formbook | 636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f

Analysis

max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 01:17

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General

Target
636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
Size 1.1MB
Sample240809-bnhz1stgml
SHA256 636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f
MD5 6bbfded2baa5a18cc97d10516ee91c78
SHA1 9e39944c9d057d134b119c677be07975704e546e
SHA512 4d952c2ed6a876bd639b2a9e4baa5eeadbf01f314bcd1a2c80da564c4594330a5b26dc351c528b5c0d574e7013b387349ce77a274257b0df902a48e707545605
SSDEEP 24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8a4dz681iuw:nTvC/MTQYxsWR7a4h6Eiu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook jd21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

jd21

Decoy

bankownedproperties-0.bond
slab-leak-repair-74697.bond
tvtwenty20sr.top
scw-iot.net
circusenergy.online
030002787.xyz
propertiesforrentus11.bond
defi-banksystem.online
gkbet168.net
joycasino-ed46.top
sctttc-or.top
borghardt.xyz
therealtorpeddler.info
macexpress.online
bobbyharvey.store
dating-dd-de.info
thetrue.one
alqahtani.site
mahlubini.africa
truck-driver-jobs-42274.bond
packaging-services-17231.xyz
badcreditloans59.xyz
cellphonesfxw.today
applyzentavra.com
basscolofers.shop
knee-pain-treatment-140741.xyz
saltyfashion.shop
quantive.tech
cldvpn.sbs
bolehapasaja16.shop
nextdoor3.store
forklift-jobs-29768.bond
pools-99305.bond
3780.cyou
solveiterzsolutions.fun
key-ring.xyz
replyingendoplasmed.pro
infanbs.shop
apple0ficial-ld.info
stress-relief-44110.bond
r86gd377hi.rent
lww20.top
apartments-for-rent-series.sbs
emiratesnseic.top
senior-living-25596.bond
hostease.cloud
walk-in-tubs-30303.bond
childrenfirstcenter.xyz
45941978.top
pw7-golden-painting-ldm.lat
0yf.com
tyumk.xyz
utopartses.com
hearing-aids-77773.bond
frametoryframes.shop
mvtb.pics
speeddeals.online
cyber-eu.digital
hm23s.top
pools-80761.bond
2002w.app
authentication-app-69447.bond
legendhud.shop
xmld101.icu
weight-loss-003.today

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2108-30-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2108-33-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2108-37-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4608-43-0x0000000000110000-0x000000000013F000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs	name.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	name.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000400000001d9ff-14.dat	autoit_exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 2108	2040	name.exe	87
PID 2108 set thread context of 3460	2108	svchost.exe	56
PID 2108 set thread context of 3460	2108	svchost.exe	56
PID 4608 set thread context of 3460	4608	mstsc.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2824	2040	WerFault.exe	86

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	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	name.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe
4608	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2040	name.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
2108	svchost.exe
4608	mstsc.exe
4608	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	svchost.exe
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeDebugPrivilege	4608	mstsc.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2040	name.exe
2040	name.exe
3460	Explorer.EXE
3460	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
2040	name.exe
2040	name.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2040	4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	86
PID 4132 wrote to memory of 2040	4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	86
PID 4132 wrote to memory of 2040	4132	636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe	86
PID 2040 wrote to memory of 2108	2040	name.exe	87
PID 2040 wrote to memory of 2108	2040	name.exe	87
PID 2040 wrote to memory of 2108	2040	name.exe	87
PID 2040 wrote to memory of 2108	2040	name.exe	87
PID 3460 wrote to memory of 4608	3460	Explorer.EXE	91
PID 3460 wrote to memory of 4608	3460	Explorer.EXE	91
PID 3460 wrote to memory of 4608	3460	Explorer.EXE	91
PID 4608 wrote to memory of 4784	4608	mstsc.exe	92
PID 4608 wrote to memory of 4784	4608	mstsc.exe	92
PID 4608 wrote to memory of 4784	4608	mstsc.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe
  "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4132
- - C:\Users\Admin\AppData\Local\directory\name.exe
    "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - 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:2040
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:2108
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 704
      4⤵
      Program crash
      PID:2824
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:4608
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2040 -ip 2040
1⤵
PID:4520

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

molecast

Path C:\Users\Admin\AppData\Local\Temp\molecast
Size 28KB
SHA256 b9d18f83221f16f2f21ff6596e108562172c0e51ee1e78fae29fd4d512f9dc54
MD5 ee4cf49f57dbe9b317975148fc646c5a
SHA1 d108703eb6fcd1cce8ec0d2ef6cd0a8724de207d
SHA512 5178a4e46d5d964f6ae9352749dcb29402ac6f75f85b117d4179fb04af1fd4faf8c2f588d1cb62d107e67fa9a3c4212c5c60bd9ada662f7989eec9acdf6732da
SSDEEP 768:zOuVKtIXQWYw6zZgb+bUwCzFptdX9xDMPUuXbf12lZ+pTPpY9nx7lyilDxZTh:zNnrKVP0yilzh
MD5 SHA1 SHA512 SSDEEP

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name.exe

Path C:\Users\Admin\AppData\Local\directory\name.exe
Size 1.1MB
SHA256 636597dd8c59135be43119197ee60db2268abaa5d8a60f4c0ac296acd9dc444f
MD5 6bbfded2baa5a18cc97d10516ee91c78
SHA1 9e39944c9d057d134b119c677be07975704e546e
SHA512 4d952c2ed6a876bd639b2a9e4baa5eeadbf01f314bcd1a2c80da564c4594330a5b26dc351c528b5c0d574e7013b387349ce77a274257b0df902a48e707545605
SSDEEP 24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8a4dz681iuw:nTvC/MTQYxsWR7a4h6Eiu
MD5 SHA1 SHA512 SSDEEP

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memory/2108-38-0x0000000003530000-0x0000000003545000-memory.dmp

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memory/2108-30-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2108-31-0x0000000001700000-0x0000000001A4A000-memory.dmp

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memory/2108-34-0x0000000001C20000-0x0000000001C35000-memory.dmp

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memory/2108-33-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2108-37-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3460-35-0x0000000009320000-0x00000000094C5000-memory.dmp

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memory/3460-39-0x0000000008BD0000-0x0000000008CB1000-memory.dmp

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memory/3460-45-0x0000000009320000-0x00000000094C5000-memory.dmp

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memory/3460-46-0x0000000008BD0000-0x0000000008CB1000-memory.dmp

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memory/3460-48-0x0000000009040000-0x000000000916D000-memory.dmp

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memory/4132-11-0x0000000000E00000-0x0000000000E04000-memory.dmp

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memory/4608-40-0x0000000000A30000-0x0000000000B6A000-memory.dmp

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memory/4608-42-0x0000000000A30000-0x0000000000B6A000-memory.dmp

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memory/4608-43-0x0000000000110000-0x000000000013F000-memory.dmp

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