formbook | ad7b11d538d1b3e39d30c7cd9523c744cd1dc061002aa38d0779b67c923b5945

General

Target

Purchase Order number n° 20220741.exe
Size

995KB
MD5

78555e148afa5a103c938dcd5da2293c
SHA1

e1a03ff97dd2ae0d2244c5694ec409de141b4d23
SHA256

ad7b11d538d1b3e39d30c7cd9523c744cd1dc061002aa38d0779b67c923b5945
SHA512

b50b7f929fceb85f30194595c86a371db00e3a5ecc92849fe06f177fbf5c5fbe01d5f0af9c79016de253c72da1ca80db0320fffc7a6aad5f640e7f68bfb133b1
SSDEEP

12288:9kY09G/Ju+/rXNzQTETwB9kzy7U0EAgcQVkN8Cs/jdv6cx:9kZG/Ju+T2ETK9+KU0UcACGv

Score

10^/10

formbook s11n rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

s11n

Decoy

ugokk.com

webglobalmart.com

giapponetour.com

ericdhaun.com

sewozy33.com

bgw.info

montakcha.online

rayrung.com

thebranddesi.com

liamba.fun

whatismyipaddress.online

ggg9z-a1bzgkze.kred

greatowlbooks.site

sz1992.com

coolonebr.online

xhs782.vip

fizzell.site

dwpato.xyz

pelicankids.store

gopensum.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/1124-63-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1124-64-0x000000000041F080-mapping.dmp	formbook
behavioral1/memory/1124-69-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1124-73-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1660-75-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1660-80-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1548	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1124 set thread context of 1444	1124	Purchase Order number n° 20220741.exe	11
PID 1124 set thread context of 1444	1124	Purchase Order number n° 20220741.exe	11
PID 1660 set thread context of 1444	1660	netsh.exe	11

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1124	Purchase Order number n° 20220741.exe
1124	Purchase Order number n° 20220741.exe
1124	Purchase Order number n° 20220741.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe
1660	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1124	Purchase Order number n° 20220741.exe
1124	Purchase Order number n° 20220741.exe
1124	Purchase Order number n° 20220741.exe
1124	Purchase Order number n° 20220741.exe
1660	netsh.exe
1660	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1124	Purchase Order number n° 20220741.exe
Token: SeDebugPrivilege	1660	netsh.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1444	Explorer.EXE
1444	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1444	Explorer.EXE
1444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1248 wrote to memory of 1124	1248	Purchase Order number n° 20220741.exe	26
PID 1124 wrote to memory of 1660	1124	Purchase Order number n° 20220741.exe	27
PID 1124 wrote to memory of 1660	1124	Purchase Order number n° 20220741.exe	27
PID 1124 wrote to memory of 1660	1124	Purchase Order number n° 20220741.exe	27
PID 1124 wrote to memory of 1660	1124	Purchase Order number n° 20220741.exe	27
PID 1660 wrote to memory of 1548	1660	netsh.exe	28
PID 1660 wrote to memory of 1548	1660	netsh.exe	28
PID 1660 wrote to memory of 1548	1660	netsh.exe	28
PID 1660 wrote to memory of 1548	1660	netsh.exe	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1444
- C:\Users\Admin\AppData\Local\Temp\Purchase Order number n° 20220741.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order number n° 20220741.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Users\Admin\AppData\Local\Temp\Purchase Order number n° 20220741.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order number n° 20220741.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1124
  - - C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1660
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Order number n° 20220741.exe"
        5⤵
        Deletes itself
        
        PID:1548

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1124-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1124-70-0x0000000000430000-0x0000000000445000-memory.dmp

Filesize
84KB

Download
memory/1124-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1124-67-0x0000000000130000-0x0000000000145000-memory.dmp

Filesize
84KB

Download
memory/1124-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1124-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1124-66-0x0000000000CE0000-0x0000000000FE3000-memory.dmp

Filesize
3.0MB

Download
memory/1124-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1248-55-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1248-59-0x0000000000BA0000-0x0000000000BD4000-memory.dmp

Filesize
208KB

Download
memory/1248-58-0x00000000009B0000-0x0000000000A3E000-memory.dmp

Filesize
568KB

Download
memory/1248-54-0x0000000000BE0000-0x0000000000CE0000-memory.dmp

Filesize
1024KB

Download
memory/1248-57-0x0000000000760000-0x000000000076C000-memory.dmp

Filesize
48KB

Download
memory/1248-56-0x00000000004B0000-0x00000000004CA000-memory.dmp

Filesize
104KB

Download
memory/1444-68-0x0000000004840000-0x0000000004934000-memory.dmp

Filesize
976KB

Download
memory/1444-71-0x0000000004970000-0x0000000004AD8000-memory.dmp

Filesize
1.4MB

Download
memory/1444-79-0x0000000004300000-0x00000000043C2000-memory.dmp

Filesize
776KB

Download
memory/1444-81-0x0000000004300000-0x00000000043C2000-memory.dmp

Filesize
776KB

Download
memory/1660-74-0x0000000001000000-0x000000000101B000-memory.dmp

Filesize
108KB

Download
memory/1660-75-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1660-77-0x0000000000BA0000-0x0000000000EA3000-memory.dmp

Filesize
3.0MB

Download
memory/1660-78-0x0000000000EB0000-0x0000000000F44000-memory.dmp

Filesize
592KB

Download
memory/1660-80-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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