formbook | b9944dc05df7b7a10e4326dfb17a10e7c174238cbebf8bea02091a839cc0f0f0

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
30/07/2024, 15:28

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General

Target
JTM300724IU.vbe
Size 3.1MB
Sample240730-swc76swfml
SHA256 b9944dc05df7b7a10e4326dfb17a10e7c174238cbebf8bea02091a839cc0f0f0
MD5 c845430ea08040d92adc7e9e5870143e
SHA1 0715a93a9902b41b72ff8beaa4f371782c40aaab
SHA512 d517d1b9c4cca21f3bdc295133795a9265d44ab436f38bf44f035ca58888f6a14cc5e063fe4ccf20081b9592088bbc56df2b70efdceb6c2450872e194e0bfded
SSDEEP 24576:IQ3d8+MwrXBn6Dc0FEJZF1Nx+bFOoWV+xzN1ewkqlK/4VF7m66W0aGIC3G0zr8lv:J50mJTow+xn3S4OWdbCgTOGN
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

formbook de94 credential_access discovery persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

de94

Decoy

way2future.net
worldnewsdailys.online
rendamaisbr.com
s485.icu
vcxwpo.xyz
imagivilleartists.com
herbatyorganics.com
xn--80ado1abokv5d.xn--p1acf
invigoratewell.com
especialistaleitura.online
pkrstg.com
performacaretechnical.com
dreamgame55.net
hkitgugx.xyz
istanlikbilgiler.click
slotter99j.vip
exploringtheoutdoors.net
triberoots.com
energiaslotsbet.com
dkforcm.com
rtp1kijangwin.top
monkeytranslate.com
21stcut.shop
hgty866.xyz
shaktitest.site
monrocasino-508.com
level4d1.bet
nbcze.com
rtproketslotcsn.art
xjps.ltd
yoanamod.com
gv031.net
mceliteroofing.com
1wtrh.com
online-dating-24966.bond
dentalbrasstacks.com
kf7wzmuzv0w.xyz
gyosei-arimura.com
shopyzones.shop
bradleyboy.xyz
bradleyboy.xyz
nownzen.store
buysellrepresent.com
tateshades.xyz
club1stclass.com
2309238042.com
ashleymorgan.live
xn--pdr89n.vip
princecl.xyz
mindfulmanifest.net
c4ads.net
exlith.com
jiogskeojg.xyz
lxrtl.com
cshark-sguser.com
h021b.rest
alfiethorhalls.com
librosinfantiles.top
alazamexports.com
mehalhouse.com
slvtapeworld.com
mybest.engineer
legalix.xyz
kuuichi.xyz
happygreenfarm.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/392-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3848-16-0x0000000000630000-0x000000000065F000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmd.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
1320	HHhHh.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IDUL9XCXGP = "C:\\Program Files (x86)\\Internet Explorer\\iexplore.exe"	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 392	1320	HHhHh.exe	91
PID 392 set thread context of 3472	392	iexplore.exe	56
PID 3848 set thread context of 3472	3848	cmd.exe	56

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
392	iexplore.exe
392	iexplore.exe
392	iexplore.exe
392	iexplore.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
392	iexplore.exe
392	iexplore.exe
392	iexplore.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe
3848	cmd.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	iexplore.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeDebugPrivilege	3848	cmd.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3472	Explorer.EXE
3472	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 1320	2804	WScript.exe	86
PID 2804 wrote to memory of 1320	2804	WScript.exe	86
PID 1320 wrote to memory of 4848	1320	HHhHh.exe	89
PID 1320 wrote to memory of 4848	1320	HHhHh.exe	89
PID 1320 wrote to memory of 4848	1320	HHhHh.exe	89
PID 1320 wrote to memory of 4848	1320	HHhHh.exe	89
PID 1320 wrote to memory of 2476	1320	HHhHh.exe	90
PID 1320 wrote to memory of 2476	1320	HHhHh.exe	90
PID 1320 wrote to memory of 2476	1320	HHhHh.exe	90
PID 1320 wrote to memory of 2476	1320	HHhHh.exe	90
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 1320 wrote to memory of 392	1320	HHhHh.exe	91
PID 3472 wrote to memory of 3848	3472	Explorer.EXE	102
PID 3472 wrote to memory of 3848	3472	Explorer.EXE	102
PID 3472 wrote to memory of 3848	3472	Explorer.EXE	102
PID 3848 wrote to memory of 5108	3848	cmd.exe	108
PID 3848 wrote to memory of 5108	3848	cmd.exe	108
PID 3848 wrote to memory of 5108	3848	cmd.exe	108
PID 3848 wrote to memory of 2412	3848	cmd.exe	113
PID 3848 wrote to memory of 2412	3848	cmd.exe	113
PID 3848 wrote to memory of 2412	3848	cmd.exe	113

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\JTM300724IU.vbe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Users\Admin\AppData\Local\Temp\HHhHh.exe
    "C:\Users\Admin\AppData\Local\Temp\HHhHh.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      4⤵
      PID:4848
  - - C:\Windows\System32\calc.exe
      "C:\Windows\System32\calc.exe"
      4⤵
      PID:2476
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:392
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2264
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:400
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4420
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2556
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4928
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:416
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2396
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1528
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:4516
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2212
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3848
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5108
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 40KB
SHA256 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
MD5 a182561a527f929489bf4b8f74f65cd7
SHA1 8cd6866594759711ea1836e86a5b7ca64ee8911f
SHA512 9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558
SSDEEP 48:2DcnBA+IIBoCVEq8Ma0D0HOlf/6ykwpLf/EUwMHZq10bvJKLkw8s8LKvUf9KVyJJ:uSQCn8MouB6w9f/8iZqmvJKLPeymwil
MD5 SHA1 SHA512 SSDEEP

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HHhHh.exe

Path C:\Users\Admin\AppData\Local\Temp\HHhHh.exe
Size 2.2MB
SHA256 edf069b9c35c34df17fbfcde19add89033dcb6cbb874686f03330033d88a5e61
MD5 c12a1b7b35e81e02e296c3d85d75298d
SHA1 74c948db8c7d23fff962a2e8b64c7d626b04073f
SHA512 b06944d71772d5d4a8c92387a5671641f6eeac6f8d897c6966ca98cc241fdfa3184e708b2194272b76c8a6d213a9ee93edc4a882be6458a76b00aa30ba324b25
SSDEEP 49152:aWiP0wV0hJ5VGx6ODJ1+tEtWX33oG1Sdqob86:UVUcyabso86
MD5 SHA1 SHA512 SSDEEP

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KNPlogim.jpeg

Path C:\Users\Admin\AppData\Roaming\KNPQ4AV3\KNPlogim.jpeg
Size 76KB
SHA256 54be0b97671c23e7c9f8322a764da92408a6077b4de9a1a3b27c35bd16fa1ff9
MD5 531140d5cbda36e726bda1f6aedcf67d
SHA1 adc02292401354df4c92bb3cbe908467aecb8f3b
SHA512 d0d0f26e2a4074d1d61c069a5f199c32924890edb07a8e013957329ca7c954decd3ef23c5199df3b852cd1f671d19666a5c3918ad90cf62e926e5bdebc5bda52
SSDEEP 1536:si1tDMT2bgp1q/x7Z6abXo1iueGq1H5KLaFZj:viLq/x7Z6copqV5wSj
MD5 SHA1 SHA512 SSDEEP

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KNPlogrf.ini

Path C:\Users\Admin\AppData\Roaming\KNPQ4AV3\KNPlogrf.ini
Size 40B
SHA256 1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361
MD5 2f245469795b865bdd1b956c23d7893d
SHA1 6ad80b974d3808f5a20ea1e766c7d2f88b9e5895
SHA512 909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f
MD5 SHA1 SHA512

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KNPlogrg.ini

Path C:\Users\Admin\AppData\Roaming\KNPQ4AV3\KNPlogrg.ini
Size 38B
SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
MD5 4aadf49fed30e4c9b3fe4a3dd6445ebe
SHA1 1e332822167c6f351b99615eada2c30a538ff037
SHA512 eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945
MD5 SHA1 SHA512

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KNPlogri.ini

Path C:\Users\Admin\AppData\Roaming\KNPQ4AV3\KNPlogri.ini
Size 40B
SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
MD5 d63a82e5d81e02e399090af26db0b9cb
SHA1 91d0014c8f54743bba141fd60c9d963f869d76c9
SHA512 38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad
MD5 SHA1 SHA512

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KNPlogrv.ini

Path C:\Users\Admin\AppData\Roaming\KNPQ4AV3\KNPlogrv.ini
Size 872B
SHA256 ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
MD5 bbc41c78bae6c71e63cb544a6a284d94
SHA1 33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a
SHA512 0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4
MD5 SHA1 SHA512

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memory/392-11-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3472-32-0x0000000008730000-0x000000000889D000-memory.dmp

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memory/3472-36-0x0000000008FF0000-0x0000000009128000-memory.dmp

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memory/3472-12-0x0000000008730000-0x000000000889D000-memory.dmp

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memory/3848-16-0x0000000000630000-0x000000000065F000-memory.dmp

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memory/3848-15-0x0000000000970000-0x00000000009CA000-memory.dmp

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memory/3848-14-0x0000000000970000-0x00000000009CA000-memory.dmp

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