formbook | cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 09:32

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General

Target

OVERDUE SOA _pdf.exe
Size

733KB
MD5

7095e01e6bf3655a8b1d1449a91cd195
SHA1

59bcb0f7b17b4d6ccb6efd8f3a47a5bf6f1b2268
SHA256

cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba
SHA512

ab6444bc46a4f037ecdce3b57b9f92732ce17e4034e9616d067c6148bae34ed3bfeba4f6e2b2aee2d4391cd679a0737e4fabaf0d0c940ec0b22bad167e501a21
SSDEEP

12288:FoQyRAvxF72mzaRZJvfUAp2F0Fthci5UoiKqBLXpOi/8UOkWTSWK:sSxF7HzaRFpA0X3viKk5JsfSz

Score

10^/10

formbook bi05 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3308-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3308-89-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2604-93-0x0000000001370000-0x000000000139F000-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
3840	powershell.exe
1888	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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	OVERDUE SOA _pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4092 set thread context of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 3308 set thread context of 3600	3308	OVERDUE SOA _pdf.exe	56
PID 2604 set thread context of 3600	2604	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OVERDUE SOA _pdf.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.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
3416	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4092	OVERDUE SOA _pdf.exe
3840	powershell.exe
1888	powershell.exe
4092	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
3840	powershell.exe
1888	powershell.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe
2604	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3308	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
3308	OVERDUE SOA _pdf.exe
2604	cmd.exe
2604	cmd.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	OVERDUE SOA _pdf.exe
Token: SeDebugPrivilege	3840	powershell.exe
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	3308	OVERDUE SOA _pdf.exe
Token: SeShutdownPrivilege	3600	Explorer.EXE
Token: SeCreatePagefilePrivilege	3600	Explorer.EXE
Token: SeShutdownPrivilege	3600	Explorer.EXE
Token: SeCreatePagefilePrivilege	3600	Explorer.EXE
Token: SeDebugPrivilege	2604	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3600	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 3840	4092	OVERDUE SOA _pdf.exe	91
PID 4092 wrote to memory of 3840	4092	OVERDUE SOA _pdf.exe	91
PID 4092 wrote to memory of 3840	4092	OVERDUE SOA _pdf.exe	91
PID 4092 wrote to memory of 1888	4092	OVERDUE SOA _pdf.exe	93
PID 4092 wrote to memory of 1888	4092	OVERDUE SOA _pdf.exe	93
PID 4092 wrote to memory of 1888	4092	OVERDUE SOA _pdf.exe	93
PID 4092 wrote to memory of 3416	4092	OVERDUE SOA _pdf.exe	95
PID 4092 wrote to memory of 3416	4092	OVERDUE SOA _pdf.exe	95
PID 4092 wrote to memory of 3416	4092	OVERDUE SOA _pdf.exe	95
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 4092 wrote to memory of 3308	4092	OVERDUE SOA _pdf.exe	97
PID 3600 wrote to memory of 2604	3600	Explorer.EXE	98
PID 3600 wrote to memory of 2604	3600	Explorer.EXE	98
PID 3600 wrote to memory of 2604	3600	Explorer.EXE	98
PID 2604 wrote to memory of 2500	2604	cmd.exe	101
PID 2604 wrote to memory of 2500	2604	cmd.exe	101
PID 2604 wrote to memory of 2500	2604	cmd.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.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:4092
- - 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\OVERDUE SOA _pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3840
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ajZqJStNo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1888
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ajZqJStNo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3416
- - C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3308
- 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:2604
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2500

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\Temp\__PSScriptPolicyTest_cnltvxgz.4lr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE927.tmp

Filesize
1KB

MD5
117f6f59eb900d1b756e4939a62f912b

SHA1
618cf2f55d4fe7a360210bf8ad87de5eaec6cd28

SHA256
2924f63a9dd0effd5a6f23d4c564035a4559fdfae5848243112aedd8b072fdce

SHA512
9fdebfd74cbfc5567c8dead5e3332d3a7645a59fd14c4cb9912b8f84ee56b3f321dc52205de37c66d8c24e4d0d12c9ce8479b6a0d2644df6b94ed32ab3c6514d

Download Submit
memory/1888-74-0x0000000007620000-0x00000000076C3000-memory.dmp

Filesize
652KB

Download
memory/1888-77-0x00000000077D0000-0x00000000077DA000-memory.dmp

Filesize
40KB

Download
memory/1888-27-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-90-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-53-0x00000000751D0000-0x000000007521C000-memory.dmp

Filesize
304KB

Download
memory/1888-83-0x0000000007A80000-0x0000000007A88000-memory.dmp

Filesize
32KB

Download
memory/1888-82-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/1888-81-0x00000000079A0000-0x00000000079B4000-memory.dmp

Filesize
80KB

Download
memory/1888-80-0x0000000007990000-0x000000000799E000-memory.dmp

Filesize
56KB

Download
memory/1888-22-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-75-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

Download
memory/1888-76-0x0000000007760000-0x000000000777A000-memory.dmp

Filesize
104KB

Download
memory/1888-52-0x00000000075B0000-0x00000000075E2000-memory.dmp

Filesize
200KB

Download
memory/1888-68-0x00000000075F0000-0x000000000760E000-memory.dmp

Filesize
120KB

Download
memory/2604-93-0x0000000001370000-0x000000000139F000-memory.dmp

Filesize
188KB

Download
memory/2604-92-0x0000000000140000-0x000000000019A000-memory.dmp

Filesize
360KB

Download
memory/2604-91-0x0000000000140000-0x000000000019A000-memory.dmp

Filesize
360KB

Download
memory/3308-89-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3308-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3600-97-0x0000000008070000-0x00000000081C1000-memory.dmp

Filesize
1.3MB

Download
memory/3840-25-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/3840-78-0x0000000007320000-0x00000000073B6000-memory.dmp

Filesize
600KB

Download
memory/3840-88-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3840-24-0x0000000004EB0000-0x0000000004ED2000-memory.dmp

Filesize
136KB

Download
memory/3840-50-0x0000000005D80000-0x0000000005D9E000-memory.dmp

Filesize
120KB

Download
memory/3840-51-0x0000000006320000-0x000000000636C000-memory.dmp

Filesize
304KB

Download
memory/3840-26-0x0000000005750000-0x00000000057B6000-memory.dmp

Filesize
408KB

Download
memory/3840-21-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3840-20-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3840-63-0x00000000751D0000-0x000000007521C000-memory.dmp

Filesize
304KB

Download
memory/3840-19-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/3840-18-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3840-17-0x0000000002470000-0x00000000024A6000-memory.dmp

Filesize
216KB

Download
memory/3840-79-0x00000000072A0000-0x00000000072B1000-memory.dmp

Filesize
68KB

Download
memory/4092-12-0x0000000009360000-0x00000000093D6000-memory.dmp

Filesize
472KB

Download
memory/4092-6-0x00000000050A0000-0x00000000050AA000-memory.dmp

Filesize
40KB

Download
memory/4092-11-0x00000000053F0000-0x0000000005406000-memory.dmp

Filesize
88KB

Download
memory/4092-10-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4092-9-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/4092-8-0x0000000005690000-0x00000000056AE000-memory.dmp

Filesize
120KB

Download
memory/4092-7-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/4092-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/4092-5-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4092-39-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/4092-4-0x0000000005C60000-0x0000000005FB4000-memory.dmp

Filesize
3.3MB

Download
memory/4092-3-0x0000000005100000-0x0000000005192000-memory.dmp

Filesize
584KB

Download
memory/4092-2-0x00000000056B0000-0x0000000005C54000-memory.dmp

Filesize
5.6MB

Download
memory/4092-1-0x0000000000600000-0x00000000006BC000-memory.dmp

Filesize
752KB

Download