formbook | 94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31/01/2025, 04:13

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General

Target

94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe
Size

833KB
MD5

cd2719066dc301f9cd5dcbfbf5323508
SHA1

44d580125ff889fa9e8cd169138e72979554497a
SHA256

94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120
SHA512

35e8d8bd070e03ea1c611b85b45800364dd507636a60f37d3282ba55a85af4b5208b9c294c099d72994ad7938b20b8650735a64736a6967e94b376d986ab639e
SSDEEP

24576:3UMoO0sPUYPWt8WhEImRj/q6T6Sfglb/:3UBX8sB+jxC6T6SYlb

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

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/2928-46-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4188-95-0x0000000000C70000-0x0000000000C9F000-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
4140	powershell.exe
2044	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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1136 set thread context of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 2928 set thread context of 3436	2928	RegSvcs.exe	56
PID 4188 set thread context of 3436	4188	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 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	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.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	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
4996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe
2044	powershell.exe
4140	powershell.exe
4140	powershell.exe
1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe
2044	powershell.exe
2928	RegSvcs.exe
2928	RegSvcs.exe
2928	RegSvcs.exe
2928	RegSvcs.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe
4188	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2928	RegSvcs.exe
2928	RegSvcs.exe
2928	RegSvcs.exe
4188	msiexec.exe
4188	msiexec.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe
Token: SeDebugPrivilege	4140	powershell.exe
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeDebugPrivilege	2928	RegSvcs.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	4188	msiexec.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4140	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	86
PID 1136 wrote to memory of 4140	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	86
PID 1136 wrote to memory of 4140	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	86
PID 1136 wrote to memory of 2044	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	88
PID 1136 wrote to memory of 2044	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	88
PID 1136 wrote to memory of 2044	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	88
PID 1136 wrote to memory of 4996	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	90
PID 1136 wrote to memory of 4996	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	90
PID 1136 wrote to memory of 4996	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	90
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 1136 wrote to memory of 2928	1136	94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe	92
PID 3436 wrote to memory of 4188	3436	Explorer.EXE	93
PID 3436 wrote to memory of 4188	3436	Explorer.EXE	93
PID 3436 wrote to memory of 4188	3436	Explorer.EXE	93
PID 4188 wrote to memory of 224	4188	msiexec.exe	94
PID 4188 wrote to memory of 224	4188	msiexec.exe	94
PID 4188 wrote to memory of 224	4188	msiexec.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe
  "C:\Users\Admin\AppData\Local\Temp\94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.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:1136
- - 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\94fbf90615b1baf84da26854c9c7b72115eaa12eb8392d898c7689f433980120.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4140
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RDdEdL.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2044
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RDdEdL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC331.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4996
- - 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:2928
- 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:4188
- - 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:224

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
ccda9c78003db10721381f4678f6d13d

SHA1
389e7ed72e184b5bd121bf88ee4816c37d62e7cd

SHA256
c5b335db626cd26c4556deb7bd638c7541a6558b85351233a78aebbb454f8bbd

SHA512
b6c43ca779556a3ed8b433d08866b439d89106b5e41d60b44314a1888326b5d1bb9c02f9df7bac8a7a2d076375abc515a98cd220225a3be80ccca14db50b1245

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kisvcufh.nkj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC331.tmp

Filesize
1KB

MD5
64f067c5a07684e810fc0ac7d0d18260

SHA1
7084c73b445cf3f2859c1592578ba1829eb993d5

SHA256
5df5b7878f695aa2ca62dc46ecb7643d75f409eec9f0f16d991f66b00634c26b

SHA512
cfa7ba91115f8ea867061a2ff94e3cbba6abe6d1f81c07e634027b3960a4da56a8fb48ede2ddf94916cd12d9d231c9906d6e325e32c1e7b443d5ce101f1905cc

Download Submit
memory/1136-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/1136-1-0x0000000000870000-0x0000000000946000-memory.dmp

Filesize
856KB

Download
memory/1136-6-0x00000000055E0000-0x00000000055FE000-memory.dmp

Filesize
120KB

Download
memory/1136-49-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1136-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1136-9-0x0000000002BC0000-0x0000000002C3A000-memory.dmp

Filesize
488KB

Download
memory/1136-10-0x000000000D3F0000-0x000000000D48C000-memory.dmp

Filesize
624KB

Download
memory/1136-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1136-4-0x0000000005340000-0x000000000534A000-memory.dmp

Filesize
40KB

Download
memory/1136-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/1136-3-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/1136-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/2044-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2044-29-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2044-86-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2044-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/2044-83-0x0000000007150000-0x0000000007158000-memory.dmp

Filesize
32KB

Download
memory/2044-82-0x0000000007170000-0x000000000718A000-memory.dmp

Filesize
104KB

Download
memory/2044-81-0x0000000007070000-0x0000000007084000-memory.dmp

Filesize
80KB

Download
memory/2044-80-0x0000000007060000-0x000000000706E000-memory.dmp

Filesize
56KB

Download
memory/2044-65-0x0000000070180000-0x00000000701CC000-memory.dmp

Filesize
304KB

Download
memory/2044-78-0x00000000070B0000-0x0000000007146000-memory.dmp

Filesize
600KB

Download
memory/2928-46-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3436-97-0x0000000008AF0000-0x0000000008C2F000-memory.dmp

Filesize
1.2MB

Download
memory/4140-17-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4140-21-0x0000000005950000-0x0000000005972000-memory.dmp

Filesize
136KB

Download
memory/4140-53-0x0000000070180000-0x00000000701CC000-memory.dmp

Filesize
304KB

Download
memory/4140-63-0x0000000006660000-0x000000000667E000-memory.dmp

Filesize
120KB

Download
memory/4140-64-0x0000000007280000-0x0000000007323000-memory.dmp

Filesize
652KB

Download
memory/4140-48-0x0000000006090000-0x00000000060AE000-memory.dmp

Filesize
120KB

Download
memory/4140-76-0x00000000073B0000-0x00000000073CA000-memory.dmp

Filesize
104KB

Download
memory/4140-75-0x00000000079F0000-0x000000000806A000-memory.dmp

Filesize
6.5MB

Download
memory/4140-77-0x0000000007420000-0x000000000742A000-memory.dmp

Filesize
40KB

Download
memory/4140-50-0x00000000062B0000-0x00000000062FC000-memory.dmp

Filesize
304KB

Download
memory/4140-79-0x00000000075B0000-0x00000000075C1000-memory.dmp

Filesize
68KB

Download
memory/4140-52-0x0000000007040000-0x0000000007072000-memory.dmp

Filesize
200KB

Download
memory/4140-22-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/4140-32-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4140-36-0x0000000005BD0000-0x0000000005F24000-memory.dmp

Filesize
3.3MB

Download
memory/4140-28-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/4140-18-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4140-16-0x00000000051E0000-0x0000000005808000-memory.dmp

Filesize
6.2MB

Download
memory/4140-90-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/4140-15-0x0000000004AC0000-0x0000000004AF6000-memory.dmp

Filesize
216KB

Download
memory/4188-92-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download
memory/4188-94-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download
memory/4188-95-0x0000000000C70000-0x0000000000C9F000-memory.dmp

Filesize
188KB

Download
memory/4188-91-0x0000000000720000-0x0000000000732000-memory.dmp

Filesize
72KB

Download