formbook | 925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 11:27

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General

Target

925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
Size

1.0MB
MD5

3f3764a227cbaa066e1cfd4cf58e0d95
SHA1

9505108a970f6c56eebae861774889513058a333
SHA256

925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b
SHA512

c449793821e7bc88f7e3dd7e78db88f33d0f40c3b60d7f224a69700fb4bcfd6f3336f22891c8e776e0b333e983f94756395354e82c9bed36148f21bd4235e642
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaAHZVYzdb8qASJN7ChaNKuY:pJZoQrbTFZY1iaAHZVYBxG

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 2 IoCs

rat

resource	yara_rule
behavioral2/memory/2124-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2228-9-0x0000000000A30000-0x0000000000A5F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3432 set thread context of 2124	3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 2124 set thread context of 3396	2124	svchost.exe	56
PID 2228 set thread context of 3396	2228	cmstp.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	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe
2228	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
2228	cmstp.exe
2228	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	svchost.exe
Token: SeDebugPrivilege	2228	cmstp.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 2124	3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 3432 wrote to memory of 2124	3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 3432 wrote to memory of 2124	3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 3432 wrote to memory of 2124	3432	925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe	86
PID 3396 wrote to memory of 2228	3396	Explorer.EXE	87
PID 3396 wrote to memory of 2228	3396	Explorer.EXE	87
PID 3396 wrote to memory of 2228	3396	Explorer.EXE	87
PID 2228 wrote to memory of 1552	2228	cmstp.exe	88
PID 2228 wrote to memory of 1552	2228	cmstp.exe	88
PID 2228 wrote to memory of 1552	2228	cmstp.exe	88

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe
  "C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.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:3432
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\925d17bb04595884ea9ff7ef56ea7edcafd167ebbb9d24f6b9afef8816eb990b.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2124
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2228
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1552

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/2124-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2124-4-0x00007FF947ED0000-0x00007FF9480C5000-memory.dmp

Filesize
2.0MB

Download
memory/2228-7-0x00000000006A0000-0x00000000006B6000-memory.dmp

Filesize
88KB

Download
memory/2228-8-0x00000000006A0000-0x00000000006B6000-memory.dmp

Filesize
88KB

Download
memory/2228-9-0x0000000000A30000-0x0000000000A5F000-memory.dmp

Filesize
188KB

Download
memory/3396-6-0x00000000081D0000-0x0000000008379000-memory.dmp

Filesize
1.7MB

Download
memory/3396-10-0x00000000081D0000-0x0000000008379000-memory.dmp

Filesize
1.7MB

Download
memory/3396-14-0x0000000008820000-0x000000000898F000-memory.dmp

Filesize
1.4MB

Download
memory/3396-15-0x0000000008820000-0x000000000898F000-memory.dmp

Filesize
1.4MB

Download
memory/3396-17-0x0000000008820000-0x000000000898F000-memory.dmp

Filesize
1.4MB

Download
memory/3432-2-0x00007FF947ED0000-0x00007FF9480C5000-memory.dmp

Filesize
2.0MB

Download