formbook | f201f5ed829e08dbd5ccb40533f26010f5c3e75134fc1da3f9ed56eec6077300

General

Target

Purchase order PO045793 from Voile Trading Co.,Ltd.exe
Size

320KB
MD5

b02fb2439cd88a5e399683f14d6d80ff
SHA1

7098d5175626c3bef989a7d0e0344158a752ebc4
SHA256

c6bed06259f7c50c2b15e8161d5b1fa11690e69a7e5bb3261202debfb7d96708
SHA512

aff2394e671e8f8b33d7bf5a4444590fb53c74a2f6bc29faf3627a467652f0d2d7f1bd22c420bd46621638ff2849c30be265b71ecce89b14f83a4d68b6cf78ba

Score

10^/10

formbook mw9 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mw9

Decoy

buyaii.com

zqdhrh.com

essentialsrefined.com

carbo-notifer.biz

cpahitr.com

westerntreasureseo.com

prowrestlingevent.com

hawthornbanksaves.com

vinhomes2.info

atriumindonesia.com

crunchinessretonation.com

masstorthedgefund.com

stroy-staleks.com

chinamarbleandtile.com

tv16878.info

hasegawa-takuma.com

cuxiaomao.com

umhhih.info

ieml.education

mwvllc.com

Signatures

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

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2272-131-0x0000000004670000-0x0000000004770000-memory.dmp	formbook
behavioral2/memory/4924-139-0x00000000008A0000-0x00000000008CD000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

Purchase order PO045793 from Voile Trading Co.,Ltd.exechkdsk.exe

description	pid	process	target process
PID 2272 set thread context of 3144	2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe	Explorer.EXE
PID 4924 set thread context of 3144	4924	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

Purchase order PO045793 from Voile Trading Co.,Ltd.exechkdsk.exe

pid	process
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe
4924	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3144 Explorer.EXE

pid	process
3144	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Purchase order PO045793 from Voile Trading Co.,Ltd.exechkdsk.exe

pid	process
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
4924	chkdsk.exe
4924	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Purchase order PO045793 from Voile Trading Co.,Ltd.exeExplorer.EXEchkdsk.exe

description	pid	process
Token: SeDebugPrivilege	2272	Purchase order PO045793 from Voile Trading Co.,Ltd.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE
Token: SeDebugPrivilege	4924	chkdsk.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Explorer.EXEchkdsk.exe

description	pid	process	target process
PID 3144 wrote to memory of 4924	3144	Explorer.EXE	chkdsk.exe
PID 3144 wrote to memory of 4924	3144	Explorer.EXE	chkdsk.exe
PID 3144 wrote to memory of 4924	3144	Explorer.EXE	chkdsk.exe
PID 4924 wrote to memory of 2560	4924	chkdsk.exe	cmd.exe
PID 4924 wrote to memory of 2560	4924	chkdsk.exe	cmd.exe
PID 4924 wrote to memory of 2560	4924	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Users\Admin\AppData\Local\Temp\Purchase order PO045793 from Voile Trading Co.,Ltd.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order PO045793 from Voile Trading Co.,Ltd.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:2272
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1316
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1404
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1424
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4692
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4664
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Purchase order PO045793 from Voile Trading Co.,Ltd.exe"
    3⤵
    PID:2560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2272-131-0x0000000004670000-0x0000000004770000-memory.dmp

Filesize
1024KB

Download
memory/2272-133-0x0000000004AD0000-0x0000000004E1A000-memory.dmp

Filesize
3.3MB

Download
memory/2272-134-0x0000000002F30000-0x0000000002F44000-memory.dmp

Filesize
80KB

Download
memory/2560-137-0x0000000000000000-mapping.dmp

Download
memory/3144-135-0x0000000002680000-0x000000000278A000-memory.dmp

Filesize
1.0MB

Download
memory/3144-142-0x0000000002790000-0x0000000002827000-memory.dmp

Filesize
604KB

Download
memory/4924-136-0x0000000000000000-mapping.dmp

Download
memory/4924-138-0x00000000002C0000-0x00000000002CA000-memory.dmp

Filesize
40KB

Download
memory/4924-140-0x0000000001080000-0x00000000013CA000-memory.dmp

Filesize
3.3MB

Download
memory/4924-139-0x00000000008A0000-0x00000000008CD000-memory.dmp

Filesize
180KB

Download
memory/4924-141-0x0000000000E20000-0x0000000000EB3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads