formbook | acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2025 10:41

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General

Target

Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe
Size

686KB
MD5

3ce1a7e44b4edafafc9e2ac8b3ab3295
SHA1

f35ea88bdd6cc369a640263690855116adeb3f01
SHA256

acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65
SHA512

319baa767941b2dd181062b89555e10ebbd30e47fa83683db306baafe5edbb6dae8216bd3f57291733a618da724a5b8005d24b02f0d525d4505694704d9593fa
SSDEEP

12288:hRNk5ea1sMXs8c/jH2MgIQFdSlabXulG1rdtf+nyzu3zE/FC/h2pHcQ/Q:h45D5cb2MEFdSDGRDpzszEw

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3164-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3164-92-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2884-94-0x0000000000360000-0x000000000038F000-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
2848	powershell.exe
776	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-1-5-21-805940606-1861219160-370298170-1000\Control Panel\International\Geo\Nation	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3968 set thread context of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3164 set thread context of 3492	3164	RegSvcs.exe	56
PID 3164 set thread context of 3492	3164	RegSvcs.exe	56
PID 2884 set thread context of 3492	2884	NETSTAT.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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2884	NETSTAT.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
3104	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe
2848	powershell.exe
776	powershell.exe
3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
776	powershell.exe
2848	powershell.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE
2884	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3164	RegSvcs.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
3164	RegSvcs.exe
2884	NETSTAT.EXE
2884	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	776	powershell.exe
Token: SeDebugPrivilege	3164	RegSvcs.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE
Token: SeDebugPrivilege	2884	NETSTAT.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3492	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 2848	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	86
PID 3968 wrote to memory of 2848	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	86
PID 3968 wrote to memory of 2848	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	86
PID 3968 wrote to memory of 776	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	88
PID 3968 wrote to memory of 776	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	88
PID 3968 wrote to memory of 776	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	88
PID 3968 wrote to memory of 3104	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	90
PID 3968 wrote to memory of 3104	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	90
PID 3968 wrote to memory of 3104	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	90
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3968 wrote to memory of 3164	3968	Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe	92
PID 3492 wrote to memory of 2884	3492	Explorer.EXE	94
PID 3492 wrote to memory of 2884	3492	Explorer.EXE	94
PID 3492 wrote to memory of 2884	3492	Explorer.EXE	94
PID 2884 wrote to memory of 2344	2884	NETSTAT.EXE	95
PID 2884 wrote to memory of 2344	2884	NETSTAT.EXE	95
PID 2884 wrote to memory of 2344	2884	NETSTAT.EXE	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Users\Admin\AppData\Local\Temp\Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe
  "C:\Users\Admin\AppData\Local\Temp\Sigmanly_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.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:3968
- - 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_acdcfb74712f171a6527ea14112eeb4bd482b7ae74f4e2990a946c8ccea8ad65.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TQjwUwdCH.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:776
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TQjwUwdCH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB44C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3104
- - 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:3164
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2212
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2884
- - 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:2344

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
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
ccc64198f292548d0f85a8a379976450

SHA1
958f7a0dafadcb077752f3216b90b655c6f9ce6c

SHA256
ea6e547b17bdb736bf56bde346a81c9b869b679c322b712d359a826a28ea8ffd

SHA512
377091a101cbc0ad30f158b5399f61980ca9e7b86ecb1cfd19f6abe89fb70ab8422b565a7dd9883a96452b834cc184e4bcda955c7e6d59895268851ddf982b7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nuv02ebc.l3u.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB44C.tmp

Filesize
1KB

MD5
1d6d81c55498d1d5deaaa220908ffd45

SHA1
1b3755898d2929017519003c1bac3d3c240e68ef

SHA256
e3623f0d0fab831c043630177ae4c6a15285fa1645394671679c76581279123b

SHA512
2245c1029c6c956772447e50e860a8750cfdfafb1e72865d125f0d2568c1ce846a8e98c80a0e845e295dcc8fbb9b0e7b3c62d953d043084e85b870713f11c841

Download Submit
memory/776-64-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/776-76-0x0000000008080000-0x00000000086FA000-memory.dmp

Filesize
6.5MB

Download
memory/776-78-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/776-52-0x0000000006730000-0x000000000677C000-memory.dmp

Filesize
304KB

Download
memory/776-51-0x00000000066F0000-0x000000000670E000-memory.dmp

Filesize
120KB

Download
memory/776-47-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/776-46-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/776-39-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/776-91-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-17-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-82-0x0000000006FF0000-0x0000000007004000-memory.dmp

Filesize
80KB

Download
memory/2848-19-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-20-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-28-0x0000000005440000-0x00000000054A6000-memory.dmp

Filesize
408KB

Download
memory/2848-87-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/2848-27-0x00000000052E0000-0x0000000005346000-memory.dmp

Filesize
408KB

Download
memory/2848-16-0x0000000002170000-0x00000000021A6000-memory.dmp

Filesize
216KB

Download
memory/2848-84-0x00000000070D0000-0x00000000070D8000-memory.dmp

Filesize
32KB

Download
memory/2848-83-0x00000000070F0000-0x000000000710A000-memory.dmp

Filesize
104KB

Download
memory/2848-44-0x00000000055F0000-0x0000000005944000-memory.dmp

Filesize
3.3MB

Download
memory/2848-21-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

Filesize
136KB

Download
memory/2848-18-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/2848-81-0x0000000006FE0000-0x0000000006FEE000-memory.dmp

Filesize
56KB

Download
memory/2848-80-0x0000000006FB0000-0x0000000006FC1000-memory.dmp

Filesize
68KB

Download
memory/2848-79-0x0000000007030000-0x00000000070C6000-memory.dmp

Filesize
600KB

Download
memory/2848-77-0x0000000006DB0000-0x0000000006DCA000-memory.dmp

Filesize
104KB

Download
memory/2848-54-0x0000000075AC0000-0x0000000075B0C000-memory.dmp

Filesize
304KB

Download
memory/2848-53-0x0000000006A20000-0x0000000006A52000-memory.dmp

Filesize
200KB

Download
memory/2848-75-0x0000000006C80000-0x0000000006D23000-memory.dmp

Filesize
652KB

Download
memory/2848-73-0x0000000006C60000-0x0000000006C7E000-memory.dmp

Filesize
120KB

Download
memory/2884-94-0x0000000000360000-0x000000000038F000-memory.dmp

Filesize
188KB

Download
memory/2884-93-0x0000000000AE0000-0x0000000000AEB000-memory.dmp

Filesize
44KB

Download
memory/3164-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3164-92-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3492-97-0x0000000008C50000-0x0000000008D3A000-memory.dmp

Filesize
936KB

Download
memory/3968-8-0x0000000006640000-0x000000000665E000-memory.dmp

Filesize
120KB

Download
memory/3968-9-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/3968-10-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-50-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-11-0x0000000004D10000-0x0000000004D88000-memory.dmp

Filesize
480KB

Download
memory/3968-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/3968-3-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download
memory/3968-2-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/3968-1-0x0000000000800000-0x00000000008B2000-memory.dmp

Filesize
712KB

Download
memory/3968-6-0x0000000005530000-0x00000000055CC000-memory.dmp

Filesize
624KB

Download
memory/3968-4-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3968-7-0x00000000069D0000-0x0000000006A72000-memory.dmp

Filesize
648KB

Download
memory/3968-5-0x00000000052A0000-0x00000000052AA000-memory.dmp

Filesize
40KB

Download