formbook | e8cf00569afc2505968b3661a49320bc7c8e2cb4338719b66aae88fc7429927e

Analysis

max time kernel
146s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 04:43

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General

Target

MtpEVOhIlX08ZbN.exe
Size

835KB
MD5

ff5640b9478170f504c7a344f2cfd2f0
SHA1

3ada7fc9fd12140209115cda646b3ecb1a8c8ec4
SHA256

10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20
SHA512

db9e03be02bb52112cef4622bfe2d134b87f9e66227501d50326138aab17fcaf7aef91950e4131b3fdaa7d1b960fafc5284a181ef53351ae7d377502ffc7f6b8
SSDEEP

12288:fEUM8HCoR6k/LbPWJxKXuNMe7IiSR61+7iRTKJq5:MUMRCNLbOSX67IiU61+7In

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.xyz

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/2344-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1456-29-0x0000000000080000-0x00000000000AF000-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
2820	powershell.exe
2812	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2344 set thread context of 1200	2344	RegSvcs.exe	21
PID 1456 set thread context of 1200	1456	chkdsk.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	MtpEVOhIlX08ZbN.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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.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
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2100	MtpEVOhIlX08ZbN.exe
2100	MtpEVOhIlX08ZbN.exe
2344	RegSvcs.exe
2820	powershell.exe
2812	powershell.exe
2344	RegSvcs.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe
1456	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2344	RegSvcs.exe
2344	RegSvcs.exe
2344	RegSvcs.exe
1456	chkdsk.exe
1456	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2100	MtpEVOhIlX08ZbN.exe
Token: SeDebugPrivilege	2344	RegSvcs.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	1456	chkdsk.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2820	2100	MtpEVOhIlX08ZbN.exe	30
PID 2100 wrote to memory of 2820	2100	MtpEVOhIlX08ZbN.exe	30
PID 2100 wrote to memory of 2820	2100	MtpEVOhIlX08ZbN.exe	30
PID 2100 wrote to memory of 2820	2100	MtpEVOhIlX08ZbN.exe	30
PID 2100 wrote to memory of 2812	2100	MtpEVOhIlX08ZbN.exe	32
PID 2100 wrote to memory of 2812	2100	MtpEVOhIlX08ZbN.exe	32
PID 2100 wrote to memory of 2812	2100	MtpEVOhIlX08ZbN.exe	32
PID 2100 wrote to memory of 2812	2100	MtpEVOhIlX08ZbN.exe	32
PID 2100 wrote to memory of 2796	2100	MtpEVOhIlX08ZbN.exe	34
PID 2100 wrote to memory of 2796	2100	MtpEVOhIlX08ZbN.exe	34
PID 2100 wrote to memory of 2796	2100	MtpEVOhIlX08ZbN.exe	34
PID 2100 wrote to memory of 2796	2100	MtpEVOhIlX08ZbN.exe	34
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 2100 wrote to memory of 2344	2100	MtpEVOhIlX08ZbN.exe	36
PID 1200 wrote to memory of 1456	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1456	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1456	1200	Explorer.EXE	37
PID 1200 wrote to memory of 1456	1200	Explorer.EXE	37
PID 1456 wrote to memory of 592	1456	chkdsk.exe	38
PID 1456 wrote to memory of 592	1456	chkdsk.exe	38
PID 1456 wrote to memory of 592	1456	chkdsk.exe	38
PID 1456 wrote to memory of 592	1456	chkdsk.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe
  "C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - 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\MtpEVOhIlX08ZbN.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2820
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sHjGErDAO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2812
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHjGErDAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA2B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2796
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2344
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:592

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBA2B.tmp

Filesize
1KB

MD5
ab2734eb848d3a795e5b5b25a5fa3acf

SHA1
f767c0279ca8770e149ae0cf0db65a0573228a5b

SHA256
590db5f65b30f626f8608a4e108a3fa2a0051d757272eb9a5254b759aa3e306b

SHA512
da36b4781d8276a100620390f8852597a7150f87207445290ba6d0a0f7bee3d797d6c2c80bfdc7a84f0cf52e85b505c9162415e7ed2624d9d4378c0255479008

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
bbef40695d3b85d7c61b6d3c0857ab6c

SHA1
951a81741a679573eb23b1d4ca29ec398dfe7444

SHA256
a8897396547104e97846108afa12c028b57b42ba4b2c9f948a334b391deca9e2

SHA512
03e41a0bc37949e09668241731450def2004538606bdb8418300f6c09d835fecdc74a80f855d090cf0c43bacbf72e2b122db0e82cae65422019f084185b03baf

Download Submit
memory/1456-29-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1456-28-0x0000000000780000-0x0000000000787000-memory.dmp

Filesize
28KB

Download
memory/2100-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2100-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-6-0x00000000003F0000-0x000000000046A000-memory.dmp

Filesize
488KB

Download
memory/2100-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2100-3-0x00000000005F0000-0x000000000060E000-memory.dmp

Filesize
120KB

Download
memory/2100-25-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2100-1-0x0000000001230000-0x0000000001308000-memory.dmp

Filesize
864KB

Download
memory/2344-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2344-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2344-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2344-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download