njrat | 85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178

General

Target

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
Size

863KB
MD5

00901973d7b977e5b42f14a629149f5b
SHA1

5b8a37c6bacd8157b2f7fb0a8d737ae6e29d31cb
SHA256

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178
SHA512

99119c74fc8b597a9817b696efcc59b05abbaa8f1c4e29a458817847bdd85040110b5413b4121b7c49d892cd123d7993969ffd8a1529befc2705169624ac3e96

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:

1861.exeserver.exe

pid process

836 1861.exe
1472 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
836	1861.exe
1472	server.exe

Loads dropped DLL 4 IoCs

Processes:

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe1861.exe

pid	process
1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
836	1861.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-1-5-21-3456797065-1076791440-4146276586-1000\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:

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.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	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe
Token: 33	1472	server.exe
Token: SeIncBasePriorityPrivilege	1472	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe1861.exeserver.exe

description	pid	process	target process
PID 1768 wrote to memory of 836	1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe	1861.exe
PID 1768 wrote to memory of 836	1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe	1861.exe
PID 1768 wrote to memory of 836	1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe	1861.exe
PID 1768 wrote to memory of 836	1768	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe	1861.exe
PID 836 wrote to memory of 1472	836	1861.exe	server.exe
PID 836 wrote to memory of 1472	836	1861.exe	server.exe
PID 836 wrote to memory of 1472	836	1861.exe	server.exe
PID 836 wrote to memory of 1472	836	1861.exe	server.exe
PID 1472 wrote to memory of 1292	1472	server.exe	netsh.exe
PID 1472 wrote to memory of 1292	1472	server.exe	netsh.exe
PID 1472 wrote to memory of 1292	1472	server.exe	netsh.exe
PID 1472 wrote to memory of 1292	1472	server.exe	netsh.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe

C:\Users\Admin\AppData\Local\Temp\85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe
"C:\Users\Admin\AppData\Local\Temp\85cfeed60fa9a9134684748f9ec0089d46140bb5d300f006bc6121e9ad54c178.bin.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1768

C:\Users\Admin\AppData\Local\Temp\1861\1861.exe
"C:\Users\Admin\AppData\Local\Temp\1861\1861.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:836

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:1472

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
4⤵
PID:1292

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\1861\1861.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
C:\Users\Admin\AppData\Local\Temp\1861\1861.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
\Users\Admin\AppData\Local\Temp\1861\1861.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
\Users\Admin\AppData\Local\Temp\1861\1861.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
\Users\Admin\AppData\Local\Temp\1861\1861.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
MD5
bebaf4e286ed9a482904bf9efcd5f434

SHA1
166a080379f4dbfa316605472babd449dde77e82

SHA256
0fbd7acad44985ebd797c6b6dc25fc609ed4289b63c333ab058cd33efdf41523

SHA512
d64ff77c46f3f3ac5e35e825e7ea1d0f57f32e5ca0fed556acd978b2b11c9ad676032799106ca31251aa081deab90e4b8794c127ec628d87829d2ac6a81cb741

Download Submit
memory/836-58-0x0000000000000000-mapping.dmp

Download
memory/836-62-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/1292-69-0x0000000000000000-mapping.dmp

Download
memory/1472-64-0x0000000000000000-mapping.dmp

Download
memory/1472-68-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1768-54-0x0000000075821000-0x0000000075823000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads