formbook | ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 12:08

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General

Target

Bill for the Month of August.exe
Size

1.1MB
MD5

5cbd8d9ed7f11fe6795e4e47cc23b390
SHA1

adb77874bd930fb48291c9822277640c5e0452a1
SHA256

ad796730fe76da567b892419b2cdba44eeaef29bf62b637c3c3af4cce42886ce
SHA512

9128e4ca530669884e7a6b148a1245183442ec59f1a4ffb152868298a2a14e99afd34ab887ec821fc5e343a74fbdcbbdb19f21b1109809a33f65ec73a8e43799
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHagYFIuXO+mzds6i05:gh+ZkldoPK8YagYRXye65

Score

10^/10

formbook pt46 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pt46

Decoy

twinportslocal.com

rovor.store

98169.club

mdywl.com

jrd3s.rest

aston1717.top

floridawoodworkingmachinery.com

17tk555t.com

ankitsho.shop

seclameh.com

realrecordlabel.com

trenchonbirmingham.com

af28.top

rtp1kenzototo.com

theselflovesite.com

promotegetpaid.info

strategiclogisticsagency.com

learneracademy.net

per-watch.com

betbox2341.com

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/3500-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3500-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3500-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4420-24-0x0000000001070000-0x000000000109F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3400 set thread context of 3500	3400	Bill for the Month of August.exe	86
PID 3500 set thread context of 3424	3500	svchost.exe	56
PID 3500 set thread context of 3424	3500	svchost.exe	56
PID 4420 set thread context of 3424	4420	systray.exe	56

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	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bill for the Month of August.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe
4420	systray.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3400	Bill for the Month of August.exe
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
3500	svchost.exe
4420	systray.exe
4420	systray.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3500	svchost.exe
Token: SeDebugPrivilege	4420	systray.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3400	Bill for the Month of August.exe
3400	Bill for the Month of August.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3400	Bill for the Month of August.exe
3400	Bill for the Month of August.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 3500	3400	Bill for the Month of August.exe	86
PID 3400 wrote to memory of 3500	3400	Bill for the Month of August.exe	86
PID 3400 wrote to memory of 3500	3400	Bill for the Month of August.exe	86
PID 3400 wrote to memory of 3500	3400	Bill for the Month of August.exe	86
PID 3424 wrote to memory of 4420	3424	Explorer.EXE	92
PID 3424 wrote to memory of 4420	3424	Explorer.EXE	92
PID 3424 wrote to memory of 4420	3424	Explorer.EXE	92
PID 4420 wrote to memory of 3644	4420	systray.exe	95
PID 4420 wrote to memory of 3644	4420	systray.exe	95
PID 4420 wrote to memory of 3644	4420	systray.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.exe
  "C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.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:3400
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Bill for the Month of August.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3500
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:4420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3644

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/3400-10-0x0000000001000000-0x0000000001004000-memory.dmp

Filesize
16KB

Download
memory/3424-31-0x00000000083F0000-0x0000000008553000-memory.dmp

Filesize
1.4MB

Download
memory/3424-30-0x00000000083F0000-0x0000000008553000-memory.dmp

Filesize
1.4MB

Download
memory/3424-28-0x00000000083F0000-0x0000000008553000-memory.dmp

Filesize
1.4MB

Download
memory/3424-25-0x00000000082F0000-0x00000000083EF000-memory.dmp

Filesize
1020KB

Download
memory/3424-16-0x0000000007D10000-0x0000000007DC6000-memory.dmp

Filesize
728KB

Download
memory/3424-20-0x00000000082F0000-0x00000000083EF000-memory.dmp

Filesize
1020KB

Download
memory/3424-21-0x0000000007D10000-0x0000000007DC6000-memory.dmp

Filesize
728KB

Download
memory/3500-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3500-19-0x0000000003240000-0x0000000003254000-memory.dmp

Filesize
80KB

Download
memory/3500-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3500-15-0x0000000001930000-0x0000000001944000-memory.dmp

Filesize
80KB

Download
memory/3500-12-0x0000000001500000-0x000000000184A000-memory.dmp

Filesize
3.3MB

Download
memory/3500-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4420-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/4420-22-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/4420-24-0x0000000001070000-0x000000000109F000-memory.dmp

Filesize
188KB

Download