formbook | 53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000

Analysis

max time kernel
150s
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
03-10-2024 02:25

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General

Target

53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
Size

2.5MB
MD5

2c797c56fd3f57bfdcad4eb7031733f6
SHA1

4f17ff83965d5d92d2128e7bea446052d5b24444
SHA256

53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000
SHA512

8a39d1c363b2f1d676730fb6d23d837a30032eceebdebc173644336bf1a6c3a45a7406d8d174f331d3f0d9ef373bd5fa8758485bbfec644664357c762854d6a3
SSDEEP

49152:0IMweBemgQmy2tmQjnRO2AJ6896tWieZ0s:8Mm2yvQjnROp685

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 4880 created 3464	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	56

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/5060-1093-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5060-1097-0x0000000000400000-0x000000000042F000-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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nvmnrazx = "C:\\Users\\Admin\\AppData\\Roaming\\Nvmnrazx.exe"	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4880 set thread context of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 5060 set thread context of 3464	5060	InstallUtil.exe	56
PID 232 set thread context of 3464	232	control.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	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
5060	InstallUtil.exe
5060	InstallUtil.exe
5060	InstallUtil.exe
5060	InstallUtil.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe
232	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
5060	InstallUtil.exe
5060	InstallUtil.exe
5060	InstallUtil.exe
232	control.exe
232	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
Token: SeDebugPrivilege	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
Token: SeDebugPrivilege	5060	InstallUtil.exe
Token: SeDebugPrivilege	232	control.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 4880 wrote to memory of 5060	4880	53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe	84
PID 3464 wrote to memory of 232	3464	Explorer.EXE	85
PID 3464 wrote to memory of 232	3464	Explorer.EXE	85
PID 3464 wrote to memory of 232	3464	Explorer.EXE	85
PID 232 wrote to memory of 3908	232	control.exe	86
PID 232 wrote to memory of 3908	232	control.exe	86
PID 232 wrote to memory of 3908	232	control.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.exe
  "C:\Users\Admin\AppData\Local\Temp\53a5dd5f5446a75a32253a1f365e891e4c4a0cca5284eed39b36737c7fda4000.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:4880
- 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:5060
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:232
- - 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:3908

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/232-1102-0x0000000000D20000-0x0000000000D47000-memory.dmp

Filesize
156KB

Download
memory/3464-1099-0x0000000002700000-0x00000000027C5000-memory.dmp

Filesize
788KB

Download
memory/3464-1104-0x0000000002700000-0x00000000027C5000-memory.dmp

Filesize
788KB

Download
memory/3464-1108-0x0000000007B70000-0x0000000007CA3000-memory.dmp

Filesize
1.2MB

Download
memory/3464-1111-0x0000000007B70000-0x0000000007CA3000-memory.dmp

Filesize
1.2MB

Download
memory/4880-16-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-6-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-2-0x0000000004D40000-0x0000000004E3E000-memory.dmp

Filesize
1016KB

Download
memory/4880-66-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-12-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-59-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-62-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-64-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-60-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-54-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-48-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-46-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-44-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-42-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-40-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-36-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-30-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-28-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-26-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-24-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-22-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-20-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-18-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/4880-14-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-4-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-1-0x0000000000130000-0x00000000003AA000-memory.dmp

Filesize
2.5MB

Download
memory/4880-56-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-52-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-50-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-38-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-34-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-32-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-10-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-8-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-3-0x0000000004D40000-0x0000000004E38000-memory.dmp

Filesize
992KB

Download
memory/4880-1077-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-1079-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-1080-0x0000000004F40000-0x0000000004F8C000-memory.dmp

Filesize
304KB

Download
memory/4880-1078-0x0000000004EC0000-0x0000000004F38000-memory.dmp

Filesize
480KB

Download
memory/4880-1081-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4880-1082-0x0000000005180000-0x00000000051E6000-memory.dmp

Filesize
408KB

Download
memory/4880-1086-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-1087-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-1088-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/4880-1089-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/4880-1090-0x00000000057F0000-0x0000000005844000-memory.dmp

Filesize
336KB

Download
memory/4880-1094-0x0000000074B00000-0x00000000752B0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-1093-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5060-1095-0x00000000011B0000-0x00000000014FA000-memory.dmp

Filesize
3.3MB

Download
memory/5060-1098-0x0000000000D50000-0x0000000000D65000-memory.dmp

Filesize
84KB

Download
memory/5060-1097-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download