formbook | b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5

General

Target

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
Size

580KB
MD5

b6ace82ca0cb9b68828eb46e51739e90
SHA1

31021eee20bc7be003b29968cdfde3b2a2aec56c
SHA256

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5
SHA512

291ae5b8506282245b0a38976b33d080b692ee26fe3b093cc8903667e9b3a26de6032191c689585f6bf22f7856f45cd061a09877597569cec7d0a720e50cc9f7
SSDEEP

12288:Co9QlwdedsgcQukU7VzTBlUh96ny0UNxYyhzvvkxr/UgVJVicty+Vo3X:ComaTgvukU7hdZkbphzXkxDt/VicU+

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 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2268-11-0x0000000005C90000-0x0000000005CBF000-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
2580	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33

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 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	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
2580	powershell.exe
2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
2720	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
Token: SeDebugPrivilege	2580	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2580	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	31
PID 2268 wrote to memory of 2580	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	31
PID 2268 wrote to memory of 2580	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	31
PID 2268 wrote to memory of 2580	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	31
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33
PID 2268 wrote to memory of 2720	2268	b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe	33

C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
"C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268
- 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\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2580
- C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe
  "C:\Users\Admin\AppData\Local\Temp\b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2720

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/2268-6-0x0000000004380000-0x00000000043F6000-memory.dmp

Filesize
472KB

Download
memory/2268-0-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2268-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-3-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2268-4-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-5-0x0000000000510000-0x0000000000522000-memory.dmp

Filesize
72KB

Download
memory/2268-1-0x0000000000EA0000-0x0000000000F38000-memory.dmp

Filesize
608KB

Download
memory/2268-7-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-18-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-11-0x0000000005C90000-0x0000000005CBF000-memory.dmp

Filesize
188KB

Download
memory/2268-8-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

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