formbook | e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2025 10:38

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General

Target

BankCertificateFilepdf00.exe
Size

724KB
MD5

595417bf40423929716d259aa6151e68
SHA1

3adf3f7db8401715e7b73c50e1feee8b034b2f88
SHA256

e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc
SHA512

03122a9d4fa3b0426d3e10bb1700c6060300b391fd1fb49242c694485a753dc7e6a5d5edc9147f469774b04f3444bf77a3ebe930c68275456309b99ca50a1f60
SSDEEP

12288:sbnXloJNhQ/cWS7stu8HP1RhXtriB5VIenigsc5YK9ygCvSDH6Way22keYeJa9:eiJN+UVsw2P3tcnRYK6SDh4eE

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
behavioral2/memory/5060-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2860-91-0x0000000000FA0000-0x0000000000FCF000-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
2164	powershell.exe
4448	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	BankCertificateFilepdf00.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3276 set thread context of 5060	3276	BankCertificateFilepdf00.exe	102
PID 5060 set thread context of 3444	5060	RegSvcs.exe	56
PID 2860 set thread context of 3444	2860	ipconfig.exe	56

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	BankCertificateFilepdf00.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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2860	ipconfig.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
2008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3276	BankCertificateFilepdf00.exe
2164	powershell.exe
4448	powershell.exe
3276	BankCertificateFilepdf00.exe
5060	RegSvcs.exe
5060	RegSvcs.exe
5060	RegSvcs.exe
5060	RegSvcs.exe
2164	powershell.exe
4448	powershell.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe
2860	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5060	RegSvcs.exe
5060	RegSvcs.exe
5060	RegSvcs.exe
2860	ipconfig.exe
2860	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3276	BankCertificateFilepdf00.exe
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeDebugPrivilege	4448	powershell.exe
Token: SeDebugPrivilege	5060	RegSvcs.exe
Token: SeDebugPrivilege	2860	ipconfig.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 2164	3276	BankCertificateFilepdf00.exe	96
PID 3276 wrote to memory of 2164	3276	BankCertificateFilepdf00.exe	96
PID 3276 wrote to memory of 2164	3276	BankCertificateFilepdf00.exe	96
PID 3276 wrote to memory of 4448	3276	BankCertificateFilepdf00.exe	98
PID 3276 wrote to memory of 4448	3276	BankCertificateFilepdf00.exe	98
PID 3276 wrote to memory of 4448	3276	BankCertificateFilepdf00.exe	98
PID 3276 wrote to memory of 2008	3276	BankCertificateFilepdf00.exe	100
PID 3276 wrote to memory of 2008	3276	BankCertificateFilepdf00.exe	100
PID 3276 wrote to memory of 2008	3276	BankCertificateFilepdf00.exe	100
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3276 wrote to memory of 5060	3276	BankCertificateFilepdf00.exe	102
PID 3444 wrote to memory of 2860	3444	Explorer.EXE	103
PID 3444 wrote to memory of 2860	3444	Explorer.EXE	103
PID 3444 wrote to memory of 2860	3444	Explorer.EXE	103
PID 2860 wrote to memory of 3412	2860	ipconfig.exe	104
PID 2860 wrote to memory of 3412	2860	ipconfig.exe	104
PID 2860 wrote to memory of 3412	2860	ipconfig.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe
  "C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3276
- - 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\BankCertificateFilepdf00.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2164
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HPkPojK.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4448
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HPkPojK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF750.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2008
- - 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:5060
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2860
- - 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:3412

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

Query Registry

T1012

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
0b5d0a429fad8315b2ce87c1b0594e47

SHA1
41d6e4a49f7b5b9fae3b9bb98cb17fda76a64f29

SHA256
0b60d4eaabaa391d89ea2de2094b62bdc1848e453f7fcb3075d2fff6273d6f1e

SHA512
7e7ca17376cffcbf33faadc7269984525f4020f24757447143d8eb47c2624dd631a6befe9f530299ae4f8e1e1ef4420a2deb4448f50bf151d28040f00f1ca3b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mrviuhzz.ykb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF750.tmp

Filesize
1KB

MD5
324e311abb012d1877136cc7494e7b9d

SHA1
f945c6b53a21c0aedeb9c6d7a8119121562ec338

SHA256
f2d0b626231cf9010cfe71f7bd4a4e6d3721448e0c5766732974d662d90a2a7b

SHA512
9312ee7add33b5598c51b382211b5701d7c3eee4a7e8377d04c4dff7ad632d4234a4b3995d25bc69a25153c7480700f899ce3a2e346bdbdeb2517f1105b66284

Download Submit
memory/2164-21-0x00000000058F0000-0x0000000005912000-memory.dmp

Filesize
136KB

Download
memory/2164-70-0x00000000054F0000-0x0000000005504000-memory.dmp

Filesize
80KB

Download
memory/2164-50-0x0000000006D50000-0x0000000006D9C000-memory.dmp

Filesize
304KB

Download
memory/2164-49-0x0000000006780000-0x000000000679E000-memory.dmp

Filesize
120KB

Download
memory/2164-86-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2164-73-0x0000000005530000-0x0000000005538000-memory.dmp

Filesize
32KB

Download
memory/2164-71-0x0000000007D10000-0x0000000007D2A000-memory.dmp

Filesize
104KB

Download
memory/2164-15-0x00000000051F0000-0x0000000005226000-memory.dmp

Filesize
216KB

Download
memory/2164-16-0x0000000005970000-0x0000000005F98000-memory.dmp

Filesize
6.2MB

Download
memory/2164-17-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2164-18-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/2164-27-0x0000000006010000-0x0000000006076000-memory.dmp

Filesize
408KB

Download
memory/2164-69-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/2164-28-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/2164-68-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

Filesize
68KB

Download
memory/2164-67-0x0000000007D50000-0x0000000007DE6000-memory.dmp

Filesize
600KB

Download
memory/2164-35-0x00000000062E0000-0x0000000006634000-memory.dmp

Filesize
3.3MB

Download
memory/2164-52-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/2164-66-0x0000000007B40000-0x0000000007B4A000-memory.dmp

Filesize
40KB

Download
memory/2164-64-0x0000000008110000-0x000000000878A000-memory.dmp

Filesize
6.5MB

Download
memory/2164-65-0x0000000007AD0000-0x0000000007AEA000-memory.dmp

Filesize
104KB

Download
memory/2164-51-0x0000000007770000-0x00000000077A2000-memory.dmp

Filesize
200KB

Download
memory/2164-63-0x00000000079B0000-0x0000000007A53000-memory.dmp

Filesize
652KB

Download
memory/2164-62-0x0000000007750000-0x000000000776E000-memory.dmp

Filesize
120KB

Download
memory/2860-91-0x0000000000FA0000-0x0000000000FCF000-memory.dmp

Filesize
188KB

Download
memory/2860-72-0x0000000000F30000-0x0000000000F3B000-memory.dmp

Filesize
44KB

Download
memory/3276-2-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/3276-8-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3276-10-0x000000000E490000-0x000000000E52C000-memory.dmp

Filesize
624KB

Download
memory/3276-3-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download
memory/3276-6-0x0000000005630000-0x0000000005656000-memory.dmp

Filesize
152KB

Download
memory/3276-1-0x00000000007E0000-0x000000000089C000-memory.dmp

Filesize
752KB

Download
memory/3276-5-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3276-4-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/3276-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3276-48-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/3276-9-0x0000000002A40000-0x0000000002AB8000-memory.dmp

Filesize
480KB

Download
memory/3276-7-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/3444-95-0x0000000003DB0000-0x0000000003ED3000-memory.dmp

Filesize
1.1MB

Download
memory/4448-74-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/4448-33-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4448-34-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4448-90-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4448-19-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/5060-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download