formbook | 7b6405f519c37ee3e0ffd997d6b986b05d415eb21583168b0a9de3ddf042a90f

Analysis

max time kernel
145s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-10-2024 08:12

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General

Target

kkk.exe
Size

2.5MB
MD5

d90c90f39b8bf8bc6af9998c546f1df1
SHA1

7358a2cc616bb26f246e4b2bd08ce1c9ca9a0c07
SHA256

7b6405f519c37ee3e0ffd997d6b986b05d415eb21583168b0a9de3ddf042a90f
SHA512

8b6611ad8e281040fce3bf1f5d4abc492570310572ae2dab5022b25c3addb139ecb540ce56bef086c3d3018bf18ded4126cfa2452d7c9ef80a6a7f518b192fdb
SSDEEP

24576:fftLp4xZDonb36xA4XuYaZvpa8pWl2Nootef5OWe16YjlixVPOOmm91U/2TxLauS:d2D1l2No

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 2520 created 3504	2520	kkk.exe	56

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4100-1093-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4100-1098-0x0000000000400000-0x000000000042F000-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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Jnlpdwfl = "C:\\Users\\Admin\\AppData\\Roaming\\Jnlpdwfl.exe"	kkk.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 4100	2520	kkk.exe	83
PID 4100 set thread context of 3504	4100	InstallUtil.exe	56
PID 404 set thread context of 3504	404	help.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	kkk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2520	kkk.exe
2520	kkk.exe
2520	kkk.exe
2520	kkk.exe
4100	InstallUtil.exe
4100	InstallUtil.exe
4100	InstallUtil.exe
4100	InstallUtil.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe
404	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4100	InstallUtil.exe
4100	InstallUtil.exe
4100	InstallUtil.exe
404	help.exe
404	help.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	kkk.exe
Token: SeDebugPrivilege	2520	kkk.exe
Token: SeDebugPrivilege	4100	InstallUtil.exe
Token: SeDebugPrivilege	404	help.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 2520 wrote to memory of 4100	2520	kkk.exe	83
PID 3504 wrote to memory of 404	3504	Explorer.EXE	84
PID 3504 wrote to memory of 404	3504	Explorer.EXE	84
PID 3504 wrote to memory of 404	3504	Explorer.EXE	84
PID 404 wrote to memory of 516	404	help.exe	87
PID 404 wrote to memory of 516	404	help.exe	87
PID 404 wrote to memory of 516	404	help.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\kkk.exe
  "C:\Users\Admin\AppData\Local\Temp\kkk.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:2520
- 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:4100
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:404
- - 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:516

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/404-1102-0x0000000000C70000-0x0000000000C77000-memory.dmp

Filesize
28KB

Download
memory/2520-60-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-1081-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/2520-2-0x0000000005190000-0x000000000528E000-memory.dmp

Filesize
1016KB

Download
memory/2520-3-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-12-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-66-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-64-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-58-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-56-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-54-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-52-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-46-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-44-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-42-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-40-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-38-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-36-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-34-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-32-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-30-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-28-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-22-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-20-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-18-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-16-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-10-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-62-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp

Filesize
4KB

Download
memory/2520-4-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-48-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-8-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-6-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-26-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-24-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-50-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-14-0x0000000005190000-0x0000000005288000-memory.dmp

Filesize
992KB

Download
memory/2520-1077-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1080-0x00000000052F0000-0x000000000533C000-memory.dmp

Filesize
304KB

Download
memory/2520-1079-0x0000000005350000-0x00000000053C8000-memory.dmp

Filesize
480KB

Download
memory/2520-1078-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1-0x0000000000420000-0x00000000006A0000-memory.dmp

Filesize
2.5MB

Download
memory/2520-1083-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/2520-1087-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1088-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1089-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/2520-1082-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/2520-1090-0x0000000005700000-0x0000000005754000-memory.dmp

Filesize
336KB

Download
memory/2520-1094-0x0000000074A20000-0x00000000751D0000-memory.dmp

Filesize
7.7MB

Download
memory/3504-1099-0x0000000008860000-0x00000000089D5000-memory.dmp

Filesize
1.5MB

Download
memory/3504-1104-0x0000000008860000-0x00000000089D5000-memory.dmp

Filesize
1.5MB

Download
memory/3504-1108-0x0000000002A30000-0x0000000002AEB000-memory.dmp

Filesize
748KB

Download
memory/3504-1111-0x0000000002A30000-0x0000000002AEB000-memory.dmp

Filesize
748KB

Download
memory/4100-1093-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-1098-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-1097-0x0000000001790000-0x00000000017A5000-memory.dmp

Filesize
84KB

Download
memory/4100-1096-0x00000000018A0000-0x0000000001BEA000-memory.dmp

Filesize
3.3MB

Download