formbook | 34834d278c8c71e3cc9d152c073cc444781465c285648630a1be19afab1abd24

General

Target

Shipping Documents.exe
Size

1.1MB
MD5

501077473c7260aa94be655173c8ad40
SHA1

dc677d38541268f2c4a42eb8ba71a6960a04efb3
SHA256

34834d278c8c71e3cc9d152c073cc444781465c285648630a1be19afab1abd24
SHA512

17a8e6021f6dccb9b5848ca6bc02146bd4a8242cf51f6bacbf6b732e7d0e97297337df729b4fd1f7f0abc0a0756122f0fd2a8495416504be65b275208b7e2ae3
SSDEEP

12288:5TLaa0X6S2iN6dn1tWKeMTmHY31v8nhaIdpMdZHs747yr5i6cNOYV2nw:Y510313TC0JIdks7iIv1bw

Score

10^/10

formbook ca82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ca82

Decoy

idunresearch.com

loiioo1.site

aimobilify.com

limousineswebdesign.com

darshan-enterprises.online

javad.top

dd-spy.com

metamysme.co.uk

earticlesdirect.com

ldkj78v.vip

dariusevory.com

bestyoutubepromoter.com

dogcoinacademy.com

mestredosexo.net

mrnofree.africa

plan.rsvp

hoangnam.site

cadcamperform.com

091888.net

artwaylogistics.com

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1188-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1188-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1188-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/840-76-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/840-78-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
700	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1472 set thread context of 1188	1472	Shipping Documents.exe	28
PID 1188 set thread context of 1244	1188	Shipping Documents.exe	7
PID 1188 set thread context of 1244	1188	Shipping Documents.exe	7
PID 840 set thread context of 1244	840	NAPSTAT.EXE	7

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1188	Shipping Documents.exe
1188	Shipping Documents.exe
1188	Shipping Documents.exe
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE
840	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1244	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1188	Shipping Documents.exe
1188	Shipping Documents.exe
1188	Shipping Documents.exe
1188	Shipping Documents.exe
840	NAPSTAT.EXE
840	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1188	Shipping Documents.exe
Token: SeDebugPrivilege	840	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1472 wrote to memory of 1188	1472	Shipping Documents.exe	28
PID 1244 wrote to memory of 840	1244	Explorer.EXE	29
PID 1244 wrote to memory of 840	1244	Explorer.EXE	29
PID 1244 wrote to memory of 840	1244	Explorer.EXE	29
PID 1244 wrote to memory of 840	1244	Explorer.EXE	29
PID 840 wrote to memory of 700	840	NAPSTAT.EXE	30
PID 840 wrote to memory of 700	840	NAPSTAT.EXE	30
PID 840 wrote to memory of 700	840	NAPSTAT.EXE	30
PID 840 wrote to memory of 700	840	NAPSTAT.EXE	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1188
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"
    3⤵
    - Deletes itself
    PID:700

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/840-73-0x00000000005C0000-0x0000000000606000-memory.dmp

Filesize
280KB

Download
memory/840-80-0x0000000000470000-0x0000000000503000-memory.dmp

Filesize
588KB

Download
memory/840-78-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/840-77-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/840-76-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/840-75-0x00000000005C0000-0x0000000000606000-memory.dmp

Filesize
280KB

Download
memory/1188-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-62-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1188-65-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1188-67-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1188-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1188-70-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/1244-71-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1244-72-0x00000000071E0000-0x0000000007357000-memory.dmp

Filesize
1.5MB

Download
memory/1244-68-0x0000000004A30000-0x0000000004B29000-memory.dmp

Filesize
996KB

Download
memory/1244-81-0x0000000004350000-0x0000000004403000-memory.dmp

Filesize
716KB

Download
memory/1244-82-0x0000000004350000-0x0000000004403000-memory.dmp

Filesize
716KB

Download
memory/1244-84-0x0000000004350000-0x0000000004403000-memory.dmp

Filesize
716KB

Download
memory/1472-54-0x0000000000E40000-0x0000000000F58000-memory.dmp

Filesize
1.1MB

Download
memory/1472-59-0x0000000000390000-0x00000000003DC000-memory.dmp

Filesize
304KB

Download
memory/1472-58-0x00000000060A0000-0x0000000006124000-memory.dmp

Filesize
528KB

Download
memory/1472-57-0x0000000000A00000-0x0000000000A0A000-memory.dmp

Filesize
40KB

Download
memory/1472-56-0x0000000000830000-0x0000000000840000-memory.dmp

Filesize
64KB

Download
memory/1472-55-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

Filesize
256KB

Download

Analysis

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