Analysis
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max time kernel
152s -
max time network
169s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
10-09-2021 12:26
Static task
static1
Behavioral task
behavioral1
Sample
indochine Trading.docx
Resource
win7v20210408
Behavioral task
behavioral2
Sample
indochine Trading.docx
Resource
win10-en
General
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Target
indochine Trading.docx
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Size
10KB
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MD5
8f7772863ed0144ca6654fbb4479322b
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SHA1
7198508deba3bea435ec999f261de6436eb5e44d
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SHA256
4ab57e7ea479a0f4a2d483f867dde66ba16eec6f63bc30dc5899e3f66f8eff7a
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SHA512
de01136ce66f32fc81728b3b19710693c51f36d02580d619ea81f1b8564efb56bcef7a7a8d6fe542d9a33f8a627830ae35bc8fddffdc6b4fd2acd2a364b3b8a6
Malware Config
Extracted
formbook
4.1
m8g0
http://www.corbvalperu.com/m8g0/
exclusivecan.com
junzhesuji.com
acces-credit-mutuel.com
iknitvintage.com
solonmodelun.com
debekia.com
peanutskitchen.com
kamanantzin.com
personalmodeststyle.com
qo49.com
googman.site
maisonshahnaz.com
annaalexandrovich.com
californiacashcars.com
ncafashionboutique.com
nsu0.com
cloudfirstlender.com
allforchildren.net
vn80000.com
restroon.com
rpm555.com
yasminaaa.com
e-shopee.com
flasnlute.online
fact-about.com
laurielobdell.com
bokzer.com
digitalmarketex.com
gemmakamps.com
cbdely.com
originem.cat
sherifalleghenycounty.com
mymenageire.com
jtzaatbya.icu
akuluarabavar.com
thepartygod.com
rpf.xyz
adejareadebimpefoundation.com
meingutschein.gratis
bahisbeta131.com
xn--proteindnyam-klb.com
marketauto.uk
xn--mgbai9a7dqf7be.com
milk-espresso-bar.com
lincolnsquareseniorliving.com
tranvachthachcao2020.com
sreezna.com
sudaniamericancollective.com
iresistable.com
healthyhabitsdiary.com
tianenconsulting.com
glassicsrentals.com
maviba.net
wheelersmill.info
schnellptc.com
touch2give.com
dadandan-blog.com
sheltaco.com
ramonnunezm.com
franchisesquareliquidations.com
hotelesmotril.com
tuxedojunctionbook.com
thedognanniesct.com
mettelonhart.com
Signatures
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Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1428-81-0x000000000041EB70-mapping.dmp formbook behavioral1/memory/1428-80-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral1/memory/1320-89-0x0000000000080000-0x00000000000AE000-memory.dmp formbook -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 13 2004 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1044 vbc.exe 1428 vbc.exe -
Abuses OpenXML format to download file from external location 2 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\Common\Offline\Files\http://cml.lol/fx9g4o WINWORD.EXE -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEpid process 2004 EQNEDT32.EXE 2004 EQNEDT32.EXE 2004 EQNEDT32.EXE 2004 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 3 IoCs
Processes:
vbc.exevbc.exechkdsk.exedescription pid process target process PID 1044 set thread context of 1428 1044 vbc.exe vbc.exe PID 1428 set thread context of 1208 1428 vbc.exe Explorer.EXE PID 1320 set thread context of 1208 1320 chkdsk.exe Explorer.EXE -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
chkdsk.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1028 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
Processes:
vbc.exechkdsk.exepid process 1428 vbc.exe 1428 vbc.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe 1320 chkdsk.exe -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
vbc.exechkdsk.exepid process 1428 vbc.exe 1428 vbc.exe 1428 vbc.exe 1320 chkdsk.exe 1320 chkdsk.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
vbc.exechkdsk.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1428 vbc.exe Token: SeDebugPrivilege 1320 chkdsk.exe Token: SeShutdownPrivilege 1208 Explorer.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1028 WINWORD.EXE 1028 WINWORD.EXE -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
EQNEDT32.EXEWINWORD.EXEvbc.exeExplorer.EXEchkdsk.exedescription pid process target process PID 2004 wrote to memory of 1044 2004 EQNEDT32.EXE vbc.exe PID 2004 wrote to memory of 1044 2004 EQNEDT32.EXE vbc.exe PID 2004 wrote to memory of 1044 2004 EQNEDT32.EXE vbc.exe PID 2004 wrote to memory of 1044 2004 EQNEDT32.EXE vbc.exe PID 1028 wrote to memory of 1796 1028 WINWORD.EXE splwow64.exe PID 1028 wrote to memory of 1796 1028 WINWORD.EXE splwow64.exe PID 1028 wrote to memory of 1796 1028 WINWORD.EXE splwow64.exe PID 1028 wrote to memory of 1796 1028 WINWORD.EXE splwow64.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1044 wrote to memory of 1428 1044 vbc.exe vbc.exe PID 1208 wrote to memory of 1320 1208 Explorer.EXE chkdsk.exe PID 1208 wrote to memory of 1320 1208 Explorer.EXE chkdsk.exe PID 1208 wrote to memory of 1320 1208 Explorer.EXE chkdsk.exe PID 1208 wrote to memory of 1320 1208 Explorer.EXE chkdsk.exe PID 1320 wrote to memory of 1824 1320 chkdsk.exe cmd.exe PID 1320 wrote to memory of 1824 1320 chkdsk.exe cmd.exe PID 1320 wrote to memory of 1824 1320 chkdsk.exe cmd.exe PID 1320 wrote to memory of 1824 1320 chkdsk.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\indochine Trading.docx"2⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Public\vbc.exe"3⤵
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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C:\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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C:\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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\Users\Public\vbc.exeMD5
d1eee2a323fecd8a01d5f6adf16a4649
SHA17a2e157e233c35cee54427e9b85cc4548b1b956a
SHA2566d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934
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memory/1028-60-0x0000000072201000-0x0000000072204000-memory.dmpFilesize
12KB
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memory/1028-61-0x000000006FC81000-0x000000006FC83000-memory.dmpFilesize
8KB
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memory/1028-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1028-63-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
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memory/1044-76-0x00000000049F0000-0x00000000049F1000-memory.dmpFilesize
4KB
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memory/1044-69-0x0000000000000000-mapping.dmp
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memory/1044-79-0x0000000004E10000-0x0000000004E3F000-memory.dmpFilesize
188KB
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memory/1044-72-0x0000000000B80000-0x0000000000B81000-memory.dmpFilesize
4KB
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memory/1044-77-0x0000000000500000-0x0000000000507000-memory.dmpFilesize
28KB
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memory/1044-78-0x0000000005D10000-0x0000000005D75000-memory.dmpFilesize
404KB
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memory/1208-85-0x0000000006DA0000-0x0000000006EA8000-memory.dmpFilesize
1.0MB
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memory/1320-89-0x0000000000080000-0x00000000000AE000-memory.dmpFilesize
184KB
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memory/1320-86-0x0000000000000000-mapping.dmp
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memory/1320-90-0x0000000001F80000-0x0000000002283000-memory.dmpFilesize
3.0MB
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memory/1320-88-0x00000000002D0000-0x00000000002D7000-memory.dmpFilesize
28KB
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memory/1320-91-0x0000000001E70000-0x0000000001F03000-memory.dmpFilesize
588KB
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memory/1428-80-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1428-83-0x0000000000C10000-0x0000000000F13000-memory.dmpFilesize
3.0MB
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memory/1428-84-0x0000000000180000-0x0000000000194000-memory.dmpFilesize
80KB
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memory/1428-81-0x000000000041EB70-mapping.dmp
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memory/1796-74-0x0000000000000000-mapping.dmp
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memory/1796-75-0x000007FEFB701000-0x000007FEFB703000-memory.dmpFilesize
8KB
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memory/1824-87-0x0000000000000000-mapping.dmp