formbook | a378d9ddfbcb133d15e59e6a7066c624b90152c38439aab5885319fc679d64db

Analysis

max time kernel
150s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
20/04/2026, 12:31

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General

Target
Bozza dei documenti di spedizione – Conferma dell'indirizzo.js
Size 35KB
Sample260420-pp3mpsew3x
SHA256 a378d9ddfbcb133d15e59e6a7066c624b90152c38439aab5885319fc679d64db
MD5 9905b604d10474e5615275fa9f0701fd
SHA1 719c0439ac7c18fe8679828a3fba5f2fbcf03f17
SHA512 102bf36da31873d6bd010b12ad04593c8d62edeb9b38644850a0c88b29dd6eed7a1e8a0a3dcc80e72efac32a81d4a9211e52e6dda4b81743832c8edcfcce6949
SSDEEP 768:eB62ZJgG5HOs5DUM/lSz8gJ7sjKN1YxMInOJ8aIFZ2n:eQpG5HOs5gRzXJ7uKWMRJ8aIf2n
TLSH
T14BF261C83BC7B5A21E4230FB382B7052F53E8D80650D4454F6E891BDB968769D5BEB38
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/5256-48-0x0000000001140000-0x0000000001186000-memory.dmp	family_formbook
behavioral2/memory/932-58-0x0000000000380000-0x00000000003C3000-memory.dmp	family_formbook

Badlisted process makes network request 5 IoCs

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

flow	pid	Process
2	4348	wscript.exe
6	4348	wscript.exe
7	4348	wscript.exe
8	4348	wscript.exe
9	4348	wscript.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2064 set thread context of 5256	2064	powershell.exe	86
PID 5256 set thread context of 4348	5256	aspnet_compiler.exe	78
PID 5256 set thread context of 932	5256	aspnet_compiler.exe	87
PID 2064 set thread context of 2704	2064	powershell.exe	88

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2064	powershell.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	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
932	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
2064	powershell.exe
5256	aspnet_compiler.exe
5256	aspnet_compiler.exe
5256	aspnet_compiler.exe
5256	aspnet_compiler.exe
2064	powershell.exe
932	timeout.exe
932	timeout.exe
932	timeout.exe
932	timeout.exe
2064	powershell.exe
2704	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
5256	aspnet_compiler.exe
4348	wscript.exe
4348	wscript.exe
932	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2064	4348	wscript.exe	79
PID 2064 wrote to memory of 2476	2064	powershell.exe	81
PID 2064 wrote to memory of 2736	2064	powershell.exe	82
PID 2064 wrote to memory of 2592	2064	powershell.exe	83
PID 2064 wrote to memory of 2904	2064	powershell.exe	84
PID 2064 wrote to memory of 3892	2064	powershell.exe	85
PID 2064 wrote to memory of 5256	2064	powershell.exe	86
PID 2064 wrote to memory of 5256	2064	powershell.exe	86
PID 2064 wrote to memory of 5256	2064	powershell.exe	86
PID 4348 wrote to memory of 932	4348	wscript.exe	87
PID 2064 wrote to memory of 2704	2064	powershell.exe	88
PID 2064 wrote to memory of 2704	2064	powershell.exe	88
PID 2064 wrote to memory of 2704	2064	powershell.exe	88

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Bozza dei documenti di spedizione – Conferma dell'indirizzo.js"
1⤵
- Badlisted process makes network request
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -nop -ep bypass -file "C:\Temp\L60FU1N5.ps1"
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2476
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2592
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:2904
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:3892
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:5256
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2704
- C:\Windows\SysWOW64\timeout.exe
  "C:\Windows\SysWOW64\timeout.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Delays execution with timeout.exe
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:932

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 Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

L60FU1N5.ps1

Path C:\Temp\L60FU1N5.ps1
Size 1.4MB
SHA256 8fb80973de986d4adc2fe50ede022c38791eef8d4ee9d32208745d8fca136f96
MD5 17dbbe51400289f15eaa33e86821ee14
SHA1 61b82fb6dabcc2746672f99e5da90898de284865
SHA512 7e0743e2b08652cdce72bc5fa746676d7e78c27d1fa8b0a861f65195ac1c5cc71b9641da1ee7a083e6f03add1bb3f68c52cd9c085f74191e398fc2f3d4aa536e
SSDEEP 24576:/RJS00dSpaVjpuq7jKzesfbatxyX2Btnn1CxXml91UkbuDbMSkmGcfAymFT3:y0Wj1Oan3CBGwAhp
TLSH
T1286523701EB12FAC5FBC9709538F974A0242039B1848F3BEB7D478C926BFF64990A945
MD5 SHA1 SHA512 SSDEEP TLSH

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__PSScriptPolicyTest_xbvhrh2k.bom.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xbvhrh2k.bom.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/932-58-0x0000000000380000-0x00000000003C3000-memory.dmp

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memory/932-56-0x0000000000380000-0x00000000003C3000-memory.dmp

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memory/2064-53-0x0000025CE1C90000-0x0000025CE1C9C000-memory.dmp

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memory/2064-43-0x0000025CFA360000-0x0000025CFA382000-memory.dmp

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memory/2064-45-0x0000025CFA600000-0x0000025CFA60C000-memory.dmp

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memory/2064-46-0x0000025CFA610000-0x0000025CFA618000-memory.dmp

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memory/2064-51-0x0000025CFA350000-0x0000025CFA360000-memory.dmp

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memory/2064-52-0x0000025CFA350000-0x0000025CFA360000-memory.dmp

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memory/2064-54-0x0000025CFA310000-0x0000025CFA322000-memory.dmp

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memory/2064-55-0x0000025CFA350000-0x0000025CFA360000-memory.dmp

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memory/2064-36-0x0000025CFA350000-0x0000025CFA360000-memory.dmp

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memory/4348-1-0x000001FB69800000-0x000001FB6980C000-memory.dmp

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memory/4348-0-0x000001FB69BF0000-0x000001FB69D0E000-memory.dmp

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memory/5256-47-0x0000000000400000-0x0000000000446000-memory.dmp

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memory/5256-48-0x0000000001140000-0x0000000001186000-memory.dmp

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