formbook | d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c

General

Target

d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe
Size

1.1MB
MD5

6dea6a57776ebf101b66ea7871189caa
SHA1

f0e729b41af22396bab32692344aed39da1e5fd3
SHA256

d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c
SHA512

112f59ee2488a24ddb5864ff2a1a4e8f079180d7bc8dda6b960af34b860eb5260a8991703e9b31d1b89daa8bb71ebcd17ad06f673b8b57e114b8f042f07c1035
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCGYdeQxSZcLcwJvhJHQrvf:7JZoQrbTFZY1iaCzJxSSgsQr3

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2508-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2508-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2508-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4856-17-0x0000000000620000-0x000000000064F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exesvchost.exerundll32.exe

description	pid	process	target process
PID 3104 set thread context of 2508	3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe	svchost.exe
PID 2508 set thread context of 3428	2508	svchost.exe	Explorer.EXE
PID 2508 set thread context of 3428	2508	svchost.exe	Explorer.EXE
PID 4856 set thread context of 3428	4856	rundll32.exe	Explorer.EXE

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 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

Processes:

cmd.exed442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exerundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exerundll32.exe

pid	process
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe
4856	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exesvchost.exerundll32.exe

pid	process
3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
2508	svchost.exe
4856	rundll32.exe
4856	rundll32.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

svchost.exeExplorer.EXErundll32.exe

description	pid	process
Token: SeDebugPrivilege	2508	svchost.exe
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeDebugPrivilege	4856	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

3428 Explorer.EXE
3428 Explorer.EXE
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3428 Explorer.EXE

pid	process
3428	Explorer.EXE
3428	Explorer.EXE

pid	process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 3104 wrote to memory of 2508	3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe	svchost.exe
PID 3104 wrote to memory of 2508	3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe	svchost.exe
PID 3104 wrote to memory of 2508	3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe	svchost.exe
PID 3104 wrote to memory of 2508	3104	d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe	svchost.exe
PID 3428 wrote to memory of 4856	3428	Explorer.EXE	rundll32.exe
PID 3428 wrote to memory of 4856	3428	Explorer.EXE	rundll32.exe
PID 3428 wrote to memory of 4856	3428	Explorer.EXE	rundll32.exe
PID 4856 wrote to memory of 5008	4856	rundll32.exe	cmd.exe
PID 4856 wrote to memory of 5008	4856	rundll32.exe	cmd.exe
PID 4856 wrote to memory of 5008	4856	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe
  "C:\Users\Admin\AppData\Local\Temp\d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3104
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d442b5ce54ed30474624663d8ff34bb09700ef5e9774558b75bdce61efeac18c.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2508
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:4856
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5008

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

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Downloads

memory/2508-11-0x0000000003700000-0x0000000003714000-memory.dmp

Filesize
80KB

Download
memory/2508-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-4-0x0000000001800000-0x0000000001B4A000-memory.dmp

Filesize
3.3MB

Download
memory/2508-7-0x0000000001590000-0x00000000015A4000-memory.dmp

Filesize
80KB

Download
memory/2508-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2508-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3104-2-0x00000000040C0000-0x00000000042C0000-memory.dmp

Filesize
2.0MB

Download
memory/3428-12-0x0000000008B90000-0x0000000008CF3000-memory.dmp

Filesize
1.4MB

Download
memory/3428-8-0x0000000008850000-0x00000000089C8000-memory.dmp

Filesize
1.5MB

Download
memory/3428-13-0x0000000008850000-0x00000000089C8000-memory.dmp

Filesize
1.5MB

Download
memory/3428-18-0x0000000008B90000-0x0000000008CF3000-memory.dmp

Filesize
1.4MB

Download
memory/3428-21-0x0000000009010000-0x00000000090E9000-memory.dmp

Filesize
868KB

Download
memory/3428-22-0x0000000009010000-0x00000000090E9000-memory.dmp

Filesize
868KB

Download
memory/3428-24-0x0000000009010000-0x00000000090E9000-memory.dmp

Filesize
868KB

Download
memory/4856-14-0x00000000000E0000-0x00000000000F4000-memory.dmp

Filesize
80KB

Download
memory/4856-16-0x00000000000E0000-0x00000000000F4000-memory.dmp

Filesize
80KB

Download
memory/4856-17-0x0000000000620000-0x000000000064F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads