formbook | 6c9f799ecf5106a1e8d1070dd09a44ef016bd94d3bda810a34cbb5b5def86bff

General

Target

Orden #TC108365.pdf.exe
Size

1.1MB
MD5

8fe3e4d69f8a455d879aa93adc7bb178
SHA1

3229dc414ce5368eae31411045bf8c6a87ca42da
SHA256

e152043da9783ff881930937645b7775847de130e9a2868e19b05a46b76ce963
SHA512

035fd90771c1e0d8ba7cb3aea80164bb0c736a108419a4a84e5562364df419bde3e70fa8d69514ebae0217485d1ec9ef60e1434142e0a90dd09ffb5a2d6c7012
SSDEEP

24576:qu6J33O0c+JY5UZ+XC0kGso6FaLxmMdXqGGANWY:cu0c++OCvkGs9FaLAMw1Y

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/2852-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2852-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2688-16-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2008 set thread context of 2852	2008	Orden #TC108365.pdf.exe	30
PID 2852 set thread context of 1180	2852	svchost.exe	21
PID 2688 set thread context of 1180	2688	NAPSTAT.EXE	21

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	Orden #TC108365.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2852	svchost.exe
2852	svchost.exe
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2008	Orden #TC108365.pdf.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2688	NAPSTAT.EXE
2688	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	svchost.exe
Token: SeDebugPrivilege	2688	NAPSTAT.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2008	Orden #TC108365.pdf.exe
2008	Orden #TC108365.pdf.exe
1180	Explorer.EXE
1180	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2008	Orden #TC108365.pdf.exe
2008	Orden #TC108365.pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2852	2008	Orden #TC108365.pdf.exe	30
PID 2008 wrote to memory of 2852	2008	Orden #TC108365.pdf.exe	30
PID 2008 wrote to memory of 2852	2008	Orden #TC108365.pdf.exe	30
PID 2008 wrote to memory of 2852	2008	Orden #TC108365.pdf.exe	30
PID 2008 wrote to memory of 2852	2008	Orden #TC108365.pdf.exe	30
PID 1180 wrote to memory of 2688	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2688	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2688	1180	Explorer.EXE	31
PID 1180 wrote to memory of 2688	1180	Explorer.EXE	31
PID 2688 wrote to memory of 2580	2688	NAPSTAT.EXE	32
PID 2688 wrote to memory of 2580	2688	NAPSTAT.EXE	32
PID 2688 wrote to memory of 2580	2688	NAPSTAT.EXE	32
PID 2688 wrote to memory of 2580	2688	NAPSTAT.EXE	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\Orden #TC108365.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Orden #TC108365.pdf.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:2008
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden #TC108365.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2852
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:2688
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2580

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/1180-26-0x0000000006E90000-0x0000000006FE1000-memory.dmp

Filesize
1.3MB

Download
memory/1180-24-0x0000000006E90000-0x0000000006FE1000-memory.dmp

Filesize
1.3MB

Download
memory/1180-23-0x0000000006E90000-0x0000000006FE1000-memory.dmp

Filesize
1.3MB

Download
memory/1180-17-0x00000000054A0000-0x000000000555E000-memory.dmp

Filesize
760KB

Download
memory/1180-12-0x00000000054A0000-0x000000000555E000-memory.dmp

Filesize
760KB

Download
memory/2008-6-0x0000000000CD0000-0x00000000010D0000-memory.dmp

Filesize
4.0MB

Download
memory/2688-13-0x00000000006A0000-0x00000000006E6000-memory.dmp

Filesize
280KB

Download
memory/2688-15-0x00000000006A0000-0x00000000006E6000-memory.dmp

Filesize
280KB

Download
memory/2688-16-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2852-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-11-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2852-8-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/2852-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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