formbook | 1a160f421abe8ad85e35d23a549eead6f0501144d15cde0bb7d034508f4afbdf

Analysis

max time kernel
145s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 09:45

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General

Target

KIrXf9zq5EAEJD6.exe
Size

608KB
MD5

d528fa74a59d1ee418934a42f5513f8d
SHA1

abc8b4592280eee9ae020c3f1db7c5ae8b5bae69
SHA256

59ab557c3e419cd201601311a28669d9eaff788ff92f6cbe6733382d5883f80b
SHA512

24d1754712924f7651c9418f526851282a28d149c9a375328e7d0dc64a265c0f6a11227c71bfb62f344ff9cd46a0e9f54accac5eef00a1a4a8d15435004da646
SSDEEP

12288:SdsoHajQvFIWRfAszEbQ7KPW5nrmlmqbgDIiuvwCTQNFZcmsvsOeIw:bgtQCDKPWrml2DIiUcF1LOex

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2296-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2296-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2296-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4020-26-0x0000000000A00000-0x0000000000A2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4060 set thread context of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 2296 set thread context of 3420	2296	KIrXf9zq5EAEJD6.exe	54
PID 2296 set thread context of 3420	2296	KIrXf9zq5EAEJD6.exe	54
PID 4020 set thread context of 3420	4020	colorcpl.exe	54

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	KIrXf9zq5EAEJD6.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 58 IoCs

pid	Process
4060	KIrXf9zq5EAEJD6.exe
4060	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe
4020	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
2296	KIrXf9zq5EAEJD6.exe
4020	colorcpl.exe
4020	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	KIrXf9zq5EAEJD6.exe
Token: SeDebugPrivilege	2296	KIrXf9zq5EAEJD6.exe
Token: SeDebugPrivilege	4020	colorcpl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 4060 wrote to memory of 2296	4060	KIrXf9zq5EAEJD6.exe	88
PID 3420 wrote to memory of 4020	3420	Explorer.EXE	89
PID 3420 wrote to memory of 4020	3420	Explorer.EXE	89
PID 3420 wrote to memory of 4020	3420	Explorer.EXE	89
PID 4020 wrote to memory of 3480	4020	colorcpl.exe	90
PID 4020 wrote to memory of 3480	4020	colorcpl.exe	90
PID 4020 wrote to memory of 3480	4020	colorcpl.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Users\Admin\AppData\Local\Temp\KIrXf9zq5EAEJD6.exe
  "C:\Users\Admin\AppData\Local\Temp\KIrXf9zq5EAEJD6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4060
- - C:\Users\Admin\AppData\Local\Temp\KIrXf9zq5EAEJD6.exe
    "C:\Users\Admin\AppData\Local\Temp\KIrXf9zq5EAEJD6.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2296
- 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:4020
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\KIrXf9zq5EAEJD6.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3480

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/2296-15-0x00000000012C0000-0x000000000160A000-memory.dmp

Filesize
3.3MB

Download
memory/2296-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-21-0x00000000010E0000-0x00000000010F4000-memory.dmp

Filesize
80KB

Download
memory/2296-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2296-16-0x0000000001080000-0x0000000001094000-memory.dmp

Filesize
80KB

Download
memory/3420-33-0x00000000046F0000-0x00000000047C3000-memory.dmp

Filesize
844KB

Download
memory/3420-32-0x00000000046F0000-0x00000000047C3000-memory.dmp

Filesize
844KB

Download
memory/3420-30-0x00000000046F0000-0x00000000047C3000-memory.dmp

Filesize
844KB

Download
memory/3420-27-0x0000000008F30000-0x00000000090B0000-memory.dmp

Filesize
1.5MB

Download
memory/3420-23-0x0000000008B60000-0x0000000008C20000-memory.dmp

Filesize
768KB

Download
memory/3420-22-0x0000000008F30000-0x00000000090B0000-memory.dmp

Filesize
1.5MB

Download
memory/3420-18-0x0000000008B60000-0x0000000008C20000-memory.dmp

Filesize
768KB

Download
memory/4020-24-0x0000000000BC0000-0x0000000000BD9000-memory.dmp

Filesize
100KB

Download
memory/4020-25-0x0000000000BC0000-0x0000000000BD9000-memory.dmp

Filesize
100KB

Download
memory/4020-26-0x0000000000A00000-0x0000000000A2F000-memory.dmp

Filesize
188KB

Download
memory/4060-8-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-13-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-7-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/4060-6-0x0000000006920000-0x0000000006932000-memory.dmp

Filesize
72KB

Download
memory/4060-4-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4060-0-0x000000007522E000-0x000000007522F000-memory.dmp

Filesize
4KB

Download
memory/4060-9-0x0000000006BD0000-0x0000000006C46000-memory.dmp

Filesize
472KB

Download
memory/4060-10-0x00000000092B0000-0x000000000934C000-memory.dmp

Filesize
624KB

Download
memory/4060-5-0x0000000005050000-0x000000000505A000-memory.dmp

Filesize
40KB

Download
memory/4060-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/4060-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/4060-1-0x0000000000520000-0x00000000005BE000-memory.dmp

Filesize
632KB

Download