formbook | de267740c487b607f8e945b57e2d5b5089e57fb308bf34717d5a77e837d5a443

General

Target

a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
Size

980KB
MD5

49df2d63fd7afa631222eee0457d989f
SHA1

40afb69785c995457d36019c130def02c999c32b
SHA256

a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c
SHA512

1d65b70cbf7b053c80c73061ccfb8aaf62223ea6c24fce6542660e1acbd97ddb8cd06d540f2bdf7e2611775287a84251ca7e8c26e0b326ec55107297ed0fe08e
SSDEEP

24576:C1fg46FJHBOzT8XaRMBpeW+l0ohooeqS:CMXIMBZw0G

Score

10^/10

formbook d2g7 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

d2g7

Decoy

inviteonlyme.com

noashopping.com

raysyoutube.com

chicagp.com

brnguatemala.com

speechboutique.com

philippinepodcastdirectory.com

konnecio.com

9q1ng6.icu

treez.info

appleiclou.com

pettras.com

txherz.icu

freearcae.com

mindpetalsoftwaresolutions.com

my-beautiful-switzerland.com

hpzebike.online

fadsekclub.xyz

newcastledhaka.com

varidsk.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/604-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/604-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3040-27-0x0000000000080000-0x00000000000AF000-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
2868	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 604 set thread context of 1236	604	RegSvcs.exe	21
PID 604 set thread context of 1236	604	RegSvcs.exe	21
PID 3040 set thread context of 1236	3040	explorer.exe	21

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 6 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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2768	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
604	RegSvcs.exe
604	RegSvcs.exe
2868	powershell.exe
604	RegSvcs.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe
3040	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
604	RegSvcs.exe
604	RegSvcs.exe
604	RegSvcs.exe
604	RegSvcs.exe
3040	explorer.exe
3040	explorer.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
Token: SeDebugPrivilege	604	RegSvcs.exe
Token: SeDebugPrivilege	2868	powershell.exe
Token: SeDebugPrivilege	3040	explorer.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2868	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	31
PID 2236 wrote to memory of 2868	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	31
PID 2236 wrote to memory of 2868	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	31
PID 2236 wrote to memory of 2868	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	31
PID 2236 wrote to memory of 2768	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	33
PID 2236 wrote to memory of 2768	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	33
PID 2236 wrote to memory of 2768	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	33
PID 2236 wrote to memory of 2768	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	33
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 2236 wrote to memory of 604	2236	a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe	35
PID 604 wrote to memory of 3040	604	RegSvcs.exe	36
PID 604 wrote to memory of 3040	604	RegSvcs.exe	36
PID 604 wrote to memory of 3040	604	RegSvcs.exe	36
PID 604 wrote to memory of 3040	604	RegSvcs.exe	36
PID 3040 wrote to memory of 1332	3040	explorer.exe	37
PID 3040 wrote to memory of 1332	3040	explorer.exe	37
PID 3040 wrote to memory of 1332	3040	explorer.exe	37
PID 3040 wrote to memory of 1332	3040	explorer.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe
  "C:\Users\Admin\AppData\Local\Temp\a3b2ca126add4732d765ef196f58454bf5bc686027617150d55e1f06cec32f1c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\seWTboQkNZ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2868
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\seWTboQkNZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2768
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:604
  - - C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3040
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5023.tmp

Filesize
1KB

MD5
2e458f09f60d470939e45aa34ad58c41

SHA1
b54b2ee4edd7172683d83d5800b2e3acd0244419

SHA256
08b12ce9fb57891ce587498f5caf24dac6268443c6a91114717a03806876b1ae

SHA512
c9cdc134b13c0e471d1aa940228e706ec57906aba2ea8aa5f73ad9263e1f4d83b7cdbe1a152a608828a0fbe87789d068197fcbb7a668afec3d7abd0f403a7a5a

Download Submit
memory/604-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/604-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1236-25-0x0000000006C50000-0x0000000006DA1000-memory.dmp

Filesize
1.3MB

Download
memory/1236-23-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2236-4-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2236-12-0x00000000058B0000-0x0000000005910000-memory.dmp

Filesize
384KB

Download
memory/2236-6-0x00000000055A0000-0x0000000005680000-memory.dmp

Filesize
896KB

Download
memory/2236-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2236-21-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-3-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2236-2-0x0000000000440000-0x0000000000452000-memory.dmp

Filesize
72KB

Download
memory/2236-1-0x0000000000E90000-0x0000000000F8C000-memory.dmp

Filesize
1008KB

Download
memory/3040-26-0x0000000000320000-0x00000000005A1000-memory.dmp

Filesize
2.5MB

Download
memory/3040-27-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads