formbook | ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6

General

Target

ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
Size

1.1MB
MD5

9a2a86186b5ee6d85c0dfe909e310552
SHA1

79708082f50cca5c53860aa6bfc404e2762e4044
SHA256

ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6
SHA512

3654142511c651853f4d27abb8780a7c2ceecb3a96843e0de258d1f4234a8d04f6ba015a4ecf5958152778b37195e9aef57f00140be22c9d7591def90a10d20b
SSDEEP

24576:bf+6UNxk0J9Wq3B8VkkogaAlQj+HbvG13BFt:bG6U80Jkq3B8VzogaokYvGpt

Score

10^/10

formbook v15n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

v15n

Decoy

dyahwoahjuk.store

toysstorm.com

y7rak9.com

2222233p6.shop

betbox2341.com

visualvarta.com

nijssenadventures.com

main-12.site

leng4d.net

kurainu.xyz

hatesa.xyz

culturamosaica.com

supermallify.store

gigboard.app

rxforgive.com

ameliestones.com

kapalwin.live

tier.credit

sobol-ksa.com

faredeal.online

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2740-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2724	powershell.exe
2980	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36

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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2840	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2740	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
2724	powershell.exe
2980	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	2980	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2724	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	30
PID 1504 wrote to memory of 2724	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	30
PID 1504 wrote to memory of 2724	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	30
PID 1504 wrote to memory of 2724	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	30
PID 1504 wrote to memory of 2980	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	32
PID 1504 wrote to memory of 2980	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	32
PID 1504 wrote to memory of 2980	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	32
PID 1504 wrote to memory of 2980	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	32
PID 1504 wrote to memory of 2840	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	34
PID 1504 wrote to memory of 2840	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	34
PID 1504 wrote to memory of 2840	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	34
PID 1504 wrote to memory of 2840	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	34
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36
PID 1504 wrote to memory of 2740	1504	ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe	36

C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
"C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2724
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oFKkby.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oFKkby" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3CD2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe
  "C:\Users\Admin\AppData\Local\Temp\ecb208b31c9db988e6a1ec481172f71e646a084add91834c0631ea2dd0d6efd6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2740

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3CD2.tmp

Filesize
1KB

MD5
22e97cc0acebf4b7b6fb3c7ad702d8f6

SHA1
f4c91968d4ab4db01bc3b0e042a0dd7af511a5cb

SHA256
43eb0a4dff7cc1c0366c3daad7dfce5fd81ea23cf95b2c0742212cc0e21ca202

SHA512
e63412a2957b7901ff25f4b9544cf3b7f03feec976cfdf7b65d94b38e8e520de35cdc29cb6ac41e1f10caa4424c305a442c7bf378dc76c8a04ec41f9d07028cf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
888e94bce036f434b397cb59766f7e51

SHA1
654eff9cec3582800157ef3e54f3ae2ccbf35028

SHA256
0b24b96f8626c47161f9ebacde9da95aa2361973973d0e0f608ae55dd8d51dcc

SHA512
9c6f87ed14cc6417862d3530610abd7eba07275ad8b00caa980b65f996dc2c4ca7968d828a43c1c457dadac9909ec5f38a7fe08712f101f3b8438e9548db2437

Download Submit
memory/1504-3-0x0000000000280000-0x0000000000292000-memory.dmp

Filesize
72KB

Download
memory/1504-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/1504-4-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1504-5-0x0000000005C90000-0x0000000005D06000-memory.dmp

Filesize
472KB

Download
memory/1504-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/1504-1-0x0000000000C10000-0x0000000000D26000-memory.dmp

Filesize
1.1MB

Download
memory/1504-24-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads