njrat | eb0c3c93ac49a1c20a42fa82c5f1f81c1df01d05a0670342ea974b7d79308856

General

Target

083cf2b8153b97fe12cff304215ec8ac.exe
Size

37KB
MD5

083cf2b8153b97fe12cff304215ec8ac
SHA1

5dc5d20ef9b4b13debbf0db1a4930f14990afa4a
SHA256

eb0c3c93ac49a1c20a42fa82c5f1f81c1df01d05a0670342ea974b7d79308856
SHA512

7bf10e9be2ada50a96cf5d2bd5d907f4521b177913e8759d96c16443c31e69cc752d9fb5e1b265048c311ef9a9e8b810b89ff92710a6a5af4710a40607cfa450
SSDEEP

384:mu+vEiTbZvpWNcZ0y8f1CRDX5CLk6SgprAF+rMRTyN/0L+EcoinblneHQM3epzXI:T+dTZ38f1CRDcNSIrM+rMRa8Nu1Et

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

lynnnaz.ddns.net:1703

Mutex

258c2f365319c9fd509866032c7dc587

Attributes

reg_key
258c2f365319c9fd509866032c7dc587
splitter
|'|'|

Signatures

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

Processes:

WH_cheat.exe

pid process

32 WH_cheat.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

956 netsh.exe

pid	process
32	WH_cheat.exe

pid	process
956	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

083cf2b8153b97fe12cff304215ec8ac.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	083cf2b8153b97fe12cff304215ec8ac.exe

Drops startup file 2 IoCs

Processes:

WH_cheat.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\258c2f365319c9fd509866032c7dc587.exe	WH_cheat.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\258c2f365319c9fd509866032c7dc587.exe	WH_cheat.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WH_cheat.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\258c2f365319c9fd509866032c7dc587 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WH_cheat.exe\" .."	WH_cheat.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\258c2f365319c9fd509866032c7dc587 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WH_cheat.exe\" .."	WH_cheat.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

WH_cheat.exe

description	ioc	process
File created	C:\autorun.inf	WH_cheat.exe
File opened for modification	C:\autorun.inf	WH_cheat.exe
File created	D:\autorun.inf	WH_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 33 IoCs

Processes:

WH_cheat.exe

description	pid	process
Token: SeDebugPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe
Token: 33	32	WH_cheat.exe
Token: SeIncBasePriorityPrivilege	32	WH_cheat.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

083cf2b8153b97fe12cff304215ec8ac.exeWH_cheat.exe

description	pid	process	target process
PID 4204 wrote to memory of 32	4204	083cf2b8153b97fe12cff304215ec8ac.exe	WH_cheat.exe
PID 4204 wrote to memory of 32	4204	083cf2b8153b97fe12cff304215ec8ac.exe	WH_cheat.exe
PID 4204 wrote to memory of 32	4204	083cf2b8153b97fe12cff304215ec8ac.exe	WH_cheat.exe
PID 32 wrote to memory of 956	32	WH_cheat.exe	netsh.exe
PID 32 wrote to memory of 956	32	WH_cheat.exe	netsh.exe
PID 32 wrote to memory of 956	32	WH_cheat.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\083cf2b8153b97fe12cff304215ec8ac.exe
"C:\Users\Admin\AppData\Local\Temp\083cf2b8153b97fe12cff304215ec8ac.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4204

C:\Users\Admin\AppData\Local\Temp\WH_cheat.exe
"C:\Users\Admin\AppData\Local\Temp\WH_cheat.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:32

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WH_cheat.exe" "WH_cheat.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\WH_cheat.exe
Filesize
37KB

MD5
083cf2b8153b97fe12cff304215ec8ac

SHA1
5dc5d20ef9b4b13debbf0db1a4930f14990afa4a

SHA256
eb0c3c93ac49a1c20a42fa82c5f1f81c1df01d05a0670342ea974b7d79308856

SHA512
7bf10e9be2ada50a96cf5d2bd5d907f4521b177913e8759d96c16443c31e69cc752d9fb5e1b265048c311ef9a9e8b810b89ff92710a6a5af4710a40607cfa450

Download Submit
C:\Users\Admin\AppData\Local\Temp\WH_cheat.exe
Filesize
37KB

MD5
083cf2b8153b97fe12cff304215ec8ac

SHA1
5dc5d20ef9b4b13debbf0db1a4930f14990afa4a

SHA256
eb0c3c93ac49a1c20a42fa82c5f1f81c1df01d05a0670342ea974b7d79308856

SHA512
7bf10e9be2ada50a96cf5d2bd5d907f4521b177913e8759d96c16443c31e69cc752d9fb5e1b265048c311ef9a9e8b810b89ff92710a6a5af4710a40607cfa450

Download Submit
memory/32-133-0x0000000000000000-mapping.dmp

Download
memory/32-136-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/32-139-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/956-138-0x0000000000000000-mapping.dmp

Download
memory/4204-132-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/4204-137-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads