formbook | 80c6293d18c38b686ea6ab60d134247f8d72553be2d20a305b94c78115227667

Analysis

max time kernel
146s
max time network
132s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13/04/2023, 13:42

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General

Target

NUEVA ORDEN DE COMPRA.exe
Size

596KB
MD5

1f64d20ee12dd6ce045decfcee3207ce
SHA1

81ae1f4b15dc5100391851f2e9fc2390588b5f46
SHA256

80c6293d18c38b686ea6ab60d134247f8d72553be2d20a305b94c78115227667
SHA512

8422396ee0784ca38c48b0b9af272567d19c03e97dc3d61d4c80d95749852a3b28005d02a1303bff481563736dbcfeb81f1f439130ec4463634a36389ea19978
SSDEEP

12288:2+QBzis4GSpgQIpjcwKdxAxMc++sdkzYSraEsl:2+YisgjwMdyxy+ckzDratl

Score

10^/10

formbook cy01 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cy01

Decoy

beauty-clean.site

funsellers.shop

digichatbox.com

greenleafpestsvcs.com

getcashs.shop

jessbenitez.net

bridgeworksmotcentre.co.uk

chorusmobile.africa

kiralayolla.com

ft-vip.club

fromlearnerstoimpacters.com

baldwinaesthetics.com

legacyfinehomescb.com

adnaturaltours.com

hzdingyushangwu.com

brinkworthchurch.co.uk

statesurvival.net

beingabroad.store

gmkmc.com

toubra.africa

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/604-71-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/520-72-0x0000000002760000-0x00000000027A0000-memory.dmp	formbook
behavioral1/memory/604-80-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1020-82-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook
behavioral1/memory/1020-84-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 604 set thread context of 1248	604	RegSvcs.exe	15
PID 1020 set thread context of 1248	1020	wininit.exe	15

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2040	NUEVA ORDEN DE COMPRA.exe
2040	NUEVA ORDEN DE COMPRA.exe
2040	NUEVA ORDEN DE COMPRA.exe
2040	NUEVA ORDEN DE COMPRA.exe
520	powershell.exe
604	RegSvcs.exe
604	RegSvcs.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe
1020	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
604	RegSvcs.exe
604	RegSvcs.exe
604	RegSvcs.exe
1020	wininit.exe
1020	wininit.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	NUEVA ORDEN DE COMPRA.exe
Token: SeDebugPrivilege	520	powershell.exe
Token: SeDebugPrivilege	604	RegSvcs.exe
Token: SeDebugPrivilege	1020	wininit.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 520	2040	NUEVA ORDEN DE COMPRA.exe	28
PID 2040 wrote to memory of 520	2040	NUEVA ORDEN DE COMPRA.exe	28
PID 2040 wrote to memory of 520	2040	NUEVA ORDEN DE COMPRA.exe	28
PID 2040 wrote to memory of 520	2040	NUEVA ORDEN DE COMPRA.exe	28
PID 2040 wrote to memory of 1700	2040	NUEVA ORDEN DE COMPRA.exe	30
PID 2040 wrote to memory of 1700	2040	NUEVA ORDEN DE COMPRA.exe	30
PID 2040 wrote to memory of 1700	2040	NUEVA ORDEN DE COMPRA.exe	30
PID 2040 wrote to memory of 1700	2040	NUEVA ORDEN DE COMPRA.exe	30
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 2036	2040	NUEVA ORDEN DE COMPRA.exe	32
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 2040 wrote to memory of 604	2040	NUEVA ORDEN DE COMPRA.exe	33
PID 1248 wrote to memory of 1020	1248	Explorer.EXE	34
PID 1248 wrote to memory of 1020	1248	Explorer.EXE	34
PID 1248 wrote to memory of 1020	1248	Explorer.EXE	34
PID 1248 wrote to memory of 1020	1248	Explorer.EXE	34
PID 1020 wrote to memory of 1464	1020	wininit.exe	35
PID 1020 wrote to memory of 1464	1020	wininit.exe	35
PID 1020 wrote to memory of 1464	1020	wininit.exe	35
PID 1020 wrote to memory of 1464	1020	wininit.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\NUEVA ORDEN DE COMPRA.exe
  "C:\Users\Admin\AppData\Local\Temp\NUEVA ORDEN DE COMPRA.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rXwmTX.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:520
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rXwmTX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC801.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2036
- - 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:604
- C:\Windows\SysWOW64\wininit.exe
  "C:\Windows\SysWOW64\wininit.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC801.tmp

Filesize
1KB

MD5
9ea80edecbfd3002e3606987a0b2748b

SHA1
c56c5fa5c86f7f9ec251b4e7268a0b43c11ec600

SHA256
697b4c4c7a05a3f68993bb337d60f8cd5b91b84dcd0aabb60e9196abe76abdf7

SHA512
5435502ec10e3ce509afc97968d67a8045d8993523351fa96bca1f524e3ea93597a66f7df0ab4bb7fadb6835062dc650613f5cb1ebf7dd84eb675886245a903b

Download Submit
memory/520-73-0x0000000002760000-0x00000000027A0000-memory.dmp

Filesize
256KB

Download
memory/520-72-0x0000000002760000-0x00000000027A0000-memory.dmp

Filesize
256KB

Download
memory/604-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-77-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/604-69-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/604-71-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/604-76-0x0000000000160000-0x0000000000175000-memory.dmp

Filesize
84KB

Download
memory/1020-82-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1020-81-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download
memory/1020-83-0x0000000001FD0000-0x00000000022D3000-memory.dmp

Filesize
3.0MB

Download
memory/1020-79-0x00000000005C0000-0x00000000005DA000-memory.dmp

Filesize
104KB

Download
memory/1020-84-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1020-86-0x0000000001D60000-0x0000000001DF4000-memory.dmp

Filesize
592KB

Download
memory/1248-75-0x0000000003910000-0x0000000003A10000-memory.dmp

Filesize
1024KB

Download
memory/1248-78-0x0000000006410000-0x00000000064EA000-memory.dmp

Filesize
872KB

Download
memory/1248-87-0x00000000078B0000-0x0000000007A2F000-memory.dmp

Filesize
1.5MB

Download
memory/1248-88-0x00000000078B0000-0x0000000007A2F000-memory.dmp

Filesize
1.5MB

Download
memory/1248-90-0x00000000078B0000-0x0000000007A2F000-memory.dmp

Filesize
1.5MB

Download
memory/2040-54-0x00000000012A0000-0x000000000133C000-memory.dmp

Filesize
624KB

Download
memory/2040-67-0x0000000001180000-0x00000000011C0000-memory.dmp

Filesize
256KB

Download
memory/2040-59-0x0000000005500000-0x000000000557A000-memory.dmp

Filesize
488KB

Download
memory/2040-58-0x0000000000480000-0x000000000048C000-memory.dmp

Filesize
48KB

Download
memory/2040-57-0x0000000004E80000-0x0000000004EC0000-memory.dmp

Filesize
256KB

Download
memory/2040-56-0x0000000000460000-0x000000000046C000-memory.dmp

Filesize
48KB

Download
memory/2040-55-0x0000000004E80000-0x0000000004EC0000-memory.dmp

Filesize
256KB

Download