formbook | 2e22d1469e5bc652bc2a5d4180e4ade7f280515b12546416dd9cea6ea4b2ca3b

General

Target

DHL Notification_pdf.exe
Size

955KB
MD5

e4d3a2a96f83710d4f05c95db5bf32ce
SHA1

560a72bee671905998930ec51ba02a03644242d0
SHA256

2e22d1469e5bc652bc2a5d4180e4ade7f280515b12546416dd9cea6ea4b2ca3b
SHA512

ee94abac814d0dc4f5e7d2d14f1bb31e4ae3fccd8624b2240a10b6c5d6568733a9582f25d9b0e5a846992e1172485a0794b562d1f409d31b54faaf34555f666e
SSDEEP

24576:nv2fBGmdLD9uZW8T90mDrM0E+91Sccdj5Mw:v2pGmhZuZr90mDF9Uuw

Score

10^/10

formbook ko29 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ko29

Decoy

citusdig.site

ecomrise.store

aringtonortho.com

plan-indonesia.com

retreat-to-the-alps.com

themerchperch.biz

freshfashiondesign.com

zachmizrachi.com

machomancoin.site

racunhariini.com

13378888.com

landofnd.com

techactive.digital

yourdebttips.com

www147171.com

xraino.top

willshouseofhorrors.com

redfiree.com

cyanband.com

srbs35.com

Signatures

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

Formbook payload 6 IoCs

rat

resource	yara_rule
behavioral1/memory/1280-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1280-64-0x000000000041F0E0-mapping.dmp	formbook
behavioral1/memory/1280-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1280-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1780-77-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook
behavioral1/memory/1780-81-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1716	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1348 set thread context of 1280	1348	DHL Notification_pdf.exe	26
PID 1280 set thread context of 1188	1280	DHL Notification_pdf.exe	12
PID 1280 set thread context of 1188	1280	DHL Notification_pdf.exe	12
PID 1780 set thread context of 1188	1780	NAPSTAT.EXE	12

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1280	DHL Notification_pdf.exe
1280	DHL Notification_pdf.exe
1280	DHL Notification_pdf.exe
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1280	DHL Notification_pdf.exe
1280	DHL Notification_pdf.exe
1280	DHL Notification_pdf.exe
1280	DHL Notification_pdf.exe
1780	NAPSTAT.EXE
1780	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	DHL Notification_pdf.exe
Token: SeDebugPrivilege	1780	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1348 wrote to memory of 1280	1348	DHL Notification_pdf.exe	26
PID 1280 wrote to memory of 1780	1280	DHL Notification_pdf.exe	27
PID 1280 wrote to memory of 1780	1280	DHL Notification_pdf.exe	27
PID 1280 wrote to memory of 1780	1280	DHL Notification_pdf.exe	27
PID 1280 wrote to memory of 1780	1280	DHL Notification_pdf.exe	27
PID 1780 wrote to memory of 1716	1780	NAPSTAT.EXE	28
PID 1780 wrote to memory of 1716	1780	NAPSTAT.EXE	28
PID 1780 wrote to memory of 1716	1780	NAPSTAT.EXE	28
PID 1780 wrote to memory of 1716	1780	NAPSTAT.EXE	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1280
  - - C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1780
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\DHL Notification_pdf.exe"
        5⤵
        Deletes itself
        
        PID:1716

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1188-69-0x0000000004A80000-0x0000000004BAF000-memory.dmp

Filesize
1.2MB

Download
memory/1188-82-0x00000000042A0000-0x0000000004375000-memory.dmp

Filesize
852KB

Download
memory/1188-80-0x00000000042A0000-0x0000000004375000-memory.dmp

Filesize
852KB

Download
memory/1188-72-0x0000000004D50000-0x0000000004EF3000-memory.dmp

Filesize
1.6MB

Download
memory/1280-68-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/1280-71-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/1280-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-64-0x000000000041F0E0-mapping.dmp

Download
memory/1280-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-67-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/1280-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1348-57-0x00000000005E0000-0x00000000005EC000-memory.dmp

Filesize
48KB

Download
memory/1348-58-0x0000000007FB0000-0x000000000803E000-memory.dmp

Filesize
568KB

Download
memory/1348-59-0x0000000007E90000-0x0000000007EC4000-memory.dmp

Filesize
208KB

Download
memory/1348-54-0x0000000000DD0000-0x0000000000EC4000-memory.dmp

Filesize
976KB

Download
memory/1348-56-0x00000000004D0000-0x00000000004E4000-memory.dmp

Filesize
80KB

Download
memory/1348-55-0x0000000074F41000-0x0000000074F43000-memory.dmp

Filesize
8KB

Download
memory/1716-75-0x0000000000000000-mapping.dmp

Download
memory/1780-73-0x0000000000000000-mapping.dmp

Download
memory/1780-76-0x0000000000650000-0x0000000000696000-memory.dmp

Filesize
280KB

Download
memory/1780-77-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download
memory/1780-78-0x0000000001F00000-0x0000000002203000-memory.dmp

Filesize
3.0MB

Download
memory/1780-79-0x0000000001E40000-0x0000000001ED3000-memory.dmp

Filesize
588KB

Download
memory/1780-81-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download

Analysis

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