formbook | 638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0

General

Target

638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
Size

1.1MB
MD5

53af708104f6592c0491922d65ba4183
SHA1

12e1168a23d3a3b92b3fc4234ea1f3ab0151ba2a
SHA256

638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0
SHA512

69d391d4816d1e8a9c1e3a48e4cffc231187b6618b31e1d6a11bc34e65fe193ec1a1e1ddb977207ae0de94f6d7373921bbde8fbdae4572227f2222b59c5e8f53
SSDEEP

24576:Vu6J33O0c+JY5UZ+XC0kGso6Faz+mpj0BGPJerPPkii6WYb:3u0c++OCvkGs9Faz+MjgGMbsYb

Score

10^/10

formbook at22 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

at22

Decoy

etween-us.online

sphaleia.net

ental-implants-78350.bond

q4a.lat

commerce-97292.bond

linds-curtains-38811.bond

gyptevoyages.net

landofigueroa-abogados.net

cuitis.xyz

hantom.city

yzk.online

afikabmedan.store

ome-remodeling-67289.bond

ebpage-klzdxrhnazi.shop

eject.lol

rismart.xyz

nfluencer-marketing-72407.bond

ksolotl.xyz

ebsbayrntilrmizin93.xyz

pps-75399.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2016-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2016-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2016-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30
PID 2016 set thread context of 1188	2016	svchost.exe	21
PID 2016 set thread context of 1188	2016	svchost.exe	21

System Location Discovery: System Language Discovery 1 TTPs 1 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	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2016	svchost.exe
2016	svchost.exe
2016	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
2016	svchost.exe
2016	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30
PID 1684 wrote to memory of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30
PID 1684 wrote to memory of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30
PID 1684 wrote to memory of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30
PID 1684 wrote to memory of 2016	1684	638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1188
- C:\Users\Admin\AppData\Local\Temp\638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe
  "C:\Users\Admin\AppData\Local\Temp\638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\638a4b786fbb0e09168140311cfe7bdf63ddc5764d14e146633d9be28d6cf9f0.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1188-12-0x0000000000150000-0x0000000000250000-memory.dmp

Filesize
1024KB

Download
memory/1188-13-0x00000000096D0000-0x000000000986B000-memory.dmp

Filesize
1.6MB

Download
memory/1188-18-0x0000000004790000-0x0000000004885000-memory.dmp

Filesize
980KB

Download
memory/1188-19-0x0000000004790000-0x0000000004885000-memory.dmp

Filesize
980KB

Download
memory/1684-6-0x00000000006D0000-0x0000000000AD0000-memory.dmp

Filesize
4.0MB

Download
memory/2016-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-8-0x0000000000860000-0x0000000000B63000-memory.dmp

Filesize
3.0MB

Download
memory/2016-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2016-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-16-0x00000000002E0000-0x00000000002F5000-memory.dmp

Filesize
84KB

Download
memory/2016-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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