formbook | 2f3766bd11570549f291b1c01fbf1e81805c2d072dbbd6ee26f2d9fd6dbcd8b7

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 03:31

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General

Target

??????.exe
Size

1.1MB
MD5

e5d39dbcb30238929cf0ace419b207e8
SHA1

f5c499e26a082a97ab0c4f2fb8dba82f719a37be
SHA256

a27690306574d230791d1625c7657c8460a1ad5a3bc0187e28a7620f30da14fa
SHA512

52d1bff13ff64c514fd804887e034809023d23abf77ebf5b8aa04a12b4c6575f348925f76a82bc793167307e9775400eee2aedf5cf0e1b11b932da17bc4e89a3
SSDEEP

24576:+by9e8ItJePeyuFyVU7/78m9w9BxanVR5VVuj+olvm:+aOtJePe/Fyuf19w9BxIT5VVu+olO

Score

10^/10

formbook gn27 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gn27

Decoy

perilunevc.com

kantogaming.com

stageyor.online

jixsux.site

dingmei2020.icu

savagesupplyco.com

deadstockllc.com

leyandfey.com

zjn22558800.com

projectupskill.net

outliersresearch.com

spaced.community

zschengbangzx.com

5gxzxxtax-ety7f.biz

iq0xe.com

6388xp9xg9k.com

hengyungdzz.com

retrosale.com

echt.global

canceltotalav.com

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/1844-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1844-40-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1064-79-0x0000000001210000-0x000000000123F000-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
4608	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	______.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5088 set thread context of 1844	5088	______.exe	105
PID 1844 set thread context of 3452	1844	RegSvcs.exe	56
PID 1064 set thread context of 3452	1064	msiexec.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 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	______.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	msiexec.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
4420	schtasks.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
5088	______.exe
4608	powershell.exe
5088	______.exe
1844	RegSvcs.exe
1844	RegSvcs.exe
1844	RegSvcs.exe
1844	RegSvcs.exe
4608	powershell.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe
1064	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1844	RegSvcs.exe
1844	RegSvcs.exe
1844	RegSvcs.exe
1064	msiexec.exe
1064	msiexec.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	5088	______.exe
Token: SeDebugPrivilege	4608	powershell.exe
Token: SeDebugPrivilege	1844	RegSvcs.exe
Token: SeDebugPrivilege	1064	msiexec.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4608	5088	______.exe	101
PID 5088 wrote to memory of 4608	5088	______.exe	101
PID 5088 wrote to memory of 4608	5088	______.exe	101
PID 5088 wrote to memory of 4420	5088	______.exe	103
PID 5088 wrote to memory of 4420	5088	______.exe	103
PID 5088 wrote to memory of 4420	5088	______.exe	103
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 5088 wrote to memory of 1844	5088	______.exe	105
PID 3452 wrote to memory of 1064	3452	Explorer.EXE	106
PID 3452 wrote to memory of 1064	3452	Explorer.EXE	106
PID 3452 wrote to memory of 1064	3452	Explorer.EXE	106
PID 1064 wrote to memory of 468	1064	msiexec.exe	107
PID 1064 wrote to memory of 468	1064	msiexec.exe	107
PID 1064 wrote to memory of 468	1064	msiexec.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\______.exe
  "C:\Users\Admin\AppData\Local\Temp\______.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:5088
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AHPAQxU.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4608
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AHPAQxU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp40BD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4420
- - 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:1844
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1064
- - 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:468

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\__PSScriptPolicyTest_oqef45qq.ei0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp40BD.tmp

Filesize
1KB

MD5
e1b9b89f5a38fbc26da3f5debcd5fa0f

SHA1
a47d9741de395e93c543978f5777fafc059eb383

SHA256
aae47334b9a78e22af7e955d7c6c736dc69f7b0ade54ed4bf3cc0d05298929ef

SHA512
f12edea423ecef32ea377fefe6002d34d5b16615629c7d18bd8424a1fbe0061ad636c46978f0fa96a7af79cca85cc9db507ecb293a77790f9cf96d180acef54f

Download Submit
memory/1064-65-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/1064-79-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/1064-71-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/1064-67-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

Filesize
72KB

Download
memory/1844-39-0x00000000012B0000-0x00000000015FA000-memory.dmp

Filesize
3.3MB

Download
memory/1844-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1844-41-0x0000000001290000-0x00000000012A4000-memory.dmp

Filesize
80KB

Download
memory/1844-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-80-0x0000000002780000-0x00000000028C8000-memory.dmp

Filesize
1.3MB

Download
memory/3452-42-0x0000000002780000-0x00000000028C8000-memory.dmp

Filesize
1.3MB

Download
memory/3452-85-0x00000000079A0000-0x0000000007A8A000-memory.dmp

Filesize
936KB

Download
memory/4608-18-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/4608-70-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-19-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-20-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-78-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-22-0x0000000005900000-0x0000000005922000-memory.dmp

Filesize
136KB

Download
memory/4608-75-0x00000000077B0000-0x00000000077B8000-memory.dmp

Filesize
32KB

Download
memory/4608-24-0x0000000005A10000-0x0000000005A76000-memory.dmp

Filesize
408KB

Download
memory/4608-32-0x0000000005B20000-0x0000000005E74000-memory.dmp

Filesize
3.3MB

Download
memory/4608-15-0x0000000002840000-0x0000000002876000-memory.dmp

Filesize
216KB

Download
memory/4608-74-0x00000000077D0000-0x00000000077EA000-memory.dmp

Filesize
104KB

Download
memory/4608-17-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-73-0x00000000076D0000-0x00000000076E4000-memory.dmp

Filesize
80KB

Download
memory/4608-72-0x00000000076C0000-0x00000000076CE000-memory.dmp

Filesize
56KB

Download
memory/4608-23-0x00000000059A0000-0x0000000005A06000-memory.dmp

Filesize
408KB

Download
memory/4608-69-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4608-43-0x0000000006170000-0x000000000618E000-memory.dmp

Filesize
120KB

Download
memory/4608-44-0x0000000006200000-0x000000000624C000-memory.dmp

Filesize
304KB

Download
memory/4608-45-0x000000007EFF0000-0x000000007F000000-memory.dmp

Filesize
64KB

Download
memory/4608-46-0x0000000006740000-0x0000000006772000-memory.dmp

Filesize
200KB

Download
memory/4608-47-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/4608-54-0x0000000002880000-0x0000000002890000-memory.dmp

Filesize
64KB

Download
memory/4608-58-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/4608-59-0x0000000007350000-0x00000000073F3000-memory.dmp

Filesize
652KB

Download
memory/4608-60-0x0000000007AD0000-0x000000000814A000-memory.dmp

Filesize
6.5MB

Download
memory/4608-61-0x0000000007490000-0x00000000074AA000-memory.dmp

Filesize
104KB

Download
memory/4608-62-0x0000000007500000-0x000000000750A000-memory.dmp

Filesize
40KB

Download
memory/4608-63-0x0000000007710000-0x00000000077A6000-memory.dmp

Filesize
600KB

Download
memory/4608-64-0x0000000007690000-0x00000000076A1000-memory.dmp

Filesize
68KB

Download
memory/5088-10-0x0000000006310000-0x000000000640E000-memory.dmp

Filesize
1016KB

Download
memory/5088-6-0x0000000004E00000-0x0000000004E18000-memory.dmp

Filesize
96KB

Download
memory/5088-5-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-4-0x0000000004A00000-0x0000000004A0A000-memory.dmp

Filesize
40KB

Download
memory/5088-7-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/5088-8-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-9-0x0000000006080000-0x000000000611C000-memory.dmp

Filesize
624KB

Download
memory/5088-37-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/5088-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/5088-21-0x0000000006470000-0x00000000064A4000-memory.dmp

Filesize
208KB

Download
memory/5088-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/5088-2-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/5088-1-0x0000000000020000-0x0000000000146000-memory.dmp

Filesize
1.1MB

Download