formbook | c8f65c12fb6f421428217e6f7bc772e3b2608b14ce4cc178292f403edf7bf989

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 22:12

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General

Target

Payment advice.exe
Size

688KB
MD5

a7858d093f5f0f3315109c6c24ed7c2e
SHA1

ec87e2226e81046e891eef71a5170428b3133403
SHA256

6f060cc85631ddca9a23b6a588bea990b0fd6b24fedc18021aae81aa3ed10fdc
SHA512

74a8d5d01a4c7305c292774826d36742bfdbaa315e5b5bf5dd03a2a8f2455bc6db7bb0a17b73f9359ec7a3bd0f295dcd8e274c510c48ee193837fb6eef98505b
SSDEEP

12288:EI8FcsaCZXRpyCosDf8DYkC4cQ6ysNvPTSveFvo/P79byB:J8FcsaeX3yCpf8OusNWx/5b

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2556-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2312-26-0x00000000000D0000-0x00000000000FF000-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
2752	powershell.exe

Deletes itself 1 IoCs

pid	Process
2608	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2556	2232	Payment advice.exe	32
PID 2556 set thread context of 1208	2556	Payment advice.exe	21
PID 2556 set thread context of 1208	2556	Payment advice.exe	21
PID 2312 set thread context of 1208	2312	msiexec.exe	21

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 4 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	Payment advice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2232	Payment advice.exe
2556	Payment advice.exe
2232	Payment advice.exe
2556	Payment advice.exe
2752	powershell.exe
2556	Payment advice.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe
2312	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2556	Payment advice.exe
2556	Payment advice.exe
2556	Payment advice.exe
2556	Payment advice.exe
2312	msiexec.exe
2312	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	Payment advice.exe
Token: SeDebugPrivilege	2556	Payment advice.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2312	msiexec.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2752	2232	Payment advice.exe	30
PID 2232 wrote to memory of 2752	2232	Payment advice.exe	30
PID 2232 wrote to memory of 2752	2232	Payment advice.exe	30
PID 2232 wrote to memory of 2752	2232	Payment advice.exe	30
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 2232 wrote to memory of 2556	2232	Payment advice.exe	32
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 1208 wrote to memory of 2312	1208	Explorer.EXE	56
PID 2312 wrote to memory of 2608	2312	msiexec.exe	57
PID 2312 wrote to memory of 2608	2312	msiexec.exe	57
PID 2312 wrote to memory of 2608	2312	msiexec.exe	57
PID 2312 wrote to memory of 2608	2312	msiexec.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2232
- - 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\Payment advice.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2556
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1280
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1660
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1096
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2900
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3012
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:3016
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2588
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2204
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2648
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1996
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2396
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2096
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2128
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2160
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2356
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1648
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2732
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1664
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1356
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:236
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:308
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:828
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2044
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2312
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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/1208-16-0x0000000006C50000-0x0000000006D8A000-memory.dmp

Filesize
1.2MB

Download
memory/1208-27-0x0000000003A80000-0x0000000003B80000-memory.dmp

Filesize
1024KB

Download
memory/2232-6-0x0000000005D00000-0x0000000005D78000-memory.dmp

Filesize
480KB

Download
memory/2232-3-0x0000000000250000-0x0000000000262000-memory.dmp

Filesize
72KB

Download
memory/2232-4-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2232-5-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-2-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2232-1-0x0000000001060000-0x0000000001112000-memory.dmp

Filesize
712KB

Download
memory/2232-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

Filesize
4KB

Download
memory/2232-17-0x0000000074E10000-0x00000000754FE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-26-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2312-25-0x0000000000240000-0x0000000000254000-memory.dmp

Filesize
80KB

Download
memory/2312-23-0x0000000000240000-0x0000000000254000-memory.dmp

Filesize
80KB

Download
memory/2556-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-14-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/2556-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-12-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download