Malware Analysis Report

2025-08-05 16:20

Sample ID 231023-vxcddabc7t
Target NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
SHA256 760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139
Tags
formbook ls02 rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139

Threat Level: Known bad

The file NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe was found to be: Known bad.

Malicious Activity Summary

formbook ls02 rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-23 17:21

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-23 17:21

Reported

2023-10-23 17:31

Platform

win7-20231020-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1576 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2712 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 1576 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

Network

N/A

Files

memory/1576-1-0x0000000074210000-0x00000000748FE000-memory.dmp

memory/1576-0-0x00000000000A0000-0x0000000000138000-memory.dmp

memory/1576-2-0x0000000000410000-0x0000000000450000-memory.dmp

memory/1576-3-0x0000000000490000-0x00000000004A8000-memory.dmp

memory/1576-4-0x0000000074210000-0x00000000748FE000-memory.dmp

memory/1576-5-0x0000000000410000-0x0000000000450000-memory.dmp

memory/1576-6-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/1576-7-0x0000000004E10000-0x0000000004E7E000-memory.dmp

memory/2840-8-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2840-10-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2840-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2840-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/1576-15-0x0000000074210000-0x00000000748FE000-memory.dmp

memory/2840-16-0x0000000000810000-0x0000000000B13000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-23 17:21

Reported

2023-10-23 17:29

Platform

win10v2004-20231023-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5100 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 4648 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 4640 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe
PID 5100 wrote to memory of 2088 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.760d1dd7bb42f4e5326377a4d8368703b5638f6a14988e1a8ead94524b3a0139exe_JC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 66.112.168.52.in-addr.arpa udp

Files

memory/5100-0-0x0000000074F40000-0x00000000756F0000-memory.dmp

memory/5100-1-0x0000000000F90000-0x0000000001028000-memory.dmp

memory/5100-2-0x0000000005EE0000-0x0000000006484000-memory.dmp

memory/5100-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

memory/5100-4-0x0000000005BE0000-0x0000000005BF0000-memory.dmp

memory/5100-5-0x0000000005BB0000-0x0000000005BBA000-memory.dmp

memory/5100-6-0x0000000005D30000-0x0000000005DCC000-memory.dmp

memory/5100-7-0x0000000007430000-0x0000000007448000-memory.dmp

memory/5100-8-0x0000000074F40000-0x00000000756F0000-memory.dmp

memory/5100-9-0x0000000005BE0000-0x0000000005BF0000-memory.dmp

memory/5100-10-0x0000000006FB0000-0x0000000006FC0000-memory.dmp

memory/5100-11-0x0000000007620000-0x000000000768E000-memory.dmp

memory/2088-12-0x0000000000400000-0x000000000042F000-memory.dmp

memory/5100-14-0x0000000074F40000-0x00000000756F0000-memory.dmp

memory/2088-15-0x0000000001510000-0x000000000185A000-memory.dmp