formbook | f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 02:27

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General

Target

f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
Size

623KB
MD5

269066cb8351bfe6a7922e64ef467c8c
SHA1

c5d1e4644dddc439e413aae061531b0fdcd03cb3
SHA256

f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c
SHA512

9d0600ea37e8c8f7e9ed2249648516f2aca70483e89b155149879afc9b493b5fbf5ab255a358fbba89b370026e0fb4a7ffd78ea481f16e65ab2f74174b435496
SSDEEP

12288:aVVkS8M9hf4om1TuYGlnTUucND8YhUg3sAigYSbCxP3r8vurrYqe5:skFMT4omluTNBkLs1N8Cx78viYr

Score

10^/10

formbook b48n discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b48n

Decoy

anifestmindset.net

ommybahamabigsales.shop

3tcxr.xyz

iano-world.net

rconf23.net

atherpa.shop

trllrpartners.club

5sawit777.pro

ctbhuxcdreioijresol.top

opinatlas.app

pinstar.xyz

mfengwa.top

8games13.xyz

tickpaket.online

iphuodongallbbtbtm.top

ental-bridges-51593.bond

laywithkemon.rest

lkpiou.xyz

a88.land

igfloppafan.club

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
behavioral2/memory/4408-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94

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	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4408	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
4408	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94
PID 1668 wrote to memory of 4408	1668	f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe	94

C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
"C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe
  "C:\Users\Admin\AppData\Local\Temp\f19194ff1ec767b06e63a0239670106f598b4df2b660c5c2e6f6707646c07d2c.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4408

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/1668-6-0x0000000005A90000-0x0000000005AA8000-memory.dmp

Filesize
96KB

Download
memory/1668-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/1668-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/1668-4-0x0000000005780000-0x000000000578A000-memory.dmp

Filesize
40KB

Download
memory/1668-5-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/1668-1-0x0000000000E20000-0x0000000000EC2000-memory.dmp

Filesize
648KB

Download
memory/1668-7-0x00000000751DE000-0x00000000751DF000-memory.dmp

Filesize
4KB

Download
memory/1668-10-0x0000000006C30000-0x0000000006CCC000-memory.dmp

Filesize
624KB

Download
memory/1668-9-0x00000000069B0000-0x0000000006A26000-memory.dmp

Filesize
472KB

Download
memory/1668-8-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/1668-13-0x00000000751D0000-0x0000000075980000-memory.dmp

Filesize
7.7MB

Download
memory/4408-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4408-14-0x0000000001710000-0x0000000001A5A000-memory.dmp

Filesize
3.3MB

Download