formbook | 03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07/10/2024, 08:13

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General

Target
tnbws7pyQvMUSjF.exe
Size 731KB
Sample241007-j4ge5avepr
SHA256 03b5cfab3f0ffdf96e415006004be9a0c05e6365e1d5834984cfd5cea9df85fe
MD5 17a1259bd9c1cb80ac8d105d513bed7f
SHA1 cae2ad2f6a8055ad2145e25324d29033fe1133ae
SHA512 f3edf3d6e0c10fd71e411c78fc7af1db10c0c4d56cc796dac113eae2afe96ff30eceb4d0c275a48bded4aeeb353e1a6d22f19f754baf1fd218b8fdaa63ff12b0
SSDEEP 12288:XTrw1bZZn9LJ/x0NHhVdAU/ocoHqXNAN5sNUEj+CQBuxXF29cGNzw1ZW6bEm7N52:DrwLZnR30xhDLocIqXN8u+CQ0FJGVuZN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook t18n discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

t18n

Decoy

tmusicoregon.net
atici.online
j7u7.xyz
iewunucierwuerwnziqi1.info
ruvabetgiris.website
acik.lat
obsk.top
sphaltpaving-ttp1-shd-us-2.shop
ispensarynearme.news
b3nd.bond
urelook.xyz
gearlpfbm.top
aconstructionjob.bond
killsnexis.info
oshon.xyz
ashabsxw.top
ussiatraiding.buzz
raipsehumus.homes
6ae23rx.forum
edar88vvip.shop
47-nurse-92864.bond
p4g6.xyz
kymacaw.net
amedepot.shop
hekindclub.net
remiumpetsupplies.net
enisekran.xyz
pacerpa.shop
milelab.pro
mlibertypac.net
yflume.net
lecrtort.net
destramentoemcasa.shop
atubri.info
hop-gb.sbs
entalcar-onlineservices.lol
aylocnuocionkiem.website
oliticsclickour.xyz
eo-company-abc.online
efoplin.xyz
ndisec.net
ain-relief-728.xyz
essislotgoal14.xyz
1ngg4hdiwt5.shop
avada-ga-20.press
earing-tests-49842.bond
dnusaunni05.sbs
sim-for-travel.today
lotehupi.shop
bresz.xyz
ozyjtmt.christmas
awersip.xyz
unihbahis.net
ndustrialrichmond.best
isdom-sol.xyz
iden-paaaa.buzz
32xa544mg.autos
ental-health-89041.bond
uylevothyroxine.online
olar-installer-job-at-de2.today
usiness-phone-systems-6543.bond
77.info
enaydereli.xyz
pjn.xxx
xhibitonenotary.info

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/2672-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2672-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3016-22-0x0000000000070000-0x000000000009F000-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
2956	powershell.exe

Deletes itself 1 IoCs

pid	Process
3032	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2672 set thread context of 1236	2672	tnbws7pyQvMUSjF.exe	21
PID 3016 set thread context of 1236	3016	wscript.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	wscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tnbws7pyQvMUSjF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2672	tnbws7pyQvMUSjF.exe
2672	tnbws7pyQvMUSjF.exe
2956	powershell.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe
3016	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2672	tnbws7pyQvMUSjF.exe
2672	tnbws7pyQvMUSjF.exe
2672	tnbws7pyQvMUSjF.exe
3016	wscript.exe
3016	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	tnbws7pyQvMUSjF.exe
Token: SeDebugPrivilege	2956	powershell.exe
Token: SeDebugPrivilege	3016	wscript.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2956	2932	tnbws7pyQvMUSjF.exe	31
PID 2932 wrote to memory of 2956	2932	tnbws7pyQvMUSjF.exe	31
PID 2932 wrote to memory of 2956	2932	tnbws7pyQvMUSjF.exe	31
PID 2932 wrote to memory of 2956	2932	tnbws7pyQvMUSjF.exe	31
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 2932 wrote to memory of 2672	2932	tnbws7pyQvMUSjF.exe	33
PID 1236 wrote to memory of 3016	1236	Explorer.EXE	34
PID 1236 wrote to memory of 3016	1236	Explorer.EXE	34
PID 1236 wrote to memory of 3016	1236	Explorer.EXE	34
PID 1236 wrote to memory of 3016	1236	Explorer.EXE	34
PID 3016 wrote to memory of 3032	3016	wscript.exe	35
PID 3016 wrote to memory of 3032	3016	wscript.exe	35
PID 3016 wrote to memory of 3032	3016	wscript.exe	35
PID 3016 wrote to memory of 3032	3016	wscript.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
  "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2932
- - 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\tnbws7pyQvMUSjF.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2956
- - C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe
    "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2672
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.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:3016
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\tnbws7pyQvMUSjF.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:3032

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/1236-14-0x0000000000010000-0x0000000000020000-memory.dmp

Download

memory/1236-24-0x00000000071C0000-0x00000000072E7000-memory.dmp

Download

memory/1236-18-0x00000000071C0000-0x00000000072E7000-memory.dmp

Download

memory/2672-16-0x0000000000180000-0x0000000000194000-memory.dmp

Download

memory/2672-15-0x0000000000890000-0x0000000000B93000-memory.dmp

Download

memory/2672-17-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/2672-7-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2672-8-0x0000000000400000-0x000000000042F000-memory.dmp

Download

memory/2672-11-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2672-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/2932-6-0x0000000000420000-0x0000000000496000-memory.dmp

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memory/2932-12-0x0000000074D50000-0x000000007543E000-memory.dmp

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memory/2932-3-0x0000000000270000-0x000000000028E000-memory.dmp

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memory/2932-2-0x0000000074D50000-0x000000007543E000-memory.dmp

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memory/2932-5-0x0000000074D50000-0x000000007543E000-memory.dmp

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memory/2932-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Download

memory/2932-4-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Download

memory/2932-1-0x0000000001220000-0x00000000012DC000-memory.dmp

Download

memory/3016-21-0x0000000000B50000-0x0000000000B76000-memory.dmp

Download

memory/3016-22-0x0000000000070000-0x000000000009F000-memory.dmp

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