formbook | e6f1168bb91a3c14750cc211595b4139d2ee51d08f23264b27f96fa3bb2c0afc

General

Target

49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
Size

1.1MB
MD5

dd51ef4d9a4169038673c7f657f2f9c5
SHA1

f7d28cf5ad8a036ab851f4f836159235fd22b60c
SHA256

49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450
SHA512

827c4cb8eceaf42a18084741cc1f50dd593741c53015392863d5fc3dd3f301910bbf0a979909e36289b649b837aa35609994b3d21d40d2b58865ab8f7bc1c686
SSDEEP

24576:2qDEvCTbMWu7rQYlBQcBiT6rprG8aojxwBfcZW//g50hU:2TvC/MTQYxsWR7ao+v4mh

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2144-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2144-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2420-20-0x00000000000F0000-0x000000000011F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 304 set thread context of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 2144 set thread context of 1248	2144	svchost.exe	21
PID 2420 set thread context of 1248	2420	wuapp.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	304	WerFault.exe	29

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	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wuapp.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2144	svchost.exe
2144	svchost.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe
2420	wuapp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
2144	svchost.exe
2144	svchost.exe
2144	svchost.exe
2420	wuapp.exe
2420	wuapp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	svchost.exe
Token: SeShutdownPrivilege	1248	Explorer.EXE
Token: SeDebugPrivilege	2420	wuapp.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 304 wrote to memory of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 304 wrote to memory of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 304 wrote to memory of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 304 wrote to memory of 2144	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	30
PID 304 wrote to memory of 2100	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	31
PID 304 wrote to memory of 2100	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	31
PID 304 wrote to memory of 2100	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	31
PID 304 wrote to memory of 2100	304	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	31
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 1248 wrote to memory of 2420	1248	Explorer.EXE	32
PID 2420 wrote to memory of 2804	2420	wuapp.exe	34
PID 2420 wrote to memory of 2804	2420	wuapp.exe	34
PID 2420 wrote to memory of 2804	2420	wuapp.exe	34
PID 2420 wrote to memory of 2804	2420	wuapp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
  "C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.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:304
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2144
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 304 -s 312
    3⤵
    - Program crash
    PID:2100
- C:\Windows\SysWOW64\wuapp.exe
  "C:\Windows\SysWOW64\wuapp.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:2420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/304-11-0x0000000000120000-0x0000000000124000-memory.dmp

Filesize
16KB

Download
memory/1248-21-0x0000000004E90000-0x0000000004F80000-memory.dmp

Filesize
960KB

Download
memory/1248-17-0x0000000004E90000-0x0000000004F80000-memory.dmp

Filesize
960KB

Download
memory/1248-23-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1248-26-0x0000000005080000-0x000000000516B000-memory.dmp

Filesize
940KB

Download
memory/1248-27-0x0000000005080000-0x000000000516B000-memory.dmp

Filesize
940KB

Download
memory/1248-29-0x0000000005080000-0x000000000516B000-memory.dmp

Filesize
940KB

Download
memory/2144-13-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/2144-16-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2144-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2144-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2420-19-0x0000000000260000-0x000000000026B000-memory.dmp

Filesize
44KB

Download
memory/2420-18-0x0000000000260000-0x000000000026B000-memory.dmp

Filesize
44KB

Download
memory/2420-20-0x00000000000F0000-0x000000000011F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing