formbook | cbeee5f0d63a9178155739c1eca36e16ceaffc7ccda4154d991f068766df52ba

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
behavioral1/memory/2168-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2168-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/704-29-0x0000000000080000-0x00000000000AF000-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
2356	powershell.exe
2600	powershell.exe

Deletes itself 1 IoCs

pid	Process
2916	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2220 set thread context of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2168 set thread context of 1200	2168	OVERDUE SOA _pdf.exe	21
PID 2168 set thread context of 1200	2168	OVERDUE SOA _pdf.exe	21
PID 704 set thread context of 1200	704	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	OVERDUE SOA _pdf.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2588	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2220	OVERDUE SOA _pdf.exe
2220	OVERDUE SOA _pdf.exe
2168	OVERDUE SOA _pdf.exe
2168	OVERDUE SOA _pdf.exe
2600	powershell.exe
2356	powershell.exe
2168	OVERDUE SOA _pdf.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe
704	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2168	OVERDUE SOA _pdf.exe
2168	OVERDUE SOA _pdf.exe
2168	OVERDUE SOA _pdf.exe
2168	OVERDUE SOA _pdf.exe
704	control.exe
704	control.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	OVERDUE SOA _pdf.exe
Token: SeDebugPrivilege	2168	OVERDUE SOA _pdf.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	2356	powershell.exe
Token: SeDebugPrivilege	704	control.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2356	2220	OVERDUE SOA _pdf.exe	30
PID 2220 wrote to memory of 2356	2220	OVERDUE SOA _pdf.exe	30
PID 2220 wrote to memory of 2356	2220	OVERDUE SOA _pdf.exe	30
PID 2220 wrote to memory of 2356	2220	OVERDUE SOA _pdf.exe	30
PID 2220 wrote to memory of 2600	2220	OVERDUE SOA _pdf.exe	32
PID 2220 wrote to memory of 2600	2220	OVERDUE SOA _pdf.exe	32
PID 2220 wrote to memory of 2600	2220	OVERDUE SOA _pdf.exe	32
PID 2220 wrote to memory of 2600	2220	OVERDUE SOA _pdf.exe	32
PID 2220 wrote to memory of 2588	2220	OVERDUE SOA _pdf.exe	34
PID 2220 wrote to memory of 2588	2220	OVERDUE SOA _pdf.exe	34
PID 2220 wrote to memory of 2588	2220	OVERDUE SOA _pdf.exe	34
PID 2220 wrote to memory of 2588	2220	OVERDUE SOA _pdf.exe	34
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 2220 wrote to memory of 2168	2220	OVERDUE SOA _pdf.exe	36
PID 1200 wrote to memory of 704	1200	Explorer.EXE	37
PID 1200 wrote to memory of 704	1200	Explorer.EXE	37
PID 1200 wrote to memory of 704	1200	Explorer.EXE	37
PID 1200 wrote to memory of 704	1200	Explorer.EXE	37
PID 704 wrote to memory of 2916	704	control.exe	38
PID 704 wrote to memory of 2916	704	control.exe	38
PID 704 wrote to memory of 2916	704	control.exe	38
PID 704 wrote to memory of 2916	704	control.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2220
- - 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:2356
- - 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:2600
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ajZqJStNo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3469.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2588
- - 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:2168
- 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:704
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\OVERDUE SOA _pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2916

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\tmp3469.tmp

Filesize
1KB

MD5
a72eec024a0ca9f319e738f89d17ec93

SHA1
fc0097da056dd23fdef8ca27ee6dfb7373cfb5af

SHA256
45aa873474d506ed29d523892aee70a73d5ae59a1beb62a1b478a904b572e2b2

SHA512
4bb0af8a61e935f08e963f4ce707db5957871f95d0c9070fbebf87244107ab1a1f51599d2b970263abda1d02c4be958d19f476af37b4bd0253ad8ef4100f4420

Download Submit
memory/704-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/704-28-0x0000000000C10000-0x0000000000C2F000-memory.dmp

Filesize
124KB

Download
memory/1200-30-0x00000000040A0000-0x00000000042A0000-memory.dmp

Filesize
2.0MB

Download
memory/1200-27-0x0000000004F70000-0x0000000005109000-memory.dmp

Filesize
1.6MB

Download
memory/2168-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2168-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2220-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2220-5-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-6-0x0000000000610000-0x0000000000626000-memory.dmp

Filesize
88KB

Download
memory/2220-24-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-7-0x0000000004720000-0x0000000004796000-memory.dmp

Filesize
472KB

Download
memory/2220-4-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

Filesize
4KB

Download
memory/2220-3-0x0000000002010000-0x000000000202E000-memory.dmp

Filesize
120KB

Download
memory/2220-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

Filesize
6.9MB

Download
memory/2220-1-0x00000000001A0000-0x000000000025C000-memory.dmp

Filesize
752KB

Download