formbook | 84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997

General

Target

84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe
Size

759KB
MD5

73971d9bb5978da625ee8033c26f24dc
SHA1

ca74d84b32614f44ada286894de27ae4dbcbed2f
SHA256

84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997
SHA512

e5e836ae19e85a8350b443a08f3c0484251907a9db5581601be60c3e6020c86a3352fa0d0f7b895dac08ad917db7401db4e6b2bdc31cdea45ca9b9776db8f2e6
SSDEEP

12288:wCc05cBN2iN/BAzTlce2clOTeA17pbEhDIaj4/sZuMn+AwDLZ014GBK:wCc05cBN1FBAzTlHOTeAChjlZuTA2LZ+

Score

10^/10

formbook na10 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

na10

Decoy

tetheus.com

ventlikeyoumeanit.com

tintbliss.com

rinabet357.com

sapphireboutiqueusa.com

abc8bet6.com

xzcn3i7jb13cqei.buzz

pinktravelsnagpur.com

bt365038.com

rtpbossujang303.shop

osthirmaker.com

thelonelyteacup.com

rlc2019.com

couverture-charpente.com

productivagc.com

defendercarcare.com

abcentixdigital.com

petco.ltd

oypivh.top

micro.guru

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/2792-12-0x0000000000400000-0x000000000042F000-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
2936	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1656 set thread context of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2752	2792	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2936	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2936	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	29
PID 1656 wrote to memory of 2936	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	29
PID 1656 wrote to memory of 2936	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	29
PID 1656 wrote to memory of 2936	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	29
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 1656 wrote to memory of 2792	1656	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	31
PID 2792 wrote to memory of 2752	2792	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	32
PID 2792 wrote to memory of 2752	2792	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	32
PID 2792 wrote to memory of 2752	2792	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	32
PID 2792 wrote to memory of 2752	2792	84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe	32

C:\Users\Admin\AppData\Local\Temp\84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe
"C:\Users\Admin\AppData\Local\Temp\84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1656
- 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\84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe
  "C:\Users\Admin\AppData\Local\Temp\84fd288b1a34fb0f876bfc4f12f3d089827ebe8caf420b4177e9f15f290b8997.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 36
    3⤵
    - Program crash
    PID:2752

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 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

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Downloads

memory/1656-0-0x000000007451E000-0x000000007451F000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x0000000001270000-0x0000000001334000-memory.dmp

Filesize
784KB

Download
memory/1656-2-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-3-0x00000000002A0000-0x00000000002B2000-memory.dmp

Filesize
72KB

Download
memory/1656-4-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/1656-5-0x0000000000490000-0x000000000049E000-memory.dmp

Filesize
56KB

Download
memory/1656-6-0x0000000004E70000-0x0000000004EE6000-memory.dmp

Filesize
472KB

Download
memory/1656-13-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2792-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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