formbook | 05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920

General

Target

05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
Size

571KB
MD5

e2058924c6c6b95dfe0ab513fe6f03c5
SHA1

b65ed88c00f8d60a12d00886edb7e675e7971213
SHA256

05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920
SHA512

cc505b1987b6974abd4b47ca6beb0ec04c82ceb4ca1ef6d0c810b1ad680cd94f15cf8bfea3ebf6a7f47a3329b1b59463d0914863deca0ee5931d55befbf4e64c
SSDEEP

12288:y9/kf31t3YGgeiiWAXVXL+oQznkQaVYJJKkBF45sfS9i72l:jP1t3OSXVXCoQTkQNr4q6kE

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 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4460-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95

System Location Discovery: System Language Discovery 1 TTPs 1 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	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
4460	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
4460	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1736	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	94
PID 2308 wrote to memory of 1736	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	94
PID 2308 wrote to memory of 1736	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	94
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95
PID 2308 wrote to memory of 4460	2308	05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe	95

C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
"C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
  "C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe"
  2⤵
  PID:1736
- C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe
  "C:\Users\Admin\AppData\Local\Temp\05f3157ada1ddc0583e51a8602f352a8f9a4e139b6a624ee80a0e1acb7372920.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4460

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

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Downloads

memory/2308-6-0x0000000005CC0000-0x0000000005CD0000-memory.dmp

Filesize
64KB

Download
memory/2308-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2308-2-0x0000000006070000-0x0000000006614000-memory.dmp

Filesize
5.6MB

Download
memory/2308-3-0x0000000005AC0000-0x0000000005B52000-memory.dmp

Filesize
584KB

Download
memory/2308-5-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2308-4-0x0000000005A40000-0x0000000005A4A000-memory.dmp

Filesize
40KB

Download
memory/2308-1-0x0000000000FA0000-0x0000000001034000-memory.dmp

Filesize
592KB

Download
memory/2308-7-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

Filesize
4KB

Download
memory/2308-10-0x0000000009650000-0x00000000096EC000-memory.dmp

Filesize
624KB

Download
memory/2308-9-0x0000000006EC0000-0x0000000006F36000-memory.dmp

Filesize
472KB

Download
memory/2308-8-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/2308-13-0x0000000074A60000-0x0000000075210000-memory.dmp

Filesize
7.7MB

Download
memory/4460-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4460-14-0x0000000001750000-0x0000000001A9A000-memory.dmp

Filesize
3.3MB

Download

Analysis

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