formbook | 16e94b879efe7aa32e4223936485efb641d2d36ad0dc42970fd273ac226195e4

General

Target

7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe
Size

2.2MB
MD5

22b365e10dd635468212251994b194bf
SHA1

069d6d2395ec518d0156b6d02519d3b8e896e5b5
SHA256

7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0
SHA512

fbb27e9c38a6f351edd756b00227c42b98bf08c89c1c85e3b74462a381b61e4347972f373327f540b5744ef661ed0c1b3072b188616d5a5950478720bddefb1b
SSDEEP

24576:iB26eZ4fTPkhZ2PAG0pMn6+YZ8IOxSD68Q81Zr6kNefAd/YK2HzQX9Kub+YSgrBK:Zhhj+EbjDE81R6iY7O

Score

10^/10

formbook oa09 discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oa09

Decoy

grit.careers

kingthaivegas.com

onwingirisleri.net

radio-jesus.com

forestfairiesnft.com

healthyintimatelifestyle.africa

karamoghanasti.africa

gqujtf.com

chaindenmark.com

netzerosemitechnologies.co.uk

kakekpecah1000.com

fiddler-foaled.click

adventurepsychologist.com

miletong.net

discounttirestoresinc.com

goldmanmediaent.com

entsorgunglangnau.ch

brezop.xyz

24-02-2022.site

artificialgrassminneapolis.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2836-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vmfdofz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Vkqwztiilf\\Vmfdofz.exe\""	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1688 set thread context of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32

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	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1456	powershell.exe
2836	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1456	powershell.exe
Token: SeDebugPrivilege	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1456	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	30
PID 1688 wrote to memory of 1456	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	30
PID 1688 wrote to memory of 1456	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	30
PID 1688 wrote to memory of 1456	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	30
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32
PID 1688 wrote to memory of 2836	1688	7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe	32

C:\Users\Admin\AppData\Local\Temp\7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe
"C:\Users\Admin\AppData\Local\Temp\7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1456
- C:\Users\Admin\AppData\Local\Temp\7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe
  C:\Users\Admin\AppData\Local\Temp\7f9b8fcc527d02e66b49d76ff52297d69dbf237a8dd4342fdf3f49a2189c67d0.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

memory/1456-8-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/1688-3-0x0000000000800000-0x0000000000834000-memory.dmp

Filesize
208KB

Download
memory/1688-2-0x0000000004A00000-0x0000000004B56000-memory.dmp

Filesize
1.3MB

Download
memory/1688-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1688-4-0x0000000000AE0000-0x0000000000B72000-memory.dmp

Filesize
584KB

Download
memory/1688-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1688-1-0x00000000013B0000-0x00000000015F2000-memory.dmp

Filesize
2.3MB

Download
memory/1688-9-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1688-10-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1688-18-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2836-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads