formbook | bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 03:12

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General

Target

bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
Size

836KB
MD5

735a274389af85c4b4f6ccd684b1b30a
SHA1

2ae6619febb0c9f4d318daa9f28172c2ed9ed4da
SHA256

bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b
SHA512

959bd09b752128ae08262bc7803b857099e3727f025f380a918f5b46ac64384180224ef40cc086c795f54dbb8621798b3ba95362805bccbc634800fc626bf14a
SSDEEP

24576:C8yNK1t4NK1tOqLB94uH/Stkd3uRStXvfFQ:Rhz9fvj

Score

10^/10

formbook a03d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.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
behavioral2/memory/4608-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4972-89-0x0000000000530000-0x000000000055F000-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
4572	powershell.exe
372	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3228 set thread context of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 4608 set thread context of 3408	4608	MSBuild.exe	56
PID 4972 set thread context of 3408	4972	help.exe	56

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	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.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
4844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
372	powershell.exe
4572	powershell.exe
3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
4572	powershell.exe
4608	MSBuild.exe
4608	MSBuild.exe
4608	MSBuild.exe
4608	MSBuild.exe
372	powershell.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe
4972	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4608	MSBuild.exe
4608	MSBuild.exe
4608	MSBuild.exe
4972	help.exe
4972	help.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
Token: SeDebugPrivilege	372	powershell.exe
Token: SeDebugPrivilege	4572	powershell.exe
Token: SeDebugPrivilege	4608	MSBuild.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeDebugPrivilege	4972	help.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 4572	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	91
PID 3228 wrote to memory of 4572	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	91
PID 3228 wrote to memory of 4572	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	91
PID 3228 wrote to memory of 372	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	93
PID 3228 wrote to memory of 372	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	93
PID 3228 wrote to memory of 372	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	93
PID 3228 wrote to memory of 4844	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	95
PID 3228 wrote to memory of 4844	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	95
PID 3228 wrote to memory of 4844	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	95
PID 3228 wrote to memory of 3724	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	97
PID 3228 wrote to memory of 3724	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	97
PID 3228 wrote to memory of 3724	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	97
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3228 wrote to memory of 4608	3228	bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe	98
PID 3408 wrote to memory of 4972	3408	Explorer.EXE	99
PID 3408 wrote to memory of 4972	3408	Explorer.EXE	99
PID 3408 wrote to memory of 4972	3408	Explorer.EXE	99
PID 4972 wrote to memory of 4204	4972	help.exe	100
PID 4972 wrote to memory of 4204	4972	help.exe	100
PID 4972 wrote to memory of 4204	4972	help.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe
  "C:\Users\Admin\AppData\Local\Temp\bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.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:3228
- - 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\bcfeb4ec31e731899a0ddd0a608aa7ecbfbdbf37f4ac3810b275ba6905a1969b.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4572
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\utlAHqvw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:372
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\utlAHqvw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6AB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4844
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    PID:3724
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4608
- 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:4972
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4204

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_44ctrmpg.fwt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC6AB.tmp

Filesize
1KB

MD5
76a8d0d9b7dd317f2f644af15ffeb719

SHA1
580e5936e2fe422feb11bf8fa8298f2f206aa5a1

SHA256
dc8ae5327c5715dbca54e73b23a39325d108c7812f6d859fe76e4568a40f6809

SHA512
9afdad4f2e5a19de36b73815f1e41c43fab5aa0f42b85db7393815f087014c320bc0df9049a81e4590adc530be839a1641d454de42987704680616cbc1193ffa

Download Submit
memory/372-77-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

Filesize
40KB

Download
memory/372-82-0x00000000071A0000-0x00000000071BA000-memory.dmp

Filesize
104KB

Download
memory/372-76-0x0000000006E60000-0x0000000006E7A000-memory.dmp

Filesize
104KB

Download
memory/372-75-0x00000000074B0000-0x0000000007B2A000-memory.dmp

Filesize
6.5MB

Download
memory/372-78-0x00000000070E0000-0x0000000007176000-memory.dmp

Filesize
600KB

Download
memory/372-79-0x0000000007060000-0x0000000007071000-memory.dmp

Filesize
68KB

Download
memory/372-81-0x00000000070A0000-0x00000000070B4000-memory.dmp

Filesize
80KB

Download
memory/372-22-0x0000000004CA0000-0x0000000004D06000-memory.dmp

Filesize
408KB

Download
memory/372-65-0x000000006F9A0000-0x000000006F9EC000-memory.dmp

Filesize
304KB

Download
memory/372-83-0x0000000007180000-0x0000000007188000-memory.dmp

Filesize
32KB

Download
memory/372-21-0x0000000004C30000-0x0000000004C96000-memory.dmp

Filesize
408KB

Download
memory/372-86-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/372-40-0x0000000005500000-0x0000000005854000-memory.dmp

Filesize
3.3MB

Download
memory/372-20-0x0000000004A90000-0x0000000004AB2000-memory.dmp

Filesize
136KB

Download
memory/372-29-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/372-34-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/372-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3228-10-0x00000000083F0000-0x000000000846A000-memory.dmp

Filesize
488KB

Download
memory/3228-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/3228-1-0x0000000000460000-0x0000000000538000-memory.dmp

Filesize
864KB

Download
memory/3228-9-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3228-48-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3228-8-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/3228-2-0x0000000005420000-0x00000000059C4000-memory.dmp

Filesize
5.6MB

Download
memory/3228-7-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

Filesize
104KB

Download
memory/3228-6-0x00000000080E0000-0x000000000817C000-memory.dmp

Filesize
624KB

Download
memory/3228-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/3228-5-0x00000000050E0000-0x00000000050EA000-memory.dmp

Filesize
40KB

Download
memory/3228-4-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/3408-93-0x0000000003300000-0x0000000003474000-memory.dmp

Filesize
1.5MB

Download
memory/4572-18-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4572-80-0x0000000007010000-0x000000000701E000-memory.dmp

Filesize
56KB

Download
memory/4572-63-0x0000000006080000-0x000000000609E000-memory.dmp

Filesize
120KB

Download
memory/4572-64-0x0000000006CC0000-0x0000000006D63000-memory.dmp

Filesize
652KB

Download
memory/4572-53-0x000000006F9A0000-0x000000006F9EC000-memory.dmp

Filesize
304KB

Download
memory/4572-49-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

Filesize
120KB

Download
memory/4572-50-0x0000000006010000-0x000000000605C000-memory.dmp

Filesize
304KB

Download
memory/4572-52-0x0000000006C80000-0x0000000006CB2000-memory.dmp

Filesize
200KB

Download
memory/4572-15-0x0000000000D60000-0x0000000000D96000-memory.dmp

Filesize
216KB

Download
memory/4572-16-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4572-41-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4572-17-0x0000000004DD0000-0x00000000053F8000-memory.dmp

Filesize
6.2MB

Download
memory/4572-87-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4972-88-0x0000000000170000-0x0000000000177000-memory.dmp

Filesize
28KB

Download
memory/4972-89-0x0000000000530000-0x000000000055F000-memory.dmp

Filesize
188KB

Download