formbook | 194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 18:36

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General

Target

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe
Size

553KB
MD5

72daaf8dc38b44e3b6c6e1d9e0f31ff4
SHA1

0540f3f40e82442d914f1e271bc63ba5a7356f59
SHA256

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa
SHA512

4e28d3b3809634d8e26fd76146f8186a968c7cf2719924cde26eb2f0e7efd2e394c144be683d1d48760fb782148fd7362353f2e6a49a43f9706728e39efd7290
SSDEEP

12288:HrUSaiIHV46Bd17WSmxTnZ3G26m8zyzLFcTsA909LQQ1L:HLa54M1bGlGrTzyzhcT4

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

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

Processes:

resource	yara_rule
behavioral2/memory/2428-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2428-31-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1644-77-0x00000000010D0000-0x00000000010FF000-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

Processes:

powershell.exe

pid	Process
4924	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

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exeRegSvcs.exemstsc.exe

description	pid	Process	procid_target
PID 3436 set thread context of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 2428 set thread context of 3492	2428	RegSvcs.exe	56
PID 1644 set thread context of 3492	1644	mstsc.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

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exepowershell.exeschtasks.exemstsc.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.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	mstsc.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

Processes:

schtasks.exe

pid	Process
1256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exeRegSvcs.exepowershell.exemstsc.exe

pid	Process
3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe
3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe
2428	RegSvcs.exe
2428	RegSvcs.exe
2428	RegSvcs.exe
2428	RegSvcs.exe
4924	powershell.exe
4924	powershell.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe
1644	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemstsc.exe

pid	Process
2428	RegSvcs.exe
2428	RegSvcs.exe
2428	RegSvcs.exe
1644	mstsc.exe
1644	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exepowershell.exeRegSvcs.exemstsc.exeExplorer.EXE

description	pid	Process
Token: SeDebugPrivilege	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe
Token: SeDebugPrivilege	4924	powershell.exe
Token: SeDebugPrivilege	2428	RegSvcs.exe
Token: SeDebugPrivilege	1644	mstsc.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exeExplorer.EXEmstsc.exe

description	pid	Process	procid_target
PID 3436 wrote to memory of 4924	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	87
PID 3436 wrote to memory of 4924	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	87
PID 3436 wrote to memory of 4924	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	87
PID 3436 wrote to memory of 1256	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	89
PID 3436 wrote to memory of 1256	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	89
PID 3436 wrote to memory of 1256	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	89
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3436 wrote to memory of 2428	3436	194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe	91
PID 3492 wrote to memory of 1644	3492	Explorer.EXE	92
PID 3492 wrote to memory of 1644	3492	Explorer.EXE	92
PID 3492 wrote to memory of 1644	3492	Explorer.EXE	92
PID 1644 wrote to memory of 4240	1644	mstsc.exe	95
PID 1644 wrote to memory of 4240	1644	mstsc.exe	95
PID 1644 wrote to memory of 4240	1644	mstsc.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.exe
  "C:\Users\Admin\AppData\Local\Temp\194f2fcea5e7a2056112f479911bf768c494f8dd04702471f643dca95bae46fa.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:3436
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rLYOSRaz.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4924
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rLYOSRaz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC071.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1256
- - 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:2428
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:1644
- - 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:4240

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_450jskux.d1x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC071.tmp

Filesize
1KB

MD5
fed84153616bb04317db9b438919815d

SHA1
8b2ee472ec7f5ad3140785f7a701fd1399ffda5e

SHA256
07faf9034167e535bceb0e0058b75ea691758140302ffdc9d7b623bdeec11eb6

SHA512
dc2ff6c16e9572865a9ef935ddf7d5e6e794e62d59283fe220e179368f8d33429ce5484349802eab257d7866a25d8d478a3e3d23db98c6311dab756bb4b55cfa

Download Submit
memory/1644-64-0x0000000000340000-0x000000000047A000-memory.dmp

Filesize
1.2MB

Download
memory/1644-62-0x0000000000340000-0x000000000047A000-memory.dmp

Filesize
1.2MB

Download
memory/1644-77-0x00000000010D0000-0x00000000010FF000-memory.dmp

Filesize
188KB

Download
memory/2428-29-0x0000000000EB0000-0x0000000000EC4000-memory.dmp

Filesize
80KB

Download
memory/2428-31-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2428-28-0x00000000013A0000-0x00000000016EA000-memory.dmp

Filesize
3.3MB

Download
memory/2428-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3436-6-0x0000000005160000-0x00000000051FC000-memory.dmp

Filesize
624KB

Download
memory/3436-7-0x0000000005150000-0x0000000005162000-memory.dmp

Filesize
72KB

Download
memory/3436-1-0x0000000000450000-0x00000000004E0000-memory.dmp

Filesize
576KB

Download
memory/3436-9-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3436-0-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

Filesize
5.6MB

Download
memory/3436-8-0x000000007508E000-0x000000007508F000-memory.dmp

Filesize
4KB

Download
memory/3436-10-0x00000000068F0000-0x0000000006966000-memory.dmp

Filesize
472KB

Download
memory/3436-5-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

Filesize
40KB

Download
memory/3436-23-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3436-4-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/3436-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/3492-30-0x0000000003150000-0x00000000032AE000-memory.dmp

Filesize
1.4MB

Download
memory/3492-78-0x0000000003150000-0x00000000032AE000-memory.dmp

Filesize
1.4MB

Download
memory/3492-83-0x00000000088F0000-0x0000000008A5E000-memory.dmp

Filesize
1.4MB

Download
memory/4924-17-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-26-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/4924-25-0x00000000058E0000-0x0000000005946000-memory.dmp

Filesize
408KB

Download
memory/4924-24-0x0000000005840000-0x0000000005862000-memory.dmp

Filesize
136KB

Download
memory/4924-42-0x0000000005FD0000-0x0000000005FEE000-memory.dmp

Filesize
120KB

Download
memory/4924-43-0x0000000006060000-0x00000000060AC000-memory.dmp

Filesize
304KB

Download
memory/4924-44-0x000000007F300000-0x000000007F310000-memory.dmp

Filesize
64KB

Download
memory/4924-45-0x00000000065B0000-0x00000000065E2000-memory.dmp

Filesize
200KB

Download
memory/4924-46-0x0000000071940000-0x000000007198C000-memory.dmp

Filesize
304KB

Download
memory/4924-57-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

Filesize
64KB

Download
memory/4924-56-0x0000000006570000-0x000000000658E000-memory.dmp

Filesize
120KB

Download
memory/4924-58-0x00000000071E0000-0x0000000007283000-memory.dmp

Filesize
652KB

Download
memory/4924-59-0x0000000007940000-0x0000000007FBA000-memory.dmp

Filesize
6.5MB

Download
memory/4924-60-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/4924-61-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/4924-37-0x00000000059C0000-0x0000000005D14000-memory.dmp

Filesize
3.3MB

Download
memory/4924-22-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-65-0x0000000007570000-0x0000000007606000-memory.dmp

Filesize
600KB

Download
memory/4924-67-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-66-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-68-0x00000000074F0000-0x0000000007501000-memory.dmp

Filesize
68KB

Download
memory/4924-69-0x0000000007520000-0x000000000752E000-memory.dmp

Filesize
56KB

Download
memory/4924-70-0x0000000007530000-0x0000000007544000-memory.dmp

Filesize
80KB

Download
memory/4924-71-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-72-0x0000000007630000-0x000000000764A000-memory.dmp

Filesize
104KB

Download
memory/4924-73-0x0000000007610000-0x0000000007618000-memory.dmp

Filesize
32KB

Download
memory/4924-76-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-19-0x0000000075080000-0x0000000075830000-memory.dmp

Filesize
7.7MB

Download
memory/4924-18-0x00000000051E0000-0x0000000005808000-memory.dmp

Filesize
6.2MB

Download
memory/4924-15-0x0000000002690000-0x00000000026C6000-memory.dmp

Filesize
216KB

Download