njrat | bbc8cabc1ba4f81d1ee316d3869ed8e61c91840cb533abee708a3099ab196470

General

Target

8533ef6f79e259e9e5fe7c28f1fcd372.exe
Size

227KB
MD5

8533ef6f79e259e9e5fe7c28f1fcd372
SHA1

48c1f9b2a798a374b6e8c2e5fb655c19e5fa2ed3
SHA256

bbc8cabc1ba4f81d1ee316d3869ed8e61c91840cb533abee708a3099ab196470
SHA512

533facb9e64028915336f7a7035e726409279309b05d2cf1e6def878513a85f49a9119f09e53bcc8371ff5bc8f91474b67934773e3c6a7ad12c3778ffa3f2697
SSDEEP

3072:HSuZ00DVrF1rVcCPP+Tl6Ws5cUYTMExjHSTdMTfNlx35eRPG+79IwGrpc:J/2TAcZyOjNlri7Ww

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

h43vipforyou.ddns.net:1177

Mutex

869b16e2825dce24066aba38ee1a9add

Attributes

reg_key
869b16e2825dce24066aba38ee1a9add
splitter
|'|'|

Signatures

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

Processes:

rejdit_free_fire.exe

pid process

1968 rejdit_free_fire.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

204 netsh.exe

pid	process
1968	rejdit_free_fire.exe

pid	process
204	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:

8533ef6f79e259e9e5fe7c28f1fcd372.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8533ef6f79e259e9e5fe7c28f1fcd372.exe

Drops startup file 2 IoCs

Processes:

rejdit_free_fire.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\869b16e2825dce24066aba38ee1a9add.exe	rejdit_free_fire.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\869b16e2825dce24066aba38ee1a9add.exe	rejdit_free_fire.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rejdit_free_fire.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\869b16e2825dce24066aba38ee1a9add = "\"C:\\ProgramData\\rejdit_free_fire.exe\" .."	rejdit_free_fire.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\869b16e2825dce24066aba38ee1a9add = "\"C:\\ProgramData\\rejdit_free_fire.exe\" .."	rejdit_free_fire.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:

rejdit_free_fire.exe

description	pid	process
Token: SeDebugPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe
Token: 33	1968	rejdit_free_fire.exe
Token: SeIncBasePriorityPrivilege	1968	rejdit_free_fire.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8533ef6f79e259e9e5fe7c28f1fcd372.exerejdit_free_fire.exe

description	pid	process	target process
PID 4988 wrote to memory of 1968	4988	8533ef6f79e259e9e5fe7c28f1fcd372.exe	rejdit_free_fire.exe
PID 4988 wrote to memory of 1968	4988	8533ef6f79e259e9e5fe7c28f1fcd372.exe	rejdit_free_fire.exe
PID 4988 wrote to memory of 1968	4988	8533ef6f79e259e9e5fe7c28f1fcd372.exe	rejdit_free_fire.exe
PID 1968 wrote to memory of 204	1968	rejdit_free_fire.exe	netsh.exe
PID 1968 wrote to memory of 204	1968	rejdit_free_fire.exe	netsh.exe
PID 1968 wrote to memory of 204	1968	rejdit_free_fire.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8533ef6f79e259e9e5fe7c28f1fcd372.exe
"C:\Users\Admin\AppData\Local\Temp\8533ef6f79e259e9e5fe7c28f1fcd372.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4988

C:\ProgramData\rejdit_free_fire.exe
"C:\ProgramData\rejdit_free_fire.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\ProgramData\rejdit_free_fire.exe" "rejdit_free_fire.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:204

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\rejdit_free_fire.exe

Filesize
227KB

MD5
8533ef6f79e259e9e5fe7c28f1fcd372

SHA1
48c1f9b2a798a374b6e8c2e5fb655c19e5fa2ed3

SHA256
bbc8cabc1ba4f81d1ee316d3869ed8e61c91840cb533abee708a3099ab196470

SHA512
533facb9e64028915336f7a7035e726409279309b05d2cf1e6def878513a85f49a9119f09e53bcc8371ff5bc8f91474b67934773e3c6a7ad12c3778ffa3f2697

Download Submit
C:\ProgramData\rejdit_free_fire.exe

Filesize
227KB

MD5
8533ef6f79e259e9e5fe7c28f1fcd372

SHA1
48c1f9b2a798a374b6e8c2e5fb655c19e5fa2ed3

SHA256
bbc8cabc1ba4f81d1ee316d3869ed8e61c91840cb533abee708a3099ab196470

SHA512
533facb9e64028915336f7a7035e726409279309b05d2cf1e6def878513a85f49a9119f09e53bcc8371ff5bc8f91474b67934773e3c6a7ad12c3778ffa3f2697

Download Submit
memory/204-138-0x0000000000000000-mapping.dmp

Download
memory/1968-133-0x0000000000000000-mapping.dmp

Download
memory/1968-137-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/1968-139-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/4988-132-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download
memory/4988-136-0x0000000074770000-0x0000000074D21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads