formbook | 449b420eee40904b0196acfaaaa7e7f2d6016c4490b7cdee4ec99a1bfd300b36

Analysis

max time kernel
298s
max time network
299s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 08:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

28092024_0814_26092024_cotización pdf.exe
Size

1.6MB
MD5

519ab1c94ac812416544cffb1dba0ff6
SHA1

19b2be0e160f41d59744c886b39c9c8583ad6993
SHA256

e4247c7d552dd305606a2e6eb656dff526199c4afc9b46e00e957bc122444604
SHA512

ce10933d68f56241e5ee0a2b232376dda8cad05e06a1ae15ff91fd07e079a007941001f5c0880ff13bb8d51fed72d9e5bbd1a2733448aa902b1356819fd2cc75
SSDEEP

49152:sAodtaG9kS2U84B+FLan9k5TRM9zlpVjmi84:c/B1h

Score

10^/10

formbook kmge discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

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/2968-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2968-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1648-26-0x0000000000F20000-0x0000000000F4F000-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
4780	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	28092024_0814_26092024_cotización pdf.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3944 set thread context of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 2968 set thread context of 3388	2968	wab.exe	56
PID 1648 set thread context of 3388	1648	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 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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4780	powershell.exe
4780	powershell.exe
2968	wab.exe
2968	wab.exe
2968	wab.exe
2968	wab.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2968	wab.exe
2968	wab.exe
2968	wab.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe
1648	cmstp.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	28092024_0814_26092024_cotización pdf.exe
Token: SeDebugPrivilege	4780	powershell.exe
Token: SeDebugPrivilege	2968	wab.exe
Token: SeDebugPrivilege	1648	cmstp.exe
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE
Token: SeShutdownPrivilege	3388	Explorer.EXE
Token: SeCreatePagefilePrivilege	3388	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 4780	3944	28092024_0814_26092024_cotización pdf.exe	86
PID 3944 wrote to memory of 4780	3944	28092024_0814_26092024_cotización pdf.exe	86
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3944 wrote to memory of 2968	3944	28092024_0814_26092024_cotización pdf.exe	88
PID 3388 wrote to memory of 1648	3388	Explorer.EXE	89
PID 3388 wrote to memory of 1648	3388	Explorer.EXE	89
PID 3388 wrote to memory of 1648	3388	Explorer.EXE	89
PID 1648 wrote to memory of 4448	1648	cmstp.exe	90
PID 1648 wrote to memory of 4448	1648	cmstp.exe	90
PID 1648 wrote to memory of 4448	1648	cmstp.exe	90
PID 1648 wrote to memory of 4664	1648	cmstp.exe	96
PID 1648 wrote to memory of 4664	1648	cmstp.exe	96
PID 1648 wrote to memory of 4664	1648	cmstp.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3388
- C:\Users\Admin\AppData\Local\Temp\28092024_0814_26092024_cotización pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\28092024_0814_26092024_cotización pdf.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3944
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:UserProfile
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4780
- - C:\Program Files (x86)\Windows Mail\wab.exe
    "C:\Program Files (x86)\Windows Mail\wab.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2968
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4448
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4664

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

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
40KB

MD5
a182561a527f929489bf4b8f74f65cd7

SHA1
8cd6866594759711ea1836e86a5b7ca64ee8911f

SHA256
42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

SHA512
9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gqmrijvg.ngq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg

Filesize
75KB

MD5
edc71a65c7a1407d9427d2e009aec975

SHA1
c599902221f7c22ed5f61eda0a1bec5eeb9d5cc8

SHA256
c5c6c35c9fd91ad9c38ba9a69bc7779458197c43ff1d5ae7362731c02ef965d2

SHA512
f5274619fdafd93cc83d68920a1d36c438b909a3f8c8315c7f471cf64aab9bf7c3cf833c4cec3edaaf5808ba4e1e56aa34e746d565d35ad9486d85007791ab73

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/1648-24-0x0000000000ED0000-0x0000000000EE6000-memory.dmp

Filesize
88KB

Download
memory/1648-26-0x0000000000F20000-0x0000000000F4F000-memory.dmp

Filesize
188KB

Download
memory/1648-25-0x0000000000ED0000-0x0000000000EE6000-memory.dmp

Filesize
88KB

Download
memory/2968-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-22-0x00000000012F0000-0x0000000001304000-memory.dmp

Filesize
80KB

Download
memory/2968-19-0x0000000001770000-0x0000000001ABA000-memory.dmp

Filesize
3.3MB

Download
memory/3388-23-0x00000000089E0000-0x0000000008A9F000-memory.dmp

Filesize
764KB

Download
memory/3388-41-0x00000000089E0000-0x0000000008A9F000-memory.dmp

Filesize
764KB

Download
memory/3388-46-0x0000000008AA0000-0x0000000008BA8000-memory.dmp

Filesize
1.0MB

Download
memory/4780-18-0x00007FFCF0570000-0x00007FFCF1031000-memory.dmp

Filesize
10.8MB

Download
memory/4780-17-0x00007FFCF0570000-0x00007FFCF1031000-memory.dmp

Filesize
10.8MB

Download
memory/4780-0-0x00007FFCF0573000-0x00007FFCF0575000-memory.dmp

Filesize
8KB

Download
memory/4780-12-0x00007FFCF0570000-0x00007FFCF1031000-memory.dmp

Filesize
10.8MB

Download
memory/4780-11-0x00007FFCF0570000-0x00007FFCF1031000-memory.dmp

Filesize
10.8MB

Download
memory/4780-1-0x000001CDFC4A0000-0x000001CDFC4C2000-memory.dmp

Filesize
136KB

Download