formbook | 439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758

Analysis

max time kernel
103s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2025, 06:55

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General

Target

439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
Size

656KB
MD5

21439ea18c8518ed0f7e3b94551df520
SHA1

fb49e10c82891b2c6ac90acc2c0a1d4463485953
SHA256

439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758
SHA512

e71f1e222dc044a0a41950a58862abc9f4652dd70e64a77dc14993134fedc8467f147fda12726915cb6afd4b0f1f0d52e14bdc396153c705f02f8930d3782bd0
SSDEEP

12288:xdkIYyOn6nzxmLvraF2UBmNRURd+bSuhh2oDywXlw62C9ygXCw+eAix5I:fY9n6nmv1UBmNmRQbSs2oGYrSBNs6

Score

10^/10

formbook m13o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m13o

Decoy

un20250227-23.fun

mallelectricarsgb.bond

emvmaasbn.pro

ewaraja.xyz

olar-systems-panels-18238.bond

anjau2.cfd

ental-implants-58831.bond

riferrari.shop

ypham-japan.shop

imilarityapi.xyz

ealthywayzone.online

r33bz.online

ureformula.shop

arlsjrmenu.net

ziugsyw.xyz

osmetic-packaging-jobs.click

uaizhan.xyz

99game.xyz

otdrones.shop

rettvollmar.shop

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4844-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1596	powershell.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100

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 2 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	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4844	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
4844	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
1596	powershell.exe
1596	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 1596	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	98
PID 2892 wrote to memory of 1596	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	98
PID 2892 wrote to memory of 1596	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	98
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100
PID 2892 wrote to memory of 4844	2892	439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe	100

C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
"C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1596
- C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe
  "C:\Users\Admin\AppData\Local\Temp\439e270481fa6cf85666be16e0f41dcbf80e2515b304573591528a1cfa3d9758.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3310jni0.x4o.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1596-49-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-15-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/1596-32-0x0000000006220000-0x0000000006574000-memory.dmp

Filesize
3.3MB

Download
memory/1596-62-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-59-0x0000000007D00000-0x0000000007D08000-memory.dmp

Filesize
32KB

Download
memory/1596-58-0x0000000007D20000-0x0000000007D3A000-memory.dmp

Filesize
104KB

Download
memory/1596-57-0x0000000007C20000-0x0000000007C34000-memory.dmp

Filesize
80KB

Download
memory/1596-56-0x0000000007C10000-0x0000000007C1E000-memory.dmp

Filesize
56KB

Download
memory/1596-55-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

Filesize
68KB

Download
memory/1596-54-0x0000000007C60000-0x0000000007CF6000-memory.dmp

Filesize
600KB

Download
memory/1596-53-0x0000000007A50000-0x0000000007A5A000-memory.dmp

Filesize
40KB

Download
memory/1596-24-0x00000000060B0000-0x0000000006116000-memory.dmp

Filesize
408KB

Download
memory/1596-52-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/1596-48-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-16-0x0000000002D80000-0x0000000002DB6000-memory.dmp

Filesize
216KB

Download
memory/1596-17-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-19-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-18-0x00000000058B0000-0x0000000005ED8000-memory.dmp

Filesize
6.2MB

Download
memory/1596-20-0x0000000005F30000-0x0000000005F52000-memory.dmp

Filesize
136KB

Download
memory/1596-21-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/1596-51-0x0000000008020000-0x000000000869A000-memory.dmp

Filesize
6.5MB

Download
memory/1596-50-0x00000000078C0000-0x0000000007963000-memory.dmp

Filesize
652KB

Download
memory/1596-47-0x0000000006C70000-0x0000000006C8E000-memory.dmp

Filesize
120KB

Download
memory/1596-33-0x00000000066B0000-0x00000000066CE000-memory.dmp

Filesize
120KB

Download
memory/1596-34-0x00000000066E0000-0x000000000672C000-memory.dmp

Filesize
304KB

Download
memory/1596-35-0x0000000007880000-0x00000000078B2000-memory.dmp

Filesize
200KB

Download
memory/1596-37-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/1596-36-0x0000000070340000-0x000000007038C000-memory.dmp

Filesize
304KB

Download
memory/2892-13-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2892-10-0x0000000006C00000-0x0000000006C9C000-memory.dmp

Filesize
624KB

Download
memory/2892-3-0x0000000005070000-0x0000000005102000-memory.dmp

Filesize
584KB

Download
memory/2892-1-0x00000000005F0000-0x000000000069A000-memory.dmp

Filesize
680KB

Download
memory/2892-2-0x0000000005780000-0x0000000005D24000-memory.dmp

Filesize
5.6MB

Download
memory/2892-4-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/2892-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2892-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2892-9-0x0000000006380000-0x00000000063F8000-memory.dmp

Filesize
480KB

Download
memory/2892-8-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/2892-7-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/2892-6-0x0000000006330000-0x0000000006348000-memory.dmp

Filesize
96KB

Download
memory/4844-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4844-14-0x0000000001190000-0x00000000014DA000-memory.dmp

Filesize
3.3MB

Download