njrat | 1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf

Resubmissions

31/03/2025, 16:33

250331-t2pzlatvdy 10

11/11/2020, 11:16

201111-3sqec5lagn 10

Analysis

max time kernel
151s
max time network
152s
platform
windows7_x64
resource
win7v20201028
submitted
11/11/2020, 11:16

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General

Target

1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe
Size

23KB
MD5

c68fa9e0a6c46464ffc55536e04cd0cb
SHA1

46a01b1c1ed07b403704595b54da788f87758fba
SHA256

1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf
SHA512

89c31eeba8ae22d34496584ddc4671e4b21f83ed54e16cd3e7f66fedd36dffa1915e7d2fbfcdf7cce4bf03d68cb77d53e7f03a6b42aa796bd35f506ce2952387

Score

10^/10

njrat cheat evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

cheat

4.tcp.ngrok.io:19451

Mutex

efea00bfd82100063e3ba5f5434189d9

Attributes

reg_key
efea00bfd82100063e3ba5f5434189d9
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1784	cheat.exe

Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

Loads dropped DLL 1 IoCs

pid	Process
1876	1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\efea00bfd82100063e3ba5f5434189d9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cheat.exe\" .."	cheat.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\efea00bfd82100063e3ba5f5434189d9 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cheat.exe\" .."	cheat.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 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe
Token: 33	1784	cheat.exe
Token: SeIncBasePriorityPrivilege	1784	cheat.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1784	1876	1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe	29
PID 1876 wrote to memory of 1784	1876	1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe	29
PID 1876 wrote to memory of 1784	1876	1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe	29
PID 1876 wrote to memory of 1784	1876	1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe	29
PID 1784 wrote to memory of 1300	1784	cheat.exe	30
PID 1784 wrote to memory of 1300	1784	cheat.exe	30
PID 1784 wrote to memory of 1300	1784	cheat.exe	30
PID 1784 wrote to memory of 1300	1784	cheat.exe	30

C:\Users\Admin\AppData\Local\Temp\1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe
"C:\Users\Admin\AppData\Local\Temp\1b6f1fe005004eb302cc536bdb4841e2224ca706a9e6ed04ebc7cb86c4bb6ebf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Users\Admin\AppData\Local\Temp\cheat.exe
  "C:\Users\Admin\AppData\Local\Temp\cheat.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\cheat.exe" "cheat.exe" ENABLE
    3⤵
    PID:1300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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