formbook | cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2

General

Target

cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
Size

1.1MB
MD5

a6fb5e5006b9ff50a53acc5c526b5940
SHA1

d2df10ffd3c153e780ebf83a2c57fc00f441fb8d
SHA256

cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2
SHA512

2e82311c3714a60e471193e73506dd630505e31ad6a2dc407b615407dca97beadca7aa1dc15dc781d18ef02cacc57da1e9003b88e18721f76d74cb80958f2c8c
SSDEEP

24576:Qu6J33O0c+JY5UZ+XC0kGso6Fal09T1Jr6WY:au0c++OCvkGs9FalKTlY

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4900-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4900-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4900-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1256-21-0x0000000000560000-0x000000000058F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 832 set thread context of 4900	832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe	83
PID 4900 set thread context of 3448	4900	svchost.exe	56
PID 4900 set thread context of 3448	4900	svchost.exe	56
PID 1256 set thread context of 3448	1256	cmd.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	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe
1256	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
4900	svchost.exe
1256	cmd.exe
1256	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	svchost.exe
Token: SeDebugPrivilege	1256	cmd.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 4900	832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe	83
PID 832 wrote to memory of 4900	832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe	83
PID 832 wrote to memory of 4900	832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe	83
PID 832 wrote to memory of 4900	832	cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe	83
PID 3448 wrote to memory of 1256	3448	Explorer.EXE	92
PID 3448 wrote to memory of 1256	3448	Explorer.EXE	92
PID 3448 wrote to memory of 1256	3448	Explorer.EXE	92
PID 1256 wrote to memory of 2364	1256	cmd.exe	95
PID 1256 wrote to memory of 2364	1256	cmd.exe	95
PID 1256 wrote to memory of 2364	1256	cmd.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe
  "C:\Users\Admin\AppData\Local\Temp\cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.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:832
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\cca24e246fc39ccf0dd510f1a5600a29806e9679ee1c752448942f11d71371c2N.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:1256
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2364

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/832-6-0x0000000001950000-0x0000000001D50000-memory.dmp

Filesize
4.0MB

Download
memory/1256-20-0x0000000000D50000-0x0000000000DAA000-memory.dmp

Filesize
360KB

Download
memory/1256-21-0x0000000000560000-0x000000000058F000-memory.dmp

Filesize
188KB

Download
memory/1256-18-0x0000000000D50000-0x0000000000DAA000-memory.dmp

Filesize
360KB

Download
memory/3448-28-0x00000000088D0000-0x0000000008A3A000-memory.dmp

Filesize
1.4MB

Download
memory/3448-26-0x00000000088D0000-0x0000000008A3A000-memory.dmp

Filesize
1.4MB

Download
memory/3448-25-0x00000000088D0000-0x0000000008A3A000-memory.dmp

Filesize
1.4MB

Download
memory/3448-12-0x0000000007AE0000-0x0000000007C5F000-memory.dmp

Filesize
1.5MB

Download
memory/3448-16-0x0000000007F50000-0x00000000080C3000-memory.dmp

Filesize
1.4MB

Download
memory/3448-22-0x0000000007F50000-0x00000000080C3000-memory.dmp

Filesize
1.4MB

Download
memory/3448-17-0x0000000007AE0000-0x0000000007C5F000-memory.dmp

Filesize
1.5MB

Download
memory/4900-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4900-15-0x0000000001EF0000-0x0000000001F05000-memory.dmp

Filesize
84KB

Download
memory/4900-11-0x0000000001E70000-0x0000000001E85000-memory.dmp

Filesize
84KB

Download
memory/4900-8-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/4900-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing