formbook | efd65e32b20afe5bd0541a097bb5f4e7f741875b2c65cab7f08c04a645ccdf6f

Analysis

max time kernel
147s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 08:11

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General

Target

Bankcerticate223pdf.exe
Size

819KB
MD5

05bf21401fdd83ba54d1ad55f909e590
SHA1

47efbfdfcfe6a39499d1bd5bf0fe2a27ade6c0ff
SHA256

efd65e32b20afe5bd0541a097bb5f4e7f741875b2c65cab7f08c04a645ccdf6f
SHA512

99fab03cb018c20e2f647c318db6861798165891d2641f2dcb8fbc9e2bbe27eb6e1200bda8f6f1e92a97b4ca2c4c31f4c158ea82cd7ca755363932b9bd83b654
SSDEEP

12288:zpX2dGTyWXV7O7L5BDEYQfWusPTPzcbGfiwP+SepsWGrvGAGT:92MxO7JzcbGqwZepdGW

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

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/2824-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-28-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2200	powershell.exe
1292	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 2824	1768	Bankcerticate223pdf.exe	37
PID 2824 set thread context of 1188	2824	RegSvcs.exe	21
PID 2708 set thread context of 1188	2708	control.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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bankcerticate223pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	control.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
2196	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1768	Bankcerticate223pdf.exe
1768	Bankcerticate223pdf.exe
2824	RegSvcs.exe
2824	RegSvcs.exe
2200	powershell.exe
1292	powershell.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe
2708	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2824	RegSvcs.exe
2824	RegSvcs.exe
2824	RegSvcs.exe
2708	control.exe
2708	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	Bankcerticate223pdf.exe
Token: SeDebugPrivilege	2824	RegSvcs.exe
Token: SeDebugPrivilege	2200	powershell.exe
Token: SeDebugPrivilege	1292	powershell.exe
Token: SeDebugPrivilege	2708	control.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2200	1768	Bankcerticate223pdf.exe	31
PID 1768 wrote to memory of 2200	1768	Bankcerticate223pdf.exe	31
PID 1768 wrote to memory of 2200	1768	Bankcerticate223pdf.exe	31
PID 1768 wrote to memory of 2200	1768	Bankcerticate223pdf.exe	31
PID 1768 wrote to memory of 1292	1768	Bankcerticate223pdf.exe	33
PID 1768 wrote to memory of 1292	1768	Bankcerticate223pdf.exe	33
PID 1768 wrote to memory of 1292	1768	Bankcerticate223pdf.exe	33
PID 1768 wrote to memory of 1292	1768	Bankcerticate223pdf.exe	33
PID 1768 wrote to memory of 2196	1768	Bankcerticate223pdf.exe	34
PID 1768 wrote to memory of 2196	1768	Bankcerticate223pdf.exe	34
PID 1768 wrote to memory of 2196	1768	Bankcerticate223pdf.exe	34
PID 1768 wrote to memory of 2196	1768	Bankcerticate223pdf.exe	34
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1768 wrote to memory of 2824	1768	Bankcerticate223pdf.exe	37
PID 1188 wrote to memory of 2708	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2708	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2708	1188	Explorer.EXE	38
PID 1188 wrote to memory of 2708	1188	Explorer.EXE	38
PID 2708 wrote to memory of 660	2708	control.exe	39
PID 2708 wrote to memory of 660	2708	control.exe	39
PID 2708 wrote to memory of 660	2708	control.exe	39
PID 2708 wrote to memory of 660	2708	control.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Users\Admin\AppData\Local\Temp\Bankcerticate223pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Bankcerticate223pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1768
- - 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\Bankcerticate223pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2200
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cvRSCwXQ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1292
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cvRSCwXQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1A25.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2196
- - 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:2824
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2708
- - 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:660

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1A25.tmp

Filesize
1KB

MD5
445ae7f75744ba9123abfde2ee8177cf

SHA1
e47b90741bd7f6770cee6523eba3c05f3a83419f

SHA256
5580d75f9da6c276c66aacb8ee16730dc713397ea4e79bf2e47660be45dbb711

SHA512
d40803026e2f80105ce662768aa3ff326e1bcd2dc8cb415a5a586817c21193f757cb967d6f68be63496f1422138ee63be95524605459f6212bab766af015fe78

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\BSR8XJK0LW1PO8QQ35C6.temp

Filesize
7KB

MD5
363780126d82c90527a166312ba4a48e

SHA1
753234426c153ecb2c1ef142dbcae8c917025429

SHA256
051d77fe78560148ae5f6b08bca35bf69977f82a7bfaeefa4eda23d8759e7df0

SHA512
8cef50c27cd117b5b68bafa85879361f66888f5189bb67a1d379d6f815dee3d1a6f51f910f0b14b578e67d3f12d55bdca764d85f57e7d7e4a228cef4798d7476

Download Submit
memory/1768-4-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1768-26-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1768-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

Filesize
4KB

Download
memory/1768-5-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1768-6-0x0000000004790000-0x0000000004808000-memory.dmp

Filesize
480KB

Download
memory/1768-2-0x0000000074C60000-0x000000007534E000-memory.dmp

Filesize
6.9MB

Download
memory/1768-1-0x00000000107B0000-0x0000000010882000-memory.dmp

Filesize
840KB

Download
memory/1768-3-0x0000000001D20000-0x0000000001D46000-memory.dmp

Filesize
152KB

Download
memory/2708-28-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2708-27-0x0000000000630000-0x000000000064F000-memory.dmp

Filesize
124KB

Download
memory/2824-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2824-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download