formbook | a8af52f378b0d8cc71513411d4af5c383147c03064981084c63125b3f57b7f6a

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 06:43

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General

Target

LSW51096D32024I.exe
Size

653KB
MD5

8691b9bda57b18592afe76b9a8265ad3
SHA1

51c0b367762361da72cc2b36d317b188c9a51b59
SHA256

a8af52f378b0d8cc71513411d4af5c383147c03064981084c63125b3f57b7f6a
SHA512

56d80eae6b52800ebde89e6aecc2f40050dbabb82d65158f2a934bcfdc897f936f3293a557de689ce56a7223337ffa6d1b2bcee15af081c7203142d7e28563f6
SSDEEP

12288:QI2iNeSY+aZrwrhWAqSruftYXDEt+FL+rXu8gLvCN2avJ5S:T14/4rhWAqSruftWFK9gLvCRR5

Score

10^/10

formbook de94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

de94

Decoy

way2future.net

worldnewsdailys.online

rendamaisbr.com

s485.icu

vcxwpo.xyz

imagivilleartists.com

herbatyorganics.com

xn--80ado1abokv5d.xn--p1acf

invigoratewell.com

especialistaleitura.online

pkrstg.com

performacaretechnical.com

dreamgame55.net

hkitgugx.xyz

istanlikbilgiler.click

slotter99j.vip

exploringtheoutdoors.net

triberoots.com

energiaslotsbet.com

dkforcm.com

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
behavioral2/memory/2104-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2104-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2104-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4836-26-0x0000000000D20000-0x0000000000D4F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3808 set thread context of 2104	3808	LSW51096D32024I.exe	86
PID 2104 set thread context of 3548	2104	LSW51096D32024I.exe	56
PID 2104 set thread context of 3548	2104	LSW51096D32024I.exe	56
PID 4836 set thread context of 3548	4836	raserver.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	LSW51096D32024I.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe
4836	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
2104	LSW51096D32024I.exe
4836	raserver.exe
4836	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	LSW51096D32024I.exe
Token: SeDebugPrivilege	4836	raserver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3808 wrote to memory of 2104	3808	LSW51096D32024I.exe	86
PID 3548 wrote to memory of 4836	3548	Explorer.EXE	87
PID 3548 wrote to memory of 4836	3548	Explorer.EXE	87
PID 3548 wrote to memory of 4836	3548	Explorer.EXE	87
PID 4836 wrote to memory of 924	4836	raserver.exe	88
PID 4836 wrote to memory of 924	4836	raserver.exe	88
PID 4836 wrote to memory of 924	4836	raserver.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\LSW51096D32024I.exe
  "C:\Users\Admin\AppData\Local\Temp\LSW51096D32024I.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3808
- - C:\Users\Admin\AppData\Local\Temp\LSW51096D32024I.exe
    "C:\Users\Admin\AppData\Local\Temp\LSW51096D32024I.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:4836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\LSW51096D32024I.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:924

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/2104-14-0x0000000001260000-0x00000000015AA000-memory.dmp

Filesize
3.3MB

Download
memory/2104-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-21-0x0000000002F00000-0x0000000002F14000-memory.dmp

Filesize
80KB

Download
memory/2104-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-17-0x0000000001200000-0x0000000001214000-memory.dmp

Filesize
80KB

Download
memory/2104-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3548-33-0x0000000008B80000-0x0000000008C1F000-memory.dmp

Filesize
636KB

Download
memory/3548-30-0x0000000008B80000-0x0000000008C1F000-memory.dmp

Filesize
636KB

Download
memory/3548-29-0x0000000009040000-0x00000000091CF000-memory.dmp

Filesize
1.6MB

Download
memory/3548-28-0x0000000008B80000-0x0000000008C1F000-memory.dmp

Filesize
636KB

Download
memory/3548-22-0x0000000009040000-0x00000000091CF000-memory.dmp

Filesize
1.6MB

Download
memory/3548-18-0x0000000008AB0000-0x0000000008B7E000-memory.dmp

Filesize
824KB

Download
memory/3808-6-0x0000000006B50000-0x0000000006B62000-memory.dmp

Filesize
72KB

Download
memory/3808-5-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3808-10-0x0000000008F40000-0x0000000008FDC000-memory.dmp

Filesize
624KB

Download
memory/3808-9-0x0000000006720000-0x0000000006796000-memory.dmp

Filesize
472KB

Download
memory/3808-8-0x0000000006700000-0x000000000670E000-memory.dmp

Filesize
56KB

Download
memory/3808-7-0x00000000066F0000-0x00000000066FA000-memory.dmp

Filesize
40KB

Download
memory/3808-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/3808-13-0x00000000747C0000-0x0000000074F70000-memory.dmp

Filesize
7.7MB

Download
memory/3808-1-0x0000000000A40000-0x0000000000AEA000-memory.dmp

Filesize
680KB

Download
memory/3808-2-0x0000000005A30000-0x0000000005FD4000-memory.dmp

Filesize
5.6MB

Download
memory/3808-3-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/3808-4-0x00000000054F0000-0x00000000054FA000-memory.dmp

Filesize
40KB

Download
memory/4836-26-0x0000000000D20000-0x0000000000D4F000-memory.dmp

Filesize
188KB

Download
memory/4836-25-0x0000000000640000-0x000000000065F000-memory.dmp

Filesize
124KB

Download
memory/4836-23-0x0000000000640000-0x000000000065F000-memory.dmp

Filesize
124KB

Download