formbook | b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 05:23

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General

Target

b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe
Size

585KB
MD5

256082a7c53b5ee01a25fc5888fbe757
SHA1

4a85dc392c02fa1e62ab8729e3967531233e5f53
SHA256

b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045
SHA512

572e36abeb6e2b34d3a67889724ed901c640137b95425d3573376ce6d8be4026d8c64fef28b8d4548d0337528f46ff0ca2b967612f1d687e13597e0da7f58b3a
SSDEEP

12288:w8USn/BfGWFKAwszRbZEXdt6Q3zLeoZETGPENjq8S2YloHFQrqkOI/hyO:wS5fGY7z/ezLnZEyPUjnIlofm1

Score

10^/10

formbook dn13 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/848-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
848	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31
PID 2348 wrote to memory of 848	2348	b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe	31

C:\Users\Admin\AppData\Local\Temp\b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe
"C:\Users\Admin\AppData\Local\Temp\b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe
  "C:\Users\Admin\AppData\Local\Temp\b37b37330f9c4970ca450212d0e3e902fb44110b4570bb07574621354509d045.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:848

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/848-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/848-16-0x0000000000960000-0x0000000000C63000-memory.dmp

Filesize
3.0MB

Download
memory/848-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/848-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/848-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2348-3-0x0000000000750000-0x0000000000762000-memory.dmp

Filesize
72KB

Download
memory/2348-6-0x0000000005B40000-0x0000000005BB6000-memory.dmp

Filesize
472KB

Download
memory/2348-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2348-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2348-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-15-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2348-1-0x00000000008C0000-0x0000000000958000-memory.dmp

Filesize
608KB

Download