formbook | 27ffa4783191b2211f9f11043cdfb2df12898202cbef969013082c7634b2f27b

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2025 10:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

PaidInvoicePdf.exe
Size

696KB
MD5

800ffdb94a4c823184385509daf24178
SHA1

42269e47c7bd0e0e71ebcddeffa9e8f7fd87dc69
SHA256

27ffa4783191b2211f9f11043cdfb2df12898202cbef969013082c7634b2f27b
SHA512

dc11235024197202e9a00059ca5660e09537ac7a6411fc6098ce34f5715b95254a52147231e41e74ae141ee74b8bf9fe3c7b497c8b99ee0697a1f38037fa5c4d
SSDEEP

12288:PYGjdswecl94lQ40JfOofko3QSkQREOyMh344m/xDX/ch:2wedlWOofqSkwKcIrPch

Score

10^/10

formbook n7ak discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

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/3272-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3272-30-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3272-76-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3724-78-0x0000000000CB0000-0x0000000000CDF000-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
764	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	PaidInvoicePdf.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 4 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 3272	4044	PaidInvoicePdf.exe	88
PID 3272 set thread context of 3408	3272	RegSvcs.exe	56
PID 3272 set thread context of 3408	3272	RegSvcs.exe	56
PID 3724 set thread context of 3408	3724	msdt.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	PaidInvoicePdf.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	msdt.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msdt.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
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4044	PaidInvoicePdf.exe
4044	PaidInvoicePdf.exe
764	powershell.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
764	powershell.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
3272	RegSvcs.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
3272	RegSvcs.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe
3724	msdt.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	PaidInvoicePdf.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeDebugPrivilege	3272	RegSvcs.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeDebugPrivilege	3724	msdt.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 764	4044	PaidInvoicePdf.exe	84
PID 4044 wrote to memory of 764	4044	PaidInvoicePdf.exe	84
PID 4044 wrote to memory of 764	4044	PaidInvoicePdf.exe	84
PID 4044 wrote to memory of 2684	4044	PaidInvoicePdf.exe	86
PID 4044 wrote to memory of 2684	4044	PaidInvoicePdf.exe	86
PID 4044 wrote to memory of 2684	4044	PaidInvoicePdf.exe	86
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 4044 wrote to memory of 3272	4044	PaidInvoicePdf.exe	88
PID 3408 wrote to memory of 3724	3408	Explorer.EXE	94
PID 3408 wrote to memory of 3724	3408	Explorer.EXE	94
PID 3408 wrote to memory of 3724	3408	Explorer.EXE	94
PID 3724 wrote to memory of 1892	3724	msdt.exe	97
PID 3724 wrote to memory of 1892	3724	msdt.exe	97
PID 3724 wrote to memory of 1892	3724	msdt.exe	97
PID 3724 wrote to memory of 1504	3724	msdt.exe	101
PID 3724 wrote to memory of 1504	3724	msdt.exe	101
PID 3724 wrote to memory of 1504	3724	msdt.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\PaidInvoicePdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PaidInvoicePdf.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:4044
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RGmpQiEFWWTW.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RGmpQiEFWWTW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC728.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2684
- - 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:3272
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:3724
- - 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:1892
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1504

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

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_chxrfitt.hkx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC728.tmp

Filesize
1KB

MD5
d99f66a5acdbc750030c1366ace6b3a1

SHA1
48ec8ccc695750611fa9081ce9ad73d373dc6018

SHA256
428fff36b4b9980a14b2115f9e9f3dfa809bb782ca5fb2e4822b94e56f6d6f28

SHA512
bd30373cfeb1b8ceb69aa0c4fd359540ae2a918c1e8bf607d7631bfec229f643b2e6d831653e4ae48dd17f608f9e9694c3bd7aaa9b65aea1e023171b0b419737

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg

Filesize
79KB

MD5
3be57fa00cba463bedfa3922816af37b

SHA1
f68293496796ec67768ee1450085fdb00e5bf339

SHA256
b7658792572fbcc6938c3e1591b88ad0b7a41e43c03aa2d7b32c590b53f2e5b3

SHA512
a462bdb473eda9cfd8f0d13e91bafeb81b4f5ea277b2b5cd2514fc145c5b98ea40136f901d0725117f8f5785e93ab355f55519bad8f5caf306dd96779edf9df5

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini

Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini

Filesize
872B

MD5
bbc41c78bae6c71e63cb544a6a284d94

SHA1
33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

SHA256
ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

SHA512
0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

Download Submit
memory/764-45-0x0000000007470000-0x00000000074A2000-memory.dmp

Filesize
200KB

Download
memory/764-56-0x0000000007450000-0x000000000746E000-memory.dmp

Filesize
120KB

Download
memory/764-73-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-15-0x0000000002C40000-0x0000000002C76000-memory.dmp

Filesize
216KB

Download
memory/764-16-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-70-0x0000000007B40000-0x0000000007B48000-memory.dmp

Filesize
32KB

Download
memory/764-18-0x0000000005760000-0x0000000005D88000-memory.dmp

Filesize
6.2MB

Download
memory/764-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-69-0x0000000007B60000-0x0000000007B7A000-memory.dmp

Filesize
104KB

Download
memory/764-21-0x0000000005520000-0x0000000005542000-memory.dmp

Filesize
136KB

Download
memory/764-23-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/764-22-0x00000000055C0000-0x0000000005626000-memory.dmp

Filesize
408KB

Download
memory/764-67-0x0000000007A60000-0x0000000007A74000-memory.dmp

Filesize
80KB

Download
memory/764-25-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-27-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/764-68-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-66-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-65-0x0000000007A50000-0x0000000007A5E000-memory.dmp

Filesize
56KB

Download
memory/764-64-0x0000000007A20000-0x0000000007A31000-memory.dmp

Filesize
68KB

Download
memory/764-41-0x00000000064F0000-0x000000000650E000-memory.dmp

Filesize
120KB

Download
memory/764-42-0x0000000006580000-0x00000000065CC000-memory.dmp

Filesize
304KB

Download
memory/764-63-0x0000000007AA0000-0x0000000007B36000-memory.dmp

Filesize
600KB

Download
memory/764-44-0x000000007FD20000-0x000000007FD30000-memory.dmp

Filesize
64KB

Download
memory/764-62-0x0000000007890000-0x000000000789A000-memory.dmp

Filesize
40KB

Download
memory/764-46-0x00000000706F0000-0x000000007073C000-memory.dmp

Filesize
304KB

Download
memory/764-61-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/764-59-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

Filesize
64KB

Download
memory/764-58-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/764-57-0x00000000076C0000-0x0000000007763000-memory.dmp

Filesize
652KB

Download
memory/764-60-0x0000000007E60000-0x00000000084DA000-memory.dmp

Filesize
6.5MB

Download
memory/3272-30-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3272-31-0x0000000001450000-0x0000000001464000-memory.dmp

Filesize
80KB

Download
memory/3272-28-0x0000000000F60000-0x00000000012AA000-memory.dmp

Filesize
3.3MB

Download
memory/3272-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3272-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3408-75-0x0000000009070000-0x0000000009203000-memory.dmp

Filesize
1.6MB

Download
memory/3408-98-0x00000000086C0000-0x000000000876F000-memory.dmp

Filesize
700KB

Download
memory/3408-43-0x0000000009070000-0x0000000009203000-memory.dmp

Filesize
1.6MB

Download
memory/3724-78-0x0000000000CB0000-0x0000000000CDF000-memory.dmp

Filesize
188KB

Download
memory/3724-77-0x0000000000630000-0x0000000000687000-memory.dmp

Filesize
348KB

Download
memory/4044-10-0x0000000002D70000-0x0000000002DE8000-memory.dmp

Filesize
480KB

Download
memory/4044-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-8-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4044-26-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-7-0x00000000058B0000-0x00000000058CE000-memory.dmp

Filesize
120KB

Download
memory/4044-6-0x00000000056F0000-0x000000000578C000-memory.dmp

Filesize
624KB

Download
memory/4044-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/4044-5-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/4044-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4044-3-0x0000000005420000-0x00000000054B2000-memory.dmp

Filesize
584KB

Download
memory/4044-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

Filesize
5.6MB

Download
memory/4044-1-0x0000000000920000-0x00000000009D4000-memory.dmp

Filesize
720KB

Download