Malware Analysis Report

2025-06-16 06:50

Sample ID 220829-2fx23sfhgr
Target B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
SHA256 b10fddacee9920ac4bd5bfdd19e07124e2830b0974c080ee64abaf9626602be1
Tags
njrat nyan cat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b10fddacee9920ac4bd5bfdd19e07124e2830b0974c080ee64abaf9626602be1

Threat Level: Known bad

The file B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe was found to be: Known bad.

Malicious Activity Summary

njrat nyan cat trojan

njRAT/Bladabindi

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-29 22:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-29 22:32

Reported

2022-08-29 22:34

Platform

win7-20220812-en

Max time kernel

138s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1092 wrote to memory of 1148 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 1092 wrote to memory of 1148 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 1092 wrote to memory of 1148 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 1092 wrote to memory of 1148 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 1092 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

Processes

C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WABDXeNNV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5504.tmp"

C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fur1a.duckdns.org udp
CO 179.14.9.250:1995 fur1a.duckdns.org tcp

Files

memory/1092-54-0x0000000010D30000-0x0000000010DF0000-memory.dmp

memory/1092-55-0x00000000768D1000-0x00000000768D3000-memory.dmp

memory/1092-56-0x00000000002A0000-0x00000000002AA000-memory.dmp

memory/1092-57-0x0000000001E70000-0x0000000001EB2000-memory.dmp

memory/1148-58-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5504.tmp

MD5 eb24cef2a28d5b5902dc7ec0d6dba1c7
SHA1 73dab909e503db0b7ea78e91b04783b8cbaac32f
SHA256 0b10887ccecfa33b4194c82b212cb7853cff088ae9609afea6b6c5c0b1f691c1
SHA512 4a36bddc329ff5f28d52d4aa78f8c2a50be06ea9713036c5a5f40dc2f37cefe6ec436e88737f082e27cb7e289d7fd4d80cd359be22785042f1551f238e0c4848

memory/1288-60-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-61-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-63-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-64-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-65-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-66-0x000000000040676E-mapping.dmp

memory/1288-68-0x0000000000400000-0x000000000040C000-memory.dmp

memory/1288-70-0x0000000000400000-0x000000000040C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-29 22:32

Reported

2022-08-29 22:34

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1502147629-2175634256-330282290-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4956 wrote to memory of 1360 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 4956 wrote to memory of 1360 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 4956 wrote to memory of 1360 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Windows\SysWOW64\schtasks.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe
PID 4956 wrote to memory of 1288 N/A C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

Processes

C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WABDXeNNV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA50.tmp"

C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe

"C:\Users\Admin\AppData\Local\Temp\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe"

Network

Country Destination Domain Proto
NL 104.80.225.205:443 tcp
FR 51.11.192.48:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 fur1a.duckdns.org udp
CO 179.14.9.250:1995 fur1a.duckdns.org tcp

Files

memory/4956-132-0x0000000000F80000-0x0000000001040000-memory.dmp

memory/4956-133-0x0000000005FB0000-0x0000000006554000-memory.dmp

memory/4956-134-0x0000000005A00000-0x0000000005A92000-memory.dmp

memory/4956-135-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

memory/4956-136-0x00000000059D0000-0x00000000059DA000-memory.dmp

memory/1360-137-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\tmpEA50.tmp

MD5 c187134c84556e116ba4b771496519c0
SHA1 bacba9533d84c26403a0f1634d0b21a9a9b385d4
SHA256 cbc00449d3533c143f76ba77e9a6738ab0e979865602af7ea66a7adfa99ade61
SHA512 882261af7deb6e4e2eefcab1b2b4ff7e66a1c5b2788b1c643974af4070ca167808610ee7503709658cbe53077dfaa819e3238e414a8e38ca962045a34b4b8176

memory/1288-139-0x0000000000000000-mapping.dmp

memory/1288-140-0x0000000000400000-0x000000000040C000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\B10FDDACEE9920AC4BD5BFDD19E07124E2830B0974C08.exe.log

MD5 84e77a587d94307c0ac1357eb4d3d46f
SHA1 83cc900f9401f43d181207d64c5adba7a85edc1e
SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
SHA512 aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

memory/1288-142-0x0000000005610000-0x0000000005676000-memory.dmp