njrat | 74a6a6252fa238066d74712c4732b1d6dd517d8a7997ac366ae3f80f4e3aa2f4

General

Target

67da6f5ed1373b2d46cfd8f1e9201970.exe
Size

359KB
MD5

67da6f5ed1373b2d46cfd8f1e9201970
SHA1

1820da1f12be9f23a4de58bfb8d3bffc792b9754
SHA256

74a6a6252fa238066d74712c4732b1d6dd517d8a7997ac366ae3f80f4e3aa2f4
SHA512

a194c3f766b95a62fcf6927d0e90276f92a8b4c279fa3b882cecec7da3d380ce7882d4647e74e069f9b75149295ba90534897d757b00535f289201635308c787
SSDEEP

6144:3jbeip2KAS0aEyBB+CMwQ8XCM66iO/PCWpBEaOltLKUPBXdRRLD1H5KPB:3uKAsEVC6qEJO/PdBQKGtpD1Zk

Score

10^/10

njrat mybot evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

alka.ddns.net:4444

Mutex

610ba357edf3ec0f6e3dbbff929d8468

Attributes

reg_key
610ba357edf3ec0f6e3dbbff929d8468
splitter
Y262SUCZ4UJJ

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

K.abcK.abc

pid process

1096 K.abc
1720 K.abc
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

5112 netsh.exe
Drops startup file 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs cmd.exe

pid	process
1096	K.abc
1720	K.abc

pid	process
5112	netsh.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

67da6f5ed1373b2d46cfd8f1e9201970.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	67da6f5ed1373b2d46cfd8f1e9201970.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	67da6f5ed1373b2d46cfd8f1e9201970.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

K.abc

description pid process target process

PID 1096 set thread context of 1720 1096 K.abc K.abc
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

K.abc

pid process

1096 K.abc
1096 K.abc

description	pid	process	target process
PID 1096 set thread context of 1720	1096	K.abc	K.abc

pid	process
1096	K.abc
1096	K.abc

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

K.abc

description	pid	process
Token: SeDebugPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc
Token: 33	1720	K.abc
Token: SeIncBasePriorityPrivilege	1720	K.abc

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

K.abc

pid process

1096 K.abc

pid	process
1096	K.abc

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

67da6f5ed1373b2d46cfd8f1e9201970.exeK.abcK.abc

description	pid	process	target process
PID 1652 wrote to memory of 1096	1652	67da6f5ed1373b2d46cfd8f1e9201970.exe	K.abc
PID 1652 wrote to memory of 1096	1652	67da6f5ed1373b2d46cfd8f1e9201970.exe	K.abc
PID 1652 wrote to memory of 1096	1652	67da6f5ed1373b2d46cfd8f1e9201970.exe	K.abc
PID 1096 wrote to memory of 5032	1096	K.abc	cmd.exe
PID 1096 wrote to memory of 5032	1096	K.abc	cmd.exe
PID 1096 wrote to memory of 5032	1096	K.abc	cmd.exe
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1096 wrote to memory of 1720	1096	K.abc	K.abc
PID 1720 wrote to memory of 5112	1720	K.abc	netsh.exe
PID 1720 wrote to memory of 5112	1720	K.abc	netsh.exe
PID 1720 wrote to memory of 5112	1720	K.abc	netsh.exe

C:\Users\Admin\AppData\Local\Temp\67da6f5ed1373b2d46cfd8f1e9201970.exe
"C:\Users\Admin\AppData\Local\Temp\67da6f5ed1373b2d46cfd8f1e9201970.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
3⤵
- Drops startup file
PID:5032

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc" "K.abc" ENABLE
4⤵
- Modifies Windows Firewall
PID:5112

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.ab_
Filesize
75KB

MD5
dd1453acce357e3d5f5bed5c4111eb03

SHA1
f53b6a4bd4dc74ae2bfcbb97fc34185fa48d5e50

SHA256
27714a112709c148cd89b1c15d4b5bd08067d80b27062f419aefe92617702447

SHA512
aca348a03eae12d280eed92542435d24e27b1c18c190e5f115f7cc1b57169200a4d3a55300cbf24ff67905c7f91af4b2796a15d7361b70178db67141c1d212f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
Filesize
104KB

MD5
7bae06cbe364bb42b8c34fcfb90e3ebd

SHA1
79129af7efa46244da0676607242f0a6b7e12e78

SHA256
6ceaebd55b4a542ef64be1d6971fcfe802e67e2027366c52faacc8a8d325ec7a

SHA512
c599b72500a5c17cd5c4a81fcf220a95925aa0e5ad72aa92dd1a469fe6e3c23590c548a0be7ec2c4dbd737511a0a79c1c46436867cf7f0c4df21f8dcea9686cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
Filesize
716KB

MD5
cd658c18f16aa91907a41bb791070458

SHA1
e3fffb5454624ff915e9a91bd41195e939eea933

SHA256
b7272f3176b6f08f01ce78fc7e7bcd674393784b4b79a59958f022ad1c22c671

SHA512
34a8b0a6d596263461f736a5db9de3ae5eefb1a1270247793514f038df91ed591e411e772efb574122a6a4fba2b9dea530a70782d7daea36b12b90a8a02ea972

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abc
Filesize
716KB

MD5
cd658c18f16aa91907a41bb791070458

SHA1
e3fffb5454624ff915e9a91bd41195e939eea933

SHA256
b7272f3176b6f08f01ce78fc7e7bcd674393784b4b79a59958f022ad1c22c671

SHA512
34a8b0a6d596263461f736a5db9de3ae5eefb1a1270247793514f038df91ed591e411e772efb574122a6a4fba2b9dea530a70782d7daea36b12b90a8a02ea972

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\K.abcx
Filesize
716KB

MD5
cd658c18f16aa91907a41bb791070458

SHA1
e3fffb5454624ff915e9a91bd41195e939eea933

SHA256
b7272f3176b6f08f01ce78fc7e7bcd674393784b4b79a59958f022ad1c22c671

SHA512
34a8b0a6d596263461f736a5db9de3ae5eefb1a1270247793514f038df91ed591e411e772efb574122a6a4fba2b9dea530a70782d7daea36b12b90a8a02ea972

Download Submit
memory/1096-137-0x00000000007A0000-0x00000000007A5000-memory.dmp

Filesize
20KB

Download
memory/1096-132-0x0000000000000000-mapping.dmp

Download
memory/1720-138-0x0000000000000000-mapping.dmp

Download
memory/1720-139-0x0000000000400000-0x0000000000978000-memory.dmp

Filesize
5.5MB

Download
memory/1720-142-0x0000000073A40000-0x0000000073FF1000-memory.dmp

Filesize
5.7MB

Download
memory/1720-144-0x0000000073A40000-0x0000000073FF1000-memory.dmp

Filesize
5.7MB

Download
memory/5032-136-0x0000000000000000-mapping.dmp

Download
memory/5112-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads