formbook | 8b73f69b0b30a7e39b8b377cf2e11174f8a51a7d687f4661e9cd3af9f54d0991

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 13:05

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General

Target

zSaBQa7CUnpGLHS.exe
Size

777KB
MD5

a5669db61177ca1feecf910d876cb2e1
SHA1

929046215d3fa65992db255dca3885ba9a6d7cc7
SHA256

8f7124624844c97145faad6f265f2a15b5f1fa67f107168b61fd777d987d9f35
SHA512

0ee38f1260ad234919ce1195ec495f2eb60e2b7063dffa83fa074b4eeaa386a405705ec9a7ac0c388a62cf0a8722e386b09d11e3b1bf936884888580c9cba469
SSDEEP

24576:DEhugrVbCx3YNCgUTMw3NvklTPG06EPpXRaI/u9q9dUwZm:NglCyCgUMwhkNPUEP7aZ9hk

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

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/1688-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1688-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1004-72-0x0000000000AF0000-0x0000000000B1F000-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

pid	Process
2768	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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	zSaBQa7CUnpGLHS.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4604 set thread context of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 1688 set thread context of 3420	1688	zSaBQa7CUnpGLHS.exe	56
PID 1004 set thread context of 3420	1004	help.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zSaBQa7CUnpGLHS.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 58 IoCs

pid	Process
1688	zSaBQa7CUnpGLHS.exe
1688	zSaBQa7CUnpGLHS.exe
1688	zSaBQa7CUnpGLHS.exe
1688	zSaBQa7CUnpGLHS.exe
2768	powershell.exe
2768	powershell.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe
1004	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1688	zSaBQa7CUnpGLHS.exe
1688	zSaBQa7CUnpGLHS.exe
1688	zSaBQa7CUnpGLHS.exe
1004	help.exe
1004	help.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1688	zSaBQa7CUnpGLHS.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	1004	help.exe
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3420	Explorer.EXE
3420	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3420	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 2768	4604	zSaBQa7CUnpGLHS.exe	86
PID 4604 wrote to memory of 2768	4604	zSaBQa7CUnpGLHS.exe	86
PID 4604 wrote to memory of 2768	4604	zSaBQa7CUnpGLHS.exe	86
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 4604 wrote to memory of 1688	4604	zSaBQa7CUnpGLHS.exe	88
PID 3420 wrote to memory of 1004	3420	Explorer.EXE	89
PID 3420 wrote to memory of 1004	3420	Explorer.EXE	89
PID 3420 wrote to memory of 1004	3420	Explorer.EXE	89
PID 1004 wrote to memory of 1828	1004	help.exe	90
PID 1004 wrote to memory of 1828	1004	help.exe	90
PID 1004 wrote to memory of 1828	1004	help.exe	90

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:3420
- C:\Users\Admin\AppData\Local\Temp\zSaBQa7CUnpGLHS.exe
  "C:\Users\Admin\AppData\Local\Temp\zSaBQa7CUnpGLHS.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4604
- - 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\zSaBQa7CUnpGLHS.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2768
- - C:\Users\Admin\AppData\Local\Temp\zSaBQa7CUnpGLHS.exe
    "C:\Users\Admin\AppData\Local\Temp\zSaBQa7CUnpGLHS.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1688
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:1004
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\zSaBQa7CUnpGLHS.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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_cxcbzg25.ewk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1004-72-0x0000000000AF0000-0x0000000000B1F000-memory.dmp

Filesize
188KB

Download
memory/1004-63-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/1004-64-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/1688-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1688-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1688-22-0x00000000018A0000-0x00000000018B4000-memory.dmp

Filesize
80KB

Download
memory/1688-16-0x0000000001AA0000-0x0000000001DEA000-memory.dmp

Filesize
3.3MB

Download
memory/2768-36-0x0000000005A40000-0x0000000005D94000-memory.dmp

Filesize
3.3MB

Download
memory/2768-51-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-70-0x00000000003E0000-0x000000000044D000-memory.dmp

Filesize
436KB

Download
memory/2768-67-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-66-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-65-0x00000000076B0000-0x00000000076B8000-memory.dmp

Filesize
32KB

Download
memory/2768-15-0x0000000002740000-0x0000000002776000-memory.dmp

Filesize
216KB

Download
memory/2768-14-0x00000000003E0000-0x000000000044D000-memory.dmp

Filesize
436KB

Download
memory/2768-20-0x0000000005290000-0x00000000058B8000-memory.dmp

Filesize
6.2MB

Download
memory/2768-62-0x00000000076D0000-0x00000000076EA000-memory.dmp

Filesize
104KB

Download
memory/2768-61-0x00000000075D0000-0x00000000075E4000-memory.dmp

Filesize
80KB

Download
memory/2768-60-0x00000000075C0000-0x00000000075CE000-memory.dmp

Filesize
56KB

Download
memory/2768-18-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-17-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-24-0x00000000050A0000-0x00000000050C2000-memory.dmp

Filesize
136KB

Download
memory/2768-25-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/2768-26-0x00000000051B0000-0x0000000005216000-memory.dmp

Filesize
408KB

Download
memory/2768-59-0x0000000007590000-0x00000000075A1000-memory.dmp

Filesize
68KB

Download
memory/2768-58-0x0000000007610000-0x00000000076A6000-memory.dmp

Filesize
600KB

Download
memory/2768-37-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/2768-38-0x00000000060A0000-0x00000000060EC000-memory.dmp

Filesize
304KB

Download
memory/2768-39-0x000000007F290000-0x000000007F2A0000-memory.dmp

Filesize
64KB

Download
memory/2768-40-0x0000000007050000-0x0000000007082000-memory.dmp

Filesize
200KB

Download
memory/2768-57-0x0000000007400000-0x000000000740A000-memory.dmp

Filesize
40KB

Download
memory/2768-41-0x0000000070D30000-0x0000000070D7C000-memory.dmp

Filesize
304KB

Download
memory/2768-52-0x0000000002850000-0x0000000002860000-memory.dmp

Filesize
64KB

Download
memory/2768-53-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/2768-54-0x0000000007290000-0x0000000007333000-memory.dmp

Filesize
652KB

Download
memory/2768-55-0x00000000079E0000-0x000000000805A000-memory.dmp

Filesize
6.5MB

Download
memory/2768-56-0x0000000007390000-0x00000000073AA000-memory.dmp

Filesize
104KB

Download
memory/3420-23-0x0000000007BD0000-0x0000000007D70000-memory.dmp

Filesize
1.6MB

Download
memory/3420-76-0x0000000002570000-0x0000000002628000-memory.dmp

Filesize
736KB

Download
memory/3420-71-0x0000000007BD0000-0x0000000007D70000-memory.dmp

Filesize
1.6MB

Download
memory/4604-7-0x0000000005230000-0x0000000005242000-memory.dmp

Filesize
72KB

Download
memory/4604-6-0x00000000052F0000-0x000000000538C000-memory.dmp

Filesize
624KB

Download
memory/4604-5-0x0000000005030000-0x000000000503A000-memory.dmp

Filesize
40KB

Download
memory/4604-9-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4604-13-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4604-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4604-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4604-8-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download
memory/4604-10-0x0000000006620000-0x00000000066A8000-memory.dmp

Filesize
544KB

Download
memory/4604-4-0x0000000074E90000-0x0000000075640000-memory.dmp

Filesize
7.7MB

Download
memory/4604-1-0x0000000000550000-0x0000000000618000-memory.dmp

Filesize
800KB

Download
memory/4604-0-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

Filesize
4KB

Download