formbook | a5c97f8e1ff612fbfcc18f1a1852db11099e58bb241f5b825c74715c60dd0fef

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 13:22

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General

Target

quote030214839A-ToronAlim.exe
Size

796KB
MD5

e658e3a0841f083d076fedf746bffbdc
SHA1

22be6e1fa8fcdf17d3118cd166848f06d5d9395e
SHA256

a5c97f8e1ff612fbfcc18f1a1852db11099e58bb241f5b825c74715c60dd0fef
SHA512

50c91e4d66d11e42682c7a0deeaf09615214cbf8a1909699e22dc4792450c1784fe11b365ffcdad0aa2cd2df710d3f3cccd895d31fc5b11cd9dcce19d168caa0
SSDEEP

24576:zS+QBrVbCx3YNAQzH4U3d3kW3nuXdhRHBsF5PFDsflt76:qBlCyAQzYAd/sBsF5dD26

Score

10^/10

formbook cu29 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4436-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4436-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4828-21-0x0000000000800000-0x000000000082F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 4436 set thread context of 3452	4436	quote030214839A-ToronAlim.exe	56
PID 4828 set thread context of 3452	4828	chkdsk.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	quote030214839A-ToronAlim.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
4436	quote030214839A-ToronAlim.exe
4436	quote030214839A-ToronAlim.exe
4436	quote030214839A-ToronAlim.exe
4436	quote030214839A-ToronAlim.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe
4828	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4436	quote030214839A-ToronAlim.exe
4436	quote030214839A-ToronAlim.exe
4436	quote030214839A-ToronAlim.exe
4828	chkdsk.exe
4828	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	quote030214839A-ToronAlim.exe
Token: SeDebugPrivilege	4828	chkdsk.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3728 wrote to memory of 4436	3728	quote030214839A-ToronAlim.exe	88
PID 3452 wrote to memory of 4828	3452	Explorer.EXE	89
PID 3452 wrote to memory of 4828	3452	Explorer.EXE	89
PID 3452 wrote to memory of 4828	3452	Explorer.EXE	89
PID 4828 wrote to memory of 3188	4828	chkdsk.exe	90
PID 4828 wrote to memory of 3188	4828	chkdsk.exe	90
PID 4828 wrote to memory of 3188	4828	chkdsk.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\quote030214839A-ToronAlim.exe
  "C:\Users\Admin\AppData\Local\Temp\quote030214839A-ToronAlim.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3728
- - C:\Users\Admin\AppData\Local\Temp\quote030214839A-ToronAlim.exe
    "C:\Users\Admin\AppData\Local\Temp\quote030214839A-ToronAlim.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4436
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\quote030214839A-ToronAlim.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/3452-18-0x0000000003050000-0x000000000315D000-memory.dmp

Filesize
1.1MB

Download
memory/3452-28-0x0000000008B20000-0x0000000008C40000-memory.dmp

Filesize
1.1MB

Download
memory/3452-27-0x0000000008B20000-0x0000000008C40000-memory.dmp

Filesize
1.1MB

Download
memory/3452-25-0x0000000008B20000-0x0000000008C40000-memory.dmp

Filesize
1.1MB

Download
memory/3452-22-0x0000000003050000-0x000000000315D000-memory.dmp

Filesize
1.1MB

Download
memory/3728-13-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3728-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3728-7-0x0000000004E90000-0x0000000004EA2000-memory.dmp

Filesize
72KB

Download
memory/3728-8-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/3728-9-0x00000000752C0000-0x0000000075A70000-memory.dmp

Filesize
7.7MB

Download
memory/3728-10-0x0000000006700000-0x000000000678E000-memory.dmp

Filesize
568KB

Download
memory/3728-1-0x0000000000390000-0x000000000045E000-memory.dmp

Filesize
824KB

Download
memory/3728-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

Filesize
4KB

Download
memory/3728-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/3728-6-0x0000000005150000-0x00000000051EC000-memory.dmp

Filesize
624KB

Download
memory/3728-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/3728-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp

Filesize
40KB

Download
memory/4436-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4436-17-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/4436-14-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/4436-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4828-20-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/4828-21-0x0000000000800000-0x000000000082F000-memory.dmp

Filesize
188KB

Download
memory/4828-19-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download