njrat | 3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d

General

Target

3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe
Size

77KB
MD5

beded2eb7bd6454c76e1aaa660d9dd54
SHA1

613b48bc516415c4b018717e08374c19753617a2
SHA256

3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d
SHA512

5a6480626143db80965eda8e8ec0887fa29485ec9cb855de69e00b80fe989fc0c679dc64577003c39e5a587819da985de26bd9ae49f02b73e6911b55275f6003
SSDEEP

1536:49b5lz0XrCjMMNDFpKUjMnh6GQYYSv3YtRFLxsXIPwuz:O5qXrGMMNe9h6GQTSvYBlAuz

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:

up.exe

pid process

3536 up.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1588 netsh.exe

pid	process
3536	up.exe

pid	process
1588	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:

3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe

Drops startup file 2 IoCs

Processes:

up.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\93b05534b6844a356153151e33a454aa.exe	up.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\93b05534b6844a356153151e33a454aa.exe	up.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

up.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\93b05534b6844a356153151e33a454aa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\up.exe\" .."	up.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\93b05534b6844a356153151e33a454aa = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\up.exe\" .."	up.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 33 IoCs

Processes:

up.exe

description	pid	process
Token: SeDebugPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe
Token: 33	3536	up.exe
Token: SeIncBasePriorityPrivilege	3536	up.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exeup.exe

description	pid	process	target process
PID 3544 wrote to memory of 3536	3544	3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe	up.exe
PID 3544 wrote to memory of 3536	3544	3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe	up.exe
PID 3544 wrote to memory of 3536	3544	3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe	up.exe
PID 3536 wrote to memory of 1588	3536	up.exe	netsh.exe
PID 3536 wrote to memory of 1588	3536	up.exe	netsh.exe
PID 3536 wrote to memory of 1588	3536	up.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe
"C:\Users\Admin\AppData\Local\Temp\3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3544

C:\Users\Admin\AppData\Local\Temp\up.exe
"C:\Users\Admin\AppData\Local\Temp\up.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\up.exe" "up.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1588

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\up.exe
Filesize
77KB

MD5
beded2eb7bd6454c76e1aaa660d9dd54

SHA1
613b48bc516415c4b018717e08374c19753617a2

SHA256
3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d

SHA512
5a6480626143db80965eda8e8ec0887fa29485ec9cb855de69e00b80fe989fc0c679dc64577003c39e5a587819da985de26bd9ae49f02b73e6911b55275f6003

Download Submit
C:\Users\Admin\AppData\Local\Temp\up.exe
Filesize
77KB

MD5
beded2eb7bd6454c76e1aaa660d9dd54

SHA1
613b48bc516415c4b018717e08374c19753617a2

SHA256
3ee18df08f8af7319afda24f357bc9456da5768ae9f136bdbc41dee242e96b7d

SHA512
5a6480626143db80965eda8e8ec0887fa29485ec9cb855de69e00b80fe989fc0c679dc64577003c39e5a587819da985de26bd9ae49f02b73e6911b55275f6003

Download Submit
memory/1588-138-0x0000000000000000-mapping.dmp

Download
memory/3536-133-0x0000000000000000-mapping.dmp

Download
memory/3536-137-0x0000000075320000-0x00000000758D1000-memory.dmp

Filesize
5.7MB

Download
memory/3536-139-0x0000000075320000-0x00000000758D1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-132-0x0000000075320000-0x00000000758D1000-memory.dmp

Filesize
5.7MB

Download
memory/3544-136-0x0000000075320000-0x00000000758D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads