formbook | 2d59b30ee45a0d50d64a273f99b9e1fc3abc2b5601c7de338899e39456707880

Analysis

max time kernel
150s
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
30/01/2025, 03:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Revised documents.exe
Size

741KB
MD5

034884d1de2c2e61a49d403a6673118c
SHA1

4106f0fe2e8504f0f71cc012ecb992b63cb0792b
SHA256

6f706398207b1fd3a00de5f859dc840cf8e100175fdabe260ebb96db5980f03c
SHA512

3a751cde89e771defecd23a1fda44c219df59bca611daebd8be29985071e0e5d5f15f983306afc9b468c92e2bbb96c4b6438ae23fbe896927cf47c29c72037b7
SSDEEP

12288:2q7kGLFFgETr/iTTbB6xddbQT+wwOXgMSQejYO6YmDDI01jnIltQLZEK:l3rKGHbQlSQ/GmDt1jnRj

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.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/1332-44-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1744-89-0x0000000000940000-0x000000000096F000-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
4624	powershell.exe
3700	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Revised documents.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 384 set thread context of 1332	384	Revised documents.exe	91
PID 1332 set thread context of 3492	1332	RegSvcs.exe	56
PID 1744 set thread context of 3492	1744	cscript.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	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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Revised documents.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
440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
384	Revised documents.exe
384	Revised documents.exe
4624	powershell.exe
3700	powershell.exe
384	Revised documents.exe
384	Revised documents.exe
384	Revised documents.exe
384	Revised documents.exe
384	Revised documents.exe
384	Revised documents.exe
4624	powershell.exe
384	Revised documents.exe
1332	RegSvcs.exe
1332	RegSvcs.exe
1332	RegSvcs.exe
1332	RegSvcs.exe
3700	powershell.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe
1744	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1332	RegSvcs.exe
1332	RegSvcs.exe
1332	RegSvcs.exe
1744	cscript.exe
1744	cscript.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	384	Revised documents.exe
Token: SeDebugPrivilege	4624	powershell.exe
Token: SeDebugPrivilege	3700	powershell.exe
Token: SeDebugPrivilege	1332	RegSvcs.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeDebugPrivilege	1744	cscript.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 4624	384	Revised documents.exe	82
PID 384 wrote to memory of 4624	384	Revised documents.exe	82
PID 384 wrote to memory of 4624	384	Revised documents.exe	82
PID 384 wrote to memory of 3700	384	Revised documents.exe	84
PID 384 wrote to memory of 3700	384	Revised documents.exe	84
PID 384 wrote to memory of 3700	384	Revised documents.exe	84
PID 384 wrote to memory of 440	384	Revised documents.exe	85
PID 384 wrote to memory of 440	384	Revised documents.exe	85
PID 384 wrote to memory of 440	384	Revised documents.exe	85
PID 384 wrote to memory of 2300	384	Revised documents.exe	88
PID 384 wrote to memory of 2300	384	Revised documents.exe	88
PID 384 wrote to memory of 2300	384	Revised documents.exe	88
PID 384 wrote to memory of 3280	384	Revised documents.exe	89
PID 384 wrote to memory of 3280	384	Revised documents.exe	89
PID 384 wrote to memory of 3280	384	Revised documents.exe	89
PID 384 wrote to memory of 532	384	Revised documents.exe	90
PID 384 wrote to memory of 532	384	Revised documents.exe	90
PID 384 wrote to memory of 532	384	Revised documents.exe	90
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 384 wrote to memory of 1332	384	Revised documents.exe	91
PID 3492 wrote to memory of 1744	3492	Explorer.EXE	94
PID 3492 wrote to memory of 1744	3492	Explorer.EXE	94
PID 3492 wrote to memory of 1744	3492	Explorer.EXE	94
PID 1744 wrote to memory of 4128	1744	cscript.exe	99
PID 1744 wrote to memory of 4128	1744	cscript.exe	99
PID 1744 wrote to memory of 4128	1744	cscript.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\Revised documents.exe
  "C:\Users\Admin\AppData\Local\Temp\Revised documents.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:384
- - 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\Revised documents.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4624
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fmIowyKo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3700
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fmIowyKo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:440
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2300
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:3280
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:532
- - 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:1332
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3740
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:3628
- 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:1744
- - 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:4128

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

Loading Replay Monitor...

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
72440b0ec77b35ac40b3eeea52f481aa

SHA1
08782c177ced0aa063b853410a5d1d6128646440

SHA256
6ab9618ac8ea35af85417a15de52ede79567f20b0c808438090539a6a1e4d3b0

SHA512
cf87400245d5a509ca84509c2d16603fbf4c64ca97c223ad565b0bd58d466964dc8389e6dbbda30d5b05824484ebbc84a61587a3d8372d627ab41d9ed8d403e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22h5ilxc.kzj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp

Filesize
1KB

MD5
be7b7c75dc8a5e48903c9a33b6444970

SHA1
c007f101704e9f4251c4353a2c6f3fb540f62a76

SHA256
10002be134cae298564b26211b057a5f04f8b3c52cd705c6f7659ee933afa2ca

SHA512
8807c0bfd6c7e5f0f1b95e276ce231ed7057443dd60d627a7c1a48c40de1f261b7a5f247ff3eb8ba3cdb2e000f4c22237b301d95f0d270d8611a42b39fb25637

Download Submit
memory/384-11-0x00000000046E0000-0x0000000004758000-memory.dmp

Filesize
480KB

Download
memory/384-48-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/384-6-0x0000000005160000-0x000000000516A000-memory.dmp

Filesize
40KB

Download
memory/384-7-0x0000000006A80000-0x0000000006B32000-memory.dmp

Filesize
712KB

Download
memory/384-8-0x0000000005970000-0x000000000598E000-memory.dmp

Filesize
120KB

Download
memory/384-9-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/384-10-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/384-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/384-12-0x000000000D920000-0x000000000D9BC000-memory.dmp

Filesize
624KB

Download
memory/384-5-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/384-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

Filesize
584KB

Download
memory/384-4-0x0000000004DC0000-0x0000000005114000-memory.dmp

Filesize
3.3MB

Download
memory/384-2-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/384-1-0x0000000000280000-0x000000000033E000-memory.dmp

Filesize
760KB

Download
memory/1332-44-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1744-88-0x0000000000070000-0x0000000000097000-memory.dmp

Filesize
156KB

Download
memory/1744-89-0x0000000000940000-0x000000000096F000-memory.dmp

Filesize
188KB

Download
memory/3492-93-0x0000000008330000-0x000000000841D000-memory.dmp

Filesize
948KB

Download
memory/3700-81-0x0000000007880000-0x0000000007888000-memory.dmp

Filesize
32KB

Download
memory/3700-62-0x000000006FEF0000-0x000000006FF3C000-memory.dmp

Filesize
304KB

Download
memory/3700-77-0x0000000007760000-0x0000000007771000-memory.dmp

Filesize
68KB

Download
memory/3700-76-0x00000000077E0000-0x0000000007876000-memory.dmp

Filesize
600KB

Download
memory/3700-75-0x00000000075D0000-0x00000000075DA000-memory.dmp

Filesize
40KB

Download
memory/4624-19-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/4624-51-0x000000006FEF0000-0x000000006FF3C000-memory.dmp

Filesize
304KB

Download
memory/4624-61-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

Filesize
120KB

Download
memory/4624-50-0x0000000007640000-0x0000000007672000-memory.dmp

Filesize
200KB

Download
memory/4624-68-0x0000000007680000-0x0000000007723000-memory.dmp

Filesize
652KB

Download
memory/4624-74-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download
memory/4624-73-0x0000000007FE0000-0x000000000865A000-memory.dmp

Filesize
6.5MB

Download
memory/4624-33-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4624-46-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/4624-47-0x0000000006C60000-0x0000000006CAC000-memory.dmp

Filesize
304KB

Download
memory/4624-78-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

Filesize
56KB

Download
memory/4624-79-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

Filesize
80KB

Download
memory/4624-80-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

Filesize
104KB

Download
memory/4624-20-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/4624-21-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/4624-23-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4624-87-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4624-22-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Filesize
408KB

Download
memory/4624-18-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4624-17-0x0000000002D80000-0x0000000002DB6000-memory.dmp

Filesize
216KB

Download