formbook | 331ca91b3a643aab796547bdd69ecd624ab13ac224ea80f88ca4a8987c0625e3

General

Target

SOA.pdf.exe
Size

599KB
MD5

2417cdb09f72141abfa45cb64e699d91
SHA1

1ddc6b218dd520915ba8933e8214f307387b0e13
SHA256

331ca91b3a643aab796547bdd69ecd624ab13ac224ea80f88ca4a8987c0625e3
SHA512

39e83bd1bb9c0a2d529216ba75bd5ad15ebffb836c188e2723633e58203d2008ff6efb3995b51209992eee3120a36852939925d0282b4b218ceafd0c98f622c6
SSDEEP

12288:Hiu6oMr21DjiSdBaLMl7kKxYBQWHm6ayJNMH00qLsPBUr4wtJ:Hi/KDjJdPbyvm6DrMHPsLr/L

Score

10^/10

formbook fs83 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs83

Decoy

blastol.space

tomwalkerisfalco.com

us-sumatrraslimbellytonic.com

drywallandpaintingservice.com

vntapp.net

passportpages.site

at-mim.com

yeondagoods.com

teomanyildirim.com

paygame.site

senze.art

alhandco.com

9831bsej.xyz

traumatic.xyz

sos-soutien.com

thetechnolgy.live

washing-machine-46612.bond

marvsneakers.com

shequbaike.net

xc4f35fg4h35fg4h53.top

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2536-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2536-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-29-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook
behavioral1/memory/2708-32-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2536	2776	SOA.pdf.exe	30
PID 2536 set thread context of 1200	2536	RegSvcs.exe	21
PID 2708 set thread context of 1200	2708	wscript.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2536	RegSvcs.exe
2536	RegSvcs.exe
2956	powershell.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe
2708	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2536	RegSvcs.exe
2536	RegSvcs.exe
2536	RegSvcs.exe
2708	wscript.exe
2708	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	RegSvcs.exe
Token: SeDebugPrivilege	2956	powershell.exe
Token: SeDebugPrivilege	2708	wscript.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2956	2776	SOA.pdf.exe	28
PID 2776 wrote to memory of 2956	2776	SOA.pdf.exe	28
PID 2776 wrote to memory of 2956	2776	SOA.pdf.exe	28
PID 2776 wrote to memory of 2956	2776	SOA.pdf.exe	28
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 2776 wrote to memory of 2536	2776	SOA.pdf.exe	30
PID 1200 wrote to memory of 2708	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2708	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2708	1200	Explorer.EXE	31
PID 1200 wrote to memory of 2708	1200	Explorer.EXE	31
PID 2708 wrote to memory of 2412	2708	wscript.exe	32
PID 2708 wrote to memory of 2412	2708	wscript.exe	32
PID 2708 wrote to memory of 2412	2708	wscript.exe	32
PID 2708 wrote to memory of 2412	2708	wscript.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\SOA.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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\SOA.pdf.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2956
- - 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:2536
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-34-0x0000000004AD0000-0x0000000004BC2000-memory.dmp

Filesize
968KB

Download
memory/1200-20-0x0000000004AD0000-0x0000000004BC2000-memory.dmp

Filesize
968KB

Download
memory/2536-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2536-19-0x00000000001B0000-0x00000000001C4000-memory.dmp

Filesize
80KB

Download
memory/2536-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2536-16-0x0000000000A40000-0x0000000000D43000-memory.dmp

Filesize
3.0MB

Download
memory/2536-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2536-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2536-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-27-0x0000000000A50000-0x0000000000A76000-memory.dmp

Filesize
152KB

Download
memory/2708-28-0x0000000000A50000-0x0000000000A76000-memory.dmp

Filesize
152KB

Download
memory/2708-35-0x0000000000470000-0x0000000000503000-memory.dmp

Filesize
588KB

Download
memory/2708-32-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2708-30-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/2708-29-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2776-4-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/2776-5-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/2776-6-0x0000000000490000-0x00000000004A4000-memory.dmp

Filesize
80KB

Download
memory/2776-1-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-2-0x00000000007C0000-0x0000000000800000-memory.dmp

Filesize
256KB

Download
memory/2776-15-0x0000000074A30000-0x000000007511E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-0-0x00000000003E0000-0x000000000047A000-memory.dmp

Filesize
616KB

Download
memory/2776-3-0x0000000004680000-0x0000000004712000-memory.dmp

Filesize
584KB

Download
memory/2776-7-0x0000000004CA0000-0x0000000004D16000-memory.dmp

Filesize
472KB

Download
memory/2956-24-0x0000000074A60000-0x000000007500B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-31-0x0000000074A60000-0x000000007500B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-26-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/2956-25-0x0000000002700000-0x0000000002740000-memory.dmp

Filesize
256KB

Download
memory/2956-23-0x0000000074A60000-0x000000007500B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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