formbook | 36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf

General

Target

swift mt 1033.exe
Size

743KB
MD5

df300e93be84410e629996a8050e47b2
SHA1

1ace59620fa5e6b7717a04ad28620e6a61191c80
SHA256

36ac663aee997b4b8da3bd498abcbdb91ca180f7afe402ce8ab166099c098cbf
SHA512

435302f901c1068288bf80e5726f3f9d0cbb4bfc6a3b489c7e3260698aa0b3e1707a203d3998b99ea183a21f3a1736eaa422fee358d88eb795647d665fa7b705
SSDEEP

12288:w38f2uE1zDf5n7Dm1C8T7bl9JrUKrlR+v+Yyf39fiQyHWsUuAPM5Uf8f2:w3u2uO3B4Ck59ReyfN5kWtuAa4u2

Score

10^/10

formbook k49s discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k49s

Decoy

ufberyrubiest.shop

tpanekatotosite.top

esona805158762.xyz

earing-tests-15487.bond

rediksitiraitoto.xyz

tore-playstore.online

mpresarialpx38.online

ufxusa.net

reativedesigns.lat

leaning-services-47614.bond

959725nptklnq923.top

treziop.xyz

eubel-bestseller.online

uynewcars.xyz

all-panels-74750.bond

erviceninjas.vip

arectoroffice.xyz

oviesgpt.app

ractors-22059.bond

rakenfitness.info

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/2072-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2072-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1612-24-0x00000000000C0000-0x00000000000EF000-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
2848	powershell.exe

Deletes itself 1 IoCs

pid	Process
2700	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2904 set thread context of 2072	2904	swift mt 1033.exe	31
PID 2072 set thread context of 1184	2072	swift mt 1033.exe	21
PID 1612 set thread context of 1184	1612	explorer.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	swift mt 1033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2904	swift mt 1033.exe
2072	swift mt 1033.exe
2072	swift mt 1033.exe
2848	powershell.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe
1612	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2072	swift mt 1033.exe
2072	swift mt 1033.exe
2072	swift mt 1033.exe
1612	explorer.exe
1612	explorer.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	swift mt 1033.exe
Token: SeDebugPrivilege	2072	swift mt 1033.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	1612	explorer.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2848	2904	swift mt 1033.exe	28
PID 2904 wrote to memory of 2848	2904	swift mt 1033.exe	28
PID 2904 wrote to memory of 2848	2904	swift mt 1033.exe	28
PID 2904 wrote to memory of 2848	2904	swift mt 1033.exe	28
PID 2904 wrote to memory of 3044	2904	swift mt 1033.exe	30
PID 2904 wrote to memory of 3044	2904	swift mt 1033.exe	30
PID 2904 wrote to memory of 3044	2904	swift mt 1033.exe	30
PID 2904 wrote to memory of 3044	2904	swift mt 1033.exe	30
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 2904 wrote to memory of 2072	2904	swift mt 1033.exe	31
PID 1184 wrote to memory of 1612	1184	Explorer.EXE	32
PID 1184 wrote to memory of 1612	1184	Explorer.EXE	32
PID 1184 wrote to memory of 1612	1184	Explorer.EXE	32
PID 1184 wrote to memory of 1612	1184	Explorer.EXE	32
PID 1612 wrote to memory of 2700	1612	explorer.exe	35
PID 1612 wrote to memory of 2700	1612	explorer.exe	35
PID 1612 wrote to memory of 2700	1612	explorer.exe	35
PID 1612 wrote to memory of 2700	1612	explorer.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe
  "C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2904
- - 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\swift mt 1033.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- - C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe
    "C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe"
    3⤵
    PID:3044
- - C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe
    "C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2072
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:1612
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\swift mt 1033.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2700

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/1184-20-0x0000000006D10000-0x0000000006EBD000-memory.dmp

Filesize
1.7MB

Download
memory/1184-25-0x0000000006D10000-0x0000000006EBD000-memory.dmp

Filesize
1.7MB

Download
memory/1612-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1612-23-0x0000000000FB0000-0x0000000001231000-memory.dmp

Filesize
2.5MB

Download
memory/2072-16-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2072-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2072-19-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/2072-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2072-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2072-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2904-15-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2904-6-0x0000000000500000-0x000000000057A000-memory.dmp

Filesize
488KB

Download
memory/2904-5-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-4-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2904-3-0x0000000000760000-0x0000000000786000-memory.dmp

Filesize
152KB

Download
memory/2904-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2904-1-0x0000000001270000-0x0000000001330000-memory.dmp

Filesize
768KB

Download

Analysis

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