formbook | ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d

General

Target

ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe
Size

851KB
MD5

358b29dc083fc85dad2d7fc5d37ac767
SHA1

862f8241df559ae7607e5900dae86bee454bea9a
SHA256

ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d
SHA512

ae9667504f70aef95dd9708ae8e2bbfc789cd0fff64bed6608433f48edfba193889e72decc0385d9875f16287e1feec4717c52a97510575ca1d0556410e1d0d5
SSDEEP

12288:DrQzRa4+sxyjG9IzKjlauWV/dSw1nMks/jsexFacI5u0tnUoOiUQkxcwiKhtC:DmaSxjyOj9WVgMMO+ZIAdV

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2808-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2472-22-0x0000000000080000-0x00000000000AF000-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
1488	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2808 set thread context of 1236	2808	MSBuild.exe	21
PID 2472 set thread context of 1236	2472	control.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 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	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2808	MSBuild.exe
2808	MSBuild.exe
1488	powershell.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe
2472	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2808	MSBuild.exe
2808	MSBuild.exe
2808	MSBuild.exe
2472	control.exe
2472	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	MSBuild.exe
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	2472	control.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1488	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	31
PID 2244 wrote to memory of 1488	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	31
PID 2244 wrote to memory of 1488	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	31
PID 2244 wrote to memory of 1488	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	31
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 2244 wrote to memory of 2808	2244	ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe	33
PID 1236 wrote to memory of 2472	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2472	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2472	1236	Explorer.EXE	34
PID 1236 wrote to memory of 2472	1236	Explorer.EXE	34
PID 2472 wrote to memory of 2812	2472	control.exe	35
PID 2472 wrote to memory of 2812	2472	control.exe	35
PID 2472 wrote to memory of 2812	2472	control.exe	35
PID 2472 wrote to memory of 2812	2472	control.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe
  "C:\Users\Admin\AppData\Local\Temp\ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - 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\ea0d7f34cfddec8c57ddf23bfc5eab2c1692f1b3f5e8fdd6f4f7f8596e478d9d.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1488
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2808
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2472
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2812

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/2244-15-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-4-0x0000000000420000-0x0000000000432000-memory.dmp

Filesize
72KB

Download
memory/2244-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2244-3-0x0000000004290000-0x0000000004346000-memory.dmp

Filesize
728KB

Download
memory/2244-7-0x0000000004DE0000-0x0000000004E56000-memory.dmp

Filesize
472KB

Download
memory/2244-5-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2244-6-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-1-0x00000000000C0000-0x000000000019A000-memory.dmp

Filesize
872KB

Download
memory/2244-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2472-20-0x0000000000A10000-0x0000000000A2F000-memory.dmp

Filesize
124KB

Download
memory/2472-22-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2808-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-16-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2808-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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