njrat | bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

General

Target

b93287f2b98af1aefebef7a4b46a689c.exe
Size

43KB
MD5

b93287f2b98af1aefebef7a4b46a689c
SHA1

1329369d122864910f735aa6b1740e85516806c1
SHA256

bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b
SHA512

7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

6.tcp.ngrok.io:15544

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:

dllhost.exeServer.exeServer.exe

pid process

924 dllhost.exe
1220 Server.exe
2572 Server.exe

pid	process
924	dllhost.exe
1220	Server.exe
2572	Server.exe

Drops startup file 2 IoCs

Processes:

dllhost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost.exe\" .."	dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dllhost.exe\" .."	dllhost.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

1868 schtasks.exe
Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

b93287f2b98af1aefebef7a4b46a689c.exedllhost.exe

pid process

1108 b93287f2b98af1aefebef7a4b46a689c.exe
924 dllhost.exe

pid	process
1868	schtasks.exe

pid	process
1108	b93287f2b98af1aefebef7a4b46a689c.exe
924	dllhost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

dllhost.exe

description	pid	process
Token: SeDebugPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe
Token: 33	924	dllhost.exe
Token: SeIncBasePriorityPrivilege	924	dllhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b93287f2b98af1aefebef7a4b46a689c.exedllhost.exe

description	pid	process	target process
PID 1108 wrote to memory of 924	1108	b93287f2b98af1aefebef7a4b46a689c.exe	dllhost.exe
PID 1108 wrote to memory of 924	1108	b93287f2b98af1aefebef7a4b46a689c.exe	dllhost.exe
PID 1108 wrote to memory of 924	1108	b93287f2b98af1aefebef7a4b46a689c.exe	dllhost.exe
PID 924 wrote to memory of 1868	924	dllhost.exe	schtasks.exe
PID 924 wrote to memory of 1868	924	dllhost.exe	schtasks.exe
PID 924 wrote to memory of 1868	924	dllhost.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b93287f2b98af1aefebef7a4b46a689c.exe
"C:\Users\Admin\AppData\Local\Temp\b93287f2b98af1aefebef7a4b46a689c.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\dllhost.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:924

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:1868

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:1220

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
PID:2572

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\Microsoft\CLR_v2.0_32\UsageLogs\Server.exe.log
MD5
7ad3ed2af1de925a18f2d8cb0ea3fddc

SHA1
725c8ea78d0493d127493a36c60b359affddcfca

SHA256
e32faf8019c289b7fe1ba6db31a6ccc2aaed75953b5953f8f24a6a08cba1f795

SHA512
eb423180b7925a62e19f1d612ea007cc4961394a426aac44fc9a4d9085e05ec1686842d8f0eab67c262416caff42b8fe812f6dc3d86372168f262d9bf577ead2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
b93287f2b98af1aefebef7a4b46a689c

SHA1
1329369d122864910f735aa6b1740e85516806c1

SHA256
bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

SHA512
7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
b93287f2b98af1aefebef7a4b46a689c

SHA1
1329369d122864910f735aa6b1740e85516806c1

SHA256
bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

SHA512
7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
MD5
b93287f2b98af1aefebef7a4b46a689c

SHA1
1329369d122864910f735aa6b1740e85516806c1

SHA256
bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

SHA512
7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Download Submit
C:\Users\Admin\AppData\Local\Temp\dllhost.exe
MD5
b93287f2b98af1aefebef7a4b46a689c

SHA1
1329369d122864910f735aa6b1740e85516806c1

SHA256
bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

SHA512
7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Download Submit
C:\Users\Admin\AppData\Local\Temp\dllhost.exe
MD5
b93287f2b98af1aefebef7a4b46a689c

SHA1
1329369d122864910f735aa6b1740e85516806c1

SHA256
bfa74e548efbc9dda9420f88bb84f6f23c034399a16df9093b6a27e33621e44b

SHA512
7fe3185f2c9f0b37f69f780fecb0ff8240116267249212b39371d4966453c6cd018f43b8690c06e5f3beb79a1a2103625e6bd408b284a066eef36c4d5111f067

Download Submit
memory/924-116-0x0000000000000000-mapping.dmp

Download
memory/924-119-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/1108-115-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

Filesize
4KB

Download
memory/1220-123-0x0000000001920000-0x0000000001921000-memory.dmp

Filesize
4KB

Download
memory/1868-120-0x0000000000000000-mapping.dmp

Download
memory/2572-126-0x0000000001060000-0x0000000001061000-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