formbook | 8c41a444478b203f5df1d1f74609057c499e885fe6050a8bd1cf5f0743ab6cee

General

Target

8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe
Size

1.1MB
MD5

47707710ceef8190cd4cd7e4fd28591b
SHA1

a3e81115d9e6f3927de11aefe377fc5d1ee85854
SHA256

8c41a444478b203f5df1d1f74609057c499e885fe6050a8bd1cf5f0743ab6cee
SHA512

3b2a2a7401219a9fb817a41ee3077d6caa01a4d9de2cbb0af1cd49059d974c4a4f6f5c93f4142b1c035fc31eeb60f8470664679c5f66770d6a314315596e16c6
SSDEEP

24576:7qDEvCTbMWu7rQYlBQcBiT6rprG8aHTZAwh3bYn:7TvC/MTQYxsWR7aHtAg

Score

10^/10

formbook ba94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba94

Decoy

dxtra.shop

upfromhere-eventsdecor.com

blacksevenkoeln.shop

pcboards2024.xyz

posteo.lol

naservus.com

pivotance.com

90ans.com

ebenezer-remodeling.com

reddragondao.com

gspotshop.com

thesiamesebetta.biz

rrdhq.com

greenislandservices.info

prismotrov.com

elaqbh.shop

sosenfantscovidlong.com

elmsolarsavings.com

sol-casino-2023.club

sharecroipper.top

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2556-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2556-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2752-25-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 2556 set thread context of 1192	2556	svchost.exe	21
PID 2556 set thread context of 1192	2556	svchost.exe	21
PID 2752 set thread context of 1192	2752	svchost.exe	21

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	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2556	svchost.exe
2556	svchost.exe
2556	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe
2752	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe
2556	svchost.exe
2556	svchost.exe
2556	svchost.exe
2556	svchost.exe
2752	svchost.exe
2752	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2556	svchost.exe
Token: SeDebugPrivilege	2752	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 2688 wrote to memory of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 2688 wrote to memory of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 2688 wrote to memory of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 2688 wrote to memory of 2556	2688	8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe	30
PID 1192 wrote to memory of 2752	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2752	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2752	1192	Explorer.EXE	32
PID 1192 wrote to memory of 2752	1192	Explorer.EXE	32
PID 2752 wrote to memory of 2876	2752	svchost.exe	33
PID 2752 wrote to memory of 2876	2752	svchost.exe	33
PID 2752 wrote to memory of 2876	2752	svchost.exe	33
PID 2752 wrote to memory of 2876	2752	svchost.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe
  "C:\Users\Admin\AppData\Local\Temp\8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2688
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\8C41A444478B203F5DF1D1F74609057C499E885FE6050A8BD1CF5F0743AB6CEE.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2556
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:2752
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2876

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/1192-17-0x0000000006FC0000-0x000000000711B000-memory.dmp

Filesize
1.4MB

Download
memory/1192-28-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1192-26-0x00000000077A0000-0x00000000078E9000-memory.dmp

Filesize
1.3MB

Download
memory/1192-21-0x0000000006FC0000-0x000000000711B000-memory.dmp

Filesize
1.4MB

Download
memory/1192-22-0x00000000077A0000-0x00000000078E9000-memory.dmp

Filesize
1.3MB

Download
memory/1192-16-0x00000000003F0000-0x00000000004F0000-memory.dmp

Filesize
1024KB

Download
memory/2556-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-15-0x00000000001B0000-0x00000000001C5000-memory.dmp

Filesize
84KB

Download
memory/2556-20-0x0000000000270000-0x0000000000285000-memory.dmp

Filesize
84KB

Download
memory/2556-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-12-0x00000000007A0000-0x0000000000AA3000-memory.dmp

Filesize
3.0MB

Download
memory/2556-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2688-10-0x0000000000900000-0x0000000000904000-memory.dmp

Filesize
16KB

Download
memory/2752-24-0x0000000000600000-0x0000000000608000-memory.dmp

Filesize
32KB

Download
memory/2752-23-0x0000000000600000-0x0000000000608000-memory.dmp

Filesize
32KB

Download
memory/2752-25-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing