formbook | bde2075169332f1f49a01129628b030b8b55741de6353e873c162635c374a04e

General

Target

PTT056739937pdf.exe
Size

214KB
MD5

52c97485bc35094afb64c8f8bb3945f5
SHA1

7c177d8b33562f5e9c0aadd688b4f9a9e891ed28
SHA256

1762c6b2de63b5d6470fdba19845c0110b60342cccbf2df75ba250c5b730d1ad
SHA512

06a632d6632c51177d31f9c9b5e5beb186abdef61c20b820a67817edb51a30d029e93f86528f94415d2ae77184661f6c2a96af73496a256cdaf76a6a3c7a07c7
SSDEEP

6144:qweEpUjGehdR82Jp83HR4TR66swZIpaDU05thwd7jE0mqYu0pk:bUjTPGvm9cxyrwd7uu0i

Score

10^/10

formbook mr06 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mr06

Decoy

dreamrose.shop

bamdadlive.com

avastfr.com

aishabolduc.design

nobulldownhill.com

navis.store

paintingsantaclarita.com

wdidfhqo9751ds.link

epilateurlaser.info

expertdoctor.xyz

jtfaqyxo.work

zrexvita.live

coloradomarketingfirm.com

prestigehospitality.solutions

bmayple.com

sea-food.online

mejor-proteccion-es.click

tophatlimitless.buzz

inailshickorycreek.com

tintash-sg.net

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2560-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2560-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2560-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2780-26-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 2 IoCs

pid	Process
2204	voqhrhox.exe
2560	voqhrhox.exe

Loads dropped DLL 2 IoCs

pid	Process
2236	PTT056739937pdf.exe
2204	voqhrhox.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 2560	2204	voqhrhox.exe	32
PID 2560 set thread context of 1232	2560	voqhrhox.exe	21
PID 2560 set thread context of 1232	2560	voqhrhox.exe	21
PID 2780 set thread context of 1232	2780	cmd.exe	21

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 4 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	PTT056739937pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	voqhrhox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2560	voqhrhox.exe
2560	voqhrhox.exe
2560	voqhrhox.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe
2780	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2204	voqhrhox.exe
2560	voqhrhox.exe
2560	voqhrhox.exe
2560	voqhrhox.exe
2560	voqhrhox.exe
2780	cmd.exe
2780	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2560	voqhrhox.exe
Token: SeDebugPrivilege	2780	cmd.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2204	2236	PTT056739937pdf.exe	30
PID 2236 wrote to memory of 2204	2236	PTT056739937pdf.exe	30
PID 2236 wrote to memory of 2204	2236	PTT056739937pdf.exe	30
PID 2236 wrote to memory of 2204	2236	PTT056739937pdf.exe	30
PID 2204 wrote to memory of 2560	2204	voqhrhox.exe	32
PID 2204 wrote to memory of 2560	2204	voqhrhox.exe	32
PID 2204 wrote to memory of 2560	2204	voqhrhox.exe	32
PID 2204 wrote to memory of 2560	2204	voqhrhox.exe	32
PID 2204 wrote to memory of 2560	2204	voqhrhox.exe	32
PID 1232 wrote to memory of 2780	1232	Explorer.EXE	34
PID 1232 wrote to memory of 2780	1232	Explorer.EXE	34
PID 1232 wrote to memory of 2780	1232	Explorer.EXE	34
PID 1232 wrote to memory of 2780	1232	Explorer.EXE	34
PID 2780 wrote to memory of 2924	2780	cmd.exe	35
PID 2780 wrote to memory of 2924	2780	cmd.exe	35
PID 2780 wrote to memory of 2924	2780	cmd.exe	35
PID 2780 wrote to memory of 2924	2780	cmd.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\PTT056739937pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PTT056739937pdf.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
    "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2204
  - - C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe
      "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:2780
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\voqhrhox.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bxpmmv.s

Filesize
5KB

MD5
4f7823afefaa6a9c78a36131fce2cbb4

SHA1
0e496fd3b47e36d19dba3427594444a827ddbb68

SHA256
e79c88c765ff1ab23702b08daafe88f6ccb2feacd78aedeb0cbda18166049dda

SHA512
d72297590763080cf497e2aee24f25481425a95a6000dd78bcc0d2b67d401e3ca8420a50c6190e0dcf57da4d19b8e5e19f6a907f42a593fcd8f96acb02853799

Download Submit
C:\Users\Admin\AppData\Local\Temp\rahej.c

Filesize
185KB

MD5
fbe963b97d7dc514721f06bd00c698a8

SHA1
3e6614491da0ebfc8622bd6391fa6bc3f5df6ef9

SHA256
38b70c9231cc7737d9f5e0fc1a0eef9304e792ed70cf4096067c394ff08a9d73

SHA512
df3f307baae94aba5d39a1a4cb0c6037027f76d5af7cfb902ee92bc17df329478cfc1aabe5c9c9f41ca53bcaa77178a6353bba5e114984a28d97e2cf84ea722f

Download Submit
\Users\Admin\AppData\Local\Temp\voqhrhox.exe

Filesize
7KB

MD5
9a89e0a0537301f23735b1c3ced7c6bf

SHA1
ee116a9c51813fa158c072a6d41af3b263e53f99

SHA256
cbff760e19d7f26458e9a0c92f4375b1d60f7a8de748d67e63902b9878f513af

SHA512
ed342e26938b6d1707feb89766fb079952801d8ccbe5d6f6981a7d4a9e76f62beca49614cede48ce5959e09cc9f21598802fa7f8023ce03ed21f80621665c93a

Download Submit
memory/1232-27-0x0000000006F60000-0x00000000070C6000-memory.dmp

Filesize
1.4MB

Download
memory/1232-34-0x0000000008080000-0x00000000081AE000-memory.dmp

Filesize
1.2MB

Download
memory/1232-33-0x0000000008080000-0x00000000081AE000-memory.dmp

Filesize
1.2MB

Download
memory/1232-31-0x0000000076C09000-0x0000000076C0A000-memory.dmp

Filesize
4KB

Download
memory/1232-18-0x0000000005160000-0x000000000526C000-memory.dmp

Filesize
1.0MB

Download
memory/1232-23-0x0000000006F60000-0x00000000070C6000-memory.dmp

Filesize
1.4MB

Download
memory/1232-22-0x0000000005160000-0x000000000526C000-memory.dmp

Filesize
1.0MB

Download
memory/1232-30-0x0000000008080000-0x00000000081AE000-memory.dmp

Filesize
1.2MB

Download
memory/2204-8-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/2560-14-0x0000000000840000-0x0000000000B43000-memory.dmp

Filesize
3.0MB

Download
memory/2560-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2560-21-0x00000000001E0000-0x00000000001F4000-memory.dmp

Filesize
80KB

Download
memory/2560-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2560-17-0x0000000000110000-0x0000000000124000-memory.dmp

Filesize
80KB

Download
memory/2560-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2780-25-0x000000004A1D0000-0x000000004A21C000-memory.dmp

Filesize
304KB

Download
memory/2780-24-0x000000004A1D0000-0x000000004A21C000-memory.dmp

Filesize
304KB

Download
memory/2780-26-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

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Analysis

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