formbook | d100685c3e62fde73e33854186142c68d4fdab117a4c2eb11a1c73dc362a1277

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 06:28

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General

Target

REVISED STATEMENT OF ACCOUNT.exe
Size

688KB
MD5

44919bd4c653cbd956628a0a5c1adf22
SHA1

c09669285e613c1cada8b50b0e9704dfd93fa31d
SHA256

d100685c3e62fde73e33854186142c68d4fdab117a4c2eb11a1c73dc362a1277
SHA512

ffdf8c78835070e82672c38f634f710f7505061f36267cd0f034a07b061e65f89a7f0ade93e5c89a6691ad2770f05f8f69f70c0196bec2efb29220b17657385e
SSDEEP

12288:TNqsCwgqaVouc0PlsfdG2FXwC++UuVFK2T2y9Xl4mOv7TPbiH34ihoIgyo:TTC/qaSucKMduaFK2SwVLc7TsBhoI

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2628-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2660-32-0x0000000000110000-0x000000000013F000-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
2896	powershell.exe
592	powershell.exe

Deletes itself 1 IoCs

pid	Process
3048	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2504 set thread context of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2628 set thread context of 1204	2628	REVISED STATEMENT OF ACCOUNT.exe	21
PID 2660 set thread context of 1204	2660	msiexec.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	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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	REVISED STATEMENT OF ACCOUNT.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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2504	REVISED STATEMENT OF ACCOUNT.exe
2504	REVISED STATEMENT OF ACCOUNT.exe
2628	REVISED STATEMENT OF ACCOUNT.exe
2628	REVISED STATEMENT OF ACCOUNT.exe
2896	powershell.exe
592	powershell.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe
2660	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2628	REVISED STATEMENT OF ACCOUNT.exe
2628	REVISED STATEMENT OF ACCOUNT.exe
2628	REVISED STATEMENT OF ACCOUNT.exe
2660	msiexec.exe
2660	msiexec.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2504	REVISED STATEMENT OF ACCOUNT.exe
Token: SeDebugPrivilege	2628	REVISED STATEMENT OF ACCOUNT.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	592	powershell.exe
Token: SeDebugPrivilege	2660	msiexec.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2896	2504	REVISED STATEMENT OF ACCOUNT.exe	31
PID 2504 wrote to memory of 2896	2504	REVISED STATEMENT OF ACCOUNT.exe	31
PID 2504 wrote to memory of 2896	2504	REVISED STATEMENT OF ACCOUNT.exe	31
PID 2504 wrote to memory of 2896	2504	REVISED STATEMENT OF ACCOUNT.exe	31
PID 2504 wrote to memory of 592	2504	REVISED STATEMENT OF ACCOUNT.exe	33
PID 2504 wrote to memory of 592	2504	REVISED STATEMENT OF ACCOUNT.exe	33
PID 2504 wrote to memory of 592	2504	REVISED STATEMENT OF ACCOUNT.exe	33
PID 2504 wrote to memory of 592	2504	REVISED STATEMENT OF ACCOUNT.exe	33
PID 2504 wrote to memory of 2756	2504	REVISED STATEMENT OF ACCOUNT.exe	35
PID 2504 wrote to memory of 2756	2504	REVISED STATEMENT OF ACCOUNT.exe	35
PID 2504 wrote to memory of 2756	2504	REVISED STATEMENT OF ACCOUNT.exe	35
PID 2504 wrote to memory of 2756	2504	REVISED STATEMENT OF ACCOUNT.exe	35
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 2504 wrote to memory of 2628	2504	REVISED STATEMENT OF ACCOUNT.exe	37
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2660	1204	Explorer.EXE	38
PID 2660 wrote to memory of 3048	2660	msiexec.exe	39
PID 2660 wrote to memory of 3048	2660	msiexec.exe	39
PID 2660 wrote to memory of 3048	2660	msiexec.exe	39
PID 2660 wrote to memory of 3048	2660	msiexec.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\REVISED STATEMENT OF ACCOUNT.exe
  "C:\Users\Admin\AppData\Local\Temp\REVISED STATEMENT OF ACCOUNT.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2504
- - 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 STATEMENT OF ACCOUNT.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2896
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XVVpBOUshDsO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:592
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XVVpBOUshDsO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2756
- - C:\Users\Admin\AppData\Local\Temp\REVISED STATEMENT OF ACCOUNT.exe
    "C:\Users\Admin\AppData\Local\Temp\REVISED STATEMENT OF ACCOUNT.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2660
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\REVISED STATEMENT OF ACCOUNT.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3048

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\tmp1.tmp

Filesize
1KB

MD5
d24b2f5910f457a24c1bba4dea59dc4a

SHA1
3a7e90d29c41557218a7dd7bbb74179936cef86b

SHA256
c9c80c818af01dbb8d0fabdf3d8a81abf957ecfb993e1b06e973f40573d7a0a6

SHA512
180bb82dd8ad626206efa45b9d0bf58f3f56370154d3ab4721e2e009d43f16267c17dadc2ff1e0ccfedec3eb5915babcfcc40da964d7669d0dcc728650d90618

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S0YJ1M6SYJYXS0YVX4RL.temp

Filesize
7KB

MD5
a835c5a23b60bec000d168b67f01fb79

SHA1
5c220125d1ada8cc8a2aafbc644f24d298102ed1

SHA256
753720ccb4cf3d551c449b5cf9b46098040594ef024cff3f9e404c855417097b

SHA512
eae15060800ed1f4cbfa22ce863d4cadf13bd7f1aac0ec7dac7d98784465657cb9b9547505d112bf9c999f7439ad7101a59b853793620d574280a058e3166d9f

Download Submit
memory/1204-28-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2504-4-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2504-26-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-5-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-6-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/2504-7-0x0000000004B10000-0x0000000004B86000-memory.dmp

Filesize
472KB

Download
memory/2504-3-0x0000000000570000-0x0000000000582000-memory.dmp

Filesize
72KB

Download
memory/2504-2-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2504-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2504-1-0x0000000000950000-0x0000000000A02000-memory.dmp

Filesize
712KB

Download
memory/2628-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2628-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2660-29-0x00000000004B0000-0x00000000004C4000-memory.dmp

Filesize
80KB

Download
memory/2660-31-0x00000000004B0000-0x00000000004C4000-memory.dmp

Filesize
80KB

Download
memory/2660-32-0x0000000000110000-0x000000000013F000-memory.dmp

Filesize
188KB

Download