formbook | 8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f

General

Target

8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe
Size

597KB
MD5

1b27358f5ad8d9e7f8f24dae59c0e047
SHA1

b99426345cc005fcf5caa333ccae68ce8345c9df
SHA256

8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f
SHA512

64ee6efc50b00e92c11cfc32afcf05ae80560190c588202d3724b2511b5e27bd7115e3b2ca20b41414746144ee4ed2d1e1b819beb1a9ceebee0fedc2a6d704b3
SSDEEP

12288:xijHAqAJFfG3AP4mbYl4uahxX5Euk5vQnO67B1EU:xoAZ+IbY+/hxXOuS8OWB1J

Score

10^/10

formbook bs03 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs03

Decoy

aindirectiveteam.info

itchen-remodeling-up.world

avadacasino21.buzz

urumsbicard.net

ental-care-2762127.fyi

raveline.tech

camtech.online

leartec.health

odkacasino-333.buzz

oans-credits-73480.bond

ubstrate360.xyz

dalang.click

on66my.xyz

elegilgh.run

wlf.dev

ex-in-wien.net

riminal-mischief.cfd

0ns.pro

klopcy.xyz

ssetexcelstrongmanageroot.xyz

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/2664-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2664-14-0x0000000000401000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31

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 2 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2664	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2840	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	30
PID 2816 wrote to memory of 2840	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	30
PID 2816 wrote to memory of 2840	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	30
PID 2816 wrote to memory of 2840	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	30
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31
PID 2816 wrote to memory of 2664	2816	8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe	31

C:\Users\Admin\AppData\Local\Temp\8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe
"C:\Users\Admin\AppData\Local\Temp\8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe
  "C:\Users\Admin\AppData\Local\Temp\8fff9a173774de4ef78139d49e3f62b83fdf1b2a542c257567e76c7b82ef5e5f.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

Replay Monitor

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Downloads

memory/2664-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-14-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2664-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-15-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/2664-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2816-3-0x0000000000540000-0x0000000000550000-memory.dmp

Filesize
64KB

Download
memory/2816-6-0x0000000005AE0000-0x0000000005B58000-memory.dmp

Filesize
480KB

Download
memory/2816-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2816-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2816-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-1-0x0000000000E70000-0x0000000000F0C000-memory.dmp

Filesize
624KB

Download
memory/2816-16-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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