njrat | eb7b4bb8bdbd8f176f035ffaa55c607595638cc289ceca5e4df9636a70f517e0

General

Target

f3b94012_extracted.exe
Size

23KB
MD5

c7dbecf69ab308b7fd2c863f2d52fc03
SHA1

8b61bd4e0c169dd50c5c84936f8d2d2b9b9ef2cb
SHA256

eb7b4bb8bdbd8f176f035ffaa55c607595638cc289ceca5e4df9636a70f517e0
SHA512

f06e545169903bf42886e9cc20a9e7b722a713460df64312de46bf35b29b5b1099f44f6f95b1f17c0e86dbe18705cfd2394abcda35e83672776a89cb08152751

Score

10^/10

njrat $$$$$$fucking evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

$$$$$$Fucking

C2

whmfix009.cf:5409

Mutex

f6a7c83d337d940f548e06019597f0a2

Attributes

reg_key
f6a7c83d337d940f548e06019597f0a2
splitter
|'|'|

Signatures

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

Processes:

cAQzTs.exe

pid process

1260 cAQzTs.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1260	cAQzTs.exe

Drops startup file 2 IoCs

Processes:

cAQzTs.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f6a7c83d337d940f548e06019597f0a2.exe	cAQzTs.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f6a7c83d337d940f548e06019597f0a2.exe	cAQzTs.exe

Loads dropped DLL 1 IoCs

Processes:

f3b94012_extracted.exe

pid process

1752 f3b94012_extracted.exe

pid	process
1752	f3b94012_extracted.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cAQzTs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\f6a7c83d337d940f548e06019597f0a2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\cAQzTs.exe\" .."	cAQzTs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f6a7c83d337d940f548e06019597f0a2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\cAQzTs.exe\" .."	cAQzTs.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 31 IoCs

Processes:

cAQzTs.exe

description	pid	process
Token: SeDebugPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe
Token: 33	1260	cAQzTs.exe
Token: SeIncBasePriorityPrivilege	1260	cAQzTs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f3b94012_extracted.execAQzTs.exe

description	pid	process	target process
PID 1752 wrote to memory of 1260	1752	f3b94012_extracted.exe	cAQzTs.exe
PID 1752 wrote to memory of 1260	1752	f3b94012_extracted.exe	cAQzTs.exe
PID 1752 wrote to memory of 1260	1752	f3b94012_extracted.exe	cAQzTs.exe
PID 1752 wrote to memory of 1260	1752	f3b94012_extracted.exe	cAQzTs.exe
PID 1260 wrote to memory of 1324	1260	cAQzTs.exe	netsh.exe
PID 1260 wrote to memory of 1324	1260	cAQzTs.exe	netsh.exe
PID 1260 wrote to memory of 1324	1260	cAQzTs.exe	netsh.exe
PID 1260 wrote to memory of 1324	1260	cAQzTs.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f3b94012_extracted.exe
"C:\Users\Admin\AppData\Local\Temp\f3b94012_extracted.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Roaming\cAQzTs.exe
"C:\Users\Admin\AppData\Roaming\cAQzTs.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\cAQzTs.exe" "cAQzTs.exe" ENABLE
3⤵
PID:1324

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

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Downloads

C:\Users\Admin\AppData\Roaming\cAQzTs.exe
MD5
c7dbecf69ab308b7fd2c863f2d52fc03

SHA1
8b61bd4e0c169dd50c5c84936f8d2d2b9b9ef2cb

SHA256
eb7b4bb8bdbd8f176f035ffaa55c607595638cc289ceca5e4df9636a70f517e0

SHA512
f06e545169903bf42886e9cc20a9e7b722a713460df64312de46bf35b29b5b1099f44f6f95b1f17c0e86dbe18705cfd2394abcda35e83672776a89cb08152751

Download Submit
C:\Users\Admin\AppData\Roaming\cAQzTs.exe
MD5
c7dbecf69ab308b7fd2c863f2d52fc03

SHA1
8b61bd4e0c169dd50c5c84936f8d2d2b9b9ef2cb

SHA256
eb7b4bb8bdbd8f176f035ffaa55c607595638cc289ceca5e4df9636a70f517e0

SHA512
f06e545169903bf42886e9cc20a9e7b722a713460df64312de46bf35b29b5b1099f44f6f95b1f17c0e86dbe18705cfd2394abcda35e83672776a89cb08152751

Download Submit
\Users\Admin\AppData\Roaming\cAQzTs.exe
MD5
c7dbecf69ab308b7fd2c863f2d52fc03

SHA1
8b61bd4e0c169dd50c5c84936f8d2d2b9b9ef2cb

SHA256
eb7b4bb8bdbd8f176f035ffaa55c607595638cc289ceca5e4df9636a70f517e0

SHA512
f06e545169903bf42886e9cc20a9e7b722a713460df64312de46bf35b29b5b1099f44f6f95b1f17c0e86dbe18705cfd2394abcda35e83672776a89cb08152751

Download Submit
memory/1260-5-0x0000000000000000-mapping.dmp

Download
memory/1260-9-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/1324-10-0x0000000000000000-mapping.dmp

Download
memory/1752-2-0x0000000075EB1000-0x0000000075EB3000-memory.dmp

Filesize
8KB

Download
memory/1752-3-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads