formbook | 7ac762996cb380e79c8e0f47c6b60807b36bab8e69cd1066923970ac0f84a856

Analysis

max time kernel
149s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2024 06:13

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General

Target

s5BoOx01cFwsJjj.exe
Size

710KB
MD5

bd662a24f6fa0baf3dc0ebbbbcff95f3
SHA1

0884f3b80326d9e0a2938b5614bb14c8257c680b
SHA256

86d99c72901376e045ed7c2972dfc6a211c911f3771ca67dfc08084c3b42861b
SHA512

2737e41471b7b0660d7326740faf7e0e81daf1507066de5080db62ff81a63cc68c04ca659976514f1089557976dea158a95a552daa7b61936cc835302d21b2e1
SSDEEP

12288:hPPDMPeu8yYWewt1l6Fk/Qi+obTM9Evrbh3nD3skFx/1kRGDwTMM2FvrFbs:VL835t1l6FktOEDqkFrkLQM0r

Score

10^/10

formbook b31a discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b31a

Decoy

enjamin-paaac.buzz

mail-marketing-40950.bond

pusems28-post.cyou

hindo.top

ruck-company-be.today

asinos-deutschland.net

ewancash.boats

etdopovo.casino

rcher-saaac.buzz

871166.vip

manuel.app

g3yqo.shop

-9way.xyz

qawgytfexe.bond

iefi6834.vip

ental-health-35901.bond

idat-merkez18.top

rojectleadzone.website

lirudolph.top

migloballlc.online

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/184-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/184-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3600-22-0x0000000000BD0000-0x0000000000BFF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3816 set thread context of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 184 set thread context of 3568	184	s5BoOx01cFwsJjj.exe	56
PID 3600 set thread context of 3568	3600	colorcpl.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	s5BoOx01cFwsJjj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3816	s5BoOx01cFwsJjj.exe
3816	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe
3600	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
184	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
184	s5BoOx01cFwsJjj.exe
3600	colorcpl.exe
3600	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3816	s5BoOx01cFwsJjj.exe
Token: SeDebugPrivilege	184	s5BoOx01cFwsJjj.exe
Token: SeDebugPrivilege	3600	colorcpl.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3816 wrote to memory of 184	3816	s5BoOx01cFwsJjj.exe	94
PID 3568 wrote to memory of 3600	3568	Explorer.EXE	95
PID 3568 wrote to memory of 3600	3568	Explorer.EXE	95
PID 3568 wrote to memory of 3600	3568	Explorer.EXE	95
PID 3600 wrote to memory of 4884	3600	colorcpl.exe	96
PID 3600 wrote to memory of 4884	3600	colorcpl.exe	96
PID 3600 wrote to memory of 4884	3600	colorcpl.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\s5BoOx01cFwsJjj.exe
  "C:\Users\Admin\AppData\Local\Temp\s5BoOx01cFwsJjj.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3816
- - C:\Users\Admin\AppData\Local\Temp\s5BoOx01cFwsJjj.exe
    "C:\Users\Admin\AppData\Local\Temp\s5BoOx01cFwsJjj.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:184
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:3600
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\s5BoOx01cFwsJjj.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4884

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/184-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/184-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/184-18-0x0000000001CD0000-0x0000000001CE4000-memory.dmp

Filesize
80KB

Download
memory/184-15-0x0000000001960000-0x0000000001CAA000-memory.dmp

Filesize
3.3MB

Download
memory/3568-30-0x0000000007DC0000-0x0000000007EB2000-memory.dmp

Filesize
968KB

Download
memory/3568-28-0x0000000007DC0000-0x0000000007EB2000-memory.dmp

Filesize
968KB

Download
memory/3568-27-0x0000000007DC0000-0x0000000007EB2000-memory.dmp

Filesize
968KB

Download
memory/3568-23-0x0000000006E40000-0x0000000006F22000-memory.dmp

Filesize
904KB

Download
memory/3568-19-0x0000000006E40000-0x0000000006F22000-memory.dmp

Filesize
904KB

Download
memory/3600-20-0x00000000004E0000-0x00000000004F9000-memory.dmp

Filesize
100KB

Download
memory/3600-21-0x00000000004E0000-0x00000000004F9000-memory.dmp

Filesize
100KB

Download
memory/3600-22-0x0000000000BD0000-0x0000000000BFF000-memory.dmp

Filesize
188KB

Download
memory/3816-14-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3816-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3816-8-0x00000000066B0000-0x00000000066C8000-memory.dmp

Filesize
96KB

Download
memory/3816-7-0x0000000006620000-0x00000000066B0000-memory.dmp

Filesize
576KB

Download
memory/3816-6-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/3816-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/3816-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/3816-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/3816-11-0x0000000006400000-0x0000000006476000-memory.dmp

Filesize
472KB

Download
memory/3816-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/3816-3-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/3816-2-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/3816-1-0x0000000000460000-0x0000000000518000-memory.dmp

Filesize
736KB

Download