formbook | 33779a75da1af9c5f45112370d3dbd803e86fc7b88bc5a1f43a7b76fc9d887ab

Analysis

max time kernel
148s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 07:03

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General

Target
PR_Form_20240809_145815.exe
Size 633KB
Sample240811-hvb9dateja
SHA256 33779a75da1af9c5f45112370d3dbd803e86fc7b88bc5a1f43a7b76fc9d887ab
MD5 8431df429e82a311e33fe085f3b419c0
SHA1 0358de41f691dc3ead6aeeadb0313f867a497167
SHA512 e8bc2de8a2e62a62dc6b7e5501cbb8eb36722a231542f6b4c631312b39c7c87c8f279291cf9988410dd2e89a746628960c55bef7f529a924422b6863ab048c52
SSDEEP 12288:2zPAiSeURm5gpmNU4EGET0aisK0HeSrEXSI+nhtVj4wJxNJJXlCALkR:2zPAOUegga4BkhNrHeSrUSIktVjVJv7c
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

sy52

Decoy

wxxj.asia
emu-oil.online
theprogressiontalks.com
saigonvape.com
cb257.pro
inucana.com
xn--pdr89n.vip
vtc.bzh
connexionsink.com
mastersofthevibes.com
mallsetuae.shop
bellaandbling.com
wagi88.one
273618.bid
japanvietnam-mall.com
lkd1t.rest
oflgjgiq.xyz
calliblography.com
idz8u.vip
marrybears.com
y7fzd3.com
xiaojuanzhang.net
bizconverge.com
videoelevate.com
kaliventures.net
vitamineseo.com
wispsa.xyz
wacreans.xyz
vibrancerisk.com
aheryth-bijoux.com
roofingplainfield.com
vrmu.asia
om0ve.rest
pknymayorsball.com
antonioshove.com
noblesageapothecary.com
fee067.shop
aity271.com
thecdljobcast.com
kewpieland.com
wasitopen.com
owpg.online
livinghopelactation.shop
data-analysis-cl.autos
wxxj.asia
99858.photos
usex.fun
ghherdretdhrt.xyz
castelaimoveis.store
rudoen677j.xyz
bos717selalu.shop
mimin-ovo777.info
hylbywb14.xyz
smart25.xyz
3658kf.com
luceroropehorses.com
truckcrashconsultants.com
mdnry.com
onlinegrowthnetwork.com
fdykykzk.xyz
www461bb.vip
bondwellfit.com
usex.fun
hbnv.xyz
adgenvni.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/1964-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1964-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2944-23-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2720	powershell.exe

Deletes itself 1 IoCs

pid	Process
2676	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 1964	2536	PR_Form_20240809_145815.exe	33
PID 1964 set thread context of 1216	1964	PR_Form_20240809_145815.exe	21
PID 2944 set thread context of 1216	2944	NAPSTAT.EXE	21

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 4 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	NAPSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PR_Form_20240809_145815.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2536	PR_Form_20240809_145815.exe
2536	PR_Form_20240809_145815.exe
2536	PR_Form_20240809_145815.exe
1964	PR_Form_20240809_145815.exe
1964	PR_Form_20240809_145815.exe
2720	powershell.exe
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1964	PR_Form_20240809_145815.exe
1964	PR_Form_20240809_145815.exe
1964	PR_Form_20240809_145815.exe
2944	NAPSTAT.EXE
2944	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	PR_Form_20240809_145815.exe
Token: SeDebugPrivilege	1964	PR_Form_20240809_145815.exe
Token: SeDebugPrivilege	2720	powershell.exe
Token: SeDebugPrivilege	2944	NAPSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2720	2536	PR_Form_20240809_145815.exe	31
PID 2536 wrote to memory of 2720	2536	PR_Form_20240809_145815.exe	31
PID 2536 wrote to memory of 2720	2536	PR_Form_20240809_145815.exe	31
PID 2536 wrote to memory of 2720	2536	PR_Form_20240809_145815.exe	31
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 2536 wrote to memory of 1964	2536	PR_Form_20240809_145815.exe	33
PID 1216 wrote to memory of 2944	1216	Explorer.EXE	34
PID 1216 wrote to memory of 2944	1216	Explorer.EXE	34
PID 1216 wrote to memory of 2944	1216	Explorer.EXE	34
PID 1216 wrote to memory of 2944	1216	Explorer.EXE	34
PID 2944 wrote to memory of 2676	2944	NAPSTAT.EXE	35
PID 2944 wrote to memory of 2676	2944	NAPSTAT.EXE	35
PID 2944 wrote to memory of 2676	2944	NAPSTAT.EXE	35
PID 2944 wrote to memory of 2676	2944	NAPSTAT.EXE	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe
  "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2720
- - C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe
    "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1964
- C:\Windows\SysWOW64\NAPSTAT.EXE
  "C:\Windows\SysWOW64\NAPSTAT.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:2944
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PR_Form_20240809_145815.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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/1216-18-0x0000000004E90000-0x0000000004FB7000-memory.dmp

Download

memory/1216-26-0x0000000004E90000-0x0000000004FB7000-memory.dmp

Download

memory/1964-17-0x0000000000220000-0x0000000000235000-memory.dmp

Download

memory/1964-9-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1964-16-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/1964-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/1964-13-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1964-7-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1964-14-0x0000000000A40000-0x0000000000D43000-memory.dmp

Download

memory/2536-6-0x0000000004BE0000-0x0000000004C56000-memory.dmp

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memory/2536-5-0x0000000001E40000-0x0000000001E56000-memory.dmp

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memory/2536-3-0x0000000000580000-0x000000000059A000-memory.dmp

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memory/2536-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

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memory/2536-4-0x00000000005A0000-0x00000000005AE000-memory.dmp

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memory/2536-2-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Download

memory/2536-19-0x0000000074AE0000-0x00000000751CE000-memory.dmp

Download

memory/2536-1-0x00000000009A0000-0x0000000000A40000-memory.dmp

Download

memory/2944-22-0x00000000001D0000-0x0000000000216000-memory.dmp

Download

memory/2944-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Download