formbook | d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 01:51

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General

Target

d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
Size

1.1MB
MD5

dd4c2c493ef0580e71c450fcb065cc3f
SHA1

8fa3f5a33e0a6ba97aaa97de37536368f4b15ffa
SHA256

d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8
SHA512

e9e63873f83287fc76c714b119765624f54530e44d9a65eaa015374572fe0cab8fdb74048b23f77ad2dcef0a00cb22b17a9f0d4609fa7981e98102ec0419ccca
SSDEEP

24576:5RmJkcoQricOIQxiZY1iaX5l9P8KRXFx126MRXYhV7L9j2g:WJZoQrbTFZY1iaX3x8+xAKhN97

Score

10^/10

formbook e62s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e62s

Decoy

ellinksa.shop

uckyspinph.xyz

owdark.net

arriage-therapy-72241.bond

w7ijko4rv4p97b.top

heirbuzzwords.buzz

aspart.shop

ctivemail5-kagoya-com.info

shacertification9.shop

zitcd65k3.buzz

llkosoi.info

ru8.info

rhgtrdjdjykyetrdjftd.buzz

yschoollist.kiwi

oftfolio.online

rograma-de-almacen-2.online

oudoarms.top

mwquas.xyz

orjagaucha.website

nlinechat-mh.online

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
behavioral2/memory/3872-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3872-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4100-13-0x0000000000C40000-0x0000000000C6F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 3872	4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe	83
PID 3872 set thread context of 3552	3872	svchost.exe	56
PID 4100 set thread context of 3552	4100	wlanext.exe	56

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 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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3872	svchost.exe
3872	svchost.exe
3872	svchost.exe
3872	svchost.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe
4100	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
3872	svchost.exe
3872	svchost.exe
3872	svchost.exe
4100	wlanext.exe
4100	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	svchost.exe
Token: SeDebugPrivilege	4100	wlanext.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 3872	4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe	83
PID 4440 wrote to memory of 3872	4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe	83
PID 4440 wrote to memory of 3872	4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe	83
PID 4440 wrote to memory of 3872	4440	d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe	83
PID 3552 wrote to memory of 4100	3552	Explorer.EXE	86
PID 3552 wrote to memory of 4100	3552	Explorer.EXE	86
PID 3552 wrote to memory of 4100	3552	Explorer.EXE	86
PID 4100 wrote to memory of 3852	4100	wlanext.exe	89
PID 4100 wrote to memory of 3852	4100	wlanext.exe	89
PID 4100 wrote to memory of 3852	4100	wlanext.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Users\Admin\AppData\Local\Temp\d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe
  "C:\Users\Admin\AppData\Local\Temp\d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.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:4440
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d1255266817eb3bfb16b76ff97252b059cd857fffd048db4ded59a5eca0fa0a8.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3872
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2184
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4804
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:4100
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3852

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3552-8-0x0000000007F10000-0x0000000008043000-memory.dmp

Filesize
1.2MB

Download
memory/3552-21-0x0000000002910000-0x00000000029C4000-memory.dmp

Filesize
720KB

Download
memory/3552-19-0x0000000002910000-0x00000000029C4000-memory.dmp

Filesize
720KB

Download
memory/3552-18-0x0000000002910000-0x00000000029C4000-memory.dmp

Filesize
720KB

Download
memory/3552-14-0x0000000007F10000-0x0000000008043000-memory.dmp

Filesize
1.2MB

Download
memory/3872-7-0x0000000001F70000-0x0000000001F85000-memory.dmp

Filesize
84KB

Download
memory/3872-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3872-4-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/3872-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4100-9-0x0000000000890000-0x00000000008A7000-memory.dmp

Filesize
92KB

Download
memory/4100-12-0x0000000000890000-0x00000000008A7000-memory.dmp

Filesize
92KB

Download
memory/4100-13-0x0000000000C40000-0x0000000000C6F000-memory.dmp

Filesize
188KB

Download
memory/4440-2-0x0000000003EA0000-0x00000000042A0000-memory.dmp

Filesize
4.0MB

Download