njrat | e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306

General

Target

e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe
Size

163KB
MD5

baf33f6fa9571bd34abe6c5afde6768d
SHA1

0ce0c82e67151840d385819820673c382804cba9
SHA256

e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306
SHA512

bfcc27c47861ba491f0ac9504e6b96aa9bb30f6e45652d3840ae96830d9d29bec17e9b7ac17fc31c0ab04046dfd81c71d40376fbc8004307184bdf77b5d1f5f2
SSDEEP

3072:qcwb0Xp27xCh92rg56gGiDbV2/W36eyjiu8iW:7AAh1DbV2/W36eyuu8N

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

alpha-7.no-ip.biz:5552

Mutex

f3b4549e9273b6cf9b3f02a2ce32bfa0

Attributes

reg_key
f3b4549e9273b6cf9b3f02a2ce32bfa0
splitter
|'|'|

Signatures

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

Processes:

game.exe

pid process

4608 game.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1616 netsh.exe

pid	process
4608	game.exe

pid	process
1616	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:

e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe

Drops startup file 2 IoCs

Processes:

game.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f3b4549e9273b6cf9b3f02a2ce32bfa0.exe	game.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f3b4549e9273b6cf9b3f02a2ce32bfa0.exe	game.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

game.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f3b4549e9273b6cf9b3f02a2ce32bfa0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\game.exe\" .."	game.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\f3b4549e9273b6cf9b3f02a2ce32bfa0 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\game.exe\" .."	game.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

Processes:

game.exe

description	pid	process
Token: SeDebugPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe
Token: 33	4608	game.exe
Token: SeIncBasePriorityPrivilege	4608	game.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exegame.exe

description	pid	process	target process
PID 5088 wrote to memory of 4608	5088	e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe	game.exe
PID 5088 wrote to memory of 4608	5088	e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe	game.exe
PID 5088 wrote to memory of 4608	5088	e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe	game.exe
PID 4608 wrote to memory of 1616	4608	game.exe	netsh.exe
PID 4608 wrote to memory of 1616	4608	game.exe	netsh.exe
PID 4608 wrote to memory of 1616	4608	game.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe
"C:\Users\Admin\AppData\Local\Temp\e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5088

C:\Users\Admin\AppData\Local\Temp\game.exe
"C:\Users\Admin\AppData\Local\Temp\game.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4608

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\game.exe" "game.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1616

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\game.exe
Filesize
163KB

MD5
baf33f6fa9571bd34abe6c5afde6768d

SHA1
0ce0c82e67151840d385819820673c382804cba9

SHA256
e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306

SHA512
bfcc27c47861ba491f0ac9504e6b96aa9bb30f6e45652d3840ae96830d9d29bec17e9b7ac17fc31c0ab04046dfd81c71d40376fbc8004307184bdf77b5d1f5f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\game.exe
Filesize
163KB

MD5
baf33f6fa9571bd34abe6c5afde6768d

SHA1
0ce0c82e67151840d385819820673c382804cba9

SHA256
e57d14f759dcbbeab3b91fff1fd171208ff6b68fe397764821282c57eb4b7306

SHA512
bfcc27c47861ba491f0ac9504e6b96aa9bb30f6e45652d3840ae96830d9d29bec17e9b7ac17fc31c0ab04046dfd81c71d40376fbc8004307184bdf77b5d1f5f2

Download Submit
memory/1616-138-0x0000000000000000-mapping.dmp

Download
memory/4608-133-0x0000000000000000-mapping.dmp

Download
memory/4608-136-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/4608-139-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/5088-132-0x0000000074AC0000-0x0000000075071000-memory.dmp

Filesize
5.7MB

Download
memory/5088-137-0x0000000074AC0000-0x0000000075071000-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