njrat | 5a68f9ddf03ff74628e5886c0722c09d288b251987cbbabe8dd192cdfe71e126

General

Target

0x000a000000012322-61.exe
Size

23KB
MD5

6c1b4cac2813540e07e0a9665eed145a
SHA1

6b6a609afa15bc53ba55883139cff88db5e5fcc8
SHA256

5a68f9ddf03ff74628e5886c0722c09d288b251987cbbabe8dd192cdfe71e126
SHA512

d0ca2001b54cb57769be5334036eaa7e05d584afaa11b56dc1003b60fec0d31e88db3a1e894ed7f8791fa1f95b3f9061f779b7790bdadc570abfbaf766530846
SSDEEP

384:mY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZ5rv:pL2s+tRyRpcnuQj

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

8.tcp.ngrok.io:16697

Mutex

48f98c994dec482c661547c02a2922ac

Attributes

reg_key
48f98c994dec482c661547c02a2922ac
splitter
|'|'|

Signatures

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

Processes:

putty.exe

pid process

4668 putty.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4448 netsh.exe

pid	process
4668	putty.exe

pid	process
4448	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:

0x000a000000012322-61.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	0x000a000000012322-61.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

putty.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\48f98c994dec482c661547c02a2922ac = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\putty.exe\" .."	putty.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\48f98c994dec482c661547c02a2922ac = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\putty.exe\" .."	putty.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 35 IoCs

Processes:

putty.exe

description	pid	process
Token: SeDebugPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe
Token: 33	4668	putty.exe
Token: SeIncBasePriorityPrivilege	4668	putty.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0x000a000000012322-61.exeputty.exe

description	pid	process	target process
PID 1460 wrote to memory of 4668	1460	0x000a000000012322-61.exe	putty.exe
PID 1460 wrote to memory of 4668	1460	0x000a000000012322-61.exe	putty.exe
PID 1460 wrote to memory of 4668	1460	0x000a000000012322-61.exe	putty.exe
PID 4668 wrote to memory of 4448	4668	putty.exe	netsh.exe
PID 4668 wrote to memory of 4448	4668	putty.exe	netsh.exe
PID 4668 wrote to memory of 4448	4668	putty.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0x000a000000012322-61.exe
"C:\Users\Admin\AppData\Local\Temp\0x000a000000012322-61.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1460

C:\Users\Admin\AppData\Local\Temp\putty.exe
"C:\Users\Admin\AppData\Local\Temp\putty.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\putty.exe" "putty.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4448

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\putty.exe
Filesize
23KB

MD5
6c1b4cac2813540e07e0a9665eed145a

SHA1
6b6a609afa15bc53ba55883139cff88db5e5fcc8

SHA256
5a68f9ddf03ff74628e5886c0722c09d288b251987cbbabe8dd192cdfe71e126

SHA512
d0ca2001b54cb57769be5334036eaa7e05d584afaa11b56dc1003b60fec0d31e88db3a1e894ed7f8791fa1f95b3f9061f779b7790bdadc570abfbaf766530846

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

MD5
6c1b4cac2813540e07e0a9665eed145a

SHA1
6b6a609afa15bc53ba55883139cff88db5e5fcc8

SHA256
5a68f9ddf03ff74628e5886c0722c09d288b251987cbbabe8dd192cdfe71e126

SHA512
d0ca2001b54cb57769be5334036eaa7e05d584afaa11b56dc1003b60fec0d31e88db3a1e894ed7f8791fa1f95b3f9061f779b7790bdadc570abfbaf766530846

Download Submit
memory/1460-132-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/1460-136-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4448-138-0x0000000000000000-mapping.dmp

Download
memory/4668-133-0x0000000000000000-mapping.dmp

Download
memory/4668-137-0x0000000074FD0000-0x0000000075581000-memory.dmp

Filesize
5.7MB

Download
memory/4668-139-0x0000000074FD0000-0x0000000075581000-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