formbook | 4668453d0a5a11997010b4d6650209152cba73ef6e0c02c528f5260aef205a5f

General

Target

YBCNP6X9PSJDXqv.exe
Size

1.3MB
MD5

4dfab4ab0edef660557d063a7b787f32
SHA1

c55904a356c64da5812c07cdbc886fb64d80b2bb
SHA256

9ea19e6389c42486050f45551c33bf9d8f0b2417fc53975d97aebe477d368274
SHA512

94ca2be7e1ddd92abee498a1ccc44f7f79f14cab678faef4468000f2910b126aac2b4b423f050a78b2e03d1c7d19ec43908e49f6800b97dafe96de9d7a143489
SSDEEP

24576:c7XzodEMQ/3Q7+GOP0p2jQSM8eqIpQ916Ry/UE8izXOHtEga:cbzec3QCGd4jQB8LvocUdibOyga

Score

10^/10

formbook csn6 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

csn6

Decoy

abmppo.club

a-great-dbt-cnsldtn-uk.fyi

intellidiets.com

giventt.com

mil-pay.com

endnotesg.xyz

balconygraze.xyz

cureply.online

musicmaster.digital

animevalhalla.com

nmtoinao.xyz

origotukau8.club

environmentalindustrial.com

loredanaprofumeria.com

marilynmarilynmarilyn.com

brodysinghhukpb.com

cangguavenue.com

themagicmoose.com

teamonston.com

cumthem.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2164-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2164-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/848-23-0x0000000000170000-0x000000000019F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2124 set thread context of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2164 set thread context of 3432	2164	YBCNP6X9PSJDXqv.exe	56
PID 848 set thread context of 3432	848	netsh.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	YBCNP6X9PSJDXqv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
2124	YBCNP6X9PSJDXqv.exe
2124	YBCNP6X9PSJDXqv.exe
2124	YBCNP6X9PSJDXqv.exe
2124	YBCNP6X9PSJDXqv.exe
2124	YBCNP6X9PSJDXqv.exe
2124	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe
848	netsh.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2164	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
2164	YBCNP6X9PSJDXqv.exe
848	netsh.exe
848	netsh.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	YBCNP6X9PSJDXqv.exe
Token: SeDebugPrivilege	2164	YBCNP6X9PSJDXqv.exe
Token: SeDebugPrivilege	848	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 2124 wrote to memory of 2164	2124	YBCNP6X9PSJDXqv.exe	98
PID 3432 wrote to memory of 848	3432	Explorer.EXE	99
PID 3432 wrote to memory of 848	3432	Explorer.EXE	99
PID 3432 wrote to memory of 848	3432	Explorer.EXE	99
PID 848 wrote to memory of 956	848	netsh.exe	100
PID 848 wrote to memory of 956	848	netsh.exe	100
PID 848 wrote to memory of 956	848	netsh.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\YBCNP6X9PSJDXqv.exe
  "C:\Users\Admin\AppData\Local\Temp\YBCNP6X9PSJDXqv.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Users\Admin\AppData\Local\Temp\YBCNP6X9PSJDXqv.exe
    "C:\Users\Admin\AppData\Local\Temp\YBCNP6X9PSJDXqv.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2164
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:848
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\YBCNP6X9PSJDXqv.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:956

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/848-20-0x0000000001040000-0x000000000105E000-memory.dmp

Filesize
120KB

Download
memory/848-23-0x0000000000170000-0x000000000019F000-memory.dmp

Filesize
188KB

Download
memory/848-22-0x0000000001040000-0x000000000105E000-memory.dmp

Filesize
120KB

Download
memory/2124-7-0x0000000006340000-0x000000000638C000-memory.dmp

Filesize
304KB

Download
memory/2124-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

Filesize
5.6MB

Download
memory/2124-5-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/2124-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2124-6-0x00000000056F0000-0x0000000005700000-memory.dmp

Filesize
64KB

Download
memory/2124-8-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2124-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2124-10-0x0000000007A20000-0x0000000007ABC000-memory.dmp

Filesize
624KB

Download
memory/2124-11-0x0000000007AC0000-0x0000000007BE4000-memory.dmp

Filesize
1.1MB

Download
memory/2124-1-0x00000000005C0000-0x0000000000708000-memory.dmp

Filesize
1.3MB

Download
memory/2124-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2124-4-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2124-3-0x0000000005150000-0x00000000051E2000-memory.dmp

Filesize
584KB

Download
memory/2164-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2164-18-0x0000000001550000-0x0000000001564000-memory.dmp

Filesize
80KB

Download
memory/2164-15-0x0000000001AE0000-0x0000000001E2A000-memory.dmp

Filesize
3.3MB

Download
memory/2164-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3432-19-0x00000000024E0000-0x0000000002675000-memory.dmp

Filesize
1.6MB

Download
memory/3432-24-0x00000000024E0000-0x0000000002675000-memory.dmp

Filesize
1.6MB

Download
memory/3432-28-0x00000000088E0000-0x0000000008A29000-memory.dmp

Filesize
1.3MB

Download
memory/3432-30-0x00000000088E0000-0x0000000008A29000-memory.dmp

Filesize
1.3MB

Download
memory/3432-31-0x00000000088E0000-0x0000000008A29000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing