formbook | fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 02:39

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General

Target

fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
Size

1.6MB
MD5

3364dc2488f8444000a9da4c6d999fc4
SHA1

19cf9bd0f6976d75f7738ec74d2b326edee5bdde
SHA256

fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4
SHA512

24778076f2e3fbd0ab39675bab98bd7da9feaa08e276d720da2fca252377ceb2c7b1da1b9c3b862e2acbea9b6e0c29e77e093c9cff366055d894a969545ea921
SSDEEP

49152:AAodtaG9kS2U84B+FLan9k5TRM9zlcVj7vdLJ7t:A/B18P7t

Score

10^/10

formbook md02 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

md02

Decoy

onsen1508.com

partymaxclubmen36.click

texasshelvingwarehouse.com

tiantiying.com

taxcredits-pr.com

33mgbet.com

equipoleiremnacional.com

andrewghita.com

zbbnp.xyz

englandbreaking.com

a1b5v.xyz

vizamag.com

h0lg3.rest

ux-design-courses-17184.bond

of84.top

qqkartel88v1.com

avalynkate.com

cpuk-finance.com

yeslabs.xyz

webuyandsellpa.com

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/2388-0-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2388-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1672-8-0x0000000000360000-0x000000000038F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4800 set thread context of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 2388 set thread context of 3320	2388	ngen.exe	55
PID 1672 set thread context of 3320	1672	ipconfig.exe	55

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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1672	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2388	ngen.exe
2388	ngen.exe
2388	ngen.exe
2388	ngen.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe
1672	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2388	ngen.exe
2388	ngen.exe
2388	ngen.exe
1672	ipconfig.exe
1672	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
Token: SeDebugPrivilege	2388	ngen.exe
Token: SeDebugPrivilege	1672	ipconfig.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3320	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 4800 wrote to memory of 2388	4800	fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe	86
PID 3320 wrote to memory of 1672	3320	Explorer.EXE	88
PID 3320 wrote to memory of 1672	3320	Explorer.EXE	88
PID 3320 wrote to memory of 1672	3320	Explorer.EXE	88
PID 1672 wrote to memory of 2876	1672	ipconfig.exe	89
PID 1672 wrote to memory of 2876	1672	ipconfig.exe	89
PID 1672 wrote to memory of 2876	1672	ipconfig.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3320
- C:\Users\Admin\AppData\Local\Temp\fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe
  "C:\Users\Admin\AppData\Local\Temp\fcf632af143e88dfba5e9256d0fb238eb314b0d20e63141cb659ed7ad001cbb4.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4800
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2388
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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/1672-6-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

Filesize
44KB

Download
memory/1672-7-0x0000000000BC0000-0x0000000000BCB000-memory.dmp

Filesize
44KB

Download
memory/1672-8-0x0000000000360000-0x000000000038F000-memory.dmp

Filesize
188KB

Download
memory/2388-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2388-1-0x0000000001620000-0x000000000196A000-memory.dmp

Filesize
3.3MB

Download
memory/2388-4-0x00000000015E0000-0x00000000015F4000-memory.dmp

Filesize
80KB

Download
memory/2388-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3320-5-0x0000000007BB0000-0x0000000007CD6000-memory.dmp

Filesize
1.1MB

Download
memory/3320-9-0x0000000007BB0000-0x0000000007CD6000-memory.dmp

Filesize
1.1MB

Download
memory/3320-12-0x0000000008310000-0x0000000008493000-memory.dmp

Filesize
1.5MB

Download
memory/3320-14-0x0000000008310000-0x0000000008493000-memory.dmp

Filesize
1.5MB

Download
memory/3320-15-0x0000000008310000-0x0000000008493000-memory.dmp

Filesize
1.5MB

Download