njrat | 6d8c6a7b451ec6bc397972ebd0da954e4c8d5e9b2d8ed2224328c2f1ba10f74b

General

Target

904-56-0x0000000000520000-0x000000000052C000-memory.exe
Size

48KB
MD5

a228b4a6d1ef33410e50bfacbe4cb5dd
SHA1

b903dbf077f270e87992bdd8b4f80ec3efeb7da7
SHA256

6d8c6a7b451ec6bc397972ebd0da954e4c8d5e9b2d8ed2224328c2f1ba10f74b
SHA512

89181fcbcf43b46c35b25a5545e3f7016ce9c3b2bc6f915b4c517beaff496b26e2fb38516bb39ad980094e9d47eea19a030f40853ff6db7b18bda8754f2f927a
SSDEEP

384:7/MKFYuEEhERvoBG16Xuy0MHNw6Tg1Y+75JTFmRvR6JZlbw8hqIusZzZvrr:7UW4V6+yDRpcnu+P

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

pet.donalbidden.ga:1991

Mutex

b28edce9639d05bb1e75e7079531d126

Attributes

reg_key
b28edce9639d05bb1e75e7079531d126
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4008	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	904-56-0x0000000000520000-0x000000000052C000-memory.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b28edce9639d05bb1e75e7079531d126 = "\"C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe\" .."	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b28edce9639d05bb1e75e7079531d126 = "\"C:\\Users\\Admin\\AppData\\Roaming\\explorer.exe\" .."	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe
Token: 33	2808	explorer.exe
Token: SeIncBasePriorityPrivilege	2808	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2808	1912	904-56-0x0000000000520000-0x000000000052C000-memory.exe	89
PID 1912 wrote to memory of 2808	1912	904-56-0x0000000000520000-0x000000000052C000-memory.exe	89
PID 1912 wrote to memory of 2808	1912	904-56-0x0000000000520000-0x000000000052C000-memory.exe	89
PID 2808 wrote to memory of 4008	2808	explorer.exe	92
PID 2808 wrote to memory of 4008	2808	explorer.exe	92
PID 2808 wrote to memory of 4008	2808	explorer.exe	92

C:\Users\Admin\AppData\Local\Temp\904-56-0x0000000000520000-0x000000000052C000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\904-56-0x0000000000520000-0x000000000052C000-memory.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Roaming\explorer.exe
  "C:\Users\Admin\AppData\Roaming\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4008

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\explorer.exe

Filesize
48KB

MD5
a228b4a6d1ef33410e50bfacbe4cb5dd

SHA1
b903dbf077f270e87992bdd8b4f80ec3efeb7da7

SHA256
6d8c6a7b451ec6bc397972ebd0da954e4c8d5e9b2d8ed2224328c2f1ba10f74b

SHA512
89181fcbcf43b46c35b25a5545e3f7016ce9c3b2bc6f915b4c517beaff496b26e2fb38516bb39ad980094e9d47eea19a030f40853ff6db7b18bda8754f2f927a

Download Submit
C:\Users\Admin\AppData\Roaming\explorer.exe

Filesize
48KB

MD5
a228b4a6d1ef33410e50bfacbe4cb5dd

SHA1
b903dbf077f270e87992bdd8b4f80ec3efeb7da7

SHA256
6d8c6a7b451ec6bc397972ebd0da954e4c8d5e9b2d8ed2224328c2f1ba10f74b

SHA512
89181fcbcf43b46c35b25a5545e3f7016ce9c3b2bc6f915b4c517beaff496b26e2fb38516bb39ad980094e9d47eea19a030f40853ff6db7b18bda8754f2f927a

Download Submit
C:\Users\Admin\AppData\Roaming\explorer.exe

Filesize
48KB

MD5
a228b4a6d1ef33410e50bfacbe4cb5dd

SHA1
b903dbf077f270e87992bdd8b4f80ec3efeb7da7

SHA256
6d8c6a7b451ec6bc397972ebd0da954e4c8d5e9b2d8ed2224328c2f1ba10f74b

SHA512
89181fcbcf43b46c35b25a5545e3f7016ce9c3b2bc6f915b4c517beaff496b26e2fb38516bb39ad980094e9d47eea19a030f40853ff6db7b18bda8754f2f927a

Download Submit
memory/1912-133-0x0000000001310000-0x0000000001320000-memory.dmp

Filesize
64KB

Download
memory/2808-143-0x0000000000A20000-0x0000000000A30000-memory.dmp

Filesize
64KB

Download
memory/2808-144-0x0000000000A20000-0x0000000000A30000-memory.dmp

Filesize
64KB

Download

Analysis

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