formbook | a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a

Analysis

max time kernel
147s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/09/2024, 15:38

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General

Target

PO401.exe
Size

1.1MB
MD5

39791818339b4e65f0d41b14f140a4e0
SHA1

d8f6f8b7c289d34b9a81180ae764ab0257b8d4fc
SHA256

a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a
SHA512

de61350aa0b78dd2884e98bd1bbf4271ded43cf0e45cf0c2fddd3fc038a35a1abcf8f0380d613e55281d416437fdc2f4864cbed024649093dc72d0e65b037dde
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCWRD74Y20CSdCGxkqi263Va:7JZoQrbTFZY1iaCWF7RUqi2YVa

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/1360-3-0x0000000000340000-0x000000000036F000-memory.dmp	formbook
behavioral2/memory/1360-7-0x0000000000340000-0x000000000036F000-memory.dmp	formbook
behavioral2/memory/3992-12-0x0000000000920000-0x000000000094F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3736-2-0x0000000004490000-0x0000000004890000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3736 set thread context of 1360	3736	PO401.exe	84
PID 1360 set thread context of 3460	1360	svchost.exe	55
PID 3992 set thread context of 3460	3992	cscript.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO401.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1360	svchost.exe
1360	svchost.exe
1360	svchost.exe
1360	svchost.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe
3992	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3736	PO401.exe
3736	PO401.exe
1360	svchost.exe
1360	svchost.exe
1360	svchost.exe
3992	cscript.exe
3992	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1360	svchost.exe
Token: SeDebugPrivilege	3992	cscript.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 1360	3736	PO401.exe	84
PID 3736 wrote to memory of 1360	3736	PO401.exe	84
PID 3736 wrote to memory of 1360	3736	PO401.exe	84
PID 3736 wrote to memory of 1360	3736	PO401.exe	84
PID 3460 wrote to memory of 3992	3460	Explorer.EXE	85
PID 3460 wrote to memory of 3992	3460	Explorer.EXE	85
PID 3460 wrote to memory of 3992	3460	Explorer.EXE	85
PID 3992 wrote to memory of 3456	3992	cscript.exe	89
PID 3992 wrote to memory of 3456	3992	cscript.exe	89
PID 3992 wrote to memory of 3456	3992	cscript.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\PO401.exe
  "C:\Users\Admin\AppData\Local\Temp\PO401.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3736
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PO401.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1360
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:3992
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3456

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

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Downloads

memory/1360-7-0x0000000000340000-0x000000000036F000-memory.dmp

Filesize
188KB

Download
memory/1360-3-0x0000000000340000-0x000000000036F000-memory.dmp

Filesize
188KB

Download
memory/1360-6-0x0000000000AD0000-0x0000000000E1A000-memory.dmp

Filesize
3.3MB

Download
memory/1360-8-0x0000000000FE0000-0x0000000000FF4000-memory.dmp

Filesize
80KB

Download
memory/3460-13-0x00000000084E0000-0x0000000008607000-memory.dmp

Filesize
1.2MB

Download
memory/3460-9-0x00000000084E0000-0x0000000008607000-memory.dmp

Filesize
1.2MB

Download
memory/3460-17-0x0000000002FE0000-0x00000000030C8000-memory.dmp

Filesize
928KB

Download
memory/3460-18-0x0000000002FE0000-0x00000000030C8000-memory.dmp

Filesize
928KB

Download
memory/3460-20-0x0000000002FE0000-0x00000000030C8000-memory.dmp

Filesize
928KB

Download
memory/3736-2-0x0000000004490000-0x0000000004890000-memory.dmp

Filesize
4.0MB

Download
memory/3992-10-0x00000000003C0000-0x00000000003E7000-memory.dmp

Filesize
156KB

Download
memory/3992-11-0x00000000003C0000-0x00000000003E7000-memory.dmp

Filesize
156KB

Download
memory/3992-12-0x0000000000920000-0x000000000094F000-memory.dmp

Filesize
188KB

Download