formbook | 223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001

General

Target

223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
Size

603KB
MD5

5a7b139855700ca803dbc54daa52567e
SHA1

ed76b03d085d9a11a410c4f2bfa056d6c9639176
SHA256

223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
SHA512

64def05a152fc1c10ef1c8d27e27ef33338dabb5665d8d6897f6d7db0388cfbfc2a42a808ecdda96ce32d7dd14221ba4c84a22333626f26b40036fd0a83d6d2c
SSDEEP

12288:QOq8bQbKxrRaWJyBpk5Qs+/hsJntO3XOJWkdzdwSjNenBr0Q+p/PKxxQtmvV:Q0IKxhJwkO/intOOJNdz6ENGBYTZaN

Score

10^/10

formbook c24t discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c24t

Decoy

ealthbridgeccs.online

ngelicais.art

uktuksu1.sbs

fapoker.asia

hecreature.tech

orenzoplaybest14.xyz

op-smartphones-deal.today

delark.click

7395.asia

otnews.cfd

j16e.xyz

oko.events

fscxb.top

roudtxliberals.vote

asas-br.bond

ourhealthyourlife.shop

fbpd.top

j9u9.xyz

uijiuw.top

aming-chair-37588.bond

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/2052-13-0x0000000000400000-0x000000000042F000-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
2264	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 744 set thread context of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33

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	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
2052	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
2264	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
Token: SeDebugPrivilege	2264	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 2264	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	31
PID 744 wrote to memory of 2264	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	31
PID 744 wrote to memory of 2264	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	31
PID 744 wrote to memory of 2264	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	31
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33
PID 744 wrote to memory of 2052	744	223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe	33

C:\Users\Admin\AppData\Local\Temp\223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
"C:\Users\Admin\AppData\Local\Temp\223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744
- 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\223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe
  "C:\Users\Admin\AppData\Local\Temp\223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2052

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/744-6-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/744-15-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/744-2-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/744-3-0x0000000000A30000-0x0000000000A42000-memory.dmp

Filesize
72KB

Download
memory/744-4-0x0000000074070000-0x000000007475E000-memory.dmp

Filesize
6.9MB

Download
memory/744-5-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/744-1-0x0000000000950000-0x00000000009EE000-memory.dmp

Filesize
632KB

Download
memory/744-7-0x0000000005690000-0x0000000005706000-memory.dmp

Filesize
472KB

Download
memory/744-0-0x000000007407E000-0x000000007407F000-memory.dmp

Filesize
4KB

Download
memory/2052-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2052-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-14-0x00000000009F0000-0x0000000000CF3000-memory.dmp

Filesize
3.0MB

Download
memory/2052-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2052-18-0x00000000009F0000-0x0000000000CF3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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