formbook | 82dd2bfd25a61da5662242efc077d1ac5994b4fadd3cb6c6d1668a5821db3840

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 18:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
Size

1.0MB
MD5

e5642a38bb30edfbcbe6a6310a957947
SHA1

ccaaf390759ed34d4ac19845c3ec7b36d9c71596
SHA256

fae26e4e053e961e5915ce5c4f61fc17ef33ca7252b0bfeb253cd3f15a2014cd
SHA512

8981e5e999a41a01237bea5715df1180995438851d1838ea8d76ce02b38b9ab3933b5f60c16750437e0bf420bf6b4dbdb73a5cbace48b12a4a97c0825b42d737
SSDEEP

24576:kqqo1m20WeUUidksW25gr4sgoSZMKLdba7AuuzXdLd+Epw:kqZg2ZjgVBwdWMNzf+Epw

Score

10^/10

formbook jr22 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

jr22

Decoy

941zhe.com

lunarportal.space

xn--osmaniyeiek-t9ab.online

trejoscar.com

nrnursery.com

quizcannot.cfd

seedstockersthailand.com

watsonwindow.com

wjfholdings.com

weziclondon.com

naruot.xyz

yeji.plus

classicmenstore.com

oharatravel.com

therapyplankits.com

keviegreshonpt.com

qdlyner.com

seithupaarungal.com

casinorates.online

8ug4as.icu

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/2248-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2248-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2248-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2292-76-0x0000000000510000-0x000000000053F000-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
4472	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2248 set thread context of 3536	2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	56
PID 2248 set thread context of 3536	2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	56
PID 2292 set thread context of 3536	2292	mstsc.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 4 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	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
4472	powershell.exe
4472	powershell.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe
2292	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
2292	mstsc.exe
2292	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
Token: SeDebugPrivilege	4472	powershell.exe
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE
Token: SeDebugPrivilege	2292	mstsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4472	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	100
PID 2736 wrote to memory of 4472	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	100
PID 2736 wrote to memory of 4472	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	100
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 2736 wrote to memory of 2248	2736	Santander confirming Aviso de pago 204563170sanlccjavap0003.exe	102
PID 3536 wrote to memory of 2292	3536	Explorer.EXE	103
PID 3536 wrote to memory of 2292	3536	Explorer.EXE	103
PID 3536 wrote to memory of 2292	3536	Explorer.EXE	103
PID 2292 wrote to memory of 368	2292	mstsc.exe	104
PID 2292 wrote to memory of 368	2292	mstsc.exe	104
PID 2292 wrote to memory of 368	2292	mstsc.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Users\Admin\AppData\Local\Temp\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
  "C:\Users\Admin\AppData\Local\Temp\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4472
- - C:\Users\Admin\AppData\Local\Temp\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe
    "C:\Users\Admin\AppData\Local\Temp\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2248
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2292
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Santander confirming Aviso de pago 204563170sanlccjavap0003.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:368

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

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rkqqpom4.mca.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2248-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2248-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2248-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2248-25-0x0000000000E40000-0x0000000000E54000-memory.dmp

Filesize
80KB

Download
memory/2248-71-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2248-22-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download
memory/2292-73-0x0000000000270000-0x00000000003AA000-memory.dmp

Filesize
1.2MB

Download
memory/2292-76-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/2292-75-0x0000000000270000-0x00000000003AA000-memory.dmp

Filesize
1.2MB

Download
memory/2736-13-0x00000000081D0000-0x000000000823C000-memory.dmp

Filesize
432KB

Download
memory/2736-4-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-12-0x0000000008120000-0x0000000008186000-memory.dmp

Filesize
408KB

Download
memory/2736-8-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-7-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2736-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2736-17-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/2736-1-0x00000000003F0000-0x00000000004FA000-memory.dmp

Filesize
1.0MB

Download
memory/2736-10-0x0000000006C90000-0x0000000006D54000-memory.dmp

Filesize
784KB

Download
memory/2736-6-0x00000000054A0000-0x00000000054B4000-memory.dmp

Filesize
80KB

Download
memory/2736-9-0x0000000006750000-0x000000000675C000-memory.dmp

Filesize
48KB

Download
memory/2736-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/2736-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

Filesize
5.6MB

Download
memory/2736-11-0x0000000008080000-0x000000000811C000-memory.dmp

Filesize
624KB

Download
memory/2736-3-0x0000000004F00000-0x0000000004F92000-memory.dmp

Filesize
584KB

Download
memory/3536-72-0x0000000004C00000-0x0000000004D26000-memory.dmp

Filesize
1.1MB

Download
memory/3536-26-0x00000000033A0000-0x000000000346E000-memory.dmp

Filesize
824KB

Download
memory/3536-77-0x0000000004C00000-0x0000000004D26000-memory.dmp

Filesize
1.1MB

Download
memory/3536-81-0x0000000008DC0000-0x0000000008F07000-memory.dmp

Filesize
1.3MB

Download
memory/4472-38-0x0000000005CF0000-0x0000000006044000-memory.dmp

Filesize
3.3MB

Download
memory/4472-40-0x00000000062C0000-0x000000000630C000-memory.dmp

Filesize
304KB

Download
memory/4472-41-0x000000007F5F0000-0x000000007F600000-memory.dmp

Filesize
64KB

Download
memory/4472-42-0x0000000007180000-0x00000000071B2000-memory.dmp

Filesize
200KB

Download
memory/4472-43-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

Filesize
304KB

Download
memory/4472-55-0x00000000071C0000-0x00000000071DE000-memory.dmp

Filesize
120KB

Download
memory/4472-54-0x0000000004E00000-0x0000000004E10000-memory.dmp

Filesize
64KB

Download
memory/4472-53-0x0000000004E00000-0x0000000004E10000-memory.dmp

Filesize
64KB

Download
memory/4472-56-0x00000000073F0000-0x0000000007493000-memory.dmp

Filesize
652KB

Download
memory/4472-57-0x0000000007B60000-0x00000000081DA000-memory.dmp

Filesize
6.5MB

Download
memory/4472-58-0x0000000007520000-0x000000000753A000-memory.dmp

Filesize
104KB

Download
memory/4472-59-0x0000000007590000-0x000000000759A000-memory.dmp

Filesize
40KB

Download
memory/4472-60-0x00000000077A0000-0x0000000007836000-memory.dmp

Filesize
600KB

Download
memory/4472-61-0x0000000007720000-0x0000000007731000-memory.dmp

Filesize
68KB

Download
memory/4472-62-0x0000000007750000-0x000000000775E000-memory.dmp

Filesize
56KB

Download
memory/4472-63-0x0000000007760000-0x0000000007774000-memory.dmp

Filesize
80KB

Download
memory/4472-64-0x0000000007860000-0x000000000787A000-memory.dmp

Filesize
104KB

Download
memory/4472-65-0x0000000007840000-0x0000000007848000-memory.dmp

Filesize
32KB

Download
memory/4472-68-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-39-0x00000000061F0000-0x000000000620E000-memory.dmp

Filesize
120KB

Download
memory/4472-28-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/4472-27-0x0000000005120000-0x0000000005142000-memory.dmp

Filesize
136KB

Download
memory/4472-20-0x0000000005440000-0x0000000005A68000-memory.dmp

Filesize
6.2MB

Download
memory/4472-21-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-19-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4472-18-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/4472-16-0x0000000001120000-0x0000000001156000-memory.dmp

Filesize
216KB

Download