Analysis
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max time kernel
146s -
max time network
14s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
03-05-2021 12:49
Static task
static1
Behavioral task
behavioral1
Sample
Invoiceo.exe
Resource
win7v20210408
General
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Target
Invoiceo.exe
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Size
749KB
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MD5
8f2489d7ce50e99109af9925818daf2b
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SHA1
5481d53e59fda1e0d849b677e15b410ba6f64fbc
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SHA256
0013853950647289e952326b93ce46aa3e73db654367ef3c005e29257db31fba
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SHA512
e68ac0d33ddecb3712068f94b3a1459f57b26a9e74e970cb7f4ce2f1e64341d72294b2907049e738d115807ef9bd9e622483b64c2e2b26cc228df52a42195268
Malware Config
Extracted
formbook
4.1
http://www.swim-maki.com/csi/
crazyonlineboutique.com
nelivo.com
chibimama-blog.com
teachersofnyc.com
rare-snare.com
sunriseatlennox.com
innovate-nation.com
mahowebcam.com
foodbyroyalbites.com
nkm580.com
premiumplanterboxes.com
uspaypausa.com
wto2b.com
evoocb.com
missilenttech.com
adtlive.com
guapeco.com
keepfaithful.com
djayhoward.com
cora-designstj.com
furrybasics.com
tabuk24.com
bioshope.online
naturaldesiproducts.com
ardreykellbaseball.com
irisettlement.com
bahama-id.com
lastweektonight.watch
professor-ux.com
lifecompetitions.net
axislnsmail.com
dohannor.com
powertuningfiles.com
analistaweb.net
baascompanies.com
gengkakmona.com
salonandspaexperts.com
mynet.ltd
lionandivy.com
shopalam.com
ana9aty.net
sandostore.com
theasigosysteminfo.com
academiadoaprender.com
akvirtualtours.com
hecoldwithit.com
stopsiba.com
credit780.com
ss01center.com
wristaidmd.com
s2nps.co.uk
kontrey.com
cheesecakedactory.com
bnytechnologies.com
enhancinggrowth.com
gorgeus-girl-full-service.today
bermudesfcrasettlement.com
beste-gruppe.com
lfntv.com
coronarestschuldbefreiung.info
positivechampions.com
roadsigntoday.club
oxytocin.online
bupamwhub.com
Signatures
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Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1076-84-0x000000000041EB60-mapping.dmp formbook behavioral1/memory/1076-82-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral1/memory/1356-98-0x0000000000080000-0x00000000000AE000-memory.dmp formbook -
Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Invoiceo.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Invoiceo.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Invoiceo.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1816 cmd.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
Invoiceo.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Invoiceo.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 Invoiceo.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Invoiceo.exeInvoiceo.exesvchost.exedescription pid process target process PID 1824 set thread context of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1076 set thread context of 1200 1076 Invoiceo.exe Explorer.EXE PID 1356 set thread context of 1200 1356 svchost.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
powershell.exepowershell.exeInvoiceo.exepowershell.exeInvoiceo.exesvchost.exepid process 1512 powershell.exe 896 powershell.exe 1824 Invoiceo.exe 1716 powershell.exe 1076 Invoiceo.exe 1076 Invoiceo.exe 1356 svchost.exe 1716 powershell.exe 896 powershell.exe 1512 powershell.exe 1356 svchost.exe 1356 svchost.exe 1356 svchost.exe 1356 svchost.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
Invoiceo.exesvchost.exepid process 1076 Invoiceo.exe 1076 Invoiceo.exe 1076 Invoiceo.exe 1356 svchost.exe 1356 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
powershell.exepowershell.exeInvoiceo.exepowershell.exeInvoiceo.exesvchost.exedescription pid process Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 896 powershell.exe Token: SeDebugPrivilege 1824 Invoiceo.exe Token: SeDebugPrivilege 1716 powershell.exe Token: SeDebugPrivilege 1076 Invoiceo.exe Token: SeDebugPrivilege 1356 svchost.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
Invoiceo.exeExplorer.EXEsvchost.exedescription pid process target process PID 1824 wrote to memory of 1512 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1512 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1512 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1512 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 896 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 896 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 896 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 896 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 768 1824 Invoiceo.exe schtasks.exe PID 1824 wrote to memory of 768 1824 Invoiceo.exe schtasks.exe PID 1824 wrote to memory of 768 1824 Invoiceo.exe schtasks.exe PID 1824 wrote to memory of 768 1824 Invoiceo.exe schtasks.exe PID 1824 wrote to memory of 1716 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1716 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1716 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1716 1824 Invoiceo.exe powershell.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1824 wrote to memory of 1076 1824 Invoiceo.exe Invoiceo.exe PID 1200 wrote to memory of 1356 1200 Explorer.EXE svchost.exe PID 1200 wrote to memory of 1356 1200 Explorer.EXE svchost.exe PID 1200 wrote to memory of 1356 1200 Explorer.EXE svchost.exe PID 1200 wrote to memory of 1356 1200 Explorer.EXE svchost.exe PID 1356 wrote to memory of 1816 1356 svchost.exe cmd.exe PID 1356 wrote to memory of 1816 1356 svchost.exe cmd.exe PID 1356 wrote to memory of 1816 1356 svchost.exe cmd.exe PID 1356 wrote to memory of 1816 1356 svchost.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\AppData\Local\Temp\Invoiceo.exe"C:\Users\Admin\AppData\Local\Temp\Invoiceo.exe"2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1824 -
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\Invoiceo.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1512 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yYxmxiApi.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:896 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yYxmxiApi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5B3A.tmp"3⤵
- Creates scheduled task(s)
PID:768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yYxmxiApi.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1716 -
C:\Users\Admin\AppData\Local\Temp\Invoiceo.exe"C:\Users\Admin\AppData\Local\Temp\Invoiceo.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1076 -
C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵PID:1588
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\Invoiceo.exe"3⤵
- Deletes itself
PID:1816
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_051c572a-2f4f-4253-a91c-c972a154010a
MD5a70ee38af4bb2b5ed3eeb7cbd1a12fa3
SHA181dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9
SHA256dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d
SHA5128c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_10a2719f-ab19-452c-9537-375fecbe5f96
MD5df44874327d79bd75e4264cb8dc01811
SHA11396b06debed65ea93c24998d244edebd3c0209d
SHA25655de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181
SHA51295dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_14d5f303-8d3e-4659-8f87-0a0ebbb12511
MD5354b8209f647a42e2ce36d8cf326cc92
SHA198c3117f797df69935f8b09fc9e95accfe3d8346
SHA256feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239
SHA512420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1abda922-9e0e-4200-89d0-60796083afcc
MD5be4d72095faf84233ac17b94744f7084
SHA1cc78ce5b9c57573bd214a8f423ee622b00ebb1ec
SHA256b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc
SHA51243856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
MD5a725bb9fafcf91f3c6b7861a2bde6db2
SHA18bb5b83f3cc37ff1e5ea4f02acae38e72364c114
SHA25651651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431
SHA5121c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c
MD5a725bb9fafcf91f3c6b7861a2bde6db2
SHA18bb5b83f3cc37ff1e5ea4f02acae38e72364c114
SHA25651651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431
SHA5121c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3b3b2e74-21c6-44d5-bf69-8b4109eb240b
MD57f79b990cb5ed648f9e583fe35527aa7
SHA171b177b48c8bd745ef02c2affad79ca222da7c33
SHA256080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683
SHA51220926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_60554f64-a36e-4439-8748-76f202d7cb75
MD502ff38ac870de39782aeee04d7b48231
SHA10390d39fa216c9b0ecdb38238304e518fb2b5095
SHA256fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876
SHA51224a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6ccb18ff-7a22-469e-90e7-ccc861e1432b
MD5b6d38f250ccc9003dd70efd3b778117f
SHA1d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a
SHA2564de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265
SHA51267d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7bc5ca8a-50eb-4a28-856a-31595e01418a
MD5597009ea0430a463753e0f5b1d1a249e
SHA14e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62
SHA2563fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d
SHA5125d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ba497937-2e50-4b6d-9dce-a89fd55f6f3d
MD5d89968acfbd0cd60b51df04860d99896
SHA1b3c29916ccb81ce98f95bbf3aa8a73de16298b29
SHA2561020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9
SHA512b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bd47eb21-a96b-4ccd-99d7-0d9f3f6c10b6
MD575a8da7754349b38d64c87c938545b1b
SHA15c28c257d51f1c1587e29164cc03ea880c21b417
SHA256bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96
SHA512798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c9b427a0-6073-4eb8-9b09-f8e4712d7ab5
MD55e3c7184a75d42dda1a83606a45001d8
SHA194ca15637721d88f30eb4b6220b805c5be0360ed
SHA2568278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59
SHA512fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5dcbef273155868d4f0749d63fe40be36
SHA173ab89ffec76206c03414830ee43686f46ec374a
SHA2564383fd332740c710ee419a5a420734868faf5fc892b1925322782a321924200b
SHA5121d5d1aba775db7472db6e9ed1750205a9a466d57d74783261c5231c3ed30b68539932353b939d11cdd544a15532b58c927cf65be3089687f20d3c6d648a52851
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5aa41ce23d473a43c22b1f85e7d29f293
SHA1916194069331732cd56aebc1ec39852ffc358744
SHA25608c556b8aa0474f61dee02edf7507c48c0f7df1f5645b68a856a764594a0571d
SHA51213ce9935ea8506b0a5868d7b3e6a78b725b2a86fb59bb7a9ffa2463e174570993c4b0f142ea5be7aa26f17203ba54e100faeed56309dc9a24699662f882214f6
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5c729424ef9d0749ad00bdca32fd6e03c
SHA185f6fdcb545c71b4ae052a19dadceebc0b56a4d6
SHA2565cd6be12e843719b701cb4c37addc756ac81673aadd76ac770b051d9f29857f7
SHA512024e9160af8e25c1566b5cdc23684ef7de86a01d48f16e93f2736f2ec2c42ff79f503c281a1d98252569df3367a01a52ad967d816772fcb0239329ef5d298606
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MD5
1fb5cb6c4dd0ab8e7a837018d146c322
SHA1ffb35430e7fdcf4beb55fe0d3d193b9f52eec289
SHA2563bf21ef9d33a4dfc26ba71684dd88cb467525bb81eb842248958e082c3dd98fa
SHA51208fc3219689316afc2d0a8c8ea0cab4bd53be04e3bdc0fcb6a55938f4565401b896c6fdda6a973ea6cec3339d11bf34c177586243785c867be82a7fc6390577c
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD53609684fd336a76be9621b9f40e3f07b
SHA1e20685d3a80a42fdc2c0a1e33988fd82195aba94
SHA25615129dac479489a0acc3612c91eef82ae30edb4a801be670efaae382570b69f6
SHA51217c2567e20e050eef5781e613ee656500569bd508ccbbd63e4285d2152c675ff8c55f153cf83dd8da774b690bfb4977da54384a7e4eb638c50f784fe17b37757
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD53609684fd336a76be9621b9f40e3f07b
SHA1e20685d3a80a42fdc2c0a1e33988fd82195aba94
SHA25615129dac479489a0acc3612c91eef82ae30edb4a801be670efaae382570b69f6
SHA51217c2567e20e050eef5781e613ee656500569bd508ccbbd63e4285d2152c675ff8c55f153cf83dd8da774b690bfb4977da54384a7e4eb638c50f784fe17b37757