formbook | e171a6d388f4cd1e2051d0f29b720c84a52876a3208af1824e9b634c2117b4ee

General

Target

LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
Size

1.0MB
MD5

6febb30bdf76d3c49b5dbfbb383c722a
SHA1

80bf8a349e3fcc290bed8b2e371e3f530f09ead4
SHA256

e171a6d388f4cd1e2051d0f29b720c84a52876a3208af1824e9b634c2117b4ee
SHA512

8f4728cf9aa371702934f9225d6c3ed74a0cbb762d22e6914a39a2cec8102a97a26382133b0116b2c9fce8d09ad35de8e61bd7aadad1af0d091a6b980791f4f3
SSDEEP

24576:YAHnh+eWsN3skA4RV1Hom2KXMmHapDXeClYMJLj5:fh+ZkldoPK8YapzpR

Score

10^/10

formbook rn94 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

rn94

Decoy

st68v.xyz

conciergenotary.net

qwechaotk.top

rtpdonatoto29.xyz

8ad.xyz

powermove.top

cameras-30514.bond

vanguardcoffee.shop

umoe53fxc1bsujv.buzz

consultoriamax.net

hplxx.com

ndu.wtf

yzh478c.xyz

bigbrown999.site

xiake07.asia

resdai.xyz

the35678.shop

ba6rf.rest

ceo688.com

phimxhot.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/1324-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1324-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1324-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2404 set thread context of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 1324 set thread context of 1216	1324	svchost.exe	21
PID 1324 set thread context of 1216	1324	svchost.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1164	3068	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1324	svchost.exe
1324	svchost.exe
1324	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1216	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
1324	svchost.exe
1324	svchost.exe
1324	svchost.exe
1324	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	svchost.exe
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
1216	Explorer.EXE
1216	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 2404 wrote to memory of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 2404 wrote to memory of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 2404 wrote to memory of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 2404 wrote to memory of 1324	2404	LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe	28
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 1216 wrote to memory of 3068	1216	Explorer.EXE	30
PID 3068 wrote to memory of 1164	3068	msiexec.exe	31
PID 3068 wrote to memory of 1164	3068	msiexec.exe	31
PID 3068 wrote to memory of 1164	3068	msiexec.exe	31
PID 3068 wrote to memory of 1164	3068	msiexec.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe
  "C:\Users\Admin\AppData\Local\Temp\LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.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:2404
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\LYONSOFT, COOP.V. - Envío orden 240187 fecha 02-09-2024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1324
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:776
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 268
    3⤵
    - Program crash
    PID:1164

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/1216-17-0x0000000004F00000-0x0000000004FE2000-memory.dmp

Filesize
904KB

Download
memory/1216-27-0x0000000004CF0000-0x0000000004DBD000-memory.dmp

Filesize
820KB

Download
memory/1216-22-0x0000000004F00000-0x0000000004FE2000-memory.dmp

Filesize
904KB

Download
memory/1216-21-0x0000000004CF0000-0x0000000004DBD000-memory.dmp

Filesize
820KB

Download
memory/1324-16-0x0000000000210000-0x0000000000225000-memory.dmp

Filesize
84KB

Download
memory/1324-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1324-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1324-20-0x0000000000250000-0x0000000000265000-memory.dmp

Filesize
84KB

Download
memory/1324-13-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1324-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2404-11-0x0000000000780000-0x0000000000784000-memory.dmp

Filesize
16KB

Download
memory/3068-24-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/3068-23-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download
memory/3068-26-0x0000000000270000-0x0000000000284000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing