formbook | 0a0aa2a540745ef974c3e40eab6999e4c837692c17f582346a9eb39f6c64e7af

General

Target

BOOKING.PDF.exe
Size

758KB
MD5

88528bfe9007c57d8615a2df954790db
SHA1

4570ffe1a98d532c3f07d85cd5fefad3385afdcc
SHA256

30ef5d1576242f1583caff2d9a14053d43693a495a3b708715a418a944b1143f
SHA512

741ef3fcf005207f14c0b74ff5e640d51e313b85be83aa9000bfeba06d0f6b000b2d4065d40d29eed73ad72a56881f293ef6d60e4591a1a11cf76017d9983683
SSDEEP

12288:dWxyoLLoS60/K7yh0nzTS5jX8Qf/TJIHVh+TWWVjr50XmIaj6hYl8v13Ut:djoLAzeFsKlI1HWVjdKmIa2c8v13E

Score

10^/10

formbook cgsp discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cgsp

Decoy

dzxcsy.com

communication-digitale.net

darkspot.pro

neighborschoicefranchise.com

mujeresaprendices.com

ryanita.com

karmelbali.com

lengzu.net

archoneshop.com

auszeit-online.com

incredikit.com

theostermangroup.com

challengesbringsuccess.com

thegoddogcure.com

missshalae.com

mulherviaje.com

danieljosephmuldoon.com

plantitasmke.com

lyson.info

boardwalkcafebeaufort.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2224-14-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2224-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1872-24-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2708	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2004 set thread context of 2224	2004	BOOKING.PDF.exe	31
PID 2224 set thread context of 1248	2224	BOOKING.PDF.exe	21
PID 1872 set thread context of 1248	1872	netsh.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	BOOKING.PDF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2004	BOOKING.PDF.exe
2224	BOOKING.PDF.exe
2224	BOOKING.PDF.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe
1872	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2224	BOOKING.PDF.exe
2224	BOOKING.PDF.exe
2224	BOOKING.PDF.exe
1872	netsh.exe
1872	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	BOOKING.PDF.exe
Token: SeDebugPrivilege	2224	BOOKING.PDF.exe
Token: SeDebugPrivilege	1872	netsh.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 2004 wrote to memory of 2224	2004	BOOKING.PDF.exe	31
PID 1248 wrote to memory of 1872	1248	Explorer.EXE	32
PID 1248 wrote to memory of 1872	1248	Explorer.EXE	32
PID 1248 wrote to memory of 1872	1248	Explorer.EXE	32
PID 1248 wrote to memory of 1872	1248	Explorer.EXE	32
PID 1872 wrote to memory of 2708	1872	netsh.exe	33
PID 1872 wrote to memory of 2708	1872	netsh.exe	33
PID 1872 wrote to memory of 2708	1872	netsh.exe	33
PID 1872 wrote to memory of 2708	1872	netsh.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\BOOKING.PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\BOOKING.PDF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Users\Admin\AppData\Local\Temp\BOOKING.PDF.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2224
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1872
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\BOOKING.PDF.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2708

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/1248-25-0x0000000005490000-0x0000000005591000-memory.dmp

Filesize
1.0MB

Download
memory/1248-20-0x0000000005490000-0x0000000005591000-memory.dmp

Filesize
1.0MB

Download
memory/1872-21-0x0000000000840000-0x000000000085B000-memory.dmp

Filesize
108KB

Download
memory/1872-23-0x0000000000840000-0x000000000085B000-memory.dmp

Filesize
108KB

Download
memory/1872-24-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/2004-3-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/2004-6-0x0000000005240000-0x00000000052E2000-memory.dmp

Filesize
648KB

Download
memory/2004-7-0x0000000000A70000-0x0000000000AC2000-memory.dmp

Filesize
328KB

Download
memory/2004-5-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2004-4-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

Filesize
4KB

Download
memory/2004-0-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

Filesize
4KB

Download
memory/2004-2-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2004-15-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2004-1-0x0000000001110000-0x00000000011D4000-memory.dmp

Filesize
784KB

Download
memory/2224-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-19-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2224-16-0x0000000000830000-0x0000000000B33000-memory.dmp

Filesize
3.0MB

Download
memory/2224-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2224-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2224-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

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