njrat | 0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc

General

Target

0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe
Size

503KB
MD5

0abbf2d3cc9ee550fd17c49e40316170
SHA1

be1a50fd8971defd5cb9477b8f5ec31dff7e210b
SHA256

0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc
SHA512

800b3ba6bdb7172324e669e0540f13e1f87b41229f56c4dc909b36ad163ef5f924b4ee70505d18992610697653d2d36e08dfb02cfe0e766a62a4afc1f0c6882c
SSDEEP

12288:Sh1Lk70TnvjcXt2ksLayYZbrgK5JkHM/radQA7QwPnBHBZgzc:mk70TrcXgksLfkrgKbAM/rarr/

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

pid	Process
1596	IEMonitor.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
956	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b031add5ca67aab7a1155340e511197.exe	IEMonitor.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b031add5ca67aab7a1155340e511197.exe	IEMonitor.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\8b031add5ca67aab7a1155340e511197 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IEMonitor.exe\" .."	IEMonitor.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8b031add5ca67aab7a1155340e511197 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\IEMonitor.exe\" .."	IEMonitor.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1596	IEMonitor.exe
1596	IEMonitor.exe
1596	IEMonitor.exe
1596	IEMonitor.exe
1596	IEMonitor.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe
Token: 33	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe
Token: SeIncBasePriorityPrivilege	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe
Token: SeDebugPrivilege	1596	IEMonitor.exe
Token: 33	1596	IEMonitor.exe
Token: SeIncBasePriorityPrivilege	1596	IEMonitor.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1596	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe	27
PID 2036 wrote to memory of 1596	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe	27
PID 2036 wrote to memory of 1596	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe	27
PID 2036 wrote to memory of 1596	2036	0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe	27
PID 1596 wrote to memory of 956	1596	IEMonitor.exe	28
PID 1596 wrote to memory of 956	1596	IEMonitor.exe	28
PID 1596 wrote to memory of 956	1596	IEMonitor.exe	28
PID 1596 wrote to memory of 956	1596	IEMonitor.exe	28

C:\Users\Admin\AppData\Local\Temp\0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe
"C:\Users\Admin\AppData\Local\Temp\0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\IEMonitor.exe
  "C:\Users\Admin\AppData\Local\Temp\IEMonitor.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1596
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\IEMonitor.exe" "IEMonitor.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:956

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

Replay Monitor

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Downloads

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

Filesize
503KB

MD5
0abbf2d3cc9ee550fd17c49e40316170

SHA1
be1a50fd8971defd5cb9477b8f5ec31dff7e210b

SHA256
0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc

SHA512
800b3ba6bdb7172324e669e0540f13e1f87b41229f56c4dc909b36ad163ef5f924b4ee70505d18992610697653d2d36e08dfb02cfe0e766a62a4afc1f0c6882c

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

Filesize
503KB

MD5
0abbf2d3cc9ee550fd17c49e40316170

SHA1
be1a50fd8971defd5cb9477b8f5ec31dff7e210b

SHA256
0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc

SHA512
800b3ba6bdb7172324e669e0540f13e1f87b41229f56c4dc909b36ad163ef5f924b4ee70505d18992610697653d2d36e08dfb02cfe0e766a62a4afc1f0c6882c

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

Filesize
503KB

MD5
0abbf2d3cc9ee550fd17c49e40316170

SHA1
be1a50fd8971defd5cb9477b8f5ec31dff7e210b

SHA256
0dee8e57ffe75067ba28753b0d00703254d3b08513ea2b96ac421b94b2668ddc

SHA512
800b3ba6bdb7172324e669e0540f13e1f87b41229f56c4dc909b36ad163ef5f924b4ee70505d18992610697653d2d36e08dfb02cfe0e766a62a4afc1f0c6882c

Download Submit
memory/1596-66-0x000000000489A000-0x00000000048AB000-memory.dmp

Filesize
68KB

Download
memory/1596-68-0x000000000489A000-0x00000000048AB000-memory.dmp

Filesize
68KB

Download
memory/2036-58-0x0000000004ED0000-0x0000000004EDE000-memory.dmp

Filesize
56KB

Download
memory/2036-59-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download
memory/2036-57-0x00000000022D0000-0x00000000022E8000-memory.dmp

Filesize
96KB

Download
memory/2036-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x00000000047A0000-0x000000000480E000-memory.dmp

Filesize
440KB

Download
memory/2036-55-0x0000000004810000-0x000000000487E000-memory.dmp

Filesize
440KB

Download

Analysis

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