formbook | d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2025, 12:10

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General

Target

Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
Size

617KB
MD5

5d917b070d148e8c043a3df37d8d0d6f
SHA1

75cd40a178208432228ce736a5c4eb35b2d89b44
SHA256

d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d
SHA512

cff6b80d91e5577aaf3194256006042db1397b473a1fbdc98337ff98dd1a553bbb920c8c3c663e24949b49d545ef1c39c4024fcdf0b5e5d9d52717bf01b43081
SSDEEP

12288:qPFY/Bdue1pIemCBnH6h+/wfktcLkdseWQnYK7u4XFBbHovTY26:qPFG31XV0+/wfbkd37YK7u418TW

Score

10^/10

formbook my18 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

my18

Decoy

ladproductreviews.shop

ivor.online

odesfactory.xyz

shim.shop

elonyyoung.net

gac.online

zgtl.click

27652.locker

omelyrooms.online

ermanosu.online

offee-machine-19139.bond

91033.pro

ovedirectiveteam.info

tmsolcoinews.uno

lizz.finance

uyurbanaraava.shop

anufixo.xyz

ypercog.xyz

itblog.tech

reshdirectivesolutions.info

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/2064-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5592-90-0x00000000005A0000-0x00000000005CF000-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
4716	powershell.exe
4768	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-1-5-21-3446877943-4095308722-756223633-1000\Control Panel\International\Geo\Nation	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4196 set thread context of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 2064 set thread context of 3424	2064	RegSvcs.exe	56
PID 5592 set thread context of 3424	5592	svchost.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	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.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
5000	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
4716	powershell.exe
4716	powershell.exe
4768	powershell.exe
4768	powershell.exe
4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
4716	powershell.exe
4768	powershell.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe
5592	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2064	RegSvcs.exe
2064	RegSvcs.exe
2064	RegSvcs.exe
5592	svchost.exe
5592	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
Token: SeDebugPrivilege	4716	powershell.exe
Token: SeDebugPrivilege	4768	powershell.exe
Token: SeDebugPrivilege	2064	RegSvcs.exe
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeDebugPrivilege	5592	svchost.exe
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 4716	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	96
PID 4196 wrote to memory of 4716	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	96
PID 4196 wrote to memory of 4716	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	96
PID 4196 wrote to memory of 4768	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	98
PID 4196 wrote to memory of 4768	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	98
PID 4196 wrote to memory of 4768	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	98
PID 4196 wrote to memory of 5000	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	100
PID 4196 wrote to memory of 5000	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	100
PID 4196 wrote to memory of 5000	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	100
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 4196 wrote to memory of 2064	4196	Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe	102
PID 3424 wrote to memory of 5592	3424	Explorer.EXE	103
PID 3424 wrote to memory of 5592	3424	Explorer.EXE	103
PID 3424 wrote to memory of 5592	3424	Explorer.EXE	103
PID 5592 wrote to memory of 4220	5592	svchost.exe	104
PID 5592 wrote to memory of 4220	5592	svchost.exe	104
PID 5592 wrote to memory of 4220	5592	svchost.exe	104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.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:4196
- - 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\Sigmanly_d8c0f4739b6a46ee8c46a6af4622158b9a866b6eabd1dd6a88228856520b714d.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4716
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ljFvtsV.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4768
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ljFvtsV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5000
- - 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:2064
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:5592
- - 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:4220

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\Temp\__PSScriptPolicyTest_s5b5yd5u.xd3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp

Filesize
1KB

MD5
17504abbe4b0ee7cf14e67ef9a4a61da

SHA1
b90d117f4f9b16c20986b7d651717af3095ae78f

SHA256
33651ff23b92b26771f81d705ec475b644621214550d6196acb668f769f2f3d0

SHA512
d944d4aee9723d6d2e9fe0e0dfae261613cecd3b86bb6b317534afee8638586935caa49f20be6f9a57ae78a5c1a2a9e79f0a05aa8a25a9f8e5c61314ff628538

Download Submit
memory/2064-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3424-93-0x0000000008520000-0x000000000866C000-memory.dmp

Filesize
1.3MB

Download
memory/4196-8-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4196-6-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/4196-7-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/4196-5-0x00000000053D0000-0x00000000053DA000-memory.dmp

Filesize
40KB

Download
memory/4196-9-0x00000000067F0000-0x000000000686A000-memory.dmp

Filesize
488KB

Download
memory/4196-10-0x0000000006620000-0x00000000066BC000-memory.dmp

Filesize
624KB

Download
memory/4196-4-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4196-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/4196-3-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/4196-48-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4196-2-0x00000000058D0000-0x0000000005E74000-memory.dmp

Filesize
5.6MB

Download
memory/4196-1-0x0000000000940000-0x00000000009E0000-memory.dmp

Filesize
640KB

Download
memory/4716-16-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4716-80-0x0000000007280000-0x0000000007294000-memory.dmp

Filesize
80KB

Download
memory/4716-24-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/4716-23-0x0000000004D10000-0x0000000004D76000-memory.dmp

Filesize
408KB

Download
memory/4716-15-0x0000000002410000-0x0000000002446000-memory.dmp

Filesize
216KB

Download
memory/4716-26-0x00000000056D0000-0x0000000005A24000-memory.dmp

Filesize
3.3MB

Download
memory/4716-86-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4716-17-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4716-18-0x0000000004F60000-0x0000000005588000-memory.dmp

Filesize
6.2MB

Download
memory/4716-49-0x0000000005D00000-0x0000000005D1E000-memory.dmp

Filesize
120KB

Download
memory/4716-50-0x00000000062A0000-0x00000000062EC000-memory.dmp

Filesize
304KB

Download
memory/4716-63-0x0000000075030000-0x000000007507C000-memory.dmp

Filesize
304KB

Download
memory/4716-81-0x0000000007380000-0x000000000739A000-memory.dmp

Filesize
104KB

Download
memory/4716-73-0x0000000006D40000-0x0000000006DE3000-memory.dmp

Filesize
652KB

Download
memory/4716-22-0x0000000004C70000-0x0000000004C92000-memory.dmp

Filesize
136KB

Download
memory/4716-79-0x0000000007270000-0x000000000727E000-memory.dmp

Filesize
56KB

Download
memory/4768-82-0x0000000007580000-0x0000000007588000-memory.dmp

Filesize
32KB

Download
memory/4768-19-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-76-0x00000000072D0000-0x00000000072DA000-memory.dmp

Filesize
40KB

Download
memory/4768-77-0x00000000074E0000-0x0000000007576000-memory.dmp

Filesize
600KB

Download
memory/4768-78-0x0000000007460000-0x0000000007471000-memory.dmp

Filesize
68KB

Download
memory/4768-51-0x0000000006F50000-0x0000000006F82000-memory.dmp

Filesize
200KB

Download
memory/4768-74-0x00000000078C0000-0x0000000007F3A000-memory.dmp

Filesize
6.5MB

Download
memory/4768-52-0x0000000075030000-0x000000007507C000-memory.dmp

Filesize
304KB

Download
memory/4768-75-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/4768-62-0x0000000006440000-0x000000000645E000-memory.dmp

Filesize
120KB

Download
memory/4768-87-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-20-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/4768-21-0x00000000747A0000-0x0000000074F50000-memory.dmp

Filesize
7.7MB

Download
memory/5592-88-0x0000000000E40000-0x0000000000E4E000-memory.dmp

Filesize
56KB

Download
memory/5592-90-0x00000000005A0000-0x00000000005CF000-memory.dmp

Filesize
188KB

Download
memory/5592-89-0x0000000000E40000-0x0000000000E4E000-memory.dmp

Filesize
56KB

Download