formbook | ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24/10/2024, 17:53

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General

Target
RFQ 242024.exe
Size 1.1MB
Sample241024-wgcvmsvana
SHA256 ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637
MD5 5fa5f00b74bf9bb524687e6785027135
SHA1 4f41d3eddbf7844cc60f561c6fd92c44f7f4f282
SHA512 5bbd12cb28e0255a6773e11c2c096a94ec018228dd8dfae107efdd4bb193808463849872175f9798de27705fa5f9b5232bc10ef18c726ebee3c222aa3b2b3f9f
SSDEEP 24576:WfmMv6Ckr7Mny5QtEc7e74/SPFjc2+ZWKrs3bC+:W3v+7/5Qtl7k4/S1tGJaC+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook cu29 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

cu29

Decoy

qidr.shop
usinessaviationconsulting.net
68716329.xyz
nd-los.net
ealthironcladguarantee.shop
oftware-download-69354.bond
48372305.top
omeownershub.top
mall-chilli.top
ajakgoid.online
ire-changer-53482.bond
rugsrx.shop
oyang123.info
azino-forum-pro.online
817715.rest
layman.vip
eb777.club
ovatonica.net
urgaslotvip.website
inn-paaaa.buzz
reativedreams.design
upremehomes.shop
ames-saaab.buzz
phonelock.xyz
ideandseekvacations.xyz
77179ksuhr.top
ental-bridges-87553.bond
7win2.bet
ainan.company
5mwhs.top
hopp9.top
65fhgejd3.xyz
olandopaintingllc.online
n-wee.buzz
reshcasinoinfo2.top
5734.party
qtbyj.live
gil.lat
siabgc4d.online
fios.top
sed-cars-89003.bond
nlineschools-2507-001-sap.click
upiloffatemotors.online
ordf.top
achhonglan.shop
irex.info
oursmile.vip
leachlondonstore.online
asukacro.online
panish-classes-64045.bond
apita.top
srtio.xyz
kdsclci.bond
ochacha.sbs
oldsteps.buzz
yzq0n.top
npostl.xyz
ladder-cancer-symptoms-mine.sbs
400725iimfyuj120.top
3589.photo
rasilhojenoticias.online
ependableequipment.online
itusbandar126.info
ohns.app
f6b-crxy.top

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4868-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4868-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3624-21-0x0000000000B80000-0x0000000000BAF000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tabulations.vbs	tabulations.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	tabulations.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1932-2-0x0000000004300000-0x0000000004700000-memory.dmp	autoit_exe
behavioral2/files/0x0007000000023c9f-5.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4976 set thread context of 4868	4976	tabulations.exe	88
PID 4868 set thread context of 3488	4868	svchost.exe	56
PID 3624 set thread context of 3488	3624	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 4 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	RFQ 242024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tabulations.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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4868	svchost.exe
4868	svchost.exe
4868	svchost.exe
4868	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe
3624	svchost.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4976	tabulations.exe
4868	svchost.exe
4868	svchost.exe
4868	svchost.exe
3624	svchost.exe
3624	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4868	svchost.exe
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeDebugPrivilege	3624	svchost.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
1932	RFQ 242024.exe
1932	RFQ 242024.exe
4976	tabulations.exe
4976	tabulations.exe
3488	Explorer.EXE
3488	Explorer.EXE
3488	Explorer.EXE
3488	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1932	RFQ 242024.exe
1932	RFQ 242024.exe
4976	tabulations.exe
4976	tabulations.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3488	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 4976	1932	RFQ 242024.exe	87
PID 1932 wrote to memory of 4976	1932	RFQ 242024.exe	87
PID 1932 wrote to memory of 4976	1932	RFQ 242024.exe	87
PID 4976 wrote to memory of 4868	4976	tabulations.exe	88
PID 4976 wrote to memory of 4868	4976	tabulations.exe	88
PID 4976 wrote to memory of 4868	4976	tabulations.exe	88
PID 4976 wrote to memory of 4868	4976	tabulations.exe	88
PID 3488 wrote to memory of 3624	3488	Explorer.EXE	89
PID 3488 wrote to memory of 3624	3488	Explorer.EXE	89
PID 3488 wrote to memory of 3624	3488	Explorer.EXE	89
PID 3624 wrote to memory of 3168	3624	svchost.exe	96
PID 3624 wrote to memory of 3168	3624	svchost.exe	96
PID 3624 wrote to memory of 3168	3624	svchost.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Users\Admin\AppData\Local\piceous\tabulations.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:4976
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ 242024.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:4868
- 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:3624
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

unjust

Path C:\Users\Admin\AppData\Local\Temp\unjust
Size 185KB
SHA256 206421231e2ee06fc5ebd393133c37834a7b10060ce91d36a113ee743aefddab
MD5 0316aae23befc14c7a1f115952fb1614
SHA1 c10884eb21106eec081cc3d29f9bd05c8389b5d2
SHA512 cc72a227e1261ac07260ab271f787b5168a58e72f2acac5e9275caea5dc0248112a084419ccf59eb3197a76891c78b52cce2b7b152a4e46a88a751bf1ef9bf4e
SSDEEP 3072:ZDKtqSZSAmD3xSvl9G3zLWKwZy6A65tjNeXW2L5oWMqOcwV2J/i8dnXfW7:ZWoSszEjIfWKwZhAljqDH2dvW7
MD5 SHA1 SHA512 SSDEEP

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tabulations.exe

Path C:\Users\Admin\AppData\Local\piceous\tabulations.exe
Size 1.1MB
SHA256 ff410475bb80926bc3933e68f5e84a7185292bb2b78294abe528cb647c78f637
MD5 5fa5f00b74bf9bb524687e6785027135
SHA1 4f41d3eddbf7844cc60f561c6fd92c44f7f4f282
SHA512 5bbd12cb28e0255a6773e11c2c096a94ec018228dd8dfae107efdd4bb193808463849872175f9798de27705fa5f9b5232bc10ef18c726ebee3c222aa3b2b3f9f
SSDEEP 24576:WfmMv6Ckr7Mny5QtEc7e74/SPFjc2+ZWKrs3bC+:W3v+7/5Qtl7k4/S1tGJaC+
MD5 SHA1 SHA512 SSDEEP

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memory/1932-2-0x0000000004300000-0x0000000004700000-memory.dmp

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memory/3488-29-0x0000000008EA0000-0x0000000008FA9000-memory.dmp

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memory/3488-27-0x0000000008EA0000-0x0000000008FA9000-memory.dmp

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memory/3488-17-0x0000000007380000-0x0000000007437000-memory.dmp

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memory/3488-26-0x0000000008EA0000-0x0000000008FA9000-memory.dmp

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memory/3488-22-0x0000000007380000-0x0000000007437000-memory.dmp

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memory/3624-21-0x0000000000B80000-0x0000000000BAF000-memory.dmp

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memory/3624-20-0x00000000005B0000-0x00000000005BE000-memory.dmp

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memory/3624-18-0x00000000005B0000-0x00000000005BE000-memory.dmp

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memory/4868-12-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4868-15-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4868-16-0x00000000005E0000-0x00000000005F5000-memory.dmp

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memory/4868-13-0x0000000001000000-0x000000000134A000-memory.dmp

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memory/4976-10-0x0000000003EA0000-0x00000000042A0000-memory.dmp

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