njrat | ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190

General

Target

ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe
Size

219KB
MD5

5f6d7a07a69f9a96f48e69d8cde2160f
SHA1

60735f0b53017b000a7dc07c528f94b4615c4a9a
SHA256

ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190
SHA512

f7c802bc1165a4691d75a68dc876ce80ed3b455b6d900a7a22762a1aa3cfdeccf842aa093720c99195813c79069af9f05f412fe2b1f2cc953b0461f819a18ea4
SSDEEP

3072:G538xVrxLIQ/j69ZAmqVFtVNhGKxZRGOFhhnbz/OWjuiQQh/GjUFzAtdho0BxA:GV8xLIQ/j6TIZNhGWaOF33OWSk9FzA9

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hacked

C2

kissme1988.no-ip.biz:5552

Mutex

dc57475995c921da5a2603cdc0101794

Attributes

reg_key
dc57475995c921da5a2603cdc0101794
splitter
|'|'|

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1992	1.exe
1224	systemBL.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
336	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dc57475995c921da5a2603cdc0101794.exe	systemBL.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	1.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dc57475995c921da5a2603cdc0101794 = "\"C:\\Users\\Admin\\AppData\\Roaming\\systemBL.exe\" .."	systemBL.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 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe
Token: 33	1224	systemBL.exe
Token: SeIncBasePriorityPrivilege	1224	systemBL.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1992	2024	ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe	28
PID 2024 wrote to memory of 1992	2024	ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe	28
PID 2024 wrote to memory of 1992	2024	ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe	28
PID 2024 wrote to memory of 1992	2024	ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe	28
PID 1992 wrote to memory of 1224	1992	1.exe	29
PID 1992 wrote to memory of 1224	1992	1.exe	29
PID 1992 wrote to memory of 1224	1992	1.exe	29
PID 1992 wrote to memory of 1224	1992	1.exe	29
PID 1224 wrote to memory of 336	1224	systemBL.exe	30
PID 1224 wrote to memory of 336	1224	systemBL.exe	30
PID 1224 wrote to memory of 336	1224	systemBL.exe	30
PID 1224 wrote to memory of 336	1224	systemBL.exe	30

C:\Users\Admin\AppData\Local\Temp\ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe
"C:\Users\Admin\AppData\Local\Temp\ac37ddbb2e053be6e50541a18b931833624e414726c0bafb9f46b0bb2b0ba190.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\1.exe
  C:\Users\Admin\AppData\Local\Temp\1.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Users\Admin\AppData\Roaming\systemBL.exe
    "C:\Users\Admin\AppData\Roaming\systemBL.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1224
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\systemBL.exe" "systemBL.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:336

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\Local\Temp\1.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
C:\Users\Admin\AppData\Local\Temp\1.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

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

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

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

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
\Users\Admin\AppData\Roaming\systemBL.exe

Filesize
23KB

MD5
9c480814d52d00cddc8a228e3a700175

SHA1
e7c78acef70734e8555bbf136cfd2b864ec8f2bf

SHA256
d4b79df1194c74f4d7b4d9abfaa78e316835a596881e7145cbaecc197fa2847c

SHA512
1e732e2a537ba952febf5be039db77f024afced0886d17fb009098ba730976a1efb03edfa415e730d876bd746778524e76dd31e52786c81fd505c47b83d2a202

Download Submit
memory/1224-66-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/1224-69-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-58-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/1992-59-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-65-0x0000000074E10000-0x00000000753BB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-54-0x00000000008B0000-0x00000000008EE000-memory.dmp

Filesize
248KB

Download

Analysis

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