njrat | 05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a

General

Target

05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe
Size

863KB
MD5

f5df22a0a21deb1bae571555826e9076
SHA1

f5621b1ee4d1466c06a2a137d46015107aa2855a
SHA256

05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a
SHA512

800d0d564ed89944f6cee9c3bb3cbee991b12db644f55ed95afc42faa1f58dba208d66187392a50f53b6380ca6c2f1e1fa509d510caccecad842851b5779ef3e

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.10.10:5552

Mutex

0dc24807523d3cd24b54cd0996e4c49b

Attributes

reg_key
0dc24807523d3cd24b54cd0996e4c49b
splitter
|'|'|

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

2462.exeserver.exe

pid process

492 2462.exe
1528 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
492	2462.exe
1528	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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.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:

server.exe

description	pid	process
Token: SeDebugPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe
Token: 33	1528	server.exe
Token: SeIncBasePriorityPrivilege	1528	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe2462.exeserver.exe

description	pid	process	target process
PID 900 wrote to memory of 492	900	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe	2462.exe
PID 900 wrote to memory of 492	900	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe	2462.exe
PID 900 wrote to memory of 492	900	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe	2462.exe
PID 492 wrote to memory of 1528	492	2462.exe	server.exe
PID 492 wrote to memory of 1528	492	2462.exe	server.exe
PID 492 wrote to memory of 1528	492	2462.exe	server.exe
PID 1528 wrote to memory of 3728	1528	server.exe	netsh.exe
PID 1528 wrote to memory of 3728	1528	server.exe	netsh.exe
PID 1528 wrote to memory of 3728	1528	server.exe	netsh.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe

C:\Users\Admin\AppData\Local\Temp\05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe
"C:\Users\Admin\AppData\Local\Temp\05df8d39bcf7d65dbedad8a9c01f2b225058a3933373cfee185831791f21de9a.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:900

C:\Users\Admin\AppData\Local\Temp\2462\2462.exe
"C:\Users\Admin\AppData\Local\Temp\2462\2462.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:492

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
4⤵
PID:3728

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

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2462\2462.exe
MD5
22075825a0c6b41333bfb33cc92a6bb1

SHA1
885b89442e1a9c351e55387274bcda2239250283

SHA256
e8eb5754f51a3d09d0e6e7dc8ab6ac49ddaabb8da0edbe91ce08b332fae0cd7f

SHA512
8d6d521005d387bb8142a7db6d5e24ac05ab95af0a67eb7d79095dc08dc0a698b70689634a4fa3b1552e160428e0f51d430c577eaceb8b5d8a1507632d4735a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2462\2462.exe
MD5
22075825a0c6b41333bfb33cc92a6bb1

SHA1
885b89442e1a9c351e55387274bcda2239250283

SHA256
e8eb5754f51a3d09d0e6e7dc8ab6ac49ddaabb8da0edbe91ce08b332fae0cd7f

SHA512
8d6d521005d387bb8142a7db6d5e24ac05ab95af0a67eb7d79095dc08dc0a698b70689634a4fa3b1552e160428e0f51d430c577eaceb8b5d8a1507632d4735a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
22075825a0c6b41333bfb33cc92a6bb1

SHA1
885b89442e1a9c351e55387274bcda2239250283

SHA256
e8eb5754f51a3d09d0e6e7dc8ab6ac49ddaabb8da0edbe91ce08b332fae0cd7f

SHA512
8d6d521005d387bb8142a7db6d5e24ac05ab95af0a67eb7d79095dc08dc0a698b70689634a4fa3b1552e160428e0f51d430c577eaceb8b5d8a1507632d4735a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
22075825a0c6b41333bfb33cc92a6bb1

SHA1
885b89442e1a9c351e55387274bcda2239250283

SHA256
e8eb5754f51a3d09d0e6e7dc8ab6ac49ddaabb8da0edbe91ce08b332fae0cd7f

SHA512
8d6d521005d387bb8142a7db6d5e24ac05ab95af0a67eb7d79095dc08dc0a698b70689634a4fa3b1552e160428e0f51d430c577eaceb8b5d8a1507632d4735a6

Download Submit
memory/492-114-0x0000000000000000-mapping.dmp

Download
memory/492-117-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/1528-118-0x0000000000000000-mapping.dmp

Download
memory/1528-121-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/3728-122-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads