formbook | 48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 14:07

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General

Target

48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Size

649KB
MD5

1366223ed40a1a49c6509a9d7c308d45
SHA1

0ebe3c24e44b842096cb55839bbc2ba9a0db3996
SHA256

48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f
SHA512

bbfca208f541bbd0cc0a8c757bc5d36ce4fdc8892eb069cb223b474dbd28cc5c29a069d14c3e6a0a641d5a1dd46c0741550ee3cb13f022de7dba342b7810fbab
SSDEEP

12288:RnCMxdmEi+hKB6yRP1aZueG0sNhes6EiR9koplkR:3xYEiL51cujNhesfijkou

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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

resource	yara_rule
behavioral2/memory/2128-11-0x0000000000400000-0x000000000042F000-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

pid	Process
1528	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90

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	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
2128	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
2128	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
1528	powershell.exe
1528	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
Token: SeDebugPrivilege	1528	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 1528	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	88
PID 4596 wrote to memory of 1528	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	88
PID 4596 wrote to memory of 1528	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	88
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90
PID 4596 wrote to memory of 2128	4596	48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe	90

C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
"C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
1⤵
- 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:4596
- 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\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1528
- C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe
  "C:\Users\Admin\AppData\Local\Temp\48b1fedfda70deb6e9daab21da06e53950f54c828c40a7390b63baf0a93c956f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2128

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_wchjnw0x.0al.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1528-49-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-17-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-32-0x0000000005CE0000-0x0000000006034000-memory.dmp

Filesize
3.3MB

Download
memory/1528-62-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-59-0x0000000007910000-0x0000000007918000-memory.dmp

Filesize
32KB

Download
memory/1528-57-0x0000000007830000-0x0000000007844000-memory.dmp

Filesize
80KB

Download
memory/1528-58-0x0000000007930000-0x000000000794A000-memory.dmp

Filesize
104KB

Download
memory/1528-56-0x0000000007820000-0x000000000782E000-memory.dmp

Filesize
56KB

Download
memory/1528-55-0x00000000077F0000-0x0000000007801000-memory.dmp

Filesize
68KB

Download
memory/1528-54-0x0000000007870000-0x0000000007906000-memory.dmp

Filesize
600KB

Download
memory/1528-50-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-53-0x0000000007660000-0x000000000766A000-memory.dmp

Filesize
40KB

Download
memory/1528-22-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/1528-15-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1528-16-0x0000000002940000-0x0000000002976000-memory.dmp

Filesize
216KB

Download
memory/1528-48-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/1528-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-19-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/1528-20-0x0000000005290000-0x00000000052B2000-memory.dmp

Filesize
136KB

Download
memory/1528-21-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/1528-47-0x0000000007490000-0x00000000074AE000-memory.dmp

Filesize
120KB

Download
memory/1528-51-0x0000000007C30000-0x00000000082AA000-memory.dmp

Filesize
6.5MB

Download
memory/1528-52-0x00000000075F0000-0x000000000760A000-memory.dmp

Filesize
104KB

Download
memory/1528-33-0x00000000062C0000-0x00000000062DE000-memory.dmp

Filesize
120KB

Download
memory/1528-34-0x0000000006310000-0x000000000635C000-memory.dmp

Filesize
304KB

Download
memory/1528-37-0x0000000070520000-0x000000007056C000-memory.dmp

Filesize
304KB

Download
memory/1528-36-0x0000000074700000-0x0000000074EB0000-memory.dmp

Filesize
7.7MB

Download
memory/1528-35-0x0000000006890000-0x00000000068C2000-memory.dmp

Filesize
200KB

Download
memory/2128-14-0x0000000001340000-0x000000000168A000-memory.dmp

Filesize
3.3MB

Download
memory/2128-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4596-13-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4596-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4596-3-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/4596-8-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4596-2-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/4596-10-0x000000000A720000-0x000000000A7BC000-memory.dmp

Filesize
624KB

Download
memory/4596-9-0x0000000007E70000-0x0000000007EE6000-memory.dmp

Filesize
472KB

Download
memory/4596-1-0x0000000000660000-0x0000000000706000-memory.dmp

Filesize
664KB

Download
memory/4596-7-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4596-6-0x00000000052D0000-0x00000000052E8000-memory.dmp

Filesize
96KB

Download
memory/4596-5-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/4596-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download