njrat | 5a89e39ab6b87ed1d0810009c093db235fca513f11a49d13653dfb26534cb265

General

Target

eQ88ht5Z.exe
Size

23KB
MD5

a3e74200d636da0be8e6336b880b73ed
SHA1

ce1dfb37201133556dee320cf26340808885acc4
SHA256

5a89e39ab6b87ed1d0810009c093db235fca513f11a49d13653dfb26534cb265
SHA512

8102cd1c68ee5bd404569a0d17d55be042569ff93a1579c5853da45c45e7cdadcc5bec05ee84e77a90c09c2b50e2c8239fdfb8d2cd62f152620b9a9a29907ea1

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

2.tcp.ngrok.io:13521

Mutex

112f8f7cd18bbf4b59b64dc60a84e780

Attributes

reg_key
112f8f7cd18bbf4b59b64dc60a84e780
splitter
|'|'|

Signatures

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

Processes:

Hack55.exe

pid process

524 Hack55.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031
Loads dropped DLL 1 IoCs

Processes:

eQ88ht5Z.exe

pid process

1428 eQ88ht5Z.exe

pid	process
524	Hack55.exe

pid	process
1428	eQ88ht5Z.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Hack55.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\112f8f7cd18bbf4b59b64dc60a84e780 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Hack55.exe\" .."	Hack55.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\112f8f7cd18bbf4b59b64dc60a84e780 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Hack55.exe\" .."	Hack55.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:

Hack55.exe

description	pid	process
Token: SeDebugPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe
Token: 33	524	Hack55.exe
Token: SeIncBasePriorityPrivilege	524	Hack55.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

eQ88ht5Z.exeHack55.exe

description	pid	process	target process
PID 1428 wrote to memory of 524	1428	eQ88ht5Z.exe	Hack55.exe
PID 1428 wrote to memory of 524	1428	eQ88ht5Z.exe	Hack55.exe
PID 1428 wrote to memory of 524	1428	eQ88ht5Z.exe	Hack55.exe
PID 1428 wrote to memory of 524	1428	eQ88ht5Z.exe	Hack55.exe
PID 524 wrote to memory of 564	524	Hack55.exe	netsh.exe
PID 524 wrote to memory of 564	524	Hack55.exe	netsh.exe
PID 524 wrote to memory of 564	524	Hack55.exe	netsh.exe
PID 524 wrote to memory of 564	524	Hack55.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\eQ88ht5Z.exe
"C:\Users\Admin\AppData\Local\Temp\eQ88ht5Z.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1428

C:\Users\Admin\AppData\Local\Temp\Hack55.exe
"C:\Users\Admin\AppData\Local\Temp\Hack55.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Hack55.exe" "Hack55.exe" ENABLE
3⤵
PID:564

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Hack55.exe

MD5
a3e74200d636da0be8e6336b880b73ed

SHA1
ce1dfb37201133556dee320cf26340808885acc4

SHA256
5a89e39ab6b87ed1d0810009c093db235fca513f11a49d13653dfb26534cb265

SHA512
8102cd1c68ee5bd404569a0d17d55be042569ff93a1579c5853da45c45e7cdadcc5bec05ee84e77a90c09c2b50e2c8239fdfb8d2cd62f152620b9a9a29907ea1

Download Submit
C:\Users\Admin\AppData\Local\Temp\Hack55.exe

MD5
a3e74200d636da0be8e6336b880b73ed

SHA1
ce1dfb37201133556dee320cf26340808885acc4

SHA256
5a89e39ab6b87ed1d0810009c093db235fca513f11a49d13653dfb26534cb265

SHA512
8102cd1c68ee5bd404569a0d17d55be042569ff93a1579c5853da45c45e7cdadcc5bec05ee84e77a90c09c2b50e2c8239fdfb8d2cd62f152620b9a9a29907ea1

Download Submit
\Users\Admin\AppData\Local\Temp\Hack55.exe

MD5
a3e74200d636da0be8e6336b880b73ed

SHA1
ce1dfb37201133556dee320cf26340808885acc4

SHA256
5a89e39ab6b87ed1d0810009c093db235fca513f11a49d13653dfb26534cb265

SHA512
8102cd1c68ee5bd404569a0d17d55be042569ff93a1579c5853da45c45e7cdadcc5bec05ee84e77a90c09c2b50e2c8239fdfb8d2cd62f152620b9a9a29907ea1

Download Submit
memory/524-57-0x0000000000000000-mapping.dmp

Download
memory/524-61-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/524-64-0x0000000000141000-0x0000000000142000-memory.dmp

Filesize
4KB

Download
memory/564-62-0x0000000000000000-mapping.dmp

Download
memory/1428-54-0x00000000768C1000-0x00000000768C3000-memory.dmp

Filesize
8KB

Download
memory/1428-55-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads