njrat | bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f

General

Target

bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe
Size

23KB
MD5

e0d58f00a4ef29afc8f4b9fab7730fa2
SHA1

e047c93a6d5911344efa3dc932b77ef6c140e2ed
SHA256

bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f
SHA512

5d55835123613de27c464bd555d333fe235ad957f67885bcab7304151414c49654317daaa3c1c864f5741c2c84b78d7bc84922f516baf5ea296840260e27f30e
SSDEEP

384:vY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZ2d:4L2s+tRyRpcnuF

Score

10^/10

njrat 1 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

1

C2

x-devil50099005.ddns.net:5552

Mutex

65d6e46c64951a1a3fd770cfd09c2de9

Attributes

reg_key
65d6e46c64951a1a3fd770cfd09c2de9
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

google.exe

pid process

4916 google.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4892 netsh.exe

pid	process
4916	google.exe

pid	process
4892	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:

bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe

Drops startup file 2 IoCs

Processes:

google.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65d6e46c64951a1a3fd770cfd09c2de9.exe	google.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\65d6e46c64951a1a3fd770cfd09c2de9.exe	google.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

google.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\65d6e46c64951a1a3fd770cfd09c2de9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.exe\" .."	google.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\65d6e46c64951a1a3fd770cfd09c2de9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\google.exe\" .."	google.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 29 IoCs

Processes:

google.exe

description	pid	process
Token: SeDebugPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe
Token: 33	4916	google.exe
Token: SeIncBasePriorityPrivilege	4916	google.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exegoogle.exe

description	pid	process	target process
PID 4284 wrote to memory of 4916	4284	bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe	google.exe
PID 4284 wrote to memory of 4916	4284	bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe	google.exe
PID 4284 wrote to memory of 4916	4284	bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe	google.exe
PID 4916 wrote to memory of 4892	4916	google.exe	netsh.exe
PID 4916 wrote to memory of 4892	4916	google.exe	netsh.exe
PID 4916 wrote to memory of 4892	4916	google.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe
"C:\Users\Admin\AppData\Local\Temp\bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4284

C:\Users\Admin\AppData\Local\Temp\google.exe
"C:\Users\Admin\AppData\Local\Temp\google.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4916

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\google.exe" "google.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4892

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\google.exe
Filesize
23KB

MD5
e0d58f00a4ef29afc8f4b9fab7730fa2

SHA1
e047c93a6d5911344efa3dc932b77ef6c140e2ed

SHA256
bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f

SHA512
5d55835123613de27c464bd555d333fe235ad957f67885bcab7304151414c49654317daaa3c1c864f5741c2c84b78d7bc84922f516baf5ea296840260e27f30e

Download Submit
C:\Users\Admin\AppData\Local\Temp\google.exe
Filesize
23KB

MD5
e0d58f00a4ef29afc8f4b9fab7730fa2

SHA1
e047c93a6d5911344efa3dc932b77ef6c140e2ed

SHA256
bd77ef3186d1cfc0b89a834f742eee6efe99d8a4bc2dbec694fcfaff7c30a10f

SHA512
5d55835123613de27c464bd555d333fe235ad957f67885bcab7304151414c49654317daaa3c1c864f5741c2c84b78d7bc84922f516baf5ea296840260e27f30e

Download Submit
memory/4284-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4284-133-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4284-137-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4892-139-0x0000000000000000-mapping.dmp

Download
memory/4916-134-0x0000000000000000-mapping.dmp

Download
memory/4916-138-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4916-140-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads