formbook | 96798ee353f0de728c22d8b195ea54b525b6051e893191f5a3e897b4ab651f5a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 20:07

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General

Target

PO.exe
Size

770KB
MD5

c1635c946995f26c2bc72d1447c1cc6d
SHA1

55463dde7149dbef65f81050bfe7c6339b0017a7
SHA256

fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
SHA512

978e8aeb6ead9e24a70d99c7abf997ecde00d9b7be4017c9b66ac2d27dd9e38c2935f579d86c40ad62f1ec8095fdcd4b5de98e07305f35834d4b36f79182da62
SSDEEP

24576:d9x4mDEoD8Kz+/22LlfcLsXetxlaIGgVT:d9x4mooDLzE7TYxlaq

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 payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1796-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1796-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3220-70-0x0000000000340000-0x000000000036F000-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
2176	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	PO.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4952 set thread context of 1796	4952	PO.exe	91
PID 1796 set thread context of 3428	1796	PO.exe	56
PID 3220 set thread context of 3428	3220	ipconfig.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3220	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4952	PO.exe
4952	PO.exe
1796	PO.exe
1796	PO.exe
1796	PO.exe
1796	PO.exe
2176	powershell.exe
2176	powershell.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe
3220	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1796	PO.exe
1796	PO.exe
1796	PO.exe
3220	ipconfig.exe
3220	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	PO.exe
Token: SeDebugPrivilege	1796	PO.exe
Token: SeDebugPrivilege	2176	powershell.exe
Token: SeDebugPrivilege	3220	ipconfig.exe
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 2176	4952	PO.exe	89
PID 4952 wrote to memory of 2176	4952	PO.exe	89
PID 4952 wrote to memory of 2176	4952	PO.exe	89
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 4952 wrote to memory of 1796	4952	PO.exe	91
PID 3428 wrote to memory of 3220	3428	Explorer.EXE	92
PID 3428 wrote to memory of 3220	3428	Explorer.EXE	92
PID 3428 wrote to memory of 3220	3428	Explorer.EXE	92
PID 3220 wrote to memory of 4608	3220	ipconfig.exe	93
PID 3220 wrote to memory of 4608	3220	ipconfig.exe	93
PID 3220 wrote to memory of 4608	3220	ipconfig.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.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:4952
- - 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\PO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2176
- - C:\Users\Admin\AppData\Local\Temp\PO.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1796
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3220
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4608

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uzjb3jy3.wk4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1796-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1796-24-0x0000000000FF0000-0x0000000001004000-memory.dmp

Filesize
80KB

Download
memory/1796-25-0x0000000001060000-0x00000000013AA000-memory.dmp

Filesize
3.3MB

Download
memory/2176-13-0x00000000021F0000-0x0000000002226000-memory.dmp

Filesize
216KB

Download
memory/2176-58-0x0000000007150000-0x00000000071E6000-memory.dmp

Filesize
600KB

Download
memory/2176-38-0x0000000006060000-0x00000000060AC000-memory.dmp

Filesize
304KB

Download
memory/2176-69-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/2176-66-0x00000000071F0000-0x00000000071F8000-memory.dmp

Filesize
32KB

Download
memory/2176-65-0x0000000007210000-0x000000000722A000-memory.dmp

Filesize
104KB

Download
memory/2176-64-0x0000000007110000-0x0000000007124000-memory.dmp

Filesize
80KB

Download
memory/2176-63-0x0000000007100000-0x000000000710E000-memory.dmp

Filesize
56KB

Download
memory/2176-62-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/2176-15-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/2176-19-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/2176-14-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/2176-16-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/2176-20-0x0000000004AD0000-0x0000000004AF2000-memory.dmp

Filesize
136KB

Download
memory/2176-22-0x0000000004BE0000-0x0000000004C46000-memory.dmp

Filesize
408KB

Download
memory/2176-21-0x0000000004B70000-0x0000000004BD6000-memory.dmp

Filesize
408KB

Download
memory/2176-37-0x0000000005B80000-0x0000000005B9E000-memory.dmp

Filesize
120KB

Download
memory/2176-59-0x00000000070D0000-0x00000000070E1000-memory.dmp

Filesize
68KB

Download
memory/2176-57-0x0000000006F40000-0x0000000006F4A000-memory.dmp

Filesize
40KB

Download
memory/2176-32-0x0000000005570000-0x00000000058C4000-memory.dmp

Filesize
3.3MB

Download
memory/2176-56-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/2176-55-0x0000000007510000-0x0000000007B8A000-memory.dmp

Filesize
6.5MB

Download
memory/2176-39-0x000000007F6A0000-0x000000007F6B0000-memory.dmp

Filesize
64KB

Download
memory/2176-54-0x0000000006BB0000-0x0000000006C53000-memory.dmp

Filesize
652KB

Download
memory/2176-51-0x0000000006B90000-0x0000000006BAE000-memory.dmp

Filesize
120KB

Download
memory/2176-40-0x0000000006B50000-0x0000000006B82000-memory.dmp

Filesize
200KB

Download
memory/2176-41-0x0000000071920000-0x000000007196C000-memory.dmp

Filesize
304KB

Download
memory/2176-53-0x0000000004780000-0x0000000004790000-memory.dmp

Filesize
64KB

Download
memory/2176-52-0x0000000004780000-0x0000000004790000-memory.dmp

Filesize
64KB

Download
memory/3220-61-0x0000000000BF0000-0x0000000000BFB000-memory.dmp

Filesize
44KB

Download
memory/3220-60-0x0000000000BF0000-0x0000000000BFB000-memory.dmp

Filesize
44KB

Download
memory/3220-70-0x0000000000340000-0x000000000036F000-memory.dmp

Filesize
188KB

Download
memory/3428-74-0x0000000008C90000-0x0000000008DB2000-memory.dmp

Filesize
1.1MB

Download
memory/3428-26-0x0000000005050000-0x00000000051FD000-memory.dmp

Filesize
1.7MB

Download
memory/4952-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

Filesize
584KB

Download
memory/4952-4-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

Filesize
40KB

Download
memory/4952-6-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/4952-2-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/4952-1-0x0000000000180000-0x0000000000246000-memory.dmp

Filesize
792KB

Download
memory/4952-0-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/4952-5-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4952-10-0x0000000008C00000-0x0000000008C9C000-memory.dmp

Filesize
624KB

Download
memory/4952-9-0x0000000006550000-0x00000000065C6000-memory.dmp

Filesize
472KB

Download
memory/4952-8-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/4952-7-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/4952-17-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download