formbook | 5de4571c3dcab2def30cc4a94353dc9c58dd2af57be56d32b087989c663604c0

Analysis

max time kernel
148s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 00:31

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General

Target

Invoice, Parking List.exe
Size

737KB
MD5

fe653d60442a24191e27c076014320e6
SHA1

80079ce48688442186d910c921aef71a407f6b4f
SHA256

86f8d817d26e2a9566ac4500033855f9b17e50ad4276b9d488acbc53894edd91
SHA512

62d6960bc2cc4a5f581315904a9ef2492b05ff7b13545e9ad747a224b76f56f84a331da830cab3f725eb1e6bbcef4e5082743a77d277447bffc09e4868b4ff00
SSDEEP

12288:v6Wq4aaE6KwyF5L0Y2D1PqLF6iMfh1hB7BCOLPPnH+ojoAXM8fFyG87xO7S:tthEVaPqLF6iMJ1hDeopMHGSIS

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/4580-4-0x0000000000600000-0x000000000062F000-memory.dmp	formbook
behavioral2/memory/4580-10-0x0000000000600000-0x000000000062F000-memory.dmp	formbook
behavioral2/memory/4580-14-0x0000000000600000-0x000000000062F000-memory.dmp	formbook
behavioral2/memory/4460-21-0x0000000000E00000-0x0000000000E2F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2044-8-0x0000000000400000-0x00000000004C2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2044 set thread context of 4580	2044	Invoice, Parking List.exe	84
PID 4580 set thread context of 3400	4580	svchost.exe	55
PID 4580 set thread context of 3400	4580	svchost.exe	55
PID 4460 set thread context of 3400	4460	mstsc.exe	55

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2044-0-0x0000000000400000-0x00000000004C2000-memory.dmp	upx
behavioral2/memory/2044-8-0x0000000000400000-0x00000000004C2000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice, Parking List.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe
4460	mstsc.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4580	svchost.exe
4460	mstsc.exe
4460	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4580	svchost.exe
Token: SeDebugPrivilege	4460	mstsc.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe
2044	Invoice, Parking List.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 4580	2044	Invoice, Parking List.exe	84
PID 2044 wrote to memory of 4580	2044	Invoice, Parking List.exe	84
PID 2044 wrote to memory of 4580	2044	Invoice, Parking List.exe	84
PID 2044 wrote to memory of 4580	2044	Invoice, Parking List.exe	84
PID 3400 wrote to memory of 4460	3400	Explorer.EXE	89
PID 3400 wrote to memory of 4460	3400	Explorer.EXE	89
PID 3400 wrote to memory of 4460	3400	Explorer.EXE	89
PID 4460 wrote to memory of 1948	4460	mstsc.exe	91
PID 4460 wrote to memory of 1948	4460	mstsc.exe	91
PID 4460 wrote to memory of 1948	4460	mstsc.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\Invoice, Parking List.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice, Parking List.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:2044
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice, Parking List.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4580
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:4460
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1948

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/2044-3-0x0000000004460000-0x0000000004860000-memory.dmp

Filesize
4.0MB

Download
memory/2044-8-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2044-0-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/3400-17-0x000000000B130000-0x000000000B255000-memory.dmp

Filesize
1.1MB

Download
memory/3400-28-0x0000000008850000-0x0000000008950000-memory.dmp

Filesize
1024KB

Download
memory/3400-26-0x0000000008850000-0x0000000008950000-memory.dmp

Filesize
1024KB

Download
memory/3400-25-0x0000000008850000-0x0000000008950000-memory.dmp

Filesize
1024KB

Download
memory/3400-22-0x00000000078E0000-0x0000000007997000-memory.dmp

Filesize
732KB

Download
memory/3400-12-0x000000000B130000-0x000000000B255000-memory.dmp

Filesize
1.1MB

Download
memory/3400-16-0x00000000078E0000-0x0000000007997000-memory.dmp

Filesize
732KB

Download
memory/4460-18-0x0000000000640000-0x000000000077A000-memory.dmp

Filesize
1.2MB

Download
memory/4460-20-0x0000000000640000-0x000000000077A000-memory.dmp

Filesize
1.2MB

Download
memory/4460-21-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/4580-14-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/4580-15-0x0000000000BC0000-0x0000000000BD4000-memory.dmp

Filesize
80KB

Download
memory/4580-10-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/4580-11-0x0000000000B60000-0x0000000000B74000-memory.dmp

Filesize
80KB

Download
memory/4580-9-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/4580-4-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download