formbook | 9c04d567492659d7a5344a9a64fe79f93d7b2063a9e6a1f21068023bd4f96af0

Analysis

max time kernel
147s
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
09/01/2025, 08:39

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General

Target

sssddhhing.exe
Size

1.3MB
MD5

17374c7c08d5a0bc971e2988f2364c8c
SHA1

dc9fd0ec4c80aadd53b77c3d920e0dc2c6b192ce
SHA256

397015a1428f2ee24e69d670f97b98f744039041eaea4e9836a27b01ce96b793
SHA512

54ffdd249cf89082816038e26cb2dce60397965a7e9ce4222488b93f3b1762d2aee9cfbf3b952aaaa5871ddf34ed4a2067b03d1a0e0fd966f2dd7f4a7318af00
SSDEEP

24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8adaxlGbI5d5tRp2FpiLYtul:ATvC/MTQYxsWR7adaXt2jwx

Score

10^/10

formbook a02d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2388-3-0x00000000001C0000-0x00000000001EF000-memory.dmp	formbook
behavioral2/memory/2388-7-0x00000000001C0000-0x00000000001EF000-memory.dmp	formbook
behavioral2/memory/4956-13-0x0000000000830000-0x000000000085F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 2388	2432	sssddhhing.exe	83
PID 2388 set thread context of 3460	2388	svchost.exe	56
PID 4956 set thread context of 3460	4956	svchost.exe	56

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	sssddhhing.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2388	svchost.exe
2388	svchost.exe
2388	svchost.exe
2388	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe
4956	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2432	sssddhhing.exe
2432	sssddhhing.exe
2388	svchost.exe
2388	svchost.exe
2388	svchost.exe
4956	svchost.exe
4956	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2388	svchost.exe
Token: SeDebugPrivilege	4956	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2432	sssddhhing.exe
2432	sssddhhing.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2432	sssddhhing.exe
2432	sssddhhing.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2388	2432	sssddhhing.exe	83
PID 2432 wrote to memory of 2388	2432	sssddhhing.exe	83
PID 2432 wrote to memory of 2388	2432	sssddhhing.exe	83
PID 2432 wrote to memory of 2388	2432	sssddhhing.exe	83
PID 3460 wrote to memory of 4956	3460	Explorer.EXE	84
PID 3460 wrote to memory of 4956	3460	Explorer.EXE	84
PID 3460 wrote to memory of 4956	3460	Explorer.EXE	84
PID 4956 wrote to memory of 4796	4956	svchost.exe	86
PID 4956 wrote to memory of 4796	4956	svchost.exe	86
PID 4956 wrote to memory of 4796	4956	svchost.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\sssddhhing.exe
  "C:\Users\Admin\AppData\Local\Temp\sssddhhing.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:2432
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\sssddhhing.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2388
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.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:4956
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2388-3-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download
memory/2388-6-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/2388-8-0x00000000012E0000-0x00000000012F4000-memory.dmp

Filesize
80KB

Download
memory/2388-7-0x00000000001C0000-0x00000000001EF000-memory.dmp

Filesize
188KB

Download
memory/2432-2-0x0000000001360000-0x0000000001760000-memory.dmp

Filesize
4.0MB

Download
memory/3460-9-0x0000000003070000-0x00000000031DE000-memory.dmp

Filesize
1.4MB

Download
memory/3460-14-0x0000000003070000-0x00000000031DE000-memory.dmp

Filesize
1.4MB

Download
memory/3460-16-0x0000000008750000-0x000000000889D000-memory.dmp

Filesize
1.3MB

Download
memory/3460-17-0x0000000008750000-0x000000000889D000-memory.dmp

Filesize
1.3MB

Download
memory/4956-10-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/4956-12-0x00000000002F0000-0x00000000002FE000-memory.dmp

Filesize
56KB

Download
memory/4956-13-0x0000000000830000-0x000000000085F000-memory.dmp

Filesize
188KB

Download