njrat | a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e

Reason

Machine shutdown

General

Target

New Client.exe
Size

65KB
MD5

8cf4617583acf1f05c867d91dfa88e29
SHA1

5fdf26cbad2eb6d466bc04199b42b2d40df3159c
SHA256

a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e
SHA512

1d0513b1a2a81edb244c1d14ab3ec58ca168be562964251b32857a117b66c9fa4de075ee5bbb1f87caf4175c0c9e2414ffe6548aa22354ed2f5c9b480395add6
SSDEEP

1536:wfqK4Tm4BoN36t4QviFw1AjHkBnvbKfLteF3nLrB9z3nIaF9brS9vM:wfqK4C4BoN36t4QviFC8EBnefWl9zYaH

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Platinum

Botnet

HacKed

C2

127.0.0.1:36811

Mutex

svhost.exe

Attributes

reg_key
svhost.exe
splitter
|Ghost|

Signatures

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

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	New Client.exe

Executes dropped EXE 3 IoCs

pid	Process
1552	svhost.exe
1076	svhost.exe
4936	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\svhost.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	New Client.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
544	taskkill.exe
2172	taskkill.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4408	schtasks.exe
1824	schtasks.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe
Token: 33	1552	svhost.exe
Token: SeIncBasePriorityPrivilege	1552	svhost.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 1552	3756	New Client.exe	93
PID 3756 wrote to memory of 1552	3756	New Client.exe	93
PID 3756 wrote to memory of 1552	3756	New Client.exe	93
PID 3756 wrote to memory of 3752	3756	New Client.exe	94
PID 3756 wrote to memory of 3752	3756	New Client.exe	94
PID 3756 wrote to memory of 3752	3756	New Client.exe	94
PID 3752 wrote to memory of 4908	3752	cmd.exe	96
PID 3752 wrote to memory of 4908	3752	cmd.exe	96
PID 3752 wrote to memory of 4908	3752	cmd.exe	96
PID 1552 wrote to memory of 544	1552	svhost.exe	99
PID 1552 wrote to memory of 544	1552	svhost.exe	99
PID 1552 wrote to memory of 544	1552	svhost.exe	99
PID 1552 wrote to memory of 4548	1552	svhost.exe	101
PID 1552 wrote to memory of 4548	1552	svhost.exe	101
PID 1552 wrote to memory of 4548	1552	svhost.exe	101
PID 1552 wrote to memory of 4408	1552	svhost.exe	103
PID 1552 wrote to memory of 4408	1552	svhost.exe	103
PID 1552 wrote to memory of 4408	1552	svhost.exe	103
PID 1552 wrote to memory of 2172	1552	svhost.exe	106
PID 1552 wrote to memory of 2172	1552	svhost.exe	106
PID 1552 wrote to memory of 2172	1552	svhost.exe	106
PID 1552 wrote to memory of 1404	1552	svhost.exe	108
PID 1552 wrote to memory of 1404	1552	svhost.exe	108
PID 1552 wrote to memory of 1404	1552	svhost.exe	108
PID 1552 wrote to memory of 1824	1552	svhost.exe	110
PID 1552 wrote to memory of 1824	1552	svhost.exe	110
PID 1552 wrote to memory of 1824	1552	svhost.exe	110

C:\Users\Admin\AppData\Local\Temp\New Client.exe
"C:\Users\Admin\AppData\Local\Temp\New Client.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Users\Admin\AppData\Local\Temp\svhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1552
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:544
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4548
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4408
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f im Wireshark.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    PID:2172
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "MicrosoftEdgeUpdateTaskMachine" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1404
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "MicrosoftEdgeUpdateTaskMachine" /tr C:\Users\Admin\AppData\Local\Temp\svhost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1824
- - C:\Users\Admin\AppData\Local\Temp\FakeGoldenEye.exe
    "C:\Users\Admin\AppData\Local\Temp\FakeGoldenEye.exe"
    3⤵
    PID:4660
- - C:\Users\Admin\AppData\Local\Temp\FakePetrWrap.exe
    "C:\Users\Admin\AppData\Local\Temp\FakePetrWrap.exe"
    3⤵
    PID:5052
- - C:\Users\Admin\AppData\Local\Temp\FakePetya.exe
    "C:\Users\Admin\AppData\Local\Temp\FakePetya.exe"
    3⤵
    PID:1136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\New Client.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3752
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4908

C:\Users\Admin\AppData\Local\Temp\svhost.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1076

C:\Users\Admin\AppData\Local\Temp\svhost.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\svhost.exe.log

Filesize
418B

MD5
50045c5c59ae3eb2db5452fb39e13335

SHA1
56226b40d4458df7e92f802381401e4183c97cb2

SHA256
b90b2a4ba2c69f094edce48807ad1873b1265c83795139fbf4576697fe65cae9

SHA512
bb20f9389e69e4a17fa254bd3b77212797f3be159ec6129b3a1501db3e24fb7b12096fbdbfcc93c24ecdb3cea88eae8a58e279b39c0777b6a4e9d4c15057faa4

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

Filesize
76KB

MD5
26758407117c78422332c443ca7ed21d

SHA1
9ab022e854166f4ec567d2ed4cf15880c13b3d95

SHA256
2900dcc4246afc601ada049b127c4344fa917acf1689a6a4748ee72f93f503ed

SHA512
ddbc118d3124508e4a9493b0d55eced154ae41c641f852f49b7f2b72fb9770d5af7ccf913b65e87bd9d66a4e0064d47bebd62e38cc03953c30d48ece13d501ee

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

Filesize
78KB

MD5
47e704798242cd00dd6c93d6d9f20162

SHA1
aef55dab9078e6e52699d8b219f6ccd7d0899a32

SHA256
5080b576bf0a64ed0e11799e102439101b176a3bf44ff774c94357ceab975d46

SHA512
269e944f1dbe65e488008d3281dc3cf02535ab4ff07179d024bdc70c808787b05943f04b44c37f9c2a54777a8d156e5fbf8cdd375dca8979a9d0ecd4f5d3081f

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

Filesize
65KB

MD5
8cf4617583acf1f05c867d91dfa88e29

SHA1
5fdf26cbad2eb6d466bc04199b42b2d40df3159c

SHA256
a257729469dd5a70d282e08c5bd87e6e55540e37728368204218745840ffe76e

SHA512
1d0513b1a2a81edb244c1d14ab3ec58ca168be562964251b32857a117b66c9fa4de075ee5bbb1f87caf4175c0c9e2414ffe6548aa22354ed2f5c9b480395add6

Download Submit
memory/1552-20-0x0000000004F10000-0x0000000004F76000-memory.dmp

Filesize
408KB

Download
memory/1552-28-0x0000000008430000-0x0000000008452000-memory.dmp

Filesize
136KB

Download
memory/1552-17-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/1552-18-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1552-19-0x0000000004B50000-0x0000000004B5A000-memory.dmp

Filesize
40KB

Download
memory/1552-16-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1552-21-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1552-22-0x0000000005BE0000-0x0000000005BF8000-memory.dmp

Filesize
96KB

Download
memory/1552-23-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1552-24-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/1552-27-0x00000000084B0000-0x00000000084BE000-memory.dmp

Filesize
56KB

Download
memory/3756-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3756-6-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3756-3-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/3756-2-0x00000000050F0000-0x000000000518C000-memory.dmp

Filesize
624KB

Download
memory/3756-1-0x0000000000730000-0x0000000000746000-memory.dmp

Filesize
88KB

Download
memory/4660-47-0x0000000010000000-0x0000000010007000-memory.dmp

Filesize
28KB

Download
memory/5052-57-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads