formbook | 439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b

General

Target

439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
Size

1.2MB
MD5

3ce1e9f82cf31e5eb477f2d3515030cb
SHA1

26cb750b98cc12303f41d56d3ce07e325cba8fc4
SHA256

439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b
SHA512

94776549e5a5f2f9afb53d07ddc954fcc66fe8b37c829750457ec283b5c87debdbfe3cc260f108bacd42bfd5947b850458532b807a9510d9c9c6ac99a917846b
SSDEEP

24576:tqDEvCTbMWu7rQYlBQcBiT6rprG8aab43wF/xE3ivuIg:tTvC/MTQYxsWR7aab43w2

Score

10^/10

formbook m50k discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m50k

Decoy

6353.club

qahzjgvuto.bond

airtransplantprice001.shop

enjamin-paaaa.buzz

ealthcare-softwares-my-de.xyz

aeempreendora.online

eaworld.website

ental-implants-spain-99823.bond

inanzcheckup.online

inematography-course-96303.bond

6325.club

wygbv.vip

onceng77gacor.xyz

arehouse-inventory-71481.bond

axihochheim.net

afeteraschile.today

gcq712.top

eonbets-zerkalo-vkhod-wout.buzz

mpathwaycounseling.net

b-0107.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2976-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2976-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2400-20-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 2976 set thread context of 1212	2976	svchost.exe	21
PID 2400 set thread context of 1212	2400	chkdsk.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	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2976	svchost.exe
2976	svchost.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe
2400	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
2976	svchost.exe
2976	svchost.exe
2976	svchost.exe
2400	chkdsk.exe
2400	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2976	svchost.exe
Token: SeDebugPrivilege	2400	chkdsk.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 2532 wrote to memory of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 2532 wrote to memory of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 2532 wrote to memory of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 2532 wrote to memory of 2976	2532	439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe	30
PID 1212 wrote to memory of 2400	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2400	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2400	1212	Explorer.EXE	31
PID 1212 wrote to memory of 2400	1212	Explorer.EXE	31
PID 2400 wrote to memory of 304	2400	chkdsk.exe	32
PID 2400 wrote to memory of 304	2400	chkdsk.exe	32
PID 2400 wrote to memory of 304	2400	chkdsk.exe	32
PID 2400 wrote to memory of 304	2400	chkdsk.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe
  "C:\Users\Admin\AppData\Local\Temp\439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\439578a2a659ff6245814e2e4306dca997a267a175f95bd8501ccfdc4bca3e3b.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2976
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

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/1212-17-0x00000000066C0000-0x000000000681E000-memory.dmp

Filesize
1.4MB

Download
memory/1212-30-0x0000000007690000-0x00000000077F0000-memory.dmp

Filesize
1.4MB

Download
memory/1212-28-0x0000000007690000-0x00000000077F0000-memory.dmp

Filesize
1.4MB

Download
memory/1212-27-0x0000000007690000-0x00000000077F0000-memory.dmp

Filesize
1.4MB

Download
memory/1212-21-0x00000000066C0000-0x000000000681E000-memory.dmp

Filesize
1.4MB

Download
memory/2400-18-0x0000000000330000-0x0000000000337000-memory.dmp

Filesize
28KB

Download
memory/2400-19-0x0000000000330000-0x0000000000337000-memory.dmp

Filesize
28KB

Download
memory/2400-20-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2532-11-0x00000000000F0000-0x00000000000F4000-memory.dmp

Filesize
16KB

Download
memory/2976-16-0x0000000000160000-0x0000000000174000-memory.dmp

Filesize
80KB

Download
memory/2976-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2976-13-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download
memory/2976-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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