formbook | 4360b21f0e98b3bebd80d53de298f9bf9e59e33f20b80ff9a168633ae36e8b8a

Analysis

max time kernel
299s
max time network
286s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2024, 02:56

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General

Target

PO_AM-0004R_ADH92887762678.exe
Size

875KB
MD5

dc8de56aa173d952bc2c69d40543e119
SHA1

0a666bec9a6d737bd419c7922350c4939d7a9f94
SHA256

1aeeef34e64b6b0fa042ae3e9744a227281e9512036461831867fcf531e27a73
SHA512

302af0dab3330d4c59942be62c564a9d9d63d093d5c060db5dd135f2b56467a09d5d23fd65985de287ba07ff4bb4b7e1ddc185bcb43c1a1b9680488df08bbb32
SSDEEP

12288:Kk0IaOq+AlnC9Rsy9Ii+iNqsdYy/OBe/Vg95njib9aofSc8L:KuaeYy9Ii+fsay/O8k5u8

Score

10^/10

formbook py25 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

py25

Decoy

ezani.fun

rsteknik.online

200mzeus.digital

5497.one

ragonflyers.biz

rome.photos

2142.vip

ise-en-mots.net

tickmangifts.store

thostransporteselogistica.shop

utomation-tools-36376.bond

okyo-tax-expert-459376580.today

azettellm.school

aafarzaneh-emer6.rest

aakoub-mc.xyz

linko-es-playmarket.store

ohr.xyz

ejic.online

iwagarden.net

ealip.net

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4980-29-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-41-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4980-73-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2224-76-0x0000000000610000-0x000000000063F000-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
3504	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	PO_AM-0004R_ADH92887762678.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3916 set thread context of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 4980 set thread context of 3524	4980	PO_AM-0004R_ADH92887762678.exe	56
PID 4980 set thread context of 3524	4980	PO_AM-0004R_ADH92887762678.exe	56
PID 2224 set thread context of 3524	2224	cmstp.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 5 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	PO_AM-0004R_ADH92887762678.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3916	PO_AM-0004R_ADH92887762678.exe
3916	PO_AM-0004R_ADH92887762678.exe
3916	PO_AM-0004R_ADH92887762678.exe
3504	powershell.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
3504	powershell.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe
2224	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
4980	PO_AM-0004R_ADH92887762678.exe
2224	cmstp.exe
2224	cmstp.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	PO_AM-0004R_ADH92887762678.exe
Token: SeDebugPrivilege	3504	powershell.exe
Token: SeDebugPrivilege	4980	PO_AM-0004R_ADH92887762678.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeDebugPrivilege	2224	cmstp.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3504	3916	PO_AM-0004R_ADH92887762678.exe	95
PID 3916 wrote to memory of 3504	3916	PO_AM-0004R_ADH92887762678.exe	95
PID 3916 wrote to memory of 3504	3916	PO_AM-0004R_ADH92887762678.exe	95
PID 3916 wrote to memory of 2656	3916	PO_AM-0004R_ADH92887762678.exe	97
PID 3916 wrote to memory of 2656	3916	PO_AM-0004R_ADH92887762678.exe	97
PID 3916 wrote to memory of 2656	3916	PO_AM-0004R_ADH92887762678.exe	97
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3916 wrote to memory of 4980	3916	PO_AM-0004R_ADH92887762678.exe	99
PID 3524 wrote to memory of 2224	3524	Explorer.EXE	103
PID 3524 wrote to memory of 2224	3524	Explorer.EXE	103
PID 3524 wrote to memory of 2224	3524	Explorer.EXE	103
PID 2224 wrote to memory of 4152	2224	cmstp.exe	104
PID 2224 wrote to memory of 4152	2224	cmstp.exe	104
PID 2224 wrote to memory of 4152	2224	cmstp.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
  "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.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:3916
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UHfxnDcr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3504
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UHfxnDcr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE128.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2656
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4980
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4152

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sojjxjph.rd1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE128.tmp

Filesize
1KB

MD5
0988122fdcc5d160bdfa2451d91ab1df

SHA1
42976268f74d469ceaa4bcc25707d7c03f3be99a

SHA256
640f38ead7729d8ab86e912720f54376d015820c0b04505fa9fb9b09751b2ce9

SHA512
7a1877e61a3f79d874b8e5f6df873107980341b0063bce32329faa3ea87cb0b1d3a3ec546781b263f666c16a0e77acd39742af9e915762bd951d75a5c58cecb0

Download Submit
memory/2224-76-0x0000000000610000-0x000000000063F000-memory.dmp

Filesize
188KB

Download
memory/2224-75-0x0000000000880000-0x0000000000896000-memory.dmp

Filesize
88KB

Download
memory/3504-40-0x0000000006460000-0x00000000064AC000-memory.dmp

Filesize
304KB

Download
memory/3504-23-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/3504-16-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-17-0x00000000054F0000-0x0000000005B18000-memory.dmp

Filesize
6.2MB

Download
memory/3504-71-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-68-0x00000000079C0000-0x00000000079C8000-memory.dmp

Filesize
32KB

Download
memory/3504-67-0x00000000079E0000-0x00000000079FA000-memory.dmp

Filesize
104KB

Download
memory/3504-19-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-21-0x00000000053B0000-0x00000000053D2000-memory.dmp

Filesize
136KB

Download
memory/3504-66-0x00000000078E0000-0x00000000078F4000-memory.dmp

Filesize
80KB

Download
memory/3504-65-0x00000000078D0000-0x00000000078DE000-memory.dmp

Filesize
56KB

Download
memory/3504-22-0x0000000005C10000-0x0000000005C76000-memory.dmp

Filesize
408KB

Download
memory/3504-31-0x0000000005DA0000-0x00000000060F4000-memory.dmp

Filesize
3.3MB

Download
memory/3504-64-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-63-0x00000000078A0000-0x00000000078B1000-memory.dmp

Filesize
68KB

Download
memory/3504-62-0x0000000007920000-0x00000000079B6000-memory.dmp

Filesize
600KB

Download
memory/3504-61-0x0000000007710000-0x000000000771A000-memory.dmp

Filesize
40KB

Download
memory/3504-60-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/3504-59-0x0000000007CF0000-0x000000000836A000-memory.dmp

Filesize
6.5MB

Download
memory/3504-58-0x0000000007370000-0x0000000007413000-memory.dmp

Filesize
652KB

Download
memory/3504-57-0x0000000006920000-0x000000000693E000-memory.dmp

Filesize
120KB

Download
memory/3504-38-0x0000000006380000-0x000000000639E000-memory.dmp

Filesize
120KB

Download
memory/3504-53-0x0000000002B60000-0x0000000002B70000-memory.dmp

Filesize
64KB

Download
memory/3504-15-0x0000000002A70000-0x0000000002AA6000-memory.dmp

Filesize
216KB

Download
memory/3504-18-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-46-0x0000000075BB0000-0x0000000075BFC000-memory.dmp

Filesize
304KB

Download
memory/3504-44-0x000000007F8D0000-0x000000007F8E0000-memory.dmp

Filesize
64KB

Download
memory/3504-45-0x0000000006940000-0x0000000006972000-memory.dmp

Filesize
200KB

Download
memory/3524-43-0x00000000086F0000-0x000000000888A000-memory.dmp

Filesize
1.6MB

Download
memory/3524-80-0x0000000002890000-0x0000000002942000-memory.dmp

Filesize
712KB

Download
memory/3524-74-0x00000000086F0000-0x000000000888A000-memory.dmp

Filesize
1.6MB

Download
memory/3916-10-0x0000000008BB0000-0x0000000008C28000-memory.dmp

Filesize
480KB

Download
memory/3916-5-0x00000000025C0000-0x00000000025CA000-memory.dmp

Filesize
40KB

Download
memory/3916-0-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/3916-9-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-8-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/3916-7-0x0000000007650000-0x0000000007668000-memory.dmp

Filesize
96KB

Download
memory/3916-1-0x0000000000240000-0x0000000000320000-memory.dmp

Filesize
896KB

Download
memory/3916-2-0x0000000007890000-0x0000000007E34000-memory.dmp

Filesize
5.6MB

Download
memory/3916-6-0x00000000076B0000-0x000000000774C000-memory.dmp

Filesize
624KB

Download
memory/3916-36-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3916-4-0x0000000007480000-0x0000000007512000-memory.dmp

Filesize
584KB

Download
memory/3916-3-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/4980-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-29-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-37-0x00000000016A0000-0x00000000019EA000-memory.dmp

Filesize
3.3MB

Download
memory/4980-41-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4980-42-0x0000000001B90000-0x0000000001BA4000-memory.dmp

Filesize
80KB

Download