njrat | 1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759

General

Target

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
Size

188KB
MD5

10d3c80cd58214bdb6f8a7cd38b058a1
SHA1

d5a319c69d2323dd9890bb4f6e7bd85c0b8c2697
SHA256

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759
SHA512

34a34586f60ad251e96848589351c95c80e6ea1dc8c22e37c006d8e2c5ce85947cf2b942658061bb42885f23be9c339ce7cdf2059d553a9d880b4ebe73223645
SSDEEP

3072:TDYGtp8ttt8f48aSokhUtuxyK+pa++iybxCt10Oiy3CWRJBPleyHsxq/:IGT48aSvODv+i4xC30Dy3CWRJJleyHk

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

slowburn.linkpc.net:6760

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1160 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

pid process

276 1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

pid	process
1160	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZSpPXeSdyv = "C:\\Users\\Admin\\AppData\\Roaming\\nSZN14nS\\oc81gcD.exe.lnk"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

description	pid	process	target process
PID 276 set thread context of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.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 15 IoCs

Processes:

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

pid	process
276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

description	pid	process
Token: SeDebugPrivilege	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
Token: SeDebugPrivilege	1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.execmd.exe1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe

description	pid	process	target process
PID 276 wrote to memory of 2024	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	cmd.exe
PID 276 wrote to memory of 2024	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	cmd.exe
PID 276 wrote to memory of 2024	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	cmd.exe
PID 276 wrote to memory of 2024	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	cmd.exe
PID 2024 wrote to memory of 1980	2024	cmd.exe	reg.exe
PID 2024 wrote to memory of 1980	2024	cmd.exe	reg.exe
PID 2024 wrote to memory of 1980	2024	cmd.exe	reg.exe
PID 2024 wrote to memory of 1980	2024	cmd.exe	reg.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 276 wrote to memory of 1008	276	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
PID 1008 wrote to memory of 1160	1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	netsh.exe
PID 1008 wrote to memory of 1160	1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	netsh.exe
PID 1008 wrote to memory of 1160	1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	netsh.exe
PID 1008 wrote to memory of 1160	1008	1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
"C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:276

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "ZSpPXeSdyv" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nSZN14nS\oc81gcD.exe.lnk"
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "ZSpPXeSdyv" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\nSZN14nS\oc81gcD.exe.lnk"
3⤵
- Adds Run key to start application
PID:1980

C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe
"C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe" "1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1160

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\nSZN14nS\oc81gcD.exe

Filesize
188KB

MD5
10d3c80cd58214bdb6f8a7cd38b058a1

SHA1
d5a319c69d2323dd9890bb4f6e7bd85c0b8c2697

SHA256
1f3aafcfa0f56068dfbf368cbafcf4382382d383bdd332b503e8d68563b81759

SHA512
34a34586f60ad251e96848589351c95c80e6ea1dc8c22e37c006d8e2c5ce85947cf2b942658061bb42885f23be9c339ce7cdf2059d553a9d880b4ebe73223645

Download Submit
memory/276-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

Filesize
8KB

Download
memory/276-55-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/276-56-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/276-72-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1008-68-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-73-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1008-65-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-66-0x0000000000408AFE-mapping.dmp

Download
memory/1008-63-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-61-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-60-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-77-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1008-70-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1008-74-0x00000000742E0000-0x000000007488B000-memory.dmp

Filesize
5.7MB

Download
memory/1008-64-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1160-75-0x0000000000000000-mapping.dmp

Download
memory/1980-59-0x0000000000000000-mapping.dmp

Download
memory/2024-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads