formbook | 6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318a

General

Target

6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
Size

1.1MB
MD5

5c64f75360a7535d0098e24852069970
SHA1

462d562bf08435260c76d09b8d0e78c8c854f55f
SHA256

6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318a
SHA512

293ae523ddfae0e68729bcf363efee2bf29586e720bd715c5d15cafbc2d38b62c86a21873ee41157e3cfd065f2865db07aa61eae65e19e6b5d416793d76ea7e8
SSDEEP

24576:ZqDEvCTbMWu7rQYlBQcBiT6rprG8aQTZ1IaWE1c4+vrcJ:ZTvC/MTQYxsWR7aQTZWE1c4Crc

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
behavioral2/memory/372-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/372-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4276-15-0x0000000000BC0000-0x0000000000BEF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 372	1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	83
PID 372 set thread context of 3432	372	svchost.exe	56
PID 4276 set thread context of 3432	4276	msdt.exe	56

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
372	svchost.exe
372	svchost.exe
372	svchost.exe
372	svchost.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe
4276	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
372	svchost.exe
372	svchost.exe
372	svchost.exe
4276	msdt.exe
4276	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	svchost.exe
Token: SeDebugPrivilege	4276	msdt.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 372	1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	83
PID 1856 wrote to memory of 372	1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	83
PID 1856 wrote to memory of 372	1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	83
PID 1856 wrote to memory of 372	1856	6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe	83
PID 3432 wrote to memory of 4276	3432	Explorer.EXE	84
PID 3432 wrote to memory of 4276	3432	Explorer.EXE	84
PID 3432 wrote to memory of 4276	3432	Explorer.EXE	84
PID 4276 wrote to memory of 2676	4276	msdt.exe	86
PID 4276 wrote to memory of 2676	4276	msdt.exe	86
PID 4276 wrote to memory of 2676	4276	msdt.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe
  "C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.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:1856
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\6ce7f8a8cbb441eb6ea7b37a9f8039142f6586311cdc6c0518c1265ecb78318aN.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:372
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:4276
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2676

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

Loading Replay Monitor...

Downloads

memory/372-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/372-8-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/372-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/372-11-0x0000000001A60000-0x0000000001A75000-memory.dmp

Filesize
84KB

Download
memory/1856-6-0x0000000000F50000-0x0000000001350000-memory.dmp

Filesize
4.0MB

Download
memory/3432-12-0x00000000029F0000-0x0000000002AC3000-memory.dmp

Filesize
844KB

Download
memory/3432-16-0x00000000029F0000-0x0000000002AC3000-memory.dmp

Filesize
844KB

Download
memory/3432-18-0x0000000002D20000-0x0000000002E30000-memory.dmp

Filesize
1.1MB

Download
memory/3432-19-0x0000000002D20000-0x0000000002E30000-memory.dmp

Filesize
1.1MB

Download
memory/4276-13-0x00000000000F0000-0x0000000000147000-memory.dmp

Filesize
348KB

Download
memory/4276-14-0x00000000000F0000-0x0000000000147000-memory.dmp

Filesize
348KB

Download
memory/4276-15-0x0000000000BC0000-0x0000000000BEF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing