formbook | a2f0719a2948b5931bc6eae794c258406b070a570efe91a54252d05d9019a9e5

Analysis

max time kernel
148s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 10:11

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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 4452 created 3428	4452	Zxooek.exe	56

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/1876-1093-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1876-1097-0x0000000000400000-0x000000000042F000-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-1-5-21-4182098368-2521458979-3782681353-1000\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 4452 set thread context of 1876	4452	Zxooek.exe	84
PID 1876 set thread context of 3428	1876	InstallUtil.exe	56
PID 4088 set thread context of 3428	4088	cscript.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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Zxooek.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4452	Zxooek.exe
4452	Zxooek.exe
4452	Zxooek.exe
4452	Zxooek.exe
1876	InstallUtil.exe
1876	InstallUtil.exe
1876	InstallUtil.exe
1876	InstallUtil.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe
4088	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1876	InstallUtil.exe
1876	InstallUtil.exe
1876	InstallUtil.exe
4088	cscript.exe
4088	cscript.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4452	Zxooek.exe
Token: SeDebugPrivilege	4452	Zxooek.exe
Token: SeDebugPrivilege	1876	InstallUtil.exe
Token: SeDebugPrivilege	4088	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 4452 wrote to memory of 1876	4452	Zxooek.exe	84
PID 3428 wrote to memory of 4088	3428	Explorer.EXE	85
PID 3428 wrote to memory of 4088	3428	Explorer.EXE	85
PID 3428 wrote to memory of 4088	3428	Explorer.EXE	85
PID 4088 wrote to memory of 3016	4088	cscript.exe	86
PID 4088 wrote to memory of 3016	4088	cscript.exe	86
PID 4088 wrote to memory of 3016	4088	cscript.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3428
- 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:4452
- 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:1876
- 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:4088
- - 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:3016

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

Credential Access

Discovery

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/1876-1093-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1876-1095-0x00000000018D0000-0x0000000001C1A000-memory.dmp

Filesize
3.3MB

Download
memory/1876-1098-0x0000000001380000-0x0000000001395000-memory.dmp

Filesize
84KB

Download
memory/1876-1097-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3428-1099-0x0000000003340000-0x000000000345D000-memory.dmp

Filesize
1.1MB

Download
memory/3428-1110-0x0000000008C80000-0x0000000008D82000-memory.dmp

Filesize
1.0MB

Download
memory/3428-1107-0x0000000008C80000-0x0000000008D82000-memory.dmp

Filesize
1.0MB

Download
memory/3428-1104-0x0000000003340000-0x000000000345D000-memory.dmp

Filesize
1.1MB

Download
memory/4088-1102-0x0000000000DB0000-0x0000000000DD7000-memory.dmp

Filesize
156KB

Download
memory/4452-18-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-3-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-30-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-6-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-4-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-50-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-48-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-46-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-44-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-40-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-38-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-36-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-34-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-32-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-28-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-26-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-24-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-22-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-20-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-42-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-16-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-14-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-12-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-8-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-62-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-66-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-60-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-58-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-56-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-54-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-52-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-64-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-1077-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/4452-1078-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/4452-1079-0x0000000005460000-0x00000000054D8000-memory.dmp

Filesize
480KB

Download
memory/4452-1080-0x00000000054E0000-0x000000000552C000-memory.dmp

Filesize
304KB

Download
memory/4452-1081-0x0000000005650000-0x00000000056E2000-memory.dmp

Filesize
584KB

Download
memory/4452-1082-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/4452-1086-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/4452-1088-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/4452-10-0x0000000005260000-0x0000000005358000-memory.dmp

Filesize
992KB

Download
memory/4452-2-0x0000000005260000-0x000000000535E000-memory.dmp

Filesize
1016KB

Download
memory/4452-1-0x0000000000660000-0x00000000008DA000-memory.dmp

Filesize
2.5MB

Download
memory/4452-0-0x000000007442E000-0x000000007442F000-memory.dmp

Filesize
4KB

Download
memory/4452-1087-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download
memory/4452-1089-0x0000000006320000-0x00000000068C4000-memory.dmp

Filesize
5.6MB

Download
memory/4452-1090-0x00000000057E0000-0x0000000005834000-memory.dmp

Filesize
336KB

Download
memory/4452-1094-0x0000000074420000-0x0000000074BD0000-memory.dmp

Filesize
7.7MB

Download