njrat | 868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788

General

Target

868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
Size

999KB
MD5

6a64f58c435d14c0321158f786e9f678
SHA1

569ac424bfc990ae89befdb160eaaf2eb00ac630
SHA256

868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788
SHA512

ea93c57fb06fe229a402ad90d03354faf648a501de467c148bbdaa48ad9663a8c6c6103ec2f3db367014e1e693ea9087f7bd168b4f0cfbe240d9060701ed3dad
SSDEEP

24576:Xtb20pkaCqT5TBWgNQ7axv9i3d/soW6A:UVg5tQ7axI3eP5

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 3 IoCs

Processes:

server.exeprogram.exesvchost.exe

pid process

3268 server.exe
5060 program.exe
3128 svchost.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4500 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

Processes:

server.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation server.exe

pid	process
3268	server.exe
5060	program.exe
3128	svchost.exe

pid	process
4500	netsh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a2b2eed38adf2ef6969163ed40a2f666 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a2b2eed38adf2ef6969163ed40a2f666 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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 21 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeDebugPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe
Token: 33	3128	svchost.exe
Token: SeIncBasePriorityPrivilege	3128	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe

pid	process
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe

pid	process
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exeserver.exesvchost.exe

description	pid	process	target process
PID 4336 wrote to memory of 3268	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	server.exe
PID 4336 wrote to memory of 3268	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	server.exe
PID 4336 wrote to memory of 3268	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	server.exe
PID 4336 wrote to memory of 5060	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	program.exe
PID 4336 wrote to memory of 5060	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	program.exe
PID 4336 wrote to memory of 5060	4336	868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe	program.exe
PID 3268 wrote to memory of 3128	3268	server.exe	svchost.exe
PID 3268 wrote to memory of 3128	3268	server.exe	svchost.exe
PID 3268 wrote to memory of 3128	3268	server.exe	svchost.exe
PID 3128 wrote to memory of 4500	3128	svchost.exe	netsh.exe
PID 3128 wrote to memory of 4500	3128	svchost.exe	netsh.exe
PID 3128 wrote to memory of 4500	3128	svchost.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe
"C:\Users\Admin\AppData\Local\Temp\868ef975f2fce5e2058a7097ea6dd3c2bb21a56a8d59207033319eb4a4259788.exe"
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Users\Admin\AppData\Local\Temp\server.exe
  C:\Users\Admin\AppData\Local\Temp/server.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:3268
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3128
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:4500
- C:\Users\Admin\AppData\Local\Temp\program.exe
  C:\Users\Admin\AppData\Local\Temp/program.exe
  2⤵
  - Executes dropped EXE
  PID:5060

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

Loading Replay Monitor...

Downloads

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

Filesize
20KB

MD5
dd6d4ea36559e221090f50de0f16d0be

SHA1
637d15ae51af9df427f1266a091d32df9de3d53b

SHA256
3832bca42f6ebb9d369101912f396299a5201f01e8d9e41654efcad0016611da

SHA512
d8b9b03eac12affbb4e2b227755ac59cfc364b39f47ee9255a2e04671987184ffbc2b86fb376b3ef7e021407e50cd7f21d3cfcc4b50ff2d5e485aeb1adfc14e8

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

Filesize
20KB

MD5
dd6d4ea36559e221090f50de0f16d0be

SHA1
637d15ae51af9df427f1266a091d32df9de3d53b

SHA256
3832bca42f6ebb9d369101912f396299a5201f01e8d9e41654efcad0016611da

SHA512
d8b9b03eac12affbb4e2b227755ac59cfc364b39f47ee9255a2e04671987184ffbc2b86fb376b3ef7e021407e50cd7f21d3cfcc4b50ff2d5e485aeb1adfc14e8

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

Filesize
170KB

MD5
75d6ce915360568ef5d42f5e40dd4d05

SHA1
22469a08d341541e517eda3eda24b5af343eb991

SHA256
3ffec8f445ded9f2f5d5675162114213df85dae29bf3bd55aae99423601955d2

SHA512
984b1fb8213e451a5ff7b592dcbca418a0c33e043194626e8496a068229a4ba37ddbc3cfe12ef941c727dfa2e09513b343fe74738fa98953d755d75d9b3b4208

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

Filesize
170KB

MD5
75d6ce915360568ef5d42f5e40dd4d05

SHA1
22469a08d341541e517eda3eda24b5af343eb991

SHA256
3ffec8f445ded9f2f5d5675162114213df85dae29bf3bd55aae99423601955d2

SHA512
984b1fb8213e451a5ff7b592dcbca418a0c33e043194626e8496a068229a4ba37ddbc3cfe12ef941c727dfa2e09513b343fe74738fa98953d755d75d9b3b4208

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

Filesize
170KB

MD5
75d6ce915360568ef5d42f5e40dd4d05

SHA1
22469a08d341541e517eda3eda24b5af343eb991

SHA256
3ffec8f445ded9f2f5d5675162114213df85dae29bf3bd55aae99423601955d2

SHA512
984b1fb8213e451a5ff7b592dcbca418a0c33e043194626e8496a068229a4ba37ddbc3cfe12ef941c727dfa2e09513b343fe74738fa98953d755d75d9b3b4208

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

Filesize
170KB

MD5
75d6ce915360568ef5d42f5e40dd4d05

SHA1
22469a08d341541e517eda3eda24b5af343eb991

SHA256
3ffec8f445ded9f2f5d5675162114213df85dae29bf3bd55aae99423601955d2

SHA512
984b1fb8213e451a5ff7b592dcbca418a0c33e043194626e8496a068229a4ba37ddbc3cfe12ef941c727dfa2e09513b343fe74738fa98953d755d75d9b3b4208

Download Submit
memory/3128-141-0x0000000000000000-mapping.dmp

Download
memory/3128-145-0x0000000008500000-0x0000000008592000-memory.dmp

Filesize
584KB

Download
memory/3128-146-0x00000000086C0000-0x00000000086CA000-memory.dmp

Filesize
40KB

Download
memory/3268-139-0x00000000073D0000-0x000000000746C000-memory.dmp

Filesize
624KB

Download
memory/3268-140-0x0000000007A20000-0x0000000007FC4000-memory.dmp

Filesize
5.6MB

Download
memory/3268-135-0x0000000000210000-0x0000000000240000-memory.dmp

Filesize
192KB

Download
memory/3268-132-0x0000000000000000-mapping.dmp

Download
memory/4500-144-0x0000000000000000-mapping.dmp

Download
memory/5060-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads