formbook | 670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300

General

Target

JaffaCakes118_670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300.ps1
Size

1.5MB
MD5

7ee4c4cd163e4910cb1e5887c4c0547f
SHA1

6d63f1359fa12285fa0f5c22a0e6746548917688
SHA256

670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300
SHA512

61c7e86f9445fca7d8361f9ac7a39d45c40af528deaefde3a2ddc7b10b7361303f9db2cfd12af5faaf26bd05234b22adb4df3123c333694d9847b8bc8ce872c9
SSDEEP

12288:EFwbjfLo4CXHtMqQceGgZnqG7Que3y8utCfGclAXIc3BEHDEOh4XQ6i1Z2PNe3ES:ulskKetTn

Score

10^/10

formbook u3s4 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

u3s4

Decoy

treducation.net

picashowapk.com

puzzletourny.club

alleenas.com

xgyvsf.icu

valencia-noticias.com

xooxd.pet

kikimodel.com

familyfx.win

halosg.com

ishrcb.com

867537.icu

aadibhatt.net

purebloodbanks.com

zhongwentao.top

slot777dunia.com

lesbonbonsdemamiejeanne.com

prune.digital

zsyqfk.com

yamamichi-satoshi.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/2212-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2212-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2900-31-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3056 set thread context of 2212	3056	powershell.exe	31
PID 2212 set thread context of 1200	2212	Calc.exe	21
PID 2900 set thread context of 1200	2900	netsh.exe	21

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3056	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
3056	powershell.exe
3056	powershell.exe
3056	powershell.exe
2212	Calc.exe
2212	Calc.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe
2900	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2212	Calc.exe
2212	Calc.exe
2212	Calc.exe
2900	netsh.exe
2900	netsh.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	2212	Calc.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeDebugPrivilege	2900	netsh.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 3056 wrote to memory of 2212	3056	powershell.exe	31
PID 1200 wrote to memory of 2900	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2900	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2900	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2900	1200	Explorer.EXE	33
PID 2900 wrote to memory of 2904	2900	netsh.exe	34
PID 2900 wrote to memory of 2904	2900	netsh.exe	34
PID 2900 wrote to memory of 2904	2900	netsh.exe	34
PID 2900 wrote to memory of 2904	2900	netsh.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_670cc1bb467dd19d3b038dd5338ce5fc7b315f755c7308ecbc14ca24867ab300.ps1
  2⤵
  - Suspicious use of SetThreadContext
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3056
- - C:\WINDOWS\syswow64\Calc.exe
    "{Path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2212
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:2880
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.exe"
  2⤵
  - 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:2900
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\WINDOWS\syswow64\Calc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-40-0x0000000006E70000-0x0000000006FD0000-memory.dmp

Filesize
1.4MB

Download
memory/1200-38-0x0000000006E70000-0x0000000006FD0000-memory.dmp

Filesize
1.4MB

Download
memory/1200-37-0x0000000006E70000-0x0000000006FD0000-memory.dmp

Filesize
1.4MB

Download
memory/1200-32-0x0000000006890000-0x00000000069B3000-memory.dmp

Filesize
1.1MB

Download
memory/1200-27-0x0000000006890000-0x00000000069B3000-memory.dmp

Filesize
1.1MB

Download
memory/2212-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2212-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-25-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/2212-26-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2212-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2212-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2900-28-0x0000000000D40000-0x0000000000D5B000-memory.dmp

Filesize
108KB

Download
memory/2900-30-0x0000000000D40000-0x0000000000D5B000-memory.dmp

Filesize
108KB

Download
memory/2900-31-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/3056-22-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-14-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-12-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-11-0x0000000002A70000-0x0000000002AD4000-memory.dmp

Filesize
400KB

Download
memory/3056-10-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-8-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-4-0x000007FEF5BBE000-0x000007FEF5BBF000-memory.dmp

Filesize
4KB

Download
memory/3056-15-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-13-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-9-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-7-0x000007FEF5900000-0x000007FEF629D000-memory.dmp

Filesize
9.6MB

Download
memory/3056-6-0x00000000022B0000-0x00000000022B8000-memory.dmp

Filesize
32KB

Download
memory/3056-5-0x000000001B710000-0x000000001B9F2000-memory.dmp

Filesize
2.9MB

Download

Analysis

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