formbook | c73fb599aa168248ab95c1020bfa198e3f580c6ecc926999efd6e2e63e7e2438

Analysis

max time kernel
147s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-09-2024 09:48

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General

Target

TT COPY.exe
Size

1.1MB
MD5

5edb0f8e0ef6dd1e0d402f644c874e0f
SHA1

46e50727606336dbe5257ba0c9e77006b7b710e0
SHA256

5282b57b495bb6cca55225f7de91b203403b8ce35e41e62703e803f4aa134eb8
SHA512

8129e3a284ed8514ed71367d03e8afd537d6636a78dce7995d2f48f32857a67a87dcdca102a45b33ab56e5e6486c45205d552b51b6907eda801def655288e6a8
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaC6WzN6M6ZdLNX50DEMhc:7JZoQrbTFZY1iaC6sb6TnAc

Score

10^/10

formbook c24t discovery 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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4884-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4884-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4180-12-0x0000000001290000-0x00000000012BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3732 set thread context of 4884	3732	TT COPY.exe	83
PID 4884 set thread context of 3476	4884	svchost.exe	55
PID 4180 set thread context of 3476	4180	raserver.exe	55

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 3 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	TT COPY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4884	svchost.exe
4884	svchost.exe
4884	svchost.exe
4884	svchost.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe
4180	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3732	TT COPY.exe
4884	svchost.exe
4884	svchost.exe
4884	svchost.exe
4180	raserver.exe
4180	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4884	svchost.exe
Token: SeDebugPrivilege	4180	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3732	TT COPY.exe
3732	TT COPY.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3732	TT COPY.exe
3732	TT COPY.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 4884	3732	TT COPY.exe	83
PID 3732 wrote to memory of 4884	3732	TT COPY.exe	83
PID 3732 wrote to memory of 4884	3732	TT COPY.exe	83
PID 3732 wrote to memory of 4884	3732	TT COPY.exe	83
PID 3476 wrote to memory of 4180	3476	Explorer.EXE	84
PID 3476 wrote to memory of 4180	3476	Explorer.EXE	84
PID 3476 wrote to memory of 4180	3476	Explorer.EXE	84
PID 4180 wrote to memory of 4708	4180	raserver.exe	88
PID 4180 wrote to memory of 4708	4180	raserver.exe	88
PID 4180 wrote to memory of 4708	4180	raserver.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3476
- C:\Users\Admin\AppData\Local\Temp\TT COPY.exe
  "C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4884
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/3476-20-0x00000000024A0000-0x0000000002584000-memory.dmp

Filesize
912KB

Download
memory/3476-18-0x00000000024A0000-0x0000000002584000-memory.dmp

Filesize
912KB

Download
memory/3476-17-0x00000000024A0000-0x0000000002584000-memory.dmp

Filesize
912KB

Download
memory/3476-13-0x00000000027A0000-0x0000000002855000-memory.dmp

Filesize
724KB

Download
memory/3476-8-0x00000000027A0000-0x0000000002855000-memory.dmp

Filesize
724KB

Download
memory/3732-2-0x0000000004370000-0x0000000004770000-memory.dmp

Filesize
4.0MB

Download
memory/4180-9-0x0000000000CE0000-0x0000000000CFF000-memory.dmp

Filesize
124KB

Download
memory/4180-11-0x0000000000CE0000-0x0000000000CFF000-memory.dmp

Filesize
124KB

Download
memory/4180-12-0x0000000001290000-0x00000000012BF000-memory.dmp

Filesize
188KB

Download
memory/4884-7-0x0000000000F00000-0x0000000000F14000-memory.dmp

Filesize
80KB

Download
memory/4884-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4884-4-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/4884-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download