formbook | 10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2025 03:32

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General

Target

10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
Size

835KB
MD5

ff5640b9478170f504c7a344f2cfd2f0
SHA1

3ada7fc9fd12140209115cda646b3ecb1a8c8ec4
SHA256

10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20
SHA512

db9e03be02bb52112cef4622bfe2d134b87f9e66227501d50326138aab17fcaf7aef91950e4131b3fdaa7d1b960fafc5284a181ef53351ae7d377502ffc7f6b8
SSDEEP

12288:fEUM8HCoR6k/LbPWJxKXuNMe7IiSR61+7iRTKJq5:MUMRCNLbOSX67IiU61+7In

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4352-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4324-95-0x00000000012F0000-0x000000000131F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2292	powershell.exe
1872	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-1-5-21-3625106387-4207083342-115176794-1000\Control Panel\International\Geo\Nation	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 4352 set thread context of 3504	4352	RegSvcs.exe	56
PID 4324 set thread context of 3504	4324	msiexec.exe	56

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 6 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
1872	powershell.exe
2292	powershell.exe
1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
4352	RegSvcs.exe
4352	RegSvcs.exe
4352	RegSvcs.exe
4352	RegSvcs.exe
2292	powershell.exe
1872	powershell.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe
4324	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4352	RegSvcs.exe
4352	RegSvcs.exe
4352	RegSvcs.exe
4324	msiexec.exe
4324	msiexec.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
Token: SeDebugPrivilege	1872	powershell.exe
Token: SeDebugPrivilege	2292	powershell.exe
Token: SeDebugPrivilege	4352	RegSvcs.exe
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE
Token: SeDebugPrivilege	4324	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1872	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	86
PID 1796 wrote to memory of 1872	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	86
PID 1796 wrote to memory of 1872	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	86
PID 1796 wrote to memory of 2292	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	88
PID 1796 wrote to memory of 2292	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	88
PID 1796 wrote to memory of 2292	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	88
PID 1796 wrote to memory of 3448	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	89
PID 1796 wrote to memory of 3448	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	89
PID 1796 wrote to memory of 3448	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	89
PID 1796 wrote to memory of 4112	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	92
PID 1796 wrote to memory of 4112	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	92
PID 1796 wrote to memory of 4112	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	92
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 1796 wrote to memory of 4352	1796	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	93
PID 3504 wrote to memory of 4324	3504	Explorer.EXE	94
PID 3504 wrote to memory of 4324	3504	Explorer.EXE	94
PID 3504 wrote to memory of 4324	3504	Explorer.EXE	94
PID 4324 wrote to memory of 3120	4324	msiexec.exe	95
PID 4324 wrote to memory of 3120	4324	msiexec.exe	95
PID 4324 wrote to memory of 3120	4324	msiexec.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
  "C:\Users\Admin\AppData\Local\Temp\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1796
- - 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\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1872
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sHjGErDAO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2292
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHjGErDAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1335.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3448
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:4112
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4352
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
a05318bb824895610385c274b277ef99

SHA1
b6f2a0956947a7f6ed62ca93a81bfdc00f33a4d8

SHA256
eef9b8bc2ea11af8fe25444852a6fa488432f64d830ba7aae99d364c4771b3ec

SHA512
4ae99b497677344c74cf81e2ac31894502990f6eb294d6338faa4f3f5f5631ef97da9c2ab09bff8a99dbc6eef76f6bd60b643cfef001edabde487e7b72800ef3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tibpabva.5ie.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1335.tmp

Filesize
1KB

MD5
c0ac8ebddb6fd70a705fc6609ab4c3d5

SHA1
937230dc95753eb93db64206a082a8e22cea063b

SHA256
89431fba2f1084e8fcfea6c655fa545041433dee3edb1ddc4036ee6f9905bb26

SHA512
52d2299e8780a0d713728c15e1be965d61e208c3c5ce68ef527e91cd260810267f2d86596c5b32cb8a9871a501a53b185296b22c18f90165a7bdccb24cade7f8

Download Submit
memory/1796-4-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-5-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/1796-6-0x00000000058B0000-0x00000000058CE000-memory.dmp

Filesize
120KB

Download
memory/1796-7-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/1796-8-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-9-0x0000000004E90000-0x0000000004F0A000-memory.dmp

Filesize
488KB

Download
memory/1796-10-0x000000000D5B0000-0x000000000D64C000-memory.dmp

Filesize
624KB

Download
memory/1796-3-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/1796-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/1796-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/1796-51-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1796-1-0x00000000009F0000-0x0000000000AC8000-memory.dmp

Filesize
864KB

Download
memory/1872-80-0x00000000070D0000-0x00000000070DE000-memory.dmp

Filesize
56KB

Download
memory/1872-82-0x00000000071E0000-0x00000000071FA000-memory.dmp

Filesize
104KB

Download
memory/1872-20-0x0000000005380000-0x00000000053E6000-memory.dmp

Filesize
408KB

Download
memory/1872-22-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/1872-19-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

Filesize
136KB

Download
memory/1872-15-0x0000000002260000-0x0000000002296000-memory.dmp

Filesize
216KB

Download
memory/1872-16-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1872-23-0x0000000005560000-0x00000000058B4000-memory.dmp

Filesize
3.3MB

Download
memory/1872-90-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1872-83-0x00000000071C0000-0x00000000071C8000-memory.dmp

Filesize
32KB

Download
memory/1872-21-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1872-81-0x00000000070E0000-0x00000000070F4000-memory.dmp

Filesize
80KB

Download
memory/1872-18-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/1872-52-0x0000000006D10000-0x0000000006D42000-memory.dmp

Filesize
200KB

Download
memory/1872-17-0x0000000004CE0000-0x0000000005308000-memory.dmp

Filesize
6.2MB

Download
memory/1872-65-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/1872-53-0x000000006FA40000-0x000000006FA8C000-memory.dmp

Filesize
304KB

Download
memory/1872-74-0x0000000006D50000-0x0000000006DF3000-memory.dmp

Filesize
652KB

Download
memory/1872-75-0x00000000074E0000-0x0000000007B5A000-memory.dmp

Filesize
6.5MB

Download
memory/1872-76-0x0000000006EA0000-0x0000000006EBA000-memory.dmp

Filesize
104KB

Download
memory/1872-79-0x00000000070A0000-0x00000000070B1000-memory.dmp

Filesize
68KB

Download
memory/2292-89-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2292-31-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2292-55-0x000000006FA40000-0x000000006FA8C000-memory.dmp

Filesize
304KB

Download
memory/2292-50-0x0000000006910000-0x000000000695C000-memory.dmp

Filesize
304KB

Download
memory/2292-49-0x0000000006880000-0x000000000689E000-memory.dmp

Filesize
120KB

Download
memory/2292-77-0x0000000007C10000-0x0000000007C1A000-memory.dmp

Filesize
40KB

Download
memory/2292-36-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2292-78-0x0000000007E20000-0x0000000007EB6000-memory.dmp

Filesize
600KB

Download
memory/2292-24-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-97-0x0000000008290000-0x0000000008401000-memory.dmp

Filesize
1.4MB

Download
memory/4324-91-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/4324-92-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/4324-94-0x0000000000320000-0x0000000000332000-memory.dmp

Filesize
72KB

Download
memory/4324-95-0x00000000012F0000-0x000000000131F000-memory.dmp

Filesize
188KB

Download
memory/4352-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download