formbook | 04cc97f6c5e790280083938432502b46d3955489b710e6ba66ba2fb98b9e76db

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 13:22

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General

Target

M20240930086.exe
Size

745KB
MD5

edf9ed91bb3ab00545f77fab9407815e
SHA1

b31f2e4257be6051af137b5d71d08f7a2a84d671
SHA256

04cc97f6c5e790280083938432502b46d3955489b710e6ba66ba2fb98b9e76db
SHA512

e3d1c7fb0c9ac3e6f036d6e117a96336009c15053bcff9341cf22f6765c963f485ddf7e0ddea338e1a75789a12ac1af4f0f250714f72755a445bebb99e18c722
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLmvPw8NLDzsTSjO/ByTwxEGlk3vskgTCbM4Y:tthEVaPqLAPZNHYz6Glk3oCb+

Score

10^/10

formbook c89p discovery rat spyware stealer trojan upx

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c89p

Decoy

ftersaleb.top

dcustomdesgins.net

ostbet2024.live

rhgtrdjdjytkyhretrdjfytd.buzz

atauniversity.tech

idoctor365.net

x-design-courses-29670.bond

ellowold-pc.top

ransportationmmsytpro.top

areerfest.xyz

artiresbah-in.today

ijie.pro

torehousestudio.info

69-11-luxury-watches.shop

earing-tests-44243.bond

hits.shop

hzl9.bond

lood-test-jp-1.bond

livialiving.online

usymomsmakingmoney.online

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/3188-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3188-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3516-14-0x0000000000340000-0x000000000036F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2256-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2256 set thread context of 3188	2256	M20240930086.exe	87
PID 3188 set thread context of 3612	3188	svchost.exe	56
PID 3516 set thread context of 3612	3516	cmmon32.exe	56

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2256-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/2256-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

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	M20240930086.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.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-1-5-21-2629364133-3182087385-364449604-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3188	svchost.exe
3188	svchost.exe
3188	svchost.exe
3188	svchost.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe
3516	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2256	M20240930086.exe
3188	svchost.exe
3188	svchost.exe
3188	svchost.exe
3516	cmmon32.exe
3516	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3188	svchost.exe
Token: SeDebugPrivilege	3516	cmmon32.exe
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE
Token: SeShutdownPrivilege	3612	Explorer.EXE
Token: SeCreatePagefilePrivilege	3612	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2256	M20240930086.exe
2256	M20240930086.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2256	M20240930086.exe
2256	M20240930086.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3612	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 3188	2256	M20240930086.exe	87
PID 2256 wrote to memory of 3188	2256	M20240930086.exe	87
PID 2256 wrote to memory of 3188	2256	M20240930086.exe	87
PID 2256 wrote to memory of 3188	2256	M20240930086.exe	87
PID 3612 wrote to memory of 3516	3612	Explorer.EXE	88
PID 3612 wrote to memory of 3516	3612	Explorer.EXE	88
PID 3612 wrote to memory of 3516	3612	Explorer.EXE	88
PID 3516 wrote to memory of 3508	3516	cmmon32.exe	93
PID 3516 wrote to memory of 3508	3516	cmmon32.exe	93
PID 3516 wrote to memory of 3508	3516	cmmon32.exe	93

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:3612
- C:\Users\Admin\AppData\Local\Temp\M20240930086.exe
  "C:\Users\Admin\AppData\Local\Temp\M20240930086.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:2256
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\M20240930086.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3188
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:3516
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3508

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/2256-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2256-3-0x0000000004030000-0x0000000004230000-memory.dmp

Filesize
2.0MB

Download
memory/2256-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3188-10-0x0000000001660000-0x0000000001674000-memory.dmp

Filesize
80KB

Download
memory/3188-7-0x0000000001700000-0x0000000001A4A000-memory.dmp

Filesize
3.3MB

Download
memory/3188-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3188-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3516-13-0x0000000000EB0000-0x0000000000EBC000-memory.dmp

Filesize
48KB

Download
memory/3516-12-0x0000000000EB0000-0x0000000000EBC000-memory.dmp

Filesize
48KB

Download
memory/3516-14-0x0000000000340000-0x000000000036F000-memory.dmp

Filesize
188KB

Download
memory/3612-11-0x0000000008900000-0x0000000008A70000-memory.dmp

Filesize
1.4MB

Download
memory/3612-15-0x0000000008900000-0x0000000008A70000-memory.dmp

Filesize
1.4MB

Download
memory/3612-19-0x0000000007800000-0x00000000078CC000-memory.dmp

Filesize
816KB

Download
memory/3612-20-0x0000000007800000-0x00000000078CC000-memory.dmp

Filesize
816KB

Download
memory/3612-22-0x0000000007800000-0x00000000078CC000-memory.dmp

Filesize
816KB

Download