formbook | 1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899

General

Target

pago.exe
Size

588KB
MD5

cc0a03d130918f8d5c8d6b46833967b1
SHA1

35edc921398ba4d5689e5bcced856c0f2d561c70
SHA256

1d5c6a9f196dc3d9f2e483744d7b872f01a96b8320ce3ffdc66b66542cb7a899
SHA512

78316ff0363c7cc9cc5dedab407b9dc3394c27eb15fba416a04996f117b473814a808e6847c4c2b779ceaa66f22d843b13b36530e969c675edc1222d76c99873
SSDEEP

12288:2aTdEMYimT/D37YF6oRZyWwJAA9X8gnd7/OKImE3hoTSO3XHL:CMo30pZxwJAA9X8Y/ohoTx37

Score

10^/10

formbook m10i discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m10i

Decoy

rmani.today

ifebork.xyz

randovation.net

itchen-remodeling-65686.bond

himu.world

reverie.net

9038.top

rowahome.live

obility-scooters-63189.bond

iangchunqiu.top

yhd.fun

eniorsforseniors.biz

z9zs2.shop

kkjinni.buzz

22av373vu.autos

allnyy.fun

qst.digital

rcap.info

745.top

earfulabjectshirkwashclothe.cfd

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2808-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2808-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-23-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2820	powershell.exe

Deletes itself 1 IoCs

pid	Process
2688	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 2808	2204	pago.exe	32
PID 2808 set thread context of 1192	2808	pago.exe	21
PID 2556 set thread context of 1192	2556	wlanext.exe	21

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 4 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	pago.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2808	pago.exe
2808	pago.exe
2820	powershell.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe
2556	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2808	pago.exe
2808	pago.exe
2808	pago.exe
2556	wlanext.exe
2556	wlanext.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	pago.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2556	wlanext.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2820	2204	pago.exe	30
PID 2204 wrote to memory of 2820	2204	pago.exe	30
PID 2204 wrote to memory of 2820	2204	pago.exe	30
PID 2204 wrote to memory of 2820	2204	pago.exe	30
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 2204 wrote to memory of 2808	2204	pago.exe	32
PID 1192 wrote to memory of 2556	1192	Explorer.EXE	33
PID 1192 wrote to memory of 2556	1192	Explorer.EXE	33
PID 1192 wrote to memory of 2556	1192	Explorer.EXE	33
PID 1192 wrote to memory of 2556	1192	Explorer.EXE	33
PID 2556 wrote to memory of 2688	2556	wlanext.exe	34
PID 2556 wrote to memory of 2688	2556	wlanext.exe	34
PID 2556 wrote to memory of 2688	2556	wlanext.exe	34
PID 2556 wrote to memory of 2688	2556	wlanext.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\pago.exe
  "C:\Users\Admin\AppData\Local\Temp\pago.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\pago.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Users\Admin\AppData\Local\Temp\pago.exe
    "C:\Users\Admin\AppData\Local\Temp\pago.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2808
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2556
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\pago.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/1192-19-0x0000000005290000-0x00000000053BB000-memory.dmp

Filesize
1.2MB

Download
memory/1192-25-0x0000000005290000-0x00000000053BB000-memory.dmp

Filesize
1.2MB

Download
memory/2204-1-0x0000000000BE0000-0x0000000000C7A000-memory.dmp

Filesize
616KB

Download
memory/2204-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-3-0x00000000005D0000-0x00000000005E0000-memory.dmp

Filesize
64KB

Download
memory/2204-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2204-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-6-0x0000000004C30000-0x0000000004CA6000-memory.dmp

Filesize
472KB

Download
memory/2204-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2204-13-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-23-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download
memory/2556-22-0x0000000000E40000-0x0000000000E56000-memory.dmp

Filesize
88KB

Download
memory/2808-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-17-0x00000000001A0000-0x00000000001B4000-memory.dmp

Filesize
80KB

Download
memory/2808-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-14-0x0000000000770000-0x0000000000A73000-memory.dmp

Filesize
3.0MB

Download
memory/2808-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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