formbook | 1625bc28c0c1fd3e4375430f222944d92c2b31b2543b5c8703dc5463cd68d1e3

Analysis

max time kernel
146s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 19:43

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General

Target

ASAS27.exe
Size

692KB
MD5

c3c19eded0a05cdc8b8740d97ebfdccf
SHA1

506138ac626ce46c5ada87bf83d703270fe329d9
SHA256

1625bc28c0c1fd3e4375430f222944d92c2b31b2543b5c8703dc5463cd68d1e3
SHA512

d075626bbad97c960dc892164dee8110d5897203dfeeeed1314e0c3d0aa2e71b0a4cc18bad6d493054a2263a1d83c2e4c4f154d7556f0ff162185d6fccd96aa4
SSDEEP

12288:xYV2o24S0WnqLtlbylU47swoC7Xl9wfWOVoiAaUnnLODW15R:22HL0xLqoNC7sjpPULSgR

Score

10^/10

formbook h209 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1464-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1464-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3744-77-0x00000000001C0000-0x00000000001EF000-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
744	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	ASAS27.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1352 set thread context of 1464	1352	ASAS27.exe	97
PID 1464 set thread context of 3444	1464	ASAS27.exe	55
PID 3744 set thread context of 3444	3744	systray.exe	55

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	ASAS27.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	systray.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
2440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1464	ASAS27.exe
1464	ASAS27.exe
1464	ASAS27.exe
1464	ASAS27.exe
744	powershell.exe
744	powershell.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe
3744	systray.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1464	ASAS27.exe
1464	ASAS27.exe
1464	ASAS27.exe
3744	systray.exe
3744	systray.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1464	ASAS27.exe
Token: SeDebugPrivilege	744	powershell.exe
Token: SeDebugPrivilege	3744	systray.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 744	1352	ASAS27.exe	93
PID 1352 wrote to memory of 744	1352	ASAS27.exe	93
PID 1352 wrote to memory of 744	1352	ASAS27.exe	93
PID 1352 wrote to memory of 2440	1352	ASAS27.exe	95
PID 1352 wrote to memory of 2440	1352	ASAS27.exe	95
PID 1352 wrote to memory of 2440	1352	ASAS27.exe	95
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 1352 wrote to memory of 1464	1352	ASAS27.exe	97
PID 3444 wrote to memory of 3744	3444	Explorer.EXE	98
PID 3444 wrote to memory of 3744	3444	Explorer.EXE	98
PID 3444 wrote to memory of 3744	3444	Explorer.EXE	98
PID 3744 wrote to memory of 3208	3744	systray.exe	99
PID 3744 wrote to memory of 3208	3744	systray.exe	99
PID 3744 wrote to memory of 3208	3744	systray.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\ASAS27.exe
  "C:\Users\Admin\AppData\Local\Temp\ASAS27.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1352
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qiBWfumYjtSah.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:744
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qiBWfumYjtSah" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB51.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2440
- - C:\Users\Admin\AppData\Local\Temp\ASAS27.exe
    "C:\Users\Admin\AppData\Local\Temp\ASAS27.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1464
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:3744
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\ASAS27.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3208

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_rxa2if4w.xl1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBB51.tmp

Filesize
1KB

MD5
c96d9fe2ac0b245d1c2277a2c3129b03

SHA1
2658a6e9612c37affa331e591ddbbb7f7b74b834

SHA256
1e08fec47132a4419354156e97e0a5433fe8ff2e575084f41a33367ec767d5e7

SHA512
73d69d0b5bb35c3237b2445bcc18ea81295061a8eb6b5e702fd888c717d24f7f68b413b49b3a494c02b710131f82c8bfe2b0ecd0333a1c538df8c025281589b7

Download Submit
memory/744-35-0x00000000057A0000-0x0000000005806000-memory.dmp

Filesize
408KB

Download
memory/744-18-0x0000000005070000-0x0000000005698000-memory.dmp

Filesize
6.2MB

Download
memory/744-19-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-43-0x0000000006530000-0x000000000657C000-memory.dmp

Filesize
304KB

Download
memory/744-76-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-73-0x0000000007600000-0x0000000007608000-memory.dmp

Filesize
32KB

Download
memory/744-44-0x000000007F230000-0x000000007F240000-memory.dmp

Filesize
64KB

Download
memory/744-71-0x0000000007520000-0x0000000007534000-memory.dmp

Filesize
80KB

Download
memory/744-70-0x0000000007510000-0x000000000751E000-memory.dmp

Filesize
56KB

Download
memory/744-69-0x00000000074E0000-0x00000000074F1000-memory.dmp

Filesize
68KB

Download
memory/744-67-0x0000000007560000-0x00000000075F6000-memory.dmp

Filesize
600KB

Download
memory/744-68-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-64-0x0000000007350000-0x000000000735A000-memory.dmp

Filesize
40KB

Download
memory/744-63-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/744-62-0x0000000007920000-0x0000000007F9A000-memory.dmp

Filesize
6.5MB

Download
memory/744-56-0x00000000065B0000-0x00000000065CE000-memory.dmp

Filesize
120KB

Download
memory/744-21-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-58-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-61-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-29-0x0000000004FD0000-0x0000000004FF2000-memory.dmp

Filesize
136KB

Download
memory/744-59-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/744-60-0x0000000004A30000-0x0000000004A40000-memory.dmp

Filesize
64KB

Download
memory/744-17-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/744-36-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/744-42-0x0000000005F90000-0x0000000005FAE000-memory.dmp

Filesize
120KB

Download
memory/744-41-0x0000000005AF0000-0x0000000005E44000-memory.dmp

Filesize
3.3MB

Download
memory/744-15-0x00000000049E0000-0x0000000004A16000-memory.dmp

Filesize
216KB

Download
memory/744-57-0x00000000071D0000-0x0000000007273000-memory.dmp

Filesize
652KB

Download
memory/744-72-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/744-45-0x0000000006F90000-0x0000000006FC2000-memory.dmp

Filesize
200KB

Download
memory/744-46-0x0000000071910000-0x000000007195C000-memory.dmp

Filesize
304KB

Download
memory/1352-23-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1352-3-0x00000000054D0000-0x0000000005562000-memory.dmp

Filesize
584KB

Download
memory/1352-0-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/1352-1-0x0000000000AD0000-0x0000000000B82000-memory.dmp

Filesize
712KB

Download
memory/1352-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/1352-4-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/1352-5-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1352-10-0x00000000093B0000-0x000000000944C000-memory.dmp

Filesize
624KB

Download
memory/1352-9-0x0000000006900000-0x0000000006976000-memory.dmp

Filesize
472KB

Download
memory/1352-6-0x0000000006DA0000-0x0000000006DB0000-memory.dmp

Filesize
64KB

Download
memory/1352-7-0x000000007505E000-0x000000007505F000-memory.dmp

Filesize
4KB

Download
memory/1352-8-0x0000000075050000-0x0000000075800000-memory.dmp

Filesize
7.7MB

Download
memory/1464-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1464-27-0x0000000001120000-0x0000000001135000-memory.dmp

Filesize
84KB

Download
memory/1464-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1464-25-0x00000000016C0000-0x0000000001A0A000-memory.dmp

Filesize
3.3MB

Download
memory/3444-28-0x0000000008490000-0x00000000085B6000-memory.dmp

Filesize
1.1MB

Download
memory/3444-78-0x0000000008490000-0x00000000085B6000-memory.dmp

Filesize
1.1MB

Download
memory/3444-82-0x0000000002B30000-0x0000000002BD7000-memory.dmp

Filesize
668KB

Download
memory/3744-65-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3744-66-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3744-77-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download