formbook | 06043959e79bbeccaa6370466d3b9745b684ddaede9d2b4e6b652c926fbebe74

Analysis

max time kernel
148s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2024 13:01

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General

Target

z67Transaction_Details_ReferenceID_pdf.exe
Size

1.0MB
MD5

adeb899bfc362576c6a3702263d34b6c
SHA1

8068f7de219bc6440861f40611566715d200e8e3
SHA256

06043959e79bbeccaa6370466d3b9745b684ddaede9d2b4e6b652c926fbebe74
SHA512

3a62c60ba24550bdb0aa2e9935dfc64aba0cdb5f99b400519b201783e5e10b37811ba125bf1c78df745bc824e79d4995efabb1c8ba9ffb69986d02f9c3e83ff0
SSDEEP

24576:ffmMv6Ckr7Mny5QL2MdSwBPPy/EZHg8kjMBb:f3v+7/5QL2MMwc8grjMBb

Score

10^/10

formbook f29s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f29s

Decoy

rostnixon.net

exxxwordz.xyz

ndradesanches.shop

eneral-vceef.xyz

isanbowl.top

aresrasherregard.cfd

dzas-yeah.xyz

0083.miami

hongziyin01.top

jdhfmq.live

alembottling.net

vtyo-phone.xyz

kaqb-decade.xyz

odel-lsmfz.xyz

aradise.tech

uan123-rtp43.xyz

pusptracking.xyz

uqhi42.xyz

mihy-professor.xyz

mnz-your.xyz

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/5068-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5068-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5068-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/400-16-0x0000000001210000-0x000000000123F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4212-2-0x0000000004000000-0x0000000004200000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4212 set thread context of 5068	4212	z67Transaction_Details_ReferenceID_pdf.exe	87
PID 5068 set thread context of 3504	5068	svchost.exe	56
PID 5068 set thread context of 3504	5068	svchost.exe	56
PID 400 set thread context of 3504	400	cscript.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 3 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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z67Transaction_Details_ReferenceID_pdf.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-1-5-21-3756129449-3121373848-4276368241-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe
400	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4212	z67Transaction_Details_ReferenceID_pdf.exe
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
5068	svchost.exe
400	cscript.exe
400	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5068	svchost.exe
Token: SeDebugPrivilege	400	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4212	z67Transaction_Details_ReferenceID_pdf.exe
4212	z67Transaction_Details_ReferenceID_pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4212	z67Transaction_Details_ReferenceID_pdf.exe
4212	z67Transaction_Details_ReferenceID_pdf.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 5068	4212	z67Transaction_Details_ReferenceID_pdf.exe	87
PID 4212 wrote to memory of 5068	4212	z67Transaction_Details_ReferenceID_pdf.exe	87
PID 4212 wrote to memory of 5068	4212	z67Transaction_Details_ReferenceID_pdf.exe	87
PID 4212 wrote to memory of 5068	4212	z67Transaction_Details_ReferenceID_pdf.exe	87
PID 3504 wrote to memory of 400	3504	Explorer.EXE	93
PID 3504 wrote to memory of 400	3504	Explorer.EXE	93
PID 3504 wrote to memory of 400	3504	Explorer.EXE	93
PID 400 wrote to memory of 4080	400	cscript.exe	96
PID 400 wrote to memory of 4080	400	cscript.exe	96
PID 400 wrote to memory of 4080	400	cscript.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\z67Transaction_Details_ReferenceID_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\z67Transaction_Details_ReferenceID_pdf.exe"
  2⤵
  - 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:4212
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\z67Transaction_Details_ReferenceID_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5068
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:400
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4080

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

Replay Monitor

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Downloads

memory/400-15-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download
memory/400-16-0x0000000001210000-0x000000000123F000-memory.dmp

Filesize
188KB

Download
memory/400-14-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download
memory/3504-23-0x00000000088F0000-0x00000000089F8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-22-0x00000000088F0000-0x00000000089F8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-20-0x00000000088F0000-0x00000000089F8000-memory.dmp

Filesize
1.0MB

Download
memory/3504-8-0x0000000008BB0000-0x0000000008D3E000-memory.dmp

Filesize
1.6MB

Download
memory/3504-12-0x0000000002D40000-0x0000000002E0F000-memory.dmp

Filesize
828KB

Download
memory/3504-17-0x0000000002D40000-0x0000000002E0F000-memory.dmp

Filesize
828KB

Download
memory/3504-13-0x0000000008BB0000-0x0000000008D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4212-2-0x0000000004000000-0x0000000004200000-memory.dmp

Filesize
2.0MB

Download
memory/5068-7-0x00000000017C0000-0x00000000017D4000-memory.dmp

Filesize
80KB

Download
memory/5068-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5068-11-0x00000000037A0000-0x00000000037B4000-memory.dmp

Filesize
80KB

Download
memory/5068-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5068-4-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/5068-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download