formbook | 4360b21f0e98b3bebd80d53de298f9bf9e59e33f20b80ff9a168633ae36e8b8a

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/12/2024, 03:04

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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/1044-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1492-24-0x0000000000080000-0x00000000000AF000-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
2728	powershell.exe

Deletes itself 1 IoCs

pid	Process
2460	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 1044 set thread context of 1208	1044	PO_AM-0004R_ADH92887762678.exe	21
PID 1492 set thread context of 1208	1492	help.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	help.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
2604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
2668	PO_AM-0004R_ADH92887762678.exe
1044	PO_AM-0004R_ADH92887762678.exe
1044	PO_AM-0004R_ADH92887762678.exe
2728	powershell.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe
1492	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1044	PO_AM-0004R_ADH92887762678.exe
1044	PO_AM-0004R_ADH92887762678.exe
1044	PO_AM-0004R_ADH92887762678.exe
1492	help.exe
1492	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	PO_AM-0004R_ADH92887762678.exe
Token: SeDebugPrivilege	1044	PO_AM-0004R_ADH92887762678.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	1492	help.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2728	2668	PO_AM-0004R_ADH92887762678.exe	30
PID 2668 wrote to memory of 2728	2668	PO_AM-0004R_ADH92887762678.exe	30
PID 2668 wrote to memory of 2728	2668	PO_AM-0004R_ADH92887762678.exe	30
PID 2668 wrote to memory of 2728	2668	PO_AM-0004R_ADH92887762678.exe	30
PID 2668 wrote to memory of 2604	2668	PO_AM-0004R_ADH92887762678.exe	32
PID 2668 wrote to memory of 2604	2668	PO_AM-0004R_ADH92887762678.exe	32
PID 2668 wrote to memory of 2604	2668	PO_AM-0004R_ADH92887762678.exe	32
PID 2668 wrote to memory of 2604	2668	PO_AM-0004R_ADH92887762678.exe	32
PID 2668 wrote to memory of 2632	2668	PO_AM-0004R_ADH92887762678.exe	34
PID 2668 wrote to memory of 2632	2668	PO_AM-0004R_ADH92887762678.exe	34
PID 2668 wrote to memory of 2632	2668	PO_AM-0004R_ADH92887762678.exe	34
PID 2668 wrote to memory of 2632	2668	PO_AM-0004R_ADH92887762678.exe	34
PID 2668 wrote to memory of 1724	2668	PO_AM-0004R_ADH92887762678.exe	35
PID 2668 wrote to memory of 1724	2668	PO_AM-0004R_ADH92887762678.exe	35
PID 2668 wrote to memory of 1724	2668	PO_AM-0004R_ADH92887762678.exe	35
PID 2668 wrote to memory of 1724	2668	PO_AM-0004R_ADH92887762678.exe	35
PID 2668 wrote to memory of 3008	2668	PO_AM-0004R_ADH92887762678.exe	36
PID 2668 wrote to memory of 3008	2668	PO_AM-0004R_ADH92887762678.exe	36
PID 2668 wrote to memory of 3008	2668	PO_AM-0004R_ADH92887762678.exe	36
PID 2668 wrote to memory of 3008	2668	PO_AM-0004R_ADH92887762678.exe	36
PID 2668 wrote to memory of 2816	2668	PO_AM-0004R_ADH92887762678.exe	37
PID 2668 wrote to memory of 2816	2668	PO_AM-0004R_ADH92887762678.exe	37
PID 2668 wrote to memory of 2816	2668	PO_AM-0004R_ADH92887762678.exe	37
PID 2668 wrote to memory of 2816	2668	PO_AM-0004R_ADH92887762678.exe	37
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 2668 wrote to memory of 1044	2668	PO_AM-0004R_ADH92887762678.exe	38
PID 1208 wrote to memory of 1492	1208	Explorer.EXE	39
PID 1208 wrote to memory of 1492	1208	Explorer.EXE	39
PID 1208 wrote to memory of 1492	1208	Explorer.EXE	39
PID 1208 wrote to memory of 1492	1208	Explorer.EXE	39
PID 1492 wrote to memory of 2460	1492	help.exe	40
PID 1492 wrote to memory of 2460	1492	help.exe	40
PID 1492 wrote to memory of 2460	1492	help.exe	40
PID 1492 wrote to memory of 2460	1492	help.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- 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:2668
- - 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:2728
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UHfxnDcr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB867.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2604
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    PID:2632
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    PID:1724
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    PID:3008
- - C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_AM-0004R_ADH92887762678.exe"
    3⤵
    PID:2816
- - 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:1044
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1492
- - 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:2460

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB867.tmp

Filesize
1KB

MD5
54079d05324f680503bd0ea04ac316a7

SHA1
1766818bd4194d34938d4dbd63cdd44183c66466

SHA256
cea3631a1bcbde745de2548e6a40dfdd1f4a66faa69fbefd6cdb4efa8d3a6425

SHA512
dedc38520899990c56d7a05f2c4d11fe7cf2e478ff2f523c20f4c6a1ee0246e2a1ed2c320438dfaec10cfd1cab9b5ab6ccf87b9b08a6bcf218784aaea5f90f0a

Download Submit
memory/1044-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1044-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1044-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1044-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1208-22-0x0000000003D40000-0x0000000003F40000-memory.dmp

Filesize
2.0MB

Download
memory/1492-23-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/1492-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2668-5-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-6-0x00000000073D0000-0x0000000007448000-memory.dmp

Filesize
480KB

Download
memory/2668-2-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-4-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download
memory/2668-1-0x0000000000230000-0x0000000000310000-memory.dmp

Filesize
896KB

Download
memory/2668-3-0x0000000000660000-0x0000000000678000-memory.dmp

Filesize
96KB

Download
memory/2668-20-0x0000000074750000-0x0000000074E3E000-memory.dmp

Filesize
6.9MB

Download
memory/2668-0-0x000000007475E000-0x000000007475F000-memory.dmp

Filesize
4KB

Download