njrat | 1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034

General

Target

1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe
Size

32KB
MD5

5f1f482c1244682a829e224aa40e6de3
SHA1

69d8bf75600c47ca57b2fd89d21d27c2c58365ad
SHA256

1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034
SHA512

c2a4ea72edc7f15a1d613cc08f2eee8b343ceae48021c8edccaa79a52f06502c0dad55410d4e92a6592b5fbd2a1b7d9c7f7af480ab0b6f26ee15422b0cdd9738

Score

10^/10

njrat zombie evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Zombie

C2

112.166.177.15:1

Mutex

b7df430e3057c59320a80e9e06fb22b0

Attributes

reg_key
b7df430e3057c59320a80e9e06fb22b0
splitter
|'|'|

Signatures

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

Processes:

svchost.exe

pid process

1140 svchost.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Loads dropped DLL 1 IoCs

Processes:

1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe

pid process

1380 1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe

pid	process
1140	svchost.exe

pid	process
1380	1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\b7df430e3057c59320a80e9e06fb22b0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b7df430e3057c59320a80e9e06fb22b0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe
Token: 33	1140	svchost.exe
Token: SeIncBasePriorityPrivilege	1140	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exesvchost.exe

description	pid	process	target process
PID 1380 wrote to memory of 1140	1380	1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe	svchost.exe
PID 1380 wrote to memory of 1140	1380	1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe	svchost.exe
PID 1380 wrote to memory of 1140	1380	1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe	svchost.exe
PID 1380 wrote to memory of 1140	1380	1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe	svchost.exe
PID 1140 wrote to memory of 1952	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 1952	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 1952	1140	svchost.exe	netsh.exe
PID 1140 wrote to memory of 1952	1140	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe
"C:\Users\Admin\AppData\Local\Temp\1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1380

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
3⤵
PID:1952

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
32KB

MD5
5f1f482c1244682a829e224aa40e6de3

SHA1
69d8bf75600c47ca57b2fd89d21d27c2c58365ad

SHA256
1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034

SHA512
c2a4ea72edc7f15a1d613cc08f2eee8b343ceae48021c8edccaa79a52f06502c0dad55410d4e92a6592b5fbd2a1b7d9c7f7af480ab0b6f26ee15422b0cdd9738

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
32KB

MD5
5f1f482c1244682a829e224aa40e6de3

SHA1
69d8bf75600c47ca57b2fd89d21d27c2c58365ad

SHA256
1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034

SHA512
c2a4ea72edc7f15a1d613cc08f2eee8b343ceae48021c8edccaa79a52f06502c0dad55410d4e92a6592b5fbd2a1b7d9c7f7af480ab0b6f26ee15422b0cdd9738

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe
Filesize
32KB

MD5
5f1f482c1244682a829e224aa40e6de3

SHA1
69d8bf75600c47ca57b2fd89d21d27c2c58365ad

SHA256
1400ae6d8a0b2541840bf42af5f697e6a544a1574c75d23faab4cd92137e0034

SHA512
c2a4ea72edc7f15a1d613cc08f2eee8b343ceae48021c8edccaa79a52f06502c0dad55410d4e92a6592b5fbd2a1b7d9c7f7af480ab0b6f26ee15422b0cdd9738

Download Submit
memory/1140-58-0x0000000000000000-mapping.dmp

Download
memory/1140-61-0x0000000000110000-0x000000000011E000-memory.dmp

Filesize
56KB

Download
memory/1380-54-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

Filesize
56KB

Download
memory/1380-55-0x0000000075871000-0x0000000075873000-memory.dmp

Filesize
8KB

Download
memory/1380-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1952-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads