formbook | 49540bf783dec11edfad8cff91c53757987fa6f2c9b90af8aab6b1dd3cfc6b51

General

Target

Ordem de Compra.exe
Size

823KB
MD5

bc14d13f1d7d4299cb07aff24b039b07
SHA1

91d3595692f85beb86cbd70f89c0327c1484d423
SHA256

03f5b9544b3bb2db290e54dfe203f425374d973ac225df52a7cb29adc7998726
SHA512

85081d8863bdbaf8ea7f85f9e69f0c8ea9d7aa3c6bd3f144f421b6ef86302c6ce5a6dd96e87dc95e4b4d7e581ff969c1d98854f6d0b5963d67dcfbad9edf3a47
SSDEEP

12288:hjLGEbvQe+5cZO6OCAq2iNoRLgIRLu8lVY+96xZXgOCxAumyVnQWiEyJTwVdRDJ9:hjt1KtL3lVYpxZXgOCxJHQttTwfN

Score

10^/10

formbook fs8 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs8

Decoy

deanpalm.net

dinu-living.com

setsomegoals.com

craftyfresh.email

cleantons.com

szysjfjx.com

shestakova.info

70skinstore.com

ampletrade.ltd

cmmcwomen.group

michinoeki-taka.com

auntoni.com

huochegw.com

abovekulture.com

gzjige.com

americastandproudagain.com

hobbyhousekennels.com

1020waterviewdrive.com

5927399.com

gabipareras.net

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
behavioral1/memory/2976-17-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2976-21-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2704-27-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 2976	1048	Ordem de Compra.exe	31
PID 2976 set thread context of 1220	2976	RegSvcs.exe	21
PID 2704 set thread context of 1220	2704	svchost.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	Ordem de Compra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2976	RegSvcs.exe
2976	RegSvcs.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2976	RegSvcs.exe
2976	RegSvcs.exe
2976	RegSvcs.exe
2704	svchost.exe
2704	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	RegSvcs.exe
Token: SeDebugPrivilege	2704	svchost.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2828	1048	Ordem de Compra.exe	29
PID 1048 wrote to memory of 2828	1048	Ordem de Compra.exe	29
PID 1048 wrote to memory of 2828	1048	Ordem de Compra.exe	29
PID 1048 wrote to memory of 2828	1048	Ordem de Compra.exe	29
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1048 wrote to memory of 2976	1048	Ordem de Compra.exe	31
PID 1220 wrote to memory of 2704	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2704	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2704	1220	Explorer.EXE	32
PID 1220 wrote to memory of 2704	1220	Explorer.EXE	32
PID 2704 wrote to memory of 1676	2704	svchost.exe	33
PID 2704 wrote to memory of 1676	2704	svchost.exe	33
PID 2704 wrote to memory of 1676	2704	svchost.exe	33
PID 2704 wrote to memory of 1676	2704	svchost.exe	33

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\Ordem de Compra.exe
  "C:\Users\Admin\AppData\Local\Temp\Ordem de Compra.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HOPHHQxYRGsD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9656.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2828
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- 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:2704
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9656.tmp

Filesize
1KB

MD5
a9675f9fee46174c37ffa607a109c4f2

SHA1
3bd6e762a0bdee507af2873dcd88b31aeb63d30e

SHA256
69d4503d447ff1a78e629d98ccdce0af2da131d35c2d7669a1bf71c7310d8570

SHA512
200d4fc14dcadb182efe400c15c34828653a26daf512650d5985adf42a29e9566acf026491010f7aa845f0248e143b12e7d900c1486d362ba090ead6a27aad29

Download Submit
memory/1048-6-0x0000000004E60000-0x0000000004ECC000-memory.dmp

Filesize
432KB

Download
memory/1048-1-0x0000000000B60000-0x0000000000C34000-memory.dmp

Filesize
848KB

Download
memory/1048-3-0x00000000002D0000-0x00000000002E0000-memory.dmp

Filesize
64KB

Download
memory/1048-4-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/1048-5-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-18-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-7-0x00000000006C0000-0x00000000006F4000-memory.dmp

Filesize
208KB

Download
memory/1048-2-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/1220-28-0x0000000004E60000-0x0000000004FC3000-memory.dmp

Filesize
1.4MB

Download
memory/1220-24-0x0000000004E60000-0x0000000004FC3000-memory.dmp

Filesize
1.4MB

Download
memory/2704-27-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/2704-25-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/2704-26-0x00000000006A0000-0x00000000006A8000-memory.dmp

Filesize
32KB

Download
memory/2976-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2976-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2976-22-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/2976-19-0x00000000009C0000-0x0000000000CC3000-memory.dmp

Filesize
3.0MB

Download
memory/2976-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2976-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2976-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads