formbook | 44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 02:44

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General

Target

44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe
Size

1.3MB
MD5

e154592e2c94de71c802d90b7b67b168
SHA1

42422cf1556a5cc8184659a7ee0ccc698a9f6f8d
SHA256

44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef
SHA512

d5acaafe7b59000688d9b97db7567ad8e8e7db84aaefed890ae3a1cc0927f06862b4c836c27cd28d205cebd7b226f423c504e2a87c8317e509fd378d63a6dde5
SSDEEP

24576:5AHnh+eWsN3skA4RV1Hom2KXFmIap9tlBt0xoqdNv/UcuEl5:Ah+ZkldoPK1Xap/jKxo2B/Uq

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

resource	yara_rule
behavioral2/memory/2296-12-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook
behavioral2/memory/2296-16-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook
behavioral2/memory/2296-20-0x00000000004D0000-0x00000000004FF000-memory.dmp	formbook
behavioral2/memory/1472-26-0x0000000000950000-0x000000000097F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1568 set thread context of 2296	1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe	87
PID 2296 set thread context of 3508	2296	svchost.exe	56
PID 2296 set thread context of 3508	2296	svchost.exe	56
PID 1472 set thread context of 3508	1472	cscript.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	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe
1472	cscript.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe
1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
2296	svchost.exe
1472	cscript.exe
1472	cscript.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	2296	svchost.exe
Token: SeDebugPrivilege	1472	cscript.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 2296	1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe	87
PID 1568 wrote to memory of 2296	1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe	87
PID 1568 wrote to memory of 2296	1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe	87
PID 1568 wrote to memory of 2296	1568	44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe	87
PID 3508 wrote to memory of 1472	3508	Explorer.EXE	94
PID 3508 wrote to memory of 1472	3508	Explorer.EXE	94
PID 3508 wrote to memory of 1472	3508	Explorer.EXE	94
PID 1472 wrote to memory of 1100	1472	cscript.exe	99
PID 1472 wrote to memory of 1100	1472	cscript.exe	99
PID 1472 wrote to memory of 1100	1472	cscript.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe
  "C:\Users\Admin\AppData\Local\Temp\44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\44e829cf77b809fe3133b6f57e2649983195bc94c223a5cadf78225d323e80ef.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2296
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:1472
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1472-26-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/1472-24-0x0000000000820000-0x0000000000847000-memory.dmp

Filesize
156KB

Download
memory/1472-25-0x0000000000820000-0x0000000000847000-memory.dmp

Filesize
156KB

Download
memory/1568-11-0x00000000012A0000-0x00000000016A0000-memory.dmp

Filesize
4.0MB

Download
memory/2296-17-0x0000000001360000-0x0000000001374000-memory.dmp

Filesize
80KB

Download
memory/2296-21-0x0000000002CD0000-0x0000000002CE4000-memory.dmp

Filesize
80KB

Download
memory/2296-20-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/2296-16-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/2296-15-0x0000000001010000-0x000000000135A000-memory.dmp

Filesize
3.3MB

Download
memory/2296-12-0x00000000004D0000-0x00000000004FF000-memory.dmp

Filesize
188KB

Download
memory/3508-18-0x0000000002520000-0x00000000025E7000-memory.dmp

Filesize
796KB

Download
memory/3508-22-0x0000000007A00000-0x0000000007B7B000-memory.dmp

Filesize
1.5MB

Download
memory/3508-23-0x0000000002520000-0x00000000025E7000-memory.dmp

Filesize
796KB

Download
memory/3508-27-0x0000000007A00000-0x0000000007B7B000-memory.dmp

Filesize
1.5MB

Download
memory/3508-30-0x0000000007ED0000-0x000000000803F000-memory.dmp

Filesize
1.4MB

Download
memory/3508-32-0x0000000007ED0000-0x000000000803F000-memory.dmp

Filesize
1.4MB

Download
memory/3508-33-0x0000000007ED0000-0x000000000803F000-memory.dmp

Filesize
1.4MB

Download