njrat | 90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563

General

Target

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
Size

875KB
MD5

0a73ff03793f0b5beb7d2537933033ab
SHA1

9631cedd0844c8c7fb16373c27e0c9ffb7261f9a
SHA256

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563
SHA512

4131c9e9bbdd3618cdda5cf00b98f2d2254e63ce6a6d5bafda9bd6430e3c555e6361227bfe89072e83f46e0dd4c8d306b9337570800760bb612917c17517d703
SSDEEP

24576:h4lavt0LkLL9IMixoEgea+8zrcq9MmCS:wkwkn9IMHea+GQaPCS

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

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

Processes:

7163.exetext.exe

pid process

1004 7163.exe
864 text.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2012 netsh.exe

pid	process
1004	7163.exe
864	text.exe

pid	process
2012	netsh.exe

Drops startup file 2 IoCs

Processes:

text.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\03bfd3da23b9ce746a9cdacb3e8222d9.exe	text.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\03bfd3da23b9ce746a9cdacb3e8222d9.exe	text.exe

Loads dropped DLL 4 IoCs

Processes:

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe7163.exe

pid	process
1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
1004	7163.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

text.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\03bfd3da23b9ce746a9cdacb3e8222d9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\text.exe\" .."	text.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\03bfd3da23b9ce746a9cdacb3e8222d9 = "\"C:\\Users\\Admin\\AppData\\Roaming\\text.exe\" .."	text.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

text.exe

pid	process
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe
864	text.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

text.exe

description pid process

Token: SeDebugPrivilege 864 text.exe

description	pid	process
Token: SeDebugPrivilege	864	text.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe7163.exetext.exe

description	pid	process	target process
PID 1932 wrote to memory of 1004	1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe	7163.exe
PID 1932 wrote to memory of 1004	1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe	7163.exe
PID 1932 wrote to memory of 1004	1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe	7163.exe
PID 1932 wrote to memory of 1004	1932	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe	7163.exe
PID 1004 wrote to memory of 864	1004	7163.exe	text.exe
PID 1004 wrote to memory of 864	1004	7163.exe	text.exe
PID 1004 wrote to memory of 864	1004	7163.exe	text.exe
PID 1004 wrote to memory of 864	1004	7163.exe	text.exe
PID 864 wrote to memory of 2012	864	text.exe	netsh.exe
PID 864 wrote to memory of 2012	864	text.exe	netsh.exe
PID 864 wrote to memory of 2012	864	text.exe	netsh.exe
PID 864 wrote to memory of 2012	864	text.exe	netsh.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe

C:\Users\Admin\AppData\Local\Temp\90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe
"C:\Users\Admin\AppData\Local\Temp\90879c6b4db8254f1e2ec94ec3ea453977a251c1789e91879a863504c2aaa563.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1932

C:\Users\Admin\AppData\Local\Temp\7163\7163.exe
"C:\Users\Admin\AppData\Local\Temp\7163\7163.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1004

C:\Users\Admin\AppData\Roaming\text.exe
"C:\Users\Admin\AppData\Roaming\text.exe"
3⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\text.exe" "text.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:2012

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

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7163\7163.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
C:\Users\Admin\AppData\Local\Temp\7163\7163.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
C:\Users\Admin\AppData\Roaming\text.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
C:\Users\Admin\AppData\Roaming\text.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
\Users\Admin\AppData\Local\Temp\7163\7163.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
\Users\Admin\AppData\Local\Temp\7163\7163.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
\Users\Admin\AppData\Local\Temp\7163\7163.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
\Users\Admin\AppData\Roaming\text.exe
Filesize
28KB

MD5
f2cb40517f296c958053e0d6752d6e66

SHA1
d90652c7f3501b898a902be6abec0b52e2abbeee

SHA256
2187b8f08b50c9e5d525007f42f8c960ecf6257d0e57d5435b2b61c02c6d9267

SHA512
7de89af47e8a4f5d60f88d156767546360715fbe268a12be57ec9227ba24cbcd64dc5a0c85526a743728de4b7f5b91b8736fc49c11a90b8520ecbf51ca8a6d59

Download Submit
memory/864-64-0x0000000000000000-mapping.dmp

Download
memory/864-69-0x0000000073C40000-0x00000000741EB000-memory.dmp

Filesize
5.7MB

Download
memory/864-71-0x0000000073C40000-0x00000000741EB000-memory.dmp

Filesize
5.7MB

Download
memory/1004-62-0x0000000074520000-0x0000000074ACB000-memory.dmp

Filesize
5.7MB

Download
memory/1004-58-0x0000000000000000-mapping.dmp

Download
memory/1932-54-0x0000000076181000-0x0000000076183000-memory.dmp

Filesize
8KB

Download
memory/2012-68-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads