njrat | 0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833

General

Target

0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe
Size

23KB
MD5

73cdd5fe67c5346241667dbea3bfd190
SHA1

f7ac6aabe77ec3138d6b06a0232b79ba19d3f9bb
SHA256

0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833
SHA512

69bbf7d4a8b49c592455fb787757f3cff5e8dbc657572d90cd54549996d9e5d0d2527dffeceec4a26d0cb39826383222fd52743a7f5491642597b8bc652ebadf
SSDEEP

384:tMXowTH9mvaOpKYjpQE3sMYlSsLhUM0seTL3PhOdcL+khY:t9wTHgvZwOQE3sRlBViPA4dhY

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

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

Processes:

server.exe

pid process

3424 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1456 netsh.exe

pid	process
3424	server.exe

pid	process
1456	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:

0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.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\808983f3a6a4ff62351f84ab1d6d7203 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\808983f3a6a4ff62351f84ab1d6d7203 = "\"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 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe
Token: 33	3424	server.exe
Token: SeIncBasePriorityPrivilege	3424	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exeserver.exe

description	pid	process	target process
PID 4368 wrote to memory of 3424	4368	0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe	server.exe
PID 4368 wrote to memory of 3424	4368	0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe	server.exe
PID 3424 wrote to memory of 1456	3424	server.exe	netsh.exe
PID 3424 wrote to memory of 1456	3424	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe
"C:\Users\Admin\AppData\Local\Temp\0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4368

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1456

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\server.exe
Filesize
23KB

MD5
73cdd5fe67c5346241667dbea3bfd190

SHA1
f7ac6aabe77ec3138d6b06a0232b79ba19d3f9bb

SHA256
0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833

SHA512
69bbf7d4a8b49c592455fb787757f3cff5e8dbc657572d90cd54549996d9e5d0d2527dffeceec4a26d0cb39826383222fd52743a7f5491642597b8bc652ebadf

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

MD5
73cdd5fe67c5346241667dbea3bfd190

SHA1
f7ac6aabe77ec3138d6b06a0232b79ba19d3f9bb

SHA256
0b3702d8be5da7b9ad650962389ac0a3623ccfbac57a27fe3230c88e66534833

SHA512
69bbf7d4a8b49c592455fb787757f3cff5e8dbc657572d90cd54549996d9e5d0d2527dffeceec4a26d0cb39826383222fd52743a7f5491642597b8bc652ebadf

Download Submit
memory/1456-139-0x0000000000000000-mapping.dmp

Download
memory/3424-134-0x0000000000000000-mapping.dmp

Download
memory/3424-138-0x00007FFC48130000-0x00007FFC48BF1000-memory.dmp

Filesize
10.8MB

Download
memory/3424-140-0x00007FFC48130000-0x00007FFC48BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4368-132-0x0000000000D70000-0x0000000000D7C000-memory.dmp

Filesize
48KB

Download
memory/4368-133-0x00007FFC48130000-0x00007FFC48BF1000-memory.dmp

Filesize
10.8MB

Download
memory/4368-137-0x00007FFC48130000-0x00007FFC48BF1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads