njrat | 7aca902f9e7493dbf4f53a4cd3a4a9e5858eb825ef0141bf2e30150b416a070e

Resubmissions

03-12-2024 20:12

241203-yy1zxasjbz 10

03-12-2024 20:03

241203-ysq8hs1pdz 10

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 20:12

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General

Target

Payload.exe
Size

55KB
MD5

29a02cd1fb2226905da5a34ac62595b9
SHA1

a0c85edb2b9decb53291485acd64f36dbf5a6999
SHA256

7aca902f9e7493dbf4f53a4cd3a4a9e5858eb825ef0141bf2e30150b416a070e
SHA512

2e3000bdf30fe332f2923563a5266ada0201473fa999382aeced2cbb09951179ed2e7278314b97e1852dc8e300cd182632481f508f65b4aa629beecdb14993b3
SSDEEP

1536:1KksDnHNwZ8Cam8LDdwsNMD2XExI3pmym:fsDn6SKiDdwsNMD2XExI3pm

Score

10^/10

njrat discovery persistence trojan

Malware Config

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Payload.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba504e39d49d09ba3f0b71067d651692.exe	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba504e39d49d09ba3f0b71067d651692.exe	Payload.exe

Executes dropped EXE 13 IoCs

pid	Process
1068	93373ffcf5244c479a2326a27876486f.exe
4996	9051c56c718341e196246757aaf29c12.exe
3884	5823c0c0be924dfbbf49f85207c6c28c.exe
4824	1a4a60f5115e4f2194fd06da0658c729.exe
2600	497ee096f1bc4f1da75e3708b37f3e35.exe
640	07bbcb705b0543349c0102f60b1ae6be.exe
4504	3231957331c14d69917317eb948da566.exe
4060	1a38b92c54174dd9883868df165f839d.exe
1512	8e7a3895cb19450fa4d8da54f1233577.exe
3084	a47e3c5ac7b64aad98c540c582e207e3.exe
3204	0c1ebf7928324769be0b9fd52afda119.exe
2876	6c12012f74c7451fb020544a98f1bdf2.exe
4088	eb3b3c06acc0416eb9413f17929a9d7a.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba504e39d49d09ba3f0b71067d651692 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe\" .."	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ba504e39d49d09ba3f0b71067d651692 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe\" .."	Payload.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 1 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	Payload.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe
4400	Payload.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4140	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4140	AUDIODG.EXE
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe
Token: 33	4400	Payload.exe
Token: SeIncBasePriorityPrivilege	4400	Payload.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1068	4400	Payload.exe	98
PID 4400 wrote to memory of 1068	4400	Payload.exe	98
PID 4400 wrote to memory of 4996	4400	Payload.exe	103
PID 4400 wrote to memory of 4996	4400	Payload.exe	103
PID 4400 wrote to memory of 3884	4400	Payload.exe	105
PID 4400 wrote to memory of 3884	4400	Payload.exe	105
PID 4400 wrote to memory of 4824	4400	Payload.exe	106
PID 4400 wrote to memory of 4824	4400	Payload.exe	106
PID 4400 wrote to memory of 2600	4400	Payload.exe	108
PID 4400 wrote to memory of 2600	4400	Payload.exe	108
PID 4400 wrote to memory of 640	4400	Payload.exe	111
PID 4400 wrote to memory of 640	4400	Payload.exe	111
PID 4400 wrote to memory of 4504	4400	Payload.exe	113
PID 4400 wrote to memory of 4504	4400	Payload.exe	113
PID 4400 wrote to memory of 4060	4400	Payload.exe	115
PID 4400 wrote to memory of 4060	4400	Payload.exe	115
PID 4400 wrote to memory of 1512	4400	Payload.exe	117
PID 4400 wrote to memory of 1512	4400	Payload.exe	117
PID 4400 wrote to memory of 3084	4400	Payload.exe	118
PID 4400 wrote to memory of 3084	4400	Payload.exe	118
PID 4400 wrote to memory of 3204	4400	Payload.exe	119
PID 4400 wrote to memory of 3204	4400	Payload.exe	119
PID 4400 wrote to memory of 2876	4400	Payload.exe	120
PID 4400 wrote to memory of 2876	4400	Payload.exe	120
PID 4400 wrote to memory of 4088	4400	Payload.exe	122
PID 4400 wrote to memory of 4088	4400	Payload.exe	122

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4400
- C:\Users\Admin\AppData\Local\Temp\93373ffcf5244c479a2326a27876486f.exe
  "C:\Users\Admin\AppData\Local\Temp\93373ffcf5244c479a2326a27876486f.exe"
  2⤵
  - Executes dropped EXE
  PID:1068
- C:\Users\Admin\AppData\Local\Temp\9051c56c718341e196246757aaf29c12.exe
  "C:\Users\Admin\AppData\Local\Temp\9051c56c718341e196246757aaf29c12.exe"
  2⤵
  - Executes dropped EXE
  PID:4996
- C:\Users\Admin\AppData\Local\Temp\5823c0c0be924dfbbf49f85207c6c28c.exe
  "C:\Users\Admin\AppData\Local\Temp\5823c0c0be924dfbbf49f85207c6c28c.exe"
  2⤵
  - Executes dropped EXE
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\1a4a60f5115e4f2194fd06da0658c729.exe
  "C:\Users\Admin\AppData\Local\Temp\1a4a60f5115e4f2194fd06da0658c729.exe"
  2⤵
  - Executes dropped EXE
  PID:4824
- C:\Users\Admin\AppData\Local\Temp\497ee096f1bc4f1da75e3708b37f3e35.exe
  "C:\Users\Admin\AppData\Local\Temp\497ee096f1bc4f1da75e3708b37f3e35.exe"
  2⤵
  - Executes dropped EXE
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\07bbcb705b0543349c0102f60b1ae6be.exe
  "C:\Users\Admin\AppData\Local\Temp\07bbcb705b0543349c0102f60b1ae6be.exe"
  2⤵
  - Executes dropped EXE
  PID:640
- C:\Users\Admin\AppData\Local\Temp\3231957331c14d69917317eb948da566.exe
  "C:\Users\Admin\AppData\Local\Temp\3231957331c14d69917317eb948da566.exe"
  2⤵
  - Executes dropped EXE
  PID:4504
- C:\Users\Admin\AppData\Local\Temp\1a38b92c54174dd9883868df165f839d.exe
  "C:\Users\Admin\AppData\Local\Temp\1a38b92c54174dd9883868df165f839d.exe"
  2⤵
  - Executes dropped EXE
  PID:4060
- C:\Users\Admin\AppData\Local\Temp\8e7a3895cb19450fa4d8da54f1233577.exe
  "C:\Users\Admin\AppData\Local\Temp\8e7a3895cb19450fa4d8da54f1233577.exe"
  2⤵
  - Executes dropped EXE
  PID:1512
- C:\Users\Admin\AppData\Local\Temp\a47e3c5ac7b64aad98c540c582e207e3.exe
  "C:\Users\Admin\AppData\Local\Temp\a47e3c5ac7b64aad98c540c582e207e3.exe"
  2⤵
  - Executes dropped EXE
  PID:3084
- C:\Users\Admin\AppData\Local\Temp\0c1ebf7928324769be0b9fd52afda119.exe
  "C:\Users\Admin\AppData\Local\Temp\0c1ebf7928324769be0b9fd52afda119.exe"
  2⤵
  - Executes dropped EXE
  PID:3204
- C:\Users\Admin\AppData\Local\Temp\6c12012f74c7451fb020544a98f1bdf2.exe
  "C:\Users\Admin\AppData\Local\Temp\6c12012f74c7451fb020544a98f1bdf2.exe"
  2⤵
  - Executes dropped EXE
  PID:2876
- C:\Users\Admin\AppData\Local\Temp\eb3b3c06acc0416eb9413f17929a9d7a.exe
  "C:\Users\Admin\AppData\Local\Temp\eb3b3c06acc0416eb9413f17929a9d7a.exe"
  2⤵
  - Executes dropped EXE
  PID:4088

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x40c 0x318
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\497ee096f1bc4f1da75e3708b37f3e35.exe.log

Filesize
594B

MD5
44e889763d548d09132c31ed548f63f5

SHA1
d9829a1b5841338533a0be0509df50172cce73be

SHA256
d29f0e5fe1ab31998f200d4441c0e201a2e3bd6e416f638cbee2eb55354d48cc

SHA512
a1474aaef1132f459e8139157a618368c7623f4a25a754c6fc2672d92929b9506bfcc272eebf5c69901f4140d36e740f5f6bbfb90e000c6538ab492f5aa48a96

Download Submit
C:\Users\Admin\AppData\Local\Temp\93373ffcf5244c479a2326a27876486f.exe

Filesize
997KB

MD5
28aaac578be4ce06cb695e4f927b4302

SHA1
880ab0560b81e05e920f9ec1d6c0ecf5e04eaa7e

SHA256
8929d3b749ff91527b8e407eff6bde4bb0bb27739313b5c0db0434cbf700dbfc

SHA512
068698bda0543c773b36830f6760456e40e9046d9d20089ad88cb646ef5c7bd6c6716c6d59cfc7abd5bffb9129f5a7076e2f9c9b321795f224923f00b7b91374

Download Submit
memory/1068-26-0x0000000001090000-0x0000000001098000-memory.dmp

Filesize
32KB

Download
memory/1068-24-0x000000001BCB0000-0x000000001C17E000-memory.dmp

Filesize
4.8MB

Download
memory/1068-31-0x00007FFEC8050000-0x00007FFEC89F1000-memory.dmp

Filesize
9.6MB

Download
memory/1068-29-0x00007FFEC8050000-0x00007FFEC89F1000-memory.dmp

Filesize
9.6MB

Download
memory/1068-28-0x00007FFEC8050000-0x00007FFEC89F1000-memory.dmp

Filesize
9.6MB

Download
memory/1068-27-0x000000001C350000-0x000000001C39C000-memory.dmp

Filesize
304KB

Download
memory/1068-25-0x000000001C220000-0x000000001C2BC000-memory.dmp

Filesize
624KB

Download
memory/1068-20-0x00007FFEC8305000-0x00007FFEC8306000-memory.dmp

Filesize
4KB

Download
memory/1068-21-0x000000001B660000-0x000000001B706000-memory.dmp

Filesize
664KB

Download
memory/1068-22-0x00007FFEC8050000-0x00007FFEC89F1000-memory.dmp

Filesize
9.6MB

Download
memory/1068-23-0x00007FFEC8050000-0x00007FFEC89F1000-memory.dmp

Filesize
9.6MB

Download
memory/4400-8-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4400-2-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4400-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/4400-4-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/4400-7-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4400-6-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4400-5-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/4400-1-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download