb33041 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\be03385064ece2f2ea31c1c1cbb33041 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Tempserver.exesvhost.exe

description	pid	process	target process
PID 1648 set thread context of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1704 set thread context of 1504	1704	svhost.exe	svhost.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 19 IoCs

Processes:

Tempserver.exesvhost.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	1648	Tempserver.exe
Token: SeDebugPrivilege	1704	svhost.exe
Token: SeDebugPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe
Token: 33	1504	svhost.exe
Token: SeIncBasePriorityPrivilege	1504	svhost.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exeTempGoogleUpdate.exeTempserver.exeTempserver.exesvhost.exesvhost.exe

description	pid	process	target process
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 1360 wrote to memory of 580	1360	77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe	TempGoogleUpdate.exe
PID 580 wrote to memory of 1648	580	TempGoogleUpdate.exe	Tempserver.exe
PID 580 wrote to memory of 1648	580	TempGoogleUpdate.exe	Tempserver.exe
PID 580 wrote to memory of 1648	580	TempGoogleUpdate.exe	Tempserver.exe
PID 580 wrote to memory of 1648	580	TempGoogleUpdate.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1648 wrote to memory of 1484	1648	Tempserver.exe	Tempserver.exe
PID 1484 wrote to memory of 1704	1484	Tempserver.exe	svhost.exe
PID 1484 wrote to memory of 1704	1484	Tempserver.exe	svhost.exe
PID 1484 wrote to memory of 1704	1484	Tempserver.exe	svhost.exe
PID 1484 wrote to memory of 1704	1484	Tempserver.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1704 wrote to memory of 1504	1704	svhost.exe	svhost.exe
PID 1504 wrote to memory of 1776	1504	svhost.exe	netsh.exe
PID 1504 wrote to memory of 1776	1504	svhost.exe	netsh.exe
PID 1504 wrote to memory of 1776	1504	svhost.exe	netsh.exe
PID 1504 wrote to memory of 1776	1504	svhost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe
"C:\Users\Admin\AppData\Local\Temp\77d32503cef31dc249996ca85404b56ef6fb97f02f3c21378f2b80b8fab8913a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1360

C:\Users\Admin\AppData\Local\TempGoogleUpdate.exe
"C:\Users\Admin\AppData\Local\TempGoogleUpdate.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:580

C:\Users\Admin\AppData\Local\Tempserver.exe
"C:\Users\Admin\AppData\Local\Tempserver.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648

C:\Users\Admin\AppData\Local\Tempserver.exe
C:\Users\Admin\AppData\Local\Tempserver.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1704

C:\Users\Admin\AppData\Local\Temp\svhost.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhost.exe" "svhost.exe" ENABLE
7⤵
- Modifies Windows Firewall
PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\TempGoogleUpdate.exe
Filesize
290KB

MD5
c80e8284eade9b7e3482c39d881359af

SHA1
4f6e2a91e80608f0967ea0fd56cc574ea2947573

SHA256
d0f6145e4b390237ae1f708d027400fd67c78afde77bd3418688832f4ad11bb3

SHA512
77333656590535fcfdbd1e2a8612270387a769126fe29bc93ec1f078a104a5be9450e4f8cb3f87c5496deb745445fa08a947e07742efa33d44c08f57c294bf3f

Download Submit
C:\Users\Admin\AppData\Local\TempGoogleUpdate.exe
Filesize
290KB

MD5
c80e8284eade9b7e3482c39d881359af

SHA1
4f6e2a91e80608f0967ea0fd56cc574ea2947573

SHA256
d0f6145e4b390237ae1f708d027400fd67c78afde77bd3418688832f4ad11bb3

SHA512
77333656590535fcfdbd1e2a8612270387a769126fe29bc93ec1f078a104a5be9450e4f8cb3f87c5496deb745445fa08a947e07742efa33d44c08f57c294bf3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
C:\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
C:\Users\Admin\AppData\Local\Tempserver.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
C:\Users\Admin\AppData\Local\Tempserver.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
C:\Users\Admin\AppData\Local\Tempserver.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
\Users\Admin\AppData\Local\TempGoogleUpdate.exe
Filesize
290KB

MD5
c80e8284eade9b7e3482c39d881359af

SHA1
4f6e2a91e80608f0967ea0fd56cc574ea2947573

SHA256
d0f6145e4b390237ae1f708d027400fd67c78afde77bd3418688832f4ad11bb3

SHA512
77333656590535fcfdbd1e2a8612270387a769126fe29bc93ec1f078a104a5be9450e4f8cb3f87c5496deb745445fa08a947e07742efa33d44c08f57c294bf3f

Download Submit
\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
\Users\Admin\AppData\Local\Temp\svhost.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
\Users\Admin\AppData\Local\Tempserver.exe
Filesize
159KB

MD5
edf5301fc6cfd9e913bfa6d7084ae3f2

SHA1
e1c326b038e89b646ed06484b6b62187c7b277b2

SHA256
f67e38ba014ea58fb0c8d38a8e914b04f11adef82bff454c63fedc935c64527e

SHA512
ca63415e91ce2a8221aff80b03c72de108893ba73895639360e158cfaf9238ed2fa28733650966255588876d59c6e5299ed64a6e9851d468208b25dff1115674

Download Submit
memory/580-57-0x0000000000000000-mapping.dmp

Download
memory/580-67-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/580-61-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1360-69-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1360-54-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/1360-55-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1484-71-0x000000000040748E-mapping.dmp

Download
memory/1484-79-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1484-75-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-70-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1484-85-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1484-77-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1504-88-0x000000000040748E-mapping.dmp

Download
memory/1504-99-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1504-96-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-63-0x0000000000000000-mapping.dmp

Download
memory/1648-68-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-74-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1704-91-0x00000000749C0000-0x0000000074F6B000-memory.dmp

Filesize
5.7MB

Download
memory/1704-81-0x0000000000000000-mapping.dmp

Download
memory/1776-97-0x0000000000000000-mapping.dmp

Download