njrat | 22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7

General

Target

22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe
Size

23KB
MD5

41f484184aeefc393ba62b04f3fbe940
SHA1

91f26bbe1141432de96deba534c08a542ac4386e
SHA256

22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7
SHA512

0b6e8d7681090e24138b3ee8ad3f44712a497f9d9c6e6f6aa0e9f26a82c47b5ee2de5404dcc19b0abbbe4717a6ca4ff04110dfdd44c1a7dd84b35f0a5bfaaaf8
SSDEEP

384:aweXCQIreJig/8Z7SS1fEBpng6tgL2IBPZVmRvR6JZlbw8hqIusZzZq+6:FLq411eRpcnud

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

mohammed29928.ddns.net:5552

Mutex

29867abf0d27f9d1f7944939dd33f982

Attributes

reg_key
29867abf0d27f9d1f7944939dd33f982
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

216 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

3148 netsh.exe

pid	process
216	server.exe

pid	process
3148	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:

22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\29867abf0d27f9d1f7944939dd33f982.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\29867abf0d27f9d1f7944939dd33f982.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\29867abf0d27f9d1f7944939dd33f982 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\29867abf0d27f9d1f7944939dd33f982 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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:

server.exe

description	pid	process
Token: SeDebugPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe
Token: 33	216	server.exe
Token: SeIncBasePriorityPrivilege	216	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exeserver.exe

description	pid	process	target process
PID 2356 wrote to memory of 216	2356	22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe	server.exe
PID 2356 wrote to memory of 216	2356	22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe	server.exe
PID 2356 wrote to memory of 216	2356	22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe	server.exe
PID 216 wrote to memory of 3148	216	server.exe	netsh.exe
PID 216 wrote to memory of 3148	216	server.exe	netsh.exe
PID 216 wrote to memory of 3148	216	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe
"C:\Users\Admin\AppData\Local\Temp\22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2356

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:216

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:3148

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
41f484184aeefc393ba62b04f3fbe940

SHA1
91f26bbe1141432de96deba534c08a542ac4386e

SHA256
22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7

SHA512
0b6e8d7681090e24138b3ee8ad3f44712a497f9d9c6e6f6aa0e9f26a82c47b5ee2de5404dcc19b0abbbe4717a6ca4ff04110dfdd44c1a7dd84b35f0a5bfaaaf8

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
41f484184aeefc393ba62b04f3fbe940

SHA1
91f26bbe1141432de96deba534c08a542ac4386e

SHA256
22de0c7cb2ce9b7f3e5fc6944bda2454c13d1e57476b0b7cfc835d3b4edf6cb7

SHA512
0b6e8d7681090e24138b3ee8ad3f44712a497f9d9c6e6f6aa0e9f26a82c47b5ee2de5404dcc19b0abbbe4717a6ca4ff04110dfdd44c1a7dd84b35f0a5bfaaaf8

Download Submit
memory/216-133-0x0000000000000000-mapping.dmp

Download
memory/216-137-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/216-139-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/2356-132-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/2356-136-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/3148-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads