formbook | b676c82353948f50f7e978b317f1633903c5a03a99b659bcb0395109b05f6012

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/09/2024, 01:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe
Size

513KB
MD5

e174a81d3a5acbb08094c63102f38e76
SHA1

a0c3be456bb4eeb5c76c7896df3ba511f0905fda
SHA256

b676c82353948f50f7e978b317f1633903c5a03a99b659bcb0395109b05f6012
SHA512

244df2d51138ba8832ec9109294d438cb986f46b10b94477443f8c723581c0f82d374d672234cc6f736a682304838b240d7ffcdb91124f1b7ac24a530b4570c3
SSDEEP

12288:B1xd8PIcO+kOmZ2xd8PIcO+kOmZcIztkolugFnJ7:BdMk+kbUMk+kbcXobJ7

Score

10^/10

formbook fr defense_evasion discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

Decoy

comptonbusinesschamber.com

roxanalabrador.com

orid.ltd

sbeaney.com

4petstuff.com

smartquality-preprod.com

vlach.site

salao-brasil.com

lindenrealty.net

redvinci.com

yellowdragster.com

fancygalaccessories.com

scalaweb.win

ditrabook.com

adler-willisau.com

dszongbu.com

mz-inc.info

mollymormons.com

financialbooster.info

nanmuxiehui.com

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
behavioral2/memory/4344-27-0x0000000000400000-0x000000000042A000-memory.dmp	formbook

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	logsx.exe

Executes dropped EXE 2 IoCs

pid	Process
4412	logsx.exe
4344	logsx.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\logs = "C:\\Users\\Admin\\AppData\\Local\\logsx.exe -boot"	logsx.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4412 set thread context of 4344	4412	logsx.exe	108
PID 4344 set thread context of 3392	4344	logsx.exe	55
PID 4212 set thread context of 3392	4212	mstsc.exe	55

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 4 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier	cmd.exe

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 10 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	logsx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

NTFS ADS 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier	cmd.exe
File created	C:\Users\Admin\AppData\Local\logsx.exe\:Zone.Identifier:$DATA	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
4344	logsx.exe
4344	logsx.exe
4344	logsx.exe
4344	logsx.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe
4212	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4344	logsx.exe
4344	logsx.exe
4344	logsx.exe
4212	mstsc.exe
4212	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe
Token: SeDebugPrivilege	4412	logsx.exe
Token: SeDebugPrivilege	4344	logsx.exe
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeDebugPrivilege	4212	mstsc.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3224	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	93
PID 548 wrote to memory of 3224	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	93
PID 548 wrote to memory of 3224	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	93
PID 548 wrote to memory of 4548	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	95
PID 548 wrote to memory of 4548	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	95
PID 548 wrote to memory of 4548	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	95
PID 548 wrote to memory of 4392	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	97
PID 548 wrote to memory of 4392	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	97
PID 548 wrote to memory of 4392	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	97
PID 548 wrote to memory of 632	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	101
PID 548 wrote to memory of 632	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	101
PID 548 wrote to memory of 632	548	e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe	101
PID 632 wrote to memory of 4412	632	cmd.exe	103
PID 632 wrote to memory of 4412	632	cmd.exe	103
PID 632 wrote to memory of 4412	632	cmd.exe	103
PID 4412 wrote to memory of 3544	4412	logsx.exe	104
PID 4412 wrote to memory of 3544	4412	logsx.exe	104
PID 4412 wrote to memory of 3544	4412	logsx.exe	104
PID 4412 wrote to memory of 2020	4412	logsx.exe	106
PID 4412 wrote to memory of 2020	4412	logsx.exe	106
PID 4412 wrote to memory of 2020	4412	logsx.exe	106
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 4412 wrote to memory of 4344	4412	logsx.exe	108
PID 3392 wrote to memory of 4212	3392	Explorer.EXE	109
PID 3392 wrote to memory of 4212	3392	Explorer.EXE	109
PID 3392 wrote to memory of 4212	3392	Explorer.EXE	109
PID 4212 wrote to memory of 3828	4212	mstsc.exe	110
PID 4212 wrote to memory of 3828	4212	mstsc.exe	110
PID 4212 wrote to memory of 3828	4212	mstsc.exe	110

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:548
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier"
    3⤵
    - Subvert Trust Controls: Mark-of-the-Web Bypass
    - System Location Discovery: System Language Discovery
    - NTFS ADS
    PID:3224
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe:Zone.Identifier"
    3⤵
    - Subvert Trust Controls: Mark-of-the-Web Bypass
    - System Location Discovery: System Language Discovery
    - NTFS ADS
    PID:4548
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\e174a81d3a5acbb08094c63102f38e76_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\logsx.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - NTFS ADS
    PID:4392
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\logsx.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:632
  - - C:\Users\Admin\AppData\Local\logsx.exe
      "C:\Users\Admin\AppData\Local\logsx.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4412
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier"
        5⤵
        Subvert Trust Controls: Mark-of-the-Web Bypass
        System Location Discovery: System Language Discovery
        NTFS ADS
        
        PID:3544
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C type nul > "C:\Users\Admin\AppData\Local\logsx.exe:Zone.Identifier"
        5⤵
        Subvert Trust Controls: Mark-of-the-Web Bypass
        System Location Discovery: System Language Discovery
        NTFS ADS
        
        PID:2020
    - - C:\Users\Admin\AppData\Local\logsx.exe
        
        "C:\Users\Admin\AppData\Local\logsx.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        
        PID:4344
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:4212
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\logsx.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\logsx.exe

Filesize
513KB

MD5
e174a81d3a5acbb08094c63102f38e76

SHA1
a0c3be456bb4eeb5c76c7896df3ba511f0905fda

SHA256
b676c82353948f50f7e978b317f1633903c5a03a99b659bcb0395109b05f6012

SHA512
244df2d51138ba8832ec9109294d438cb986f46b10b94477443f8c723581c0f82d374d672234cc6f736a682304838b240d7ffcdb91124f1b7ac24a530b4570c3

Download Submit
memory/548-12-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/548-10-0x0000000006630000-0x0000000006638000-memory.dmp

Filesize
32KB

Download
memory/548-3-0x0000000005600000-0x0000000005692000-memory.dmp

Filesize
584KB

Download
memory/548-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/548-5-0x00000000059A0000-0x00000000059CA000-memory.dmp

Filesize
168KB

Download
memory/548-6-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/548-7-0x0000000005A90000-0x0000000005AB2000-memory.dmp

Filesize
136KB

Download
memory/548-8-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/548-9-0x0000000006810000-0x00000000069D2000-memory.dmp

Filesize
1.8MB

Download
memory/548-1-0x0000000000B60000-0x0000000000BE6000-memory.dmp

Filesize
536KB

Download
memory/548-11-0x0000000006620000-0x000000000662C000-memory.dmp

Filesize
48KB

Download
memory/548-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/548-2-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/548-17-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/3392-36-0x0000000008EA0000-0x0000000009008000-memory.dmp

Filesize
1.4MB

Download
memory/4212-33-0x00000000001B0000-0x00000000002EA000-memory.dmp

Filesize
1.2MB

Download
memory/4212-32-0x00000000001B0000-0x00000000002EA000-memory.dmp

Filesize
1.2MB

Download
memory/4344-27-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/4412-30-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-26-0x00000000060C0000-0x000000000615C000-memory.dmp

Filesize
624KB

Download
memory/4412-25-0x0000000005A90000-0x0000000005A9C000-memory.dmp

Filesize
48KB

Download
memory/4412-24-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-23-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-22-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/4412-21-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download