formbook | e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233

Analysis

max time kernel
148s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 09:31

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General

Target

e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe
Size

1.3MB
MD5

64f471fde16292a009e36bf0d6a9d096
SHA1

db9671b53ee496c1b2c42f3e91f608ec9af55061
SHA256

e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233
SHA512

ff1b8c1a9a682cc8942aca1ec8227b9df78a7b86fd19f9eff3f52550d2b68a581f0c9ac12cd384990dc030b8623b70dd808914cb886ee0987b8eaae34b79333e
SSDEEP

24576:gqDEvCTbMWu7rQYlBQcBiT6rprG8amryWbwoj0DrUs2CHoe:gTvC/MTQYxsWR7am2WE7+CH

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4216-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4216-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4216-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2704-17-0x00000000004C0000-0x00000000004EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 748 set thread context of 4216	748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe	84
PID 4216 set thread context of 3408	4216	svchost.exe	56
PID 4216 set thread context of 3408	4216	svchost.exe	56
PID 2704 set thread context of 3408	2704	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe
2704	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
4216	svchost.exe
2704	svchost.exe
2704	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	svchost.exe
Token: SeDebugPrivilege	2704	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe
748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe
748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 4216	748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe	84
PID 748 wrote to memory of 4216	748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe	84
PID 748 wrote to memory of 4216	748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe	84
PID 748 wrote to memory of 4216	748	e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe	84
PID 3408 wrote to memory of 2704	3408	Explorer.EXE	87
PID 3408 wrote to memory of 2704	3408	Explorer.EXE	87
PID 3408 wrote to memory of 2704	3408	Explorer.EXE	87
PID 2704 wrote to memory of 2320	2704	svchost.exe	90
PID 2704 wrote to memory of 2320	2704	svchost.exe	90
PID 2704 wrote to memory of 2320	2704	svchost.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe
  "C:\Users\Admin\AppData\Local\Temp\e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.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:748
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e72ec7940eefc32cbb4e9361ccf0ccd56d918514227dd535e2ca501589c70233.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4216
- 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:2704
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2320

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

Replay Monitor

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Downloads

memory/748-2-0x0000000000DB0000-0x00000000011B0000-memory.dmp

Filesize
4.0MB

Download
memory/2704-14-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/2704-17-0x00000000004C0000-0x00000000004EF000-memory.dmp

Filesize
188KB

Download
memory/2704-16-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/3408-24-0x0000000008E80000-0x0000000008F66000-memory.dmp

Filesize
920KB

Download
memory/3408-23-0x0000000008E80000-0x0000000008F66000-memory.dmp

Filesize
920KB

Download
memory/3408-21-0x0000000008E80000-0x0000000008F66000-memory.dmp

Filesize
920KB

Download
memory/3408-8-0x0000000003330000-0x0000000003479000-memory.dmp

Filesize
1.3MB

Download
memory/3408-12-0x00000000086C0000-0x00000000087D7000-memory.dmp

Filesize
1.1MB

Download
memory/3408-18-0x00000000086C0000-0x00000000087D7000-memory.dmp

Filesize
1.1MB

Download
memory/3408-13-0x0000000003330000-0x0000000003479000-memory.dmp

Filesize
1.3MB

Download
memory/4216-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4216-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4216-11-0x0000000000DD0000-0x0000000000DE4000-memory.dmp

Filesize
80KB

Download
memory/4216-7-0x0000000000D70000-0x0000000000D84000-memory.dmp

Filesize
80KB

Download
memory/4216-4-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/4216-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download