formbook | f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8

General

Target

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe
Size

692KB
MD5

6d137688fd296841b3f9e6b5df57a0fe
SHA1

8734f0b46d14f1af7b78d216ec4c120d87b8a636
SHA256

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8
SHA512

dd9706e44a2930959322ad9429fb9155f2b3755c8a1b8d7440e442f754c9082475e096cf4ffc05d039f5c3eff9dca43e2fd826a636d8a46dad61ec049d487439
SSDEEP

12288:fRwEIR4R52J+XtCKSX0YxwIPYRPXrmoEDK1vzXYlznMriukrrZIR:fRwEIeevKA0KwIPYd7mopslBI

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

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

Processes:

resource	yara_rule
behavioral1/memory/2704-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2704-14-0x0000000000401000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
2840	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe

description	pid	Process	procid_target
PID 2392 set thread context of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32

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

Processes:

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exepowershell.exe

pid	Process
2704	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2840	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe

description	pid	Process	procid_target
PID 2392 wrote to memory of 2840	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	31
PID 2392 wrote to memory of 2840	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	31
PID 2392 wrote to memory of 2840	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	31
PID 2392 wrote to memory of 2840	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	31
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32
PID 2392 wrote to memory of 2704	2392	f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe	32

C:\Users\Admin\AppData\Local\Temp\f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe
"C:\Users\Admin\AppData\Local\Temp\f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- 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\f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.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\f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe
  "C:\Users\Admin\AppData\Local\Temp\f6f8e9f276a4246055e3bdc46ad1276ef453cbf6d6e8affe67127ea0099bece8.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2704

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

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Downloads

memory/2392-6-0x0000000007720000-0x0000000007798000-memory.dmp

Filesize
480KB

Download
memory/2392-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2392-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-3-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/2392-4-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2392-5-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2392-1-0x0000000001100000-0x00000000011B2000-memory.dmp

Filesize
712KB

Download
memory/2392-16-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-15-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/2704-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-14-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/2704-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2704-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads