formbook | fee8e65741a4299887066d76517461bf40fa2941f2c5dac6cc3cb49b913a53ac

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 02:16

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General

Target

e-Invoice.exe
Size

764KB
MD5

c29c35fdd0cb6fb2a67ebe5e66d031bf
SHA1

8069a08c89042bf1bff896e9d8a68f05db5af316
SHA256

7d99c8ec073617681fc7dca3714bce08da1e6a9920aa39b57af734238d5d685f
SHA512

f6dd09aae40a4aa6291d0d384f5b5d4fe94770df93585b235fed994f2dbbeb214550b0a3c55bb479f4c5b316520748d2ccec01b1b85e965fb0c51948d7a229b1
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLXkK+rLst81zQw+h5GATMnNTXXe53V:tthEVaPqL059QhtTMNTXel

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/892-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/892-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/676-17-0x0000000000620000-0x000000000064F000-memory.dmp	formbook
behavioral2/memory/676-19-0x0000000000620000-0x000000000064F000-memory.dmp	formbook

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/4544-6-0x0000000000400000-0x00000000004C2000-memory.dmp	upx

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4544-6-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4544 set thread context of 892	4544	e-Invoice.exe	86
PID 892 set thread context of 3460	892	svchost.exe	56
PID 676 set thread context of 3460	676	msiexec.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	e-Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
892	svchost.exe
892	svchost.exe
892	svchost.exe
892	svchost.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe
676	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4544	e-Invoice.exe
892	svchost.exe
892	svchost.exe
892	svchost.exe
676	msiexec.exe
676	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	892	svchost.exe
Token: SeDebugPrivilege	676	msiexec.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe
4544	e-Invoice.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 892	4544	e-Invoice.exe	86
PID 4544 wrote to memory of 892	4544	e-Invoice.exe	86
PID 4544 wrote to memory of 892	4544	e-Invoice.exe	86
PID 4544 wrote to memory of 892	4544	e-Invoice.exe	86
PID 3460 wrote to memory of 676	3460	Explorer.EXE	87
PID 3460 wrote to memory of 676	3460	Explorer.EXE	87
PID 3460 wrote to memory of 676	3460	Explorer.EXE	87
PID 676 wrote to memory of 1720	676	msiexec.exe	89
PID 676 wrote to memory of 1720	676	msiexec.exe	89
PID 676 wrote to memory of 1720	676	msiexec.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\e-Invoice.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:4544
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:892
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:676
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1720

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/676-18-0x0000000002550000-0x000000000289A000-memory.dmp

Filesize
3.3MB

Download
memory/676-17-0x0000000000620000-0x000000000064F000-memory.dmp

Filesize
188KB

Download
memory/676-12-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

Filesize
72KB

Download
memory/676-16-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

Filesize
72KB

Download
memory/676-22-0x00000000023B0000-0x0000000002443000-memory.dmp

Filesize
588KB

Download
memory/676-19-0x0000000000620000-0x000000000064F000-memory.dmp

Filesize
188KB

Download
memory/676-14-0x0000000000DB0000-0x0000000000DC2000-memory.dmp

Filesize
72KB

Download
memory/892-10-0x0000000001DF0000-0x0000000001E04000-memory.dmp

Filesize
80KB

Download
memory/892-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/892-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/892-7-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/3460-28-0x0000000009040000-0x0000000009172000-memory.dmp

Filesize
1.2MB

Download
memory/3460-11-0x0000000003200000-0x0000000003374000-memory.dmp

Filesize
1.5MB

Download
memory/3460-20-0x0000000003200000-0x0000000003374000-memory.dmp

Filesize
1.5MB

Download
memory/3460-25-0x0000000009040000-0x0000000009172000-memory.dmp

Filesize
1.2MB

Download
memory/3460-26-0x0000000009040000-0x0000000009172000-memory.dmp

Filesize
1.2MB

Download
memory/4544-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4544-3-0x0000000004440000-0x0000000004840000-memory.dmp

Filesize
4.0MB

Download
memory/4544-6-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download