formbook | bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3

Analysis

max time kernel
94s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2024 16:58

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General

Target

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
Size

689KB
MD5

bd16d4091b49dcf06f79b7dccd8076b1
SHA1

b37fab8b6068f595e54b692318ad87ecdaee0cf7
SHA256

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3
SHA512

760d747dea7d69c056a70452e9b0b321ad01cc9b5031d759273e8ecbd46d02a9a9f16ebf7e80c925253ace422ff671006456a604f51d42f825d1fe56bb79d3bc
SSDEEP

12288:1bJbQWSL/h6HWSpws2t0dAWT9ymEtboOCJVMH3:dJbQxLQHWSph2t0OWTgmENoOCJVC

Score

10^/10

formbook m17o discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m17o

Decoy

kzqh72.top

arket-obybqq.xyz

afechoice.click

ote-knplpa.xyz

aqgpie.xyz

orker-ornp.xyz

he-beds321.today

ut-nlvv.xyz

31231827.xyz

milymariephotography.net

wquqo.click

veu-where.xyz

mjcpo-pick.xyz

yself-lpnbdl.xyz

austoowagosha.net

ive-wgag.xyz

lay-drift-palace.xyz

old-vubgv.xyz

ideo-shooting-courses.today

ntendsisaiasjazmin.shop

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3220-11-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
4868	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

Processes:

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe

description	pid	Process	procid_target
PID 4900 set thread context of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95

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

Processes:

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exepowershell.exe

pid	Process
3220	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
3220	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
4868	powershell.exe
4868	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	4868	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe

description	pid	Process	procid_target
PID 4900 wrote to memory of 4868	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	93
PID 4900 wrote to memory of 4868	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	93
PID 4900 wrote to memory of 4868	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	93
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95
PID 4900 wrote to memory of 3220	4900	bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe	95

C:\Users\Admin\AppData\Local\Temp\bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
"C:\Users\Admin\AppData\Local\Temp\bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900
- 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\bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4868
- C:\Users\Admin\AppData\Local\Temp\bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe
  "C:\Users\Admin\AppData\Local\Temp\bffdb4bbb96acd911702c208b2b5d92556a26fe4f3b59e9a4a339c353525fec3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3220

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_00eu5k5c.4ig.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3220-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3220-14-0x0000000001680000-0x00000000019CA000-memory.dmp

Filesize
3.3MB

Download
memory/3220-63-0x0000000001680000-0x00000000019CA000-memory.dmp

Filesize
3.3MB

Download
memory/4868-32-0x0000000005740000-0x0000000005A94000-memory.dmp

Filesize
3.3MB

Download
memory/4868-47-0x0000000006150000-0x000000000616E000-memory.dmp

Filesize
120KB

Download
memory/4868-58-0x0000000007280000-0x000000000729A000-memory.dmp

Filesize
104KB

Download
memory/4868-57-0x0000000007180000-0x0000000007194000-memory.dmp

Filesize
80KB

Download
memory/4868-56-0x0000000007170000-0x000000000717E000-memory.dmp

Filesize
56KB

Download
memory/4868-55-0x0000000007140000-0x0000000007151000-memory.dmp

Filesize
68KB

Download
memory/4868-54-0x00000000071C0000-0x0000000007256000-memory.dmp

Filesize
600KB

Download
memory/4868-53-0x0000000006FB0000-0x0000000006FBA000-memory.dmp

Filesize
40KB

Download
memory/4868-52-0x00000000062D0000-0x00000000062EA000-memory.dmp

Filesize
104KB

Download
memory/4868-22-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/4868-15-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/4868-16-0x0000000000EA0000-0x0000000000ED6000-memory.dmp

Filesize
216KB

Download
memory/4868-48-0x0000000006EF0000-0x0000000006F93000-memory.dmp

Filesize
652KB

Download
memory/4868-59-0x0000000007260000-0x0000000007268000-memory.dmp

Filesize
32KB

Download
memory/4868-51-0x0000000007620000-0x0000000007C9A000-memory.dmp

Filesize
6.5MB

Download
memory/4868-20-0x0000000004C50000-0x0000000004C72000-memory.dmp

Filesize
136KB

Download
memory/4868-21-0x0000000004CF0000-0x0000000004D56000-memory.dmp

Filesize
408KB

Download
memory/4868-62-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4868-19-0x0000000004DF0000-0x0000000005418000-memory.dmp

Filesize
6.2MB

Download
memory/4868-17-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4868-33-0x0000000005C10000-0x0000000005C2E000-memory.dmp

Filesize
120KB

Download
memory/4868-34-0x00000000061B0000-0x00000000061FC000-memory.dmp

Filesize
304KB

Download
memory/4868-35-0x0000000006220000-0x0000000006252000-memory.dmp

Filesize
200KB

Download
memory/4868-36-0x00000000710B0000-0x00000000710FC000-memory.dmp

Filesize
304KB

Download
memory/4868-37-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4868-18-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4868-49-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4868-50-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4900-13-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-4-0x0000000004E70000-0x0000000004F0C000-memory.dmp

Filesize
624KB

Download
memory/4900-2-0x00000000052E0000-0x0000000005884000-memory.dmp

Filesize
5.6MB

Download
memory/4900-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/4900-10-0x0000000006350000-0x00000000063CA000-memory.dmp

Filesize
488KB

Download
memory/4900-9-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-8-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/4900-7-0x00000000052D0000-0x00000000052E2000-memory.dmp

Filesize
72KB

Download
memory/4900-6-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4900-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/4900-1-0x0000000000440000-0x00000000004F2000-memory.dmp

Filesize
712KB

Download
memory/4900-3-0x0000000004DD0000-0x0000000004E62000-memory.dmp

Filesize
584KB

Download