njrat | 5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9

General

Target

5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe
Size

126KB
MD5

9421d7d2040766d4936991a7e77e7ef8
SHA1

bc60ddd04c8609601b632e60ad2dfc12192210e7
SHA256

5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9
SHA512

4f7fb1ffd162d4960041bdd5d0b36cf19021b94485601d4ff8b6acd2e541f4698ed589f548c922f0ae6af25204aa260241634b1ee7d624d11c62478fca408864
SSDEEP

3072:aNc+n2md+C1W50vmTv9Z3KFFPloxnLZxQFG+s2tU:aNb7Ok4Z3KPPl2baG+nt

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

UCPL.exe

pid process

4848 UCPL.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4408 netsh.exe

pid	process
4848	UCPL.exe

pid	process
4408	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:

5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

UCPL.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\13d0723d42b9dd091a4dd32bd1c56caa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\UCPL.exe\" .."	UCPL.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\13d0723d42b9dd091a4dd32bd1c56caa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\UCPL.exe\" .."	UCPL.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 25 IoCs

Processes:

UCPL.exe

description	pid	process
Token: SeDebugPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe
Token: 33	4848	UCPL.exe
Token: SeIncBasePriorityPrivilege	4848	UCPL.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exeUCPL.exe

description	pid	process	target process
PID 1480 wrote to memory of 4848	1480	5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe	UCPL.exe
PID 1480 wrote to memory of 4848	1480	5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe	UCPL.exe
PID 4848 wrote to memory of 4408	4848	UCPL.exe	netsh.exe
PID 4848 wrote to memory of 4408	4848	UCPL.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe
"C:\Users\Admin\AppData\Local\Temp\5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1480

C:\Users\Admin\AppData\Local\Temp\UCPL.exe
"C:\Users\Admin\AppData\Local\Temp\UCPL.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4848

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\UCPL.exe" "UCPL.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4408

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\UCPL.exe
Filesize
126KB

MD5
9421d7d2040766d4936991a7e77e7ef8

SHA1
bc60ddd04c8609601b632e60ad2dfc12192210e7

SHA256
5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9

SHA512
4f7fb1ffd162d4960041bdd5d0b36cf19021b94485601d4ff8b6acd2e541f4698ed589f548c922f0ae6af25204aa260241634b1ee7d624d11c62478fca408864

Download Submit
C:\Users\Admin\AppData\Local\Temp\UCPL.exe
Filesize
126KB

MD5
9421d7d2040766d4936991a7e77e7ef8

SHA1
bc60ddd04c8609601b632e60ad2dfc12192210e7

SHA256
5af30be7a6a46eb6fb41d2afe308246ec7d175c2b909f5c455f89ba6c41e28f9

SHA512
4f7fb1ffd162d4960041bdd5d0b36cf19021b94485601d4ff8b6acd2e541f4698ed589f548c922f0ae6af25204aa260241634b1ee7d624d11c62478fca408864

Download Submit
memory/1480-132-0x00000000005A0000-0x00000000005C8000-memory.dmp

Filesize
160KB

Download
memory/1480-133-0x00007FFB75360000-0x00007FFB75E21000-memory.dmp

Filesize
10.8MB

Download
memory/1480-134-0x00007FFB75360000-0x00007FFB75E21000-memory.dmp

Filesize
10.8MB

Download
memory/1480-139-0x00007FFB75360000-0x00007FFB75E21000-memory.dmp

Filesize
10.8MB

Download
memory/4408-141-0x0000000000000000-mapping.dmp

Download
memory/4848-135-0x0000000000000000-mapping.dmp

Download
memory/4848-138-0x00007FFB75360000-0x00007FFB75E21000-memory.dmp

Filesize
10.8MB

Download
memory/4848-140-0x00007FFB75360000-0x00007FFB75E21000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads