njrat | 9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e

General

Target

9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe
Size

49KB
MD5

0b501df18e007b62d5547315e78c966c
SHA1

bbb6b8207e9d4abea8b185ee1e8109c49f32e529
SHA256

9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e
SHA512

aad4711d44ee2fecfca593e96c2629cc92a55d0ba2ba4f90c39eddcc13aafbc01a19dbdecd3cd56881b186f73fcab5f1c538afa0645ab0ba51f413b98ba4d908
SSDEEP

768:ipe4Aaa6S8Xctg05Is64ifwIbPP+S4DXNNE5Hsic2Gu7UyP24tPuR4bk8pPMEDtz:ipe4ta8XgIxBPmHTE5xe0YR7ckKNn

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

3arabi.ddns.net:1177

Mutex

91876f55cd38de2882ec1620e4d8c699

Attributes

reg_key
91876f55cd38de2882ec1620e4d8c699
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 1 IoCs

pid	Process
1264	server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1332	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\91876f55cd38de2882ec1620e4d8c699.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\91876f55cd38de2882ec1620e4d8c699.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\91876f55cd38de2882ec1620e4d8c699 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\91876f55cd38de2882ec1620e4d8c699 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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

description	pid	Process
Token: SeDebugPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 1264	884	9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe	28
PID 884 wrote to memory of 1264	884	9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe	28
PID 884 wrote to memory of 1264	884	9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe	28
PID 1264 wrote to memory of 1332	1264	server.exe	29
PID 1264 wrote to memory of 1332	1264	server.exe	29
PID 1264 wrote to memory of 1332	1264	server.exe	29

C:\Users\Admin\AppData\Local\Temp\9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe
"C:\Users\Admin\AppData\Local\Temp\9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:884
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1332

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

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Downloads

C:\Users\Admin\AppData\Roaming\server.exe

Filesize
49KB

MD5
0b501df18e007b62d5547315e78c966c

SHA1
bbb6b8207e9d4abea8b185ee1e8109c49f32e529

SHA256
9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e

SHA512
aad4711d44ee2fecfca593e96c2629cc92a55d0ba2ba4f90c39eddcc13aafbc01a19dbdecd3cd56881b186f73fcab5f1c538afa0645ab0ba51f413b98ba4d908

Download Submit
C:\Users\Admin\AppData\Roaming\server.exe

Filesize
49KB

MD5
0b501df18e007b62d5547315e78c966c

SHA1
bbb6b8207e9d4abea8b185ee1e8109c49f32e529

SHA256
9ce152d52a75e3638c7b6f2f5203bb83dd7459ccb4dfc31fa69d8a55381fbf2e

SHA512
aad4711d44ee2fecfca593e96c2629cc92a55d0ba2ba4f90c39eddcc13aafbc01a19dbdecd3cd56881b186f73fcab5f1c538afa0645ab0ba51f413b98ba4d908

Download Submit
memory/884-54-0x0000000000D60000-0x0000000000D72000-memory.dmp

Filesize
72KB

Download
memory/884-55-0x00000000002C0000-0x00000000002C8000-memory.dmp

Filesize
32KB

Download
memory/884-56-0x00000000002E0000-0x00000000002EC000-memory.dmp

Filesize
48KB

Download
memory/884-57-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

Filesize
8KB

Download
memory/1264-61-0x0000000001070000-0x0000000001082000-memory.dmp

Filesize
72KB

Download

Analysis

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