Analysis
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max time kernel
599s -
max time network
594s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-10-2024 08:00
Static task
static1
Behavioral task
behavioral1
Sample
OZsK1zm3hpiRCD2.exe
Resource
win7-20240903-en
General
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Target
OZsK1zm3hpiRCD2.exe
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Size
751KB
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MD5
2e5a55a46c75aa53efd566270938d168
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SHA1
ce2dbc6468deedaff70830ffa2e7af2c2f36f333
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SHA256
57e610ffae08a6189ecc331352a5115093c0c8b9372756b2211f2e164d052dc5
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SHA512
8eef317a65dacf9686df9b22b47b9bf6738ec607983740279079b9927f02b4a3413b166500f7c11e1944b62e241aaa0552d1e2b73755dbaecaaed178a49e72a1
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SSDEEP
12288:v39mEqOVzmIJnfTu6EKrVwTBbHsot5ZeVK7EWWlPYnlMWn:vIEqE6sTxBwBtve0WRnW
Malware Config
Extracted
formbook
4.1
t18n
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
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Formbook payload 3 IoCs
resource yara_rule behavioral2/memory/444-11-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/444-17-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/2480-72-0x00000000003A0000-0x00000000003CF000-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.
pid Process 1448 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation OZsK1zm3hpiRCD2.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5JM4LLOXPNT = "C:\\Program Files (x86)\\Zdng4p08\\systray2d6hz.exe" chkdsk.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4940 set thread context of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 444 set thread context of 3480 444 OZsK1zm3hpiRCD2.exe 54 PID 2480 set thread context of 3480 2480 chkdsk.exe 54 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Zdng4p08\systray2d6hz.exe chkdsk.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language chkdsk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language OZsK1zm3hpiRCD2.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe -
description ioc Process Key created \Registry\User\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 chkdsk.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 444 OZsK1zm3hpiRCD2.exe 444 OZsK1zm3hpiRCD2.exe 444 OZsK1zm3hpiRCD2.exe 444 OZsK1zm3hpiRCD2.exe 1448 powershell.exe 1448 powershell.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe -
Suspicious behavior: MapViewOfSection 7 IoCs
pid Process 444 OZsK1zm3hpiRCD2.exe 444 OZsK1zm3hpiRCD2.exe 444 OZsK1zm3hpiRCD2.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe 2480 chkdsk.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 444 OZsK1zm3hpiRCD2.exe Token: SeDebugPrivilege 1448 powershell.exe Token: SeDebugPrivilege 2480 chkdsk.exe Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE Token: SeShutdownPrivilege 3480 Explorer.EXE Token: SeCreatePagefilePrivilege 3480 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3480 Explorer.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4940 wrote to memory of 1448 4940 OZsK1zm3hpiRCD2.exe 86 PID 4940 wrote to memory of 1448 4940 OZsK1zm3hpiRCD2.exe 86 PID 4940 wrote to memory of 1448 4940 OZsK1zm3hpiRCD2.exe 86 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 4940 wrote to memory of 444 4940 OZsK1zm3hpiRCD2.exe 88 PID 3480 wrote to memory of 2480 3480 Explorer.EXE 89 PID 3480 wrote to memory of 2480 3480 Explorer.EXE 89 PID 3480 wrote to memory of 2480 3480 Explorer.EXE 89 PID 2480 wrote to memory of 2344 2480 chkdsk.exe 90 PID 2480 wrote to memory of 2344 2480 chkdsk.exe 90 PID 2480 wrote to memory of 2344 2480 chkdsk.exe 90 PID 2480 wrote to memory of 5048 2480 chkdsk.exe 97 PID 2480 wrote to memory of 5048 2480 chkdsk.exe 97 PID 2480 wrote to memory of 5048 2480 chkdsk.exe 97 PID 2480 wrote to memory of 3204 2480 chkdsk.exe 99 PID 2480 wrote to memory of 3204 2480 chkdsk.exe 99 PID 2480 wrote to memory of 3204 2480 chkdsk.exe 99
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4940 -
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\OZsK1zm3hpiRCD2.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1448
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C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:444
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\OZsK1zm3hpiRCD2.exe"3⤵
- System Location Discovery: System Language Discovery
PID:2344
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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" /V3⤵
- System Location Discovery: System Language Discovery
PID:5048
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:3204
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
40KB
MD5a182561a527f929489bf4b8f74f65cd7
SHA18cd6866594759711ea1836e86a5b7ca64ee8911f
SHA25642aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914
SHA5129bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
71KB
MD57c3a94d9e544ff082dd0d431f72cc773
SHA1eb6a8efc3ce6c11eb41bf0eb5b49fdf5fae7d70e
SHA256b28cef8804edd29b6f222be43981dce07a9d3ae48aa11110b77aad54ac4c9607
SHA5122c5b8666f7819aca1abdfa75d12c8955642890fcae97965c784fc0bfbc47b63c0ef2f764cb3db8b92e869a0b6c29d62a955aa4b0fcf5d894631f836b3c161ccf
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Filesize
40B
MD52f245469795b865bdd1b956c23d7893d
SHA16ad80b974d3808f5a20ea1e766c7d2f88b9e5895
SHA2561662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361
SHA512909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f
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Filesize
38B
MD54aadf49fed30e4c9b3fe4a3dd6445ebe
SHA11e332822167c6f351b99615eada2c30a538ff037
SHA25675034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
SHA512eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945
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Filesize
40B
MD5d63a82e5d81e02e399090af26db0b9cb
SHA191d0014c8f54743bba141fd60c9d963f869d76c9
SHA256eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
SHA51238afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad
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Filesize
872B
MD5bbc41c78bae6c71e63cb544a6a284d94
SHA133f2c1d9fa0e9c99b80bc2500621e95af38b1f9a
SHA256ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
SHA5120aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4