njrat | f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285

General

Target

f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe
Size

176KB
MD5

723bff1cecdb25f0e189903c3da43e37
SHA1

c29c78cb18f1241adc4f5d0586dcd8084fee7bf4
SHA256

f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285
SHA512

7ebd55242947558e39153414620ee92f7e1d6b31331fdb03203e697c1b55c3a5cbbf9c41f837c9fba9b66585b0f8ddddf962fe43712c97d7c8487d9abca4c91f
SSDEEP

3072:2+RL0PoFS5rWGXBbxQx7fV0Gwtu2Bs7RfCAz2ZCnZSftPHuan/n7N/nAh/Q1Y/:HODXxyx504qcxCAyCMxOcn7N/Xe

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

justme10.no-ip.org:1177

Mutex

ed755b81076a7d6243f11a2d30431944

Attributes

reg_key
ed755b81076a7d6243f11a2d30431944
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1900 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

664 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe

pid process

1596 f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe

pid	process
1900	server.exe

pid	process
664	netsh.exe

pid	process
1596	f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\ed755b81076a7d6243f11a2d30431944 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ed755b81076a7d6243f11a2d30431944 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 17 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe
Token: 33	1900	server.exe
Token: SeIncBasePriorityPrivilege	1900	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exeserver.exe

description	pid	process	target process
PID 1596 wrote to memory of 1900	1596	f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe	server.exe
PID 1596 wrote to memory of 1900	1596	f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe	server.exe
PID 1596 wrote to memory of 1900	1596	f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe	server.exe
PID 1596 wrote to memory of 1900	1596	f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe	server.exe
PID 1900 wrote to memory of 664	1900	server.exe	netsh.exe
PID 1900 wrote to memory of 664	1900	server.exe	netsh.exe
PID 1900 wrote to memory of 664	1900	server.exe	netsh.exe
PID 1900 wrote to memory of 664	1900	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe
"C:\Users\Admin\AppData\Local\Temp\f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1900
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:664

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
176KB

MD5
723bff1cecdb25f0e189903c3da43e37

SHA1
c29c78cb18f1241adc4f5d0586dcd8084fee7bf4

SHA256
f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285

SHA512
7ebd55242947558e39153414620ee92f7e1d6b31331fdb03203e697c1b55c3a5cbbf9c41f837c9fba9b66585b0f8ddddf962fe43712c97d7c8487d9abca4c91f

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
176KB

MD5
723bff1cecdb25f0e189903c3da43e37

SHA1
c29c78cb18f1241adc4f5d0586dcd8084fee7bf4

SHA256
f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285

SHA512
7ebd55242947558e39153414620ee92f7e1d6b31331fdb03203e697c1b55c3a5cbbf9c41f837c9fba9b66585b0f8ddddf962fe43712c97d7c8487d9abca4c91f

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
176KB

MD5
723bff1cecdb25f0e189903c3da43e37

SHA1
c29c78cb18f1241adc4f5d0586dcd8084fee7bf4

SHA256
f9594e56757e9ea47d5bf9c197f998c62b81210c5e0d09f48b5c338dd9760285

SHA512
7ebd55242947558e39153414620ee92f7e1d6b31331fdb03203e697c1b55c3a5cbbf9c41f837c9fba9b66585b0f8ddddf962fe43712c97d7c8487d9abca4c91f

Download Submit
memory/664-64-0x0000000000000000-mapping.dmp

Download
memory/1596-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1596-55-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/1596-56-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/1596-62-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/1900-58-0x0000000000000000-mapping.dmp

Download
memory/1900-63-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/1900-66-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads