formbook | 10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
30/01/2025, 13:52

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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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1880-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1880-90-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1944-92-0x0000000000400000-0x000000000042F000-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
1416	powershell.exe
4004	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	MtpEVOhIlX08ZbN.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 1880 set thread context of 3392	1880	RegSvcs.exe	55
PID 1880 set thread context of 3392	1880	RegSvcs.exe	55
PID 1944 set thread context of 3392	1944	chkdsk.exe	55

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	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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

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
3604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
5004	MtpEVOhIlX08ZbN.exe
1416	powershell.exe
4004	powershell.exe
5004	MtpEVOhIlX08ZbN.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
4004	powershell.exe
1416	powershell.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe
1944	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1880	RegSvcs.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
1880	RegSvcs.exe
1944	chkdsk.exe
1944	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	MtpEVOhIlX08ZbN.exe
Token: SeDebugPrivilege	4004	powershell.exe
Token: SeDebugPrivilege	1416	powershell.exe
Token: SeDebugPrivilege	1880	RegSvcs.exe
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeDebugPrivilege	1944	chkdsk.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 4004	5004	MtpEVOhIlX08ZbN.exe	85
PID 5004 wrote to memory of 4004	5004	MtpEVOhIlX08ZbN.exe	85
PID 5004 wrote to memory of 4004	5004	MtpEVOhIlX08ZbN.exe	85
PID 5004 wrote to memory of 1416	5004	MtpEVOhIlX08ZbN.exe	87
PID 5004 wrote to memory of 1416	5004	MtpEVOhIlX08ZbN.exe	87
PID 5004 wrote to memory of 1416	5004	MtpEVOhIlX08ZbN.exe	87
PID 5004 wrote to memory of 3604	5004	MtpEVOhIlX08ZbN.exe	89
PID 5004 wrote to memory of 3604	5004	MtpEVOhIlX08ZbN.exe	89
PID 5004 wrote to memory of 3604	5004	MtpEVOhIlX08ZbN.exe	89
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 5004 wrote to memory of 1880	5004	MtpEVOhIlX08ZbN.exe	91
PID 3392 wrote to memory of 1944	3392	Explorer.EXE	92
PID 3392 wrote to memory of 1944	3392	Explorer.EXE	92
PID 3392 wrote to memory of 1944	3392	Explorer.EXE	92
PID 1944 wrote to memory of 400	1944	chkdsk.exe	93
PID 1944 wrote to memory of 400	1944	chkdsk.exe	93
PID 1944 wrote to memory of 400	1944	chkdsk.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe
  "C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5004
- - 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:4004
- - 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:1416
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHjGErDAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE38A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3604
- - 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:1880
- 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:1944
- - 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:400

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
a3e216f0aaa83d0e3bdbe2765fd79ff0

SHA1
0eee235362a97daa6df2c790f4bf1827e44e784f

SHA256
b75840e01db37a4ab96694a2b2306ddf253f4469a7977fe8fd00d885f57f00c9

SHA512
7e4df1d7740ddc226fd58c29e6d7216825b1fae7f79be4eff28ded7c5028a8bc11588474c90f0d529f21df2337b1fe954340fbae522c2720b94110fe7b1a6953

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_43ssdjqw.d42.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE38A.tmp

Filesize
1KB

MD5
02068881f212a309e5ea272f592dcfdd

SHA1
87911c7304111f7b250e17bda37aa01ad94f045a

SHA256
175a7a1e6c2668a7f636b4d9b9c64ccdd5778b9c7b8352511f5cf22aa5461dd9

SHA512
c30e3d6e845e1af5723a085d7c90bdf164faeabb7100e5413b0383d78fc7301bdde5e2ec2a22e04227e2cff7bf477e67f53e19ba88ec74927c3d7fae379cd728

Download Submit
memory/1416-77-0x0000000007E00000-0x0000000007E96000-memory.dmp

Filesize
600KB

Download
memory/1416-78-0x0000000007EA0000-0x0000000007EB1000-memory.dmp

Filesize
68KB

Download
memory/1416-33-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1416-75-0x0000000007B80000-0x0000000007B9A000-memory.dmp

Filesize
104KB

Download
memory/1416-76-0x0000000007C00000-0x0000000007C0A000-memory.dmp

Filesize
40KB

Download
memory/1416-26-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1416-88-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/1416-53-0x0000000075BC0000-0x0000000075C0C000-memory.dmp

Filesize
304KB

Download
memory/1416-81-0x0000000007F40000-0x0000000007F5A000-memory.dmp

Filesize
104KB

Download
memory/1416-80-0x0000000007EE0000-0x0000000007EF4000-memory.dmp

Filesize
80KB

Download
memory/1880-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1880-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1944-91-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/1944-92-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3392-96-0x0000000008980000-0x0000000008A53000-memory.dmp

Filesize
844KB

Download
memory/4004-21-0x0000000004940000-0x0000000004962000-memory.dmp

Filesize
136KB

Download
memory/4004-49-0x00000000059F0000-0x0000000005A0E000-memory.dmp

Filesize
120KB

Download
memory/4004-22-0x0000000004AE0000-0x0000000004B46000-memory.dmp

Filesize
408KB

Download
memory/4004-89-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-24-0x0000000005430000-0x0000000005784000-memory.dmp

Filesize
3.3MB

Download
memory/4004-15-0x0000000004430000-0x0000000004466000-memory.dmp

Filesize
216KB

Download
memory/4004-82-0x0000000007040000-0x0000000007048000-memory.dmp

Filesize
32KB

Download
memory/4004-16-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-23-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/4004-17-0x0000000004B60000-0x0000000005188000-memory.dmp

Filesize
6.2MB

Download
memory/4004-52-0x0000000075BC0000-0x0000000075C0C000-memory.dmp

Filesize
304KB

Download
memory/4004-51-0x0000000005FC0000-0x0000000005FF2000-memory.dmp

Filesize
200KB

Download
memory/4004-72-0x0000000005FA0000-0x0000000005FBE000-memory.dmp

Filesize
120KB

Download
memory/4004-73-0x0000000006BD0000-0x0000000006C73000-memory.dmp

Filesize
652KB

Download
memory/4004-74-0x0000000007360000-0x00000000079DA000-memory.dmp

Filesize
6.5MB

Download
memory/4004-50-0x0000000005AD0000-0x0000000005B1C000-memory.dmp

Filesize
304KB

Download
memory/4004-19-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-79-0x0000000006F50000-0x0000000006F5E000-memory.dmp

Filesize
56KB

Download
memory/4004-18-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-0-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/5004-2-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/5004-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-41-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-3-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/5004-1-0x00000000004D0000-0x00000000005A8000-memory.dmp

Filesize
864KB

Download
memory/5004-4-0x0000000005040000-0x000000000504A000-memory.dmp

Filesize
40KB

Download
memory/5004-10-0x000000000D0C0000-0x000000000D15C000-memory.dmp

Filesize
624KB

Download
memory/5004-9-0x0000000002840000-0x00000000028BA000-memory.dmp

Filesize
488KB

Download
memory/5004-8-0x0000000075330000-0x0000000075AE0000-memory.dmp

Filesize
7.7MB

Download
memory/5004-7-0x000000007533E000-0x000000007533F000-memory.dmp

Filesize
4KB

Download
memory/5004-6-0x00000000055C0000-0x00000000055DE000-memory.dmp

Filesize
120KB

Download