formbook | 422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 02:44

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General

Target

422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
Size

678KB
MD5

9b6ddf7049adfbefacd1dbdfe4350061
SHA1

e9451cd4cae7a1d50ae0cdc17156dc685b5158f7
SHA256

422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf
SHA512

fcf96b148e9a5369a264f138621a67eb8d3c79b3a39587e5b225aad94dd103fa67b9020b7559d41212019b4c168e9dfd7b7633c6e82a8248261cb5d1cccfd5a8
SSDEEP

12288:G59aYwdc1sW7/sVfmPc/VZHkcAG8Vf+0Zhaewy8UQxTJDC38Sy:tYP1L70oc9ZEcA1L6I8UUr

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/4300-44-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2316-93-0x00000000008F0000-0x000000000091F000-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
3332	powershell.exe
880	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3508 set thread context of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 4300 set thread context of 3444	4300	RegSvcs.exe	55
PID 2316 set thread context of 3444	2316	cscript.exe	55

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
4944	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
880	powershell.exe
3332	powershell.exe
3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
4300	RegSvcs.exe
4300	RegSvcs.exe
4300	RegSvcs.exe
4300	RegSvcs.exe
880	powershell.exe
3332	powershell.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe
2316	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4300	RegSvcs.exe
4300	RegSvcs.exe
4300	RegSvcs.exe
2316	cscript.exe
2316	cscript.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeDebugPrivilege	4300	RegSvcs.exe
Token: SeDebugPrivilege	2316	cscript.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 24 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 880	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	90
PID 3508 wrote to memory of 880	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	90
PID 3508 wrote to memory of 880	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	90
PID 3508 wrote to memory of 3332	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	92
PID 3508 wrote to memory of 3332	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	92
PID 3508 wrote to memory of 3332	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	92
PID 3508 wrote to memory of 4944	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	94
PID 3508 wrote to memory of 4944	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	94
PID 3508 wrote to memory of 4944	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	94
PID 3508 wrote to memory of 3316	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	96
PID 3508 wrote to memory of 3316	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	96
PID 3508 wrote to memory of 3316	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	96
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3508 wrote to memory of 4300	3508	422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe	97
PID 3444 wrote to memory of 2316	3444	Explorer.EXE	98
PID 3444 wrote to memory of 2316	3444	Explorer.EXE	98
PID 3444 wrote to memory of 2316	3444	Explorer.EXE	98
PID 2316 wrote to memory of 4788	2316	cscript.exe	101
PID 2316 wrote to memory of 4788	2316	cscript.exe	101
PID 2316 wrote to memory of 4788	2316	cscript.exe	101

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\422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe
  "C:\Users\Admin\AppData\Local\Temp\422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.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:3508
- - 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\422bb7209a36ebb05303bbf0e6de6e1fcaef855b360f658eeee67ff9dd49d5bf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:880
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rVjdis.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3332
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rVjdis" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDC85.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4944
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3316
- - 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:4300
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:2316
- - 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:4788

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
56e74214ac00765bd1ec4adb7394888d

SHA1
2892cae1fd43f1879d261177b0979296bb532ca4

SHA256
3f4ac7b8e6b99374b8a69462246228b5b5d56c77aae913b9933d0511e166b46d

SHA512
49037a2575e5fe9e9d8d12778cf87028c6b7e4ec5bb5b9121be4a7f92d117bb57714c2b110481bd416a47c07503fedc9fe3f09f3e8dbb530414a67665938490b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ygws2b2k.oka.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDC85.tmp

Filesize
1KB

MD5
554aa3244a0b4026b34624414d120798

SHA1
fcad790eb052b5d76711f291334bce64395cfc37

SHA256
8dc6fd03f055d117f423f14764260c3baba9e66f6cf9cc7622e59e66e53768cc

SHA512
1a2ddca2c3b15f91032de2ab4a5ba0fa49f18448438bc3b5bd138eb062c10eb47eaa95798e3ae3cad7c7aa9dd3f2ebfbbeba86ba9fdde474b03d268b05e59d15

Download Submit
memory/880-82-0x0000000007CF0000-0x0000000007D04000-memory.dmp

Filesize
80KB

Download
memory/880-18-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/880-84-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

Filesize
32KB

Download
memory/880-51-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/880-81-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

Filesize
56KB

Download
memory/880-80-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

Filesize
68KB

Download
memory/880-79-0x0000000007D30000-0x0000000007DC6000-memory.dmp

Filesize
600KB

Download
memory/880-77-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

Filesize
104KB

Download
memory/880-76-0x0000000008100000-0x000000000877A000-memory.dmp

Filesize
6.5MB

Download
memory/880-17-0x00000000051E0000-0x0000000005216000-memory.dmp

Filesize
216KB

Download
memory/880-19-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/880-52-0x0000000006820000-0x000000000686C000-memory.dmp

Filesize
304KB

Download
memory/880-20-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/880-23-0x0000000006650000-0x00000000066B6000-memory.dmp

Filesize
408KB

Download
memory/880-24-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/880-22-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download
memory/880-21-0x00000000057D0000-0x00000000057F2000-memory.dmp

Filesize
136KB

Download
memory/880-92-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/880-53-0x0000000007910000-0x0000000007942000-memory.dmp

Filesize
200KB

Download
memory/880-64-0x00000000078F0000-0x000000000790E000-memory.dmp

Filesize
120KB

Download
memory/880-65-0x0000000007960000-0x0000000007A03000-memory.dmp

Filesize
652KB

Download
memory/880-54-0x000000006FC50000-0x000000006FC9C000-memory.dmp

Filesize
304KB

Download
memory/2316-93-0x00000000008F0000-0x000000000091F000-memory.dmp

Filesize
188KB

Download
memory/2316-85-0x00000000008B0000-0x00000000008D7000-memory.dmp

Filesize
156KB

Download
memory/3332-42-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-78-0x0000000007AE0000-0x0000000007AEA000-memory.dmp

Filesize
40KB

Download
memory/3332-91-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-40-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-30-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3332-66-0x000000006FC50000-0x000000006FC9C000-memory.dmp

Filesize
304KB

Download
memory/3332-83-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

Filesize
104KB

Download
memory/3444-97-0x00000000086D0000-0x0000000008825000-memory.dmp

Filesize
1.3MB

Download
memory/3508-9-0x0000000005F80000-0x0000000005FA6000-memory.dmp

Filesize
152KB

Download
memory/3508-5-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/3508-10-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/3508-50-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3508-8-0x0000000006AD0000-0x0000000006B6C000-memory.dmp

Filesize
624KB

Download
memory/3508-7-0x0000000006A20000-0x0000000006ACE000-memory.dmp

Filesize
696KB

Download
memory/3508-12-0x0000000002C70000-0x0000000002CEA000-memory.dmp

Filesize
488KB

Download
memory/3508-11-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3508-6-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3508-4-0x00000000053D0000-0x0000000005724000-memory.dmp

Filesize
3.3MB

Download
memory/3508-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000005330000-0x00000000053C2000-memory.dmp

Filesize
584KB

Download
memory/3508-2-0x00000000058E0000-0x0000000005E84000-memory.dmp

Filesize
5.6MB

Download
memory/3508-1-0x0000000000980000-0x0000000000A2E000-memory.dmp

Filesize
696KB

Download
memory/4300-44-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download