formbook | 85cfb27c1f41ca28327555ee08e6bb6c526b74e70ce9bea10c5cec323a803087

General

Target

LIST.KGR.exe
Size

1006KB
MD5

00d7d51c1413e31915bc88c2446fabbb
SHA1

1275c5ab9d88eddbd81b551e41a5adf6b37bc91b
SHA256

066f116d202e07ae5e071401ab6333a546610277142b1d594d93aec47ba062c0
SHA512

7a0cbd6d1268db28fa4a841e0979d1f81ea0a8cd7dd2faa73d6f4c4e792b264e11ea4e8d515a1e1da3ebcff2edcc2f102c5d485da6a55fc196a252c55fc7f70b
SSDEEP

12288:cooFTORNvmBwwKovHK7zre0dRl00yqPc7g8heByFfKaaMomSa3riI5WX9lkOEX:+NE20vyJ7FfXoQOI5OMOEX

Score

10^/10

formbook bkbk discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bkbk

Decoy

myzshouse.com

elimabd.com

iandiphoto.com

k9yhf.com

lalaandthelight.com

spearteam6.com

tdv29mayiskoleji.net

senthamizholi.com

toprooferelpaso.com

homegraphicdesign.com

formas-de-ganar-dinero.online

psgvsfreelive.com

xclusivedispatch.com

qdhizwlti.icu

hananomi24.com

seikobaby.com

cursosinemlinea.com

vintage-transport.com

billings-identify.com

simplepartyplanning.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/3084-13-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/3084-18-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4308 set thread context of 3084	4308	LIST.KGR.exe	100
PID 3084 set thread context of 3440	3084	LIST.KGR.exe	56
PID 2688 set thread context of 3440	2688	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	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LIST.KGR.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4308	LIST.KGR.exe
4308	LIST.KGR.exe
3084	LIST.KGR.exe
3084	LIST.KGR.exe
3084	LIST.KGR.exe
3084	LIST.KGR.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe
2688	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3084	LIST.KGR.exe
3084	LIST.KGR.exe
3084	LIST.KGR.exe
2688	cscript.exe
2688	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	LIST.KGR.exe
Token: SeDebugPrivilege	3084	LIST.KGR.exe
Token: SeDebugPrivilege	2688	cscript.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 3980	4308	LIST.KGR.exe	99
PID 4308 wrote to memory of 3980	4308	LIST.KGR.exe	99
PID 4308 wrote to memory of 3980	4308	LIST.KGR.exe	99
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 4308 wrote to memory of 3084	4308	LIST.KGR.exe	100
PID 3440 wrote to memory of 2688	3440	Explorer.EXE	101
PID 3440 wrote to memory of 2688	3440	Explorer.EXE	101
PID 3440 wrote to memory of 2688	3440	Explorer.EXE	101
PID 2688 wrote to memory of 4628	2688	cscript.exe	102
PID 2688 wrote to memory of 4628	2688	cscript.exe	102
PID 2688 wrote to memory of 4628	2688	cscript.exe	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe
  "C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4308
- - C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe
    "C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe"
    3⤵
    PID:3980
- - C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe
    "C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3084
- 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:2688
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\LIST.KGR.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2688-21-0x0000000000190000-0x00000000001B7000-memory.dmp

Filesize
156KB

Download
memory/2688-22-0x0000000000190000-0x00000000001B7000-memory.dmp

Filesize
156KB

Download
memory/3084-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3084-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3084-19-0x00000000019E0000-0x00000000019F4000-memory.dmp

Filesize
80KB

Download
memory/3084-16-0x0000000001A40000-0x0000000001D8A000-memory.dmp

Filesize
3.3MB

Download
memory/3440-30-0x0000000009020000-0x0000000009150000-memory.dmp

Filesize
1.2MB

Download
memory/3440-28-0x0000000009020000-0x0000000009150000-memory.dmp

Filesize
1.2MB

Download
memory/3440-27-0x0000000009020000-0x0000000009150000-memory.dmp

Filesize
1.2MB

Download
memory/3440-23-0x00000000031C0000-0x000000000327A000-memory.dmp

Filesize
744KB

Download
memory/3440-20-0x00000000031C0000-0x000000000327A000-memory.dmp

Filesize
744KB

Download
memory/4308-6-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4308-7-0x0000000005CB0000-0x0000000005D06000-memory.dmp

Filesize
344KB

Download
memory/4308-11-0x00000000071B0000-0x0000000007252000-memory.dmp

Filesize
648KB

Download
memory/4308-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4308-10-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4308-9-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/4308-8-0x0000000006070000-0x0000000006086000-memory.dmp

Filesize
88KB

Download
memory/4308-12-0x0000000009D20000-0x0000000009D54000-memory.dmp

Filesize
208KB

Download
memory/4308-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

Filesize
4KB

Download
memory/4308-5-0x0000000005B80000-0x0000000005B8A000-memory.dmp

Filesize
40KB

Download
memory/4308-4-0x0000000005C10000-0x0000000005CA2000-memory.dmp

Filesize
584KB

Download
memory/4308-3-0x0000000006120000-0x00000000066C4000-memory.dmp

Filesize
5.6MB

Download
memory/4308-2-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

Filesize
624KB

Download
memory/4308-1-0x0000000000FE0000-0x00000000010E2000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing