formbook | 22ef42dc4a3a6dd23518bd34b44e53e11cb2c0ecd50a767e2a684b6cb0baf1e9

General

Target

Roominglists.exe
Size

749KB
MD5

b5f24a1fd71e559eaa19ebcd80a99d9e
SHA1

dd8b29c0134e7511aec9bef4b06fd67a3cb44153
SHA256

6ff6c5f89aa139e77c9aa300afcdf6d44b0271b6183fbbc53545ebd35cf0d300
SHA512

53002a9a14699cecb6d4d44286c42759a7ee3e750c714a2586870903e4576f0866440635925a5b45c67b2be61a9cf0fb008007a4370d509fb5da9edd6baf1a7e
SSDEEP

6144:4SiQrg69IZsnbzdCQ2IFXAOvo3+6plqs+qGCkBRikK7CQrwWXLIvxhkYu8wvxWP:zgZsnbzdXXK3+6plqs+37IuQ1x6

Score

10^/10

formbook ckvl discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ckvl

Decoy

buketmert.com

hodu61.net

avenuecaca.com

kays.kitchen

8ky4.com

pretty-zoo.com

ds613.com

sacramentohemorrhoidcenter.com

icbcpd.com

zzinpick.com

cloudtestingrules.com

2020-especial-em-casa.com

lapdwde83.club

misionsanlorenzo.com

neenaknows.com

jlsqjjz.com

cazconstructionservices.com

ashihun75.icu

elvantage.com

youmovies.site

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/1952-3-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1952-6-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
1796	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 1952	1992	Roominglists.exe	30
PID 1952 set thread context of 1244	1952	Roominglists.exe	21
PID 2220 set thread context of 1244	2220	wscript.exe	21

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	Roominglists.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1952	Roominglists.exe
1952	Roominglists.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe
2220	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1992	Roominglists.exe
1952	Roominglists.exe
1952	Roominglists.exe
1952	Roominglists.exe
2220	wscript.exe
2220	wscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1952	Roominglists.exe
Token: SeDebugPrivilege	2220	wscript.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 1952	1992	Roominglists.exe	30
PID 1992 wrote to memory of 1952	1992	Roominglists.exe	30
PID 1992 wrote to memory of 1952	1992	Roominglists.exe	30
PID 1992 wrote to memory of 1952	1992	Roominglists.exe	30
PID 1992 wrote to memory of 1952	1992	Roominglists.exe	30
PID 1244 wrote to memory of 2220	1244	Explorer.EXE	31
PID 1244 wrote to memory of 2220	1244	Explorer.EXE	31
PID 1244 wrote to memory of 2220	1244	Explorer.EXE	31
PID 1244 wrote to memory of 2220	1244	Explorer.EXE	31
PID 2220 wrote to memory of 1796	2220	wscript.exe	32
PID 2220 wrote to memory of 1796	2220	wscript.exe	32
PID 2220 wrote to memory of 1796	2220	wscript.exe	32
PID 2220 wrote to memory of 1796	2220	wscript.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\Roominglists.exe
  "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Users\Admin\AppData\Local\Temp\Roominglists.exe
    "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1952
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:2220
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Roominglists.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1796

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

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Downloads

memory/1244-8-0x0000000006460000-0x0000000006579000-memory.dmp

Filesize
1.1MB

Download
memory/1244-12-0x0000000006460000-0x0000000006579000-memory.dmp

Filesize
1.1MB

Download
memory/1952-3-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1952-4-0x0000000000B40000-0x0000000000E43000-memory.dmp

Filesize
3.0MB

Download
memory/1952-7-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/1952-6-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1992-2-0x0000000000050000-0x0000000000150000-memory.dmp

Filesize
1024KB

Download
memory/2220-9-0x0000000000050000-0x0000000000076000-memory.dmp

Filesize
152KB

Download
memory/2220-11-0x0000000000050000-0x0000000000076000-memory.dmp

Filesize
152KB

Download

Analysis

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