formbook | 3bc0a08eba4fb6dd392f1ebcc76c47a5b1df2c912e364b08b724bf9d1c86e81c

General

Target

DUE INVOICES-SEPTEMBER 2024.exe
Size

1.1MB
MD5

e935df5b9f8f05c32ee0f9e3e7db5de1
SHA1

3d332bd1f017b6064beab2f625af8943b03ea30b
SHA256

e5bb1ba175379b3456a486c9f2fe575e81b2e772894c6d014220a7eed1ea6b81
SHA512

78d1008e8b9c44271d612199c9c0c98b7eb8d616896b999ea16b70020f21b5ad014f3f2dc4dab9ca00596dbeaf26e602a0ef40e38429f4134f46060b175c52d3
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaASkI0D78XOVMHZmtVTSIltL4zXR0PCmn:pJZoQrbTFZY1iaASk5ce6HZadt0N2Cmn

Score

10^/10

formbook e62s discovery 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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2736-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2736-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2664-18-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 2736 set thread context of 1204	2736	svchost.exe	21
PID 2736 set thread context of 1204	2736	svchost.exe	21
PID 2664 set thread context of 1204	2664	cmstp.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DUE INVOICES-SEPTEMBER 2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe
2664	cmstp.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1400	DUE INVOICES-SEPTEMBER 2024.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2736	svchost.exe
2664	cmstp.exe
2664	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2736	svchost.exe
Token: SeDebugPrivilege	2664	cmstp.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1400	DUE INVOICES-SEPTEMBER 2024.exe
1400	DUE INVOICES-SEPTEMBER 2024.exe
1400	DUE INVOICES-SEPTEMBER 2024.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1400	DUE INVOICES-SEPTEMBER 2024.exe
1400	DUE INVOICES-SEPTEMBER 2024.exe
1400	DUE INVOICES-SEPTEMBER 2024.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 1400 wrote to memory of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 1400 wrote to memory of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 1400 wrote to memory of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 1400 wrote to memory of 2736	1400	DUE INVOICES-SEPTEMBER 2024.exe	31
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2736 wrote to memory of 2664	2736	svchost.exe	32
PID 2664 wrote to memory of 2968	2664	cmstp.exe	33
PID 2664 wrote to memory of 2968	2664	cmstp.exe	33
PID 2664 wrote to memory of 2968	2664	cmstp.exe	33
PID 2664 wrote to memory of 2968	2664	cmstp.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
PID:1204
- C:\Users\Admin\AppData\Local\Temp\DUE INVOICES-SEPTEMBER 2024.exe
  "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES-SEPTEMBER 2024.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\DUE INVOICES-SEPTEMBER 2024.exe"
    3⤵
    - 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:2736
  - - C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      4⤵
      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:2664
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1204-13-0x0000000004300000-0x00000000043B6000-memory.dmp

Filesize
728KB

Download
memory/1204-25-0x0000000006E70000-0x0000000006F6E000-memory.dmp

Filesize
1016KB

Download
memory/1204-23-0x0000000006E70000-0x0000000006F6E000-memory.dmp

Filesize
1016KB

Download
memory/1204-22-0x0000000006E70000-0x0000000006F6E000-memory.dmp

Filesize
1016KB

Download
memory/1204-8-0x00000000051C0000-0x0000000005309000-memory.dmp

Filesize
1.3MB

Download
memory/1204-17-0x0000000004300000-0x00000000043B6000-memory.dmp

Filesize
728KB

Download
memory/1400-2-0x0000000003940000-0x0000000003D40000-memory.dmp

Filesize
4.0MB

Download
memory/2664-18-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2664-14-0x0000000000F60000-0x0000000000F78000-memory.dmp

Filesize
96KB

Download
memory/2664-16-0x0000000000F60000-0x0000000000F78000-memory.dmp

Filesize
96KB

Download
memory/2736-11-0x00000000003E0000-0x00000000003F5000-memory.dmp

Filesize
84KB

Download
memory/2736-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2736-7-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/2736-4-0x0000000000700000-0x0000000000A03000-memory.dmp

Filesize
3.0MB

Download
memory/2736-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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