njrat | 82288ca14a5ceabe47cf3930d57f897ea719934888974b55d4f0a223b84cfdbb

General

Target

c71a104f13cb7d0daa40cb163f93a5b1.exe
Size

23KB
MD5

c71a104f13cb7d0daa40cb163f93a5b1
SHA1

14de80ea9bc93b73b2f73ddc290154c4ac600428
SHA256

82288ca14a5ceabe47cf3930d57f897ea719934888974b55d4f0a223b84cfdbb
SHA512

cabf8374e4882551cf1e0a1b83ab4d04d31d6594495f2bafc083c639c71f29adb7bf4a0632ff2664c53c8d68ebfe024044ea43ff765e814eb0c25e5325f0b62b
SSDEEP

384:cdc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZwT:c3e9EJLN/yRpcnu9

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

0.tcp.sa.ngrok.io:13904

Mutex

cefdd2ccdf66b444840bef15a4ceda70

Attributes

reg_key
cefdd2ccdf66b444840bef15a4ceda70
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
828	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1264	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1640	c71a104f13cb7d0daa40cb163f93a5b1.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-1-5-21-3518257231-2980324860-1431329550-1000\Software\Microsoft\Windows\CurrentVersion\Run\cefdd2ccdf66b444840bef15a4ceda70 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cefdd2ccdf66b444840bef15a4ceda70 = "\"C:\\Users\\Admin\\AppData\\Roaming\\server.exe\" .."	server.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 21 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
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe
Token: 33	1264	server.exe
Token: SeIncBasePriorityPrivilege	1264	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1264	1640	c71a104f13cb7d0daa40cb163f93a5b1.exe	26
PID 1640 wrote to memory of 1264	1640	c71a104f13cb7d0daa40cb163f93a5b1.exe	26
PID 1640 wrote to memory of 1264	1640	c71a104f13cb7d0daa40cb163f93a5b1.exe	26
PID 1640 wrote to memory of 1264	1640	c71a104f13cb7d0daa40cb163f93a5b1.exe	26
PID 1264 wrote to memory of 828	1264	server.exe	27
PID 1264 wrote to memory of 828	1264	server.exe	27
PID 1264 wrote to memory of 828	1264	server.exe	27
PID 1264 wrote to memory of 828	1264	server.exe	27

C:\Users\Admin\AppData\Local\Temp\c71a104f13cb7d0daa40cb163f93a5b1.exe
"C:\Users\Admin\AppData\Local\Temp\c71a104f13cb7d0daa40cb163f93a5b1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Roaming\server.exe
  "C:\Users\Admin\AppData\Roaming\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:828

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

Web Service

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
23KB

MD5
c71a104f13cb7d0daa40cb163f93a5b1

SHA1
14de80ea9bc93b73b2f73ddc290154c4ac600428

SHA256
82288ca14a5ceabe47cf3930d57f897ea719934888974b55d4f0a223b84cfdbb

SHA512
cabf8374e4882551cf1e0a1b83ab4d04d31d6594495f2bafc083c639c71f29adb7bf4a0632ff2664c53c8d68ebfe024044ea43ff765e814eb0c25e5325f0b62b

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

Filesize
23KB

MD5
c71a104f13cb7d0daa40cb163f93a5b1

SHA1
14de80ea9bc93b73b2f73ddc290154c4ac600428

SHA256
82288ca14a5ceabe47cf3930d57f897ea719934888974b55d4f0a223b84cfdbb

SHA512
cabf8374e4882551cf1e0a1b83ab4d04d31d6594495f2bafc083c639c71f29adb7bf4a0632ff2664c53c8d68ebfe024044ea43ff765e814eb0c25e5325f0b62b

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

Filesize
23KB

MD5
c71a104f13cb7d0daa40cb163f93a5b1

SHA1
14de80ea9bc93b73b2f73ddc290154c4ac600428

SHA256
82288ca14a5ceabe47cf3930d57f897ea719934888974b55d4f0a223b84cfdbb

SHA512
cabf8374e4882551cf1e0a1b83ab4d04d31d6594495f2bafc083c639c71f29adb7bf4a0632ff2664c53c8d68ebfe024044ea43ff765e814eb0c25e5325f0b62b

Download Submit
memory/1264-62-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1264-63-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1640-54-0x00000000021B0000-0x00000000021F0000-memory.dmp

Filesize
256KB

Download

Analysis

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