formbook | a726c5a24472b6e81e1dce922e3d462a1abda9da5bdb28c0f3893850560b1fbd

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 13:00

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General

Target

payment SWIFT pdf.exe
Size

735KB
MD5

ed9369e24644b25d49b00072be1543f5
SHA1

0c7eb11a4365a8d2c488b512f69bdb682d95cc9a
SHA256

a726c5a24472b6e81e1dce922e3d462a1abda9da5bdb28c0f3893850560b1fbd
SHA512

c9702ade8907c87b14bdb1f5d84cd0952a3a6f1fcccf1966773f56d5b0c28044705eb9fbcc0cb028a850c63ff0c19e5f151696b92960bce012b1e5447edd22a8
SSDEEP

12288:Whn8nFllff8PcCPda11zL+GC9euIZsTilbNHwJm8LoNR8Vr8B6slRIp7:Wh8hsVPkXaGmJIOkYXLoNR2lsRG7

Score

10^/10

formbook o10c discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o10c

Decoy

regnancy-67873.bond

oppyworld.fun

oomoo.store

illyjolly.online

-avi.art

unisitri.net

unaid-jamshed.shop

ookcovers.xyz

estrated.xyz

rpa.club

4rcraft.online

litz.baby

lysiannails.art

commerce-69321.bond

rokidu.info

havuonvanthanh.store

hiteelephant.online

ghkp.shop

uabf.info

ynthesizerwf.store

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2848-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2588-23-0x0000000000080000-0x00000000000AF000-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
2924	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2848	2504	payment SWIFT pdf.exe	36
PID 2848 set thread context of 1176	2848	RegSvcs.exe	21
PID 2588 set thread context of 1176	2588	cmd.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 5 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	payment SWIFT pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2504	payment SWIFT pdf.exe
2504	payment SWIFT pdf.exe
2504	payment SWIFT pdf.exe
2504	payment SWIFT pdf.exe
2848	RegSvcs.exe
2848	RegSvcs.exe
2924	powershell.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe
2588	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2848	RegSvcs.exe
2848	RegSvcs.exe
2848	RegSvcs.exe
2588	cmd.exe
2588	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	payment SWIFT pdf.exe
Token: SeDebugPrivilege	2848	RegSvcs.exe
Token: SeDebugPrivilege	2924	powershell.exe
Token: SeDebugPrivilege	2588	cmd.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2924	2504	payment SWIFT pdf.exe	31
PID 2504 wrote to memory of 2924	2504	payment SWIFT pdf.exe	31
PID 2504 wrote to memory of 2924	2504	payment SWIFT pdf.exe	31
PID 2504 wrote to memory of 2924	2504	payment SWIFT pdf.exe	31
PID 2504 wrote to memory of 956	2504	payment SWIFT pdf.exe	33
PID 2504 wrote to memory of 956	2504	payment SWIFT pdf.exe	33
PID 2504 wrote to memory of 956	2504	payment SWIFT pdf.exe	33
PID 2504 wrote to memory of 956	2504	payment SWIFT pdf.exe	33
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2812	2504	payment SWIFT pdf.exe	35
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 2504 wrote to memory of 2848	2504	payment SWIFT pdf.exe	36
PID 1176 wrote to memory of 2588	1176	Explorer.EXE	37
PID 1176 wrote to memory of 2588	1176	Explorer.EXE	37
PID 1176 wrote to memory of 2588	1176	Explorer.EXE	37
PID 1176 wrote to memory of 2588	1176	Explorer.EXE	37
PID 2588 wrote to memory of 2752	2588	cmd.exe	38
PID 2588 wrote to memory of 2752	2588	cmd.exe	38
PID 2588 wrote to memory of 2752	2588	cmd.exe	38
PID 2588 wrote to memory of 2752	2588	cmd.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Local\Temp\payment SWIFT pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\payment SWIFT pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2504
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BnqEWcbWmE.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2924
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BnqEWcbWmE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF103.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:956
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2812
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- 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:2588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF103.tmp

Filesize
1KB

MD5
f9fb841a0535fa2336e983d09c340d4f

SHA1
23654a2a0314b4fff86f89a7b34a2e8c557dcd19

SHA256
08346b770b572399f7064f315bbf6812ca6a10c94128f4a105c7a7527459c800

SHA512
dfc5d48cb2d8189035c29018649684ff943a3edb3f75e4dfc39c72533280065d8a88238e94d192b27e059d0f885decff603555333a826701453516cee845cad8

Download Submit
memory/2504-6-0x0000000000AE0000-0x0000000000B58000-memory.dmp

Filesize
480KB

Download
memory/2504-20-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-3-0x0000000000570000-0x000000000058E000-memory.dmp

Filesize
120KB

Download
memory/2504-4-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2504-5-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000DC0000-0x0000000000E7E000-memory.dmp

Filesize
760KB

Download
memory/2504-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2588-22-0x000000004A4F0000-0x000000004A53C000-memory.dmp

Filesize
304KB

Download
memory/2848-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2848-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2848-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download