formbook | 5a11fb6ef4be30e7c7a65a256f659fab6b0833f4d32c4922f6fa36b663eb8bb3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2024 08:52

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General

Target

Zxooek.exe
Size

2.5MB
MD5

232b1abbe3ed2387bd727d08716e0846
SHA1

d1706a34eed5f8b482655dede78113b5adb04db2
SHA256

5a11fb6ef4be30e7c7a65a256f659fab6b0833f4d32c4922f6fa36b663eb8bb3
SHA512

6205cd30eed573c1dd563adc87be51c21bc14eba36e5ab1e756f715a77e33edf2e97b7884a8b7d2d5c02502495f7dc4b15562237058490d0934aa2b5c985c677
SSDEEP

24576:fPNAyYA6foBNp0kdJV4Eac5h+sXDluxEkTj3v6OVOGH+kDs6+5iQc1RZLszJt74x:fP4ApBz4Eh+szkCkTj3vVnekLBGJt0V

Score

10^/10

formbook e62s discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2128 created 3432	2128	Zxooek.exe	56

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/5080-1093-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5080-1097-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Zgrgdhtdkny = "C:\\Users\\Admin\\AppData\\Roaming\\Zgrgdhtdkny.exe"	Zxooek.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 5080	2128	Zxooek.exe	83
PID 5080 set thread context of 3432	5080	InstallUtil.exe	56
PID 2376 set thread context of 3432	2376	NETSTAT.EXE	56

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	Zxooek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.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
2376	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2128	Zxooek.exe
2128	Zxooek.exe
2128	Zxooek.exe
2128	Zxooek.exe
5080	InstallUtil.exe
5080	InstallUtil.exe
5080	InstallUtil.exe
5080	InstallUtil.exe
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE
2376	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5080	InstallUtil.exe
5080	InstallUtil.exe
5080	InstallUtil.exe
2376	NETSTAT.EXE
2376	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	Zxooek.exe
Token: SeDebugPrivilege	2128	Zxooek.exe
Token: SeDebugPrivilege	5080	InstallUtil.exe
Token: SeDebugPrivilege	2376	NETSTAT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 2128 wrote to memory of 5080	2128	Zxooek.exe	83
PID 3432 wrote to memory of 2376	3432	Explorer.EXE	84
PID 3432 wrote to memory of 2376	3432	Explorer.EXE	84
PID 3432 wrote to memory of 2376	3432	Explorer.EXE	84
PID 2376 wrote to memory of 60	2376	NETSTAT.EXE	85
PID 2376 wrote to memory of 60	2376	NETSTAT.EXE	85
PID 2376 wrote to memory of 60	2376	NETSTAT.EXE	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\Zxooek.exe
  "C:\Users\Admin\AppData\Local\Temp\Zxooek.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:5080
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.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:2376
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:60

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

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/2128-4-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-64-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-2-0x00000000057E0000-0x00000000058DE000-memory.dmp

Filesize
1016KB

Download
memory/2128-10-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-16-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-66-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-54-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-62-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-60-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-58-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-56-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-52-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-50-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-48-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-46-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-42-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-40-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-38-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-36-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-44-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-30-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-28-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-26-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-24-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-22-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-18-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-14-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-12-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2128-1-0x0000000000D20000-0x0000000000F9A000-memory.dmp

Filesize
2.5MB

Download
memory/2128-32-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-34-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-20-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-8-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-6-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-3-0x00000000057E0000-0x00000000058D8000-memory.dmp

Filesize
992KB

Download
memory/2128-1077-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2128-1079-0x00000000059E0000-0x0000000005A58000-memory.dmp

Filesize
480KB

Download
memory/2128-1078-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2128-1080-0x0000000005A60000-0x0000000005AAC000-memory.dmp

Filesize
304KB

Download
memory/2128-1081-0x0000000005BD0000-0x0000000005C62000-memory.dmp

Filesize
584KB

Download
memory/2128-1082-0x0000000005C70000-0x0000000005CD6000-memory.dmp

Filesize
408KB

Download
memory/2128-1086-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2128-1088-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2128-1087-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2128-1089-0x00000000068A0000-0x0000000006E44000-memory.dmp

Filesize
5.6MB

Download
memory/2128-1090-0x0000000005D60000-0x0000000005DB4000-memory.dmp

Filesize
336KB

Download
memory/2128-1094-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/2376-1102-0x0000000000B50000-0x0000000000B5B000-memory.dmp

Filesize
44KB

Download
memory/3432-1099-0x0000000008D80000-0x0000000008EE6000-memory.dmp

Filesize
1.4MB

Download
memory/3432-1104-0x0000000008D80000-0x0000000008EE6000-memory.dmp

Filesize
1.4MB

Download
memory/3432-1107-0x00000000086D0000-0x00000000087E1000-memory.dmp

Filesize
1.1MB

Download
memory/3432-1110-0x00000000086D0000-0x00000000087E1000-memory.dmp

Filesize
1.1MB

Download
memory/5080-1093-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5080-1095-0x00000000013A0000-0x00000000016EA000-memory.dmp

Filesize
3.3MB

Download
memory/5080-1098-0x0000000000D20000-0x0000000000D35000-memory.dmp

Filesize
84KB

Download
memory/5080-1097-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download