formbook | 4360b21f0e98b3bebd80d53de298f9bf9e59e33f20b80ff9a168633ae36e8b8a

Analysis

max time kernel
300s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 02:56

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General

Target

PO_AM-0004R_ADH92887762678.exe
Size

875KB
MD5

dc8de56aa173d952bc2c69d40543e119
SHA1

0a666bec9a6d737bd419c7922350c4939d7a9f94
SHA256

1aeeef34e64b6b0fa042ae3e9744a227281e9512036461831867fcf531e27a73
SHA512

302af0dab3330d4c59942be62c564a9d9d63d093d5c060db5dd135f2b56467a09d5d23fd65985de287ba07ff4bb4b7e1ddc185bcb43c1a1b9680488df08bbb32
SSDEEP

12288:Kk0IaOq+AlnC9Rsy9Ii+iNqsdYy/OBe/Vg95njib9aofSc8L:KuaeYy9Ii+fsay/O8k5u8

Score

10^/10

formbook py25 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

py25

Decoy

ezani.fun

rsteknik.online

200mzeus.digital

5497.one

ragonflyers.biz

rome.photos

2142.vip

ise-en-mots.net

tickmangifts.store

thostransporteselogistica.shop

utomation-tools-36376.bond

okyo-tax-expert-459376580.today

azettellm.school

aafarzaneh-emer6.rest

aakoub-mc.xyz

linko-es-playmarket.store

ohr.xyz

ejic.online

iwagarden.net

ealip.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
behavioral1/memory/2352-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2884-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2652	powershell.exe

Deletes itself 1 IoCs

pid	Process
2632	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 268 set thread context of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 2352 set thread context of 1220	2352	PO_AM-0004R_ADH92887762678.exe	21
PID 2884 set thread context of 1220	2884	ipconfig.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 5 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	PO_AM-0004R_ADH92887762678.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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2884	ipconfig.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
2760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
268	PO_AM-0004R_ADH92887762678.exe
268	PO_AM-0004R_ADH92887762678.exe
268	PO_AM-0004R_ADH92887762678.exe
2352	PO_AM-0004R_ADH92887762678.exe
2352	PO_AM-0004R_ADH92887762678.exe
2652	powershell.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe
2884	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2352	PO_AM-0004R_ADH92887762678.exe
2352	PO_AM-0004R_ADH92887762678.exe
2352	PO_AM-0004R_ADH92887762678.exe
2884	ipconfig.exe
2884	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	268	PO_AM-0004R_ADH92887762678.exe
Token: SeDebugPrivilege	2352	PO_AM-0004R_ADH92887762678.exe
Token: SeDebugPrivilege	2652	powershell.exe
Token: SeDebugPrivilege	2884	ipconfig.exe
Token: SeShutdownPrivilege	1220	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 2652	268	PO_AM-0004R_ADH92887762678.exe	31
PID 268 wrote to memory of 2652	268	PO_AM-0004R_ADH92887762678.exe	31
PID 268 wrote to memory of 2652	268	PO_AM-0004R_ADH92887762678.exe	31
PID 268 wrote to memory of 2652	268	PO_AM-0004R_ADH92887762678.exe	31
PID 268 wrote to memory of 2760	268	PO_AM-0004R_ADH92887762678.exe	33
PID 268 wrote to memory of 2760	268	PO_AM-0004R_ADH92887762678.exe	33
PID 268 wrote to memory of 2760	268	PO_AM-0004R_ADH92887762678.exe	33
PID 268 wrote to memory of 2760	268	PO_AM-0004R_ADH92887762678.exe	33
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 268 wrote to memory of 2352	268	PO_AM-0004R_ADH92887762678.exe	35
PID 1220 wrote to memory of 2884	1220	Explorer.EXE	37
PID 1220 wrote to memory of 2884	1220	Explorer.EXE	37
PID 1220 wrote to memory of 2884	1220	Explorer.EXE	37
PID 1220 wrote to memory of 2884	1220	Explorer.EXE	37
PID 2884 wrote to memory of 2632	2884	ipconfig.exe	38
PID 2884 wrote to memory of 2632	2884	ipconfig.exe	38
PID 2884 wrote to memory of 2632	2884	ipconfig.exe	38
PID 2884 wrote to memory of 2632	2884	ipconfig.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
  "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:268
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UHfxnDcr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2652
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UHfxnDcr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3987.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2760
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2352
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:1632
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2632

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\tmp3987.tmp

Filesize
1KB

MD5
cbe708c1d0511a3497aa105df3fd98a7

SHA1
243050599d00eee02db9ed1c1649ea5817587b21

SHA256
05da9f6ad94b51f0350edf223334720aacd4734e75e6b38a5a677d71c5bc6e37

SHA512
abb9384f62ee895b68778c1e765568d4cc7d9b13eb6a198808253195f632b6e020c47d17c435b52be1762140cbe0195152fe008f492a4b45b11fe85f7dc50e70

Download Submit
memory/268-21-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/268-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/268-3-0x0000000000410000-0x0000000000428000-memory.dmp

Filesize
96KB

Download
memory/268-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/268-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/268-6-0x0000000007DE0000-0x0000000007E58000-memory.dmp

Filesize
480KB

Download
memory/268-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/268-1-0x0000000000B40000-0x0000000000C20000-memory.dmp

Filesize
896KB

Download
memory/1220-24-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2352-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-22-0x0000000000B80000-0x0000000000B8A000-memory.dmp

Filesize
40KB

Download
memory/2884-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download