Analysis
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max time kernel
154s -
max time network
165s -
platform
windows7_x64 -
resource
win7-en-20211104 -
submitted
02-12-2021 10:58
Static task
static1
Behavioral task
behavioral1
Sample
vbc.exe
Resource
win7-en-20211104
General
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Target
vbc.exe
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Size
356KB
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MD5
8b7820fd7d45dcd564fb92db1ebe9295
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SHA1
c383a24a84143123f120f754bb0877b91628ff5b
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SHA256
c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7
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SHA512
96ffc3d1d785035b47342b700d2930cf4daee597d02e97310a53be8baa819b403dbd96e82470fa0483f5bb442728c4e0eb352ebca0945070a49013451c441590
Malware Config
Extracted
xloader
2.5
ea0r
http://www.asiapubz-hk.com/ea0r/
lionheartcreativestudios.com
konzertmanagement.com
blackpanther.online
broychim-int.com
takut18.com
txstarsolar.com
herdsherpa.com
igorshestakov.com
shinesbox.com
reflectpkljlt.xyz
oiltoolshub.com
viralmoneychallenge.com
changingalphastrategies.com
mecitiris.com
rdadmin.online
miniambiente.com
kominarcine.com
pino-almond.com
heihit.xyz
junqi888.com
metalumber.com
sclvfu.com
macanostore.online
projecturs.com
ahcprp.com
gztyfnrj.com
lospacenos.com
tak-etranger.com
dingermail.com
skiin.club
ystops.com
tnboxes.com
ccafgz.com
info1337.xyz
platinum24.top
hothess.com
novelfinancewhite.xyz
theselectdifference.com
flufca.com
giftcodefreefirevns.com
kgv-lachswehr.com
report-alfarabilabs.com
skeetones.com
4bcinc.com
americamr.com
wewonacademy.com
evrazavto.store
true-fanbox.com
greencofiji.com
threecommaspartners.com
hgtradingcoltd.com
xihe1919.com
241mk.com
helplockedout.com
wefundprojects.com
neosecure.store
purenewsworldwide.com
luckylottovip999.com
lottidobler.com
proyectohaciendohistoria.com
raintm.com
theproducerformula.com
trademarkitforyourself.com
ottaweed.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1636-58-0x000000000041D410-mapping.dmp xloader behavioral1/memory/1636-57-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/564-66-0x0000000000080000-0x00000000000A9000-memory.dmp xloader -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 832 cmd.exe -
Loads dropped DLL 1 IoCs
Processes:
vbc.exepid process 368 vbc.exe -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 3 IoCs
Processes:
vbc.exevbc.execolorcpl.exedescription pid process target process PID 368 set thread context of 1636 368 vbc.exe vbc.exe PID 1636 set thread context of 1276 1636 vbc.exe Explorer.EXE PID 564 set thread context of 1276 564 colorcpl.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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Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
vbc.execolorcpl.exepid process 1636 vbc.exe 1636 vbc.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe 564 colorcpl.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1276 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
vbc.execolorcpl.exepid process 1636 vbc.exe 1636 vbc.exe 1636 vbc.exe 564 colorcpl.exe 564 colorcpl.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
vbc.execolorcpl.exedescription pid process Token: SeDebugPrivilege 1636 vbc.exe Token: SeDebugPrivilege 564 colorcpl.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1276 Explorer.EXE 1276 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1276 Explorer.EXE 1276 Explorer.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
vbc.exeExplorer.EXEcolorcpl.exedescription pid process target process PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 368 wrote to memory of 1636 368 vbc.exe vbc.exe PID 1276 wrote to memory of 564 1276 Explorer.EXE colorcpl.exe PID 1276 wrote to memory of 564 1276 Explorer.EXE colorcpl.exe PID 1276 wrote to memory of 564 1276 Explorer.EXE colorcpl.exe PID 1276 wrote to memory of 564 1276 Explorer.EXE colorcpl.exe PID 564 wrote to memory of 832 564 colorcpl.exe cmd.exe PID 564 wrote to memory of 832 564 colorcpl.exe cmd.exe PID 564 wrote to memory of 832 564 colorcpl.exe cmd.exe PID 564 wrote to memory of 832 564 colorcpl.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\colorcpl.exe"C:\Windows\SysWOW64\colorcpl.exe"2⤵
- Suspicious use of SetThreadContext
- 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\Admin\AppData\Local\Temp\vbc.exe"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nsy6D5.tmp\ancprnfrgdi.dllMD5
43e23cb30db04f30af162414f5fcb084
SHA12f8db11d592b1b28d56f9ba4e8666af458100a3b
SHA25694f51bd2bafd932f5c3ae824f2a2f93be2978c6b7c194f4f39231bce3ac7fac4
SHA512cb1ec23a47939760f6fd6e2e090124bf89c89190ed6cfe634274fdcded11fa868b7ca0c7379ec1452339e4c361a6c052f3bca9dfb44595309af02cfe16fa9daf
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memory/368-55-0x0000000075BB1000-0x0000000075BB3000-memory.dmpFilesize
8KB
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memory/564-65-0x00000000004A0000-0x00000000004B8000-memory.dmpFilesize
96KB
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memory/564-69-0x0000000001DD0000-0x0000000001E60000-memory.dmpFilesize
576KB
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memory/564-67-0x0000000001F60000-0x0000000002263000-memory.dmpFilesize
3.0MB
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memory/564-66-0x0000000000080000-0x00000000000A9000-memory.dmpFilesize
164KB
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memory/564-63-0x0000000000000000-mapping.dmp
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memory/832-68-0x0000000000000000-mapping.dmp
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memory/1276-62-0x0000000006C30000-0x0000000006D96000-memory.dmpFilesize
1.4MB
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memory/1276-70-0x00000000069D0000-0x0000000006ACF000-memory.dmpFilesize
1020KB
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memory/1636-61-0x0000000000360000-0x0000000000371000-memory.dmpFilesize
68KB
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memory/1636-60-0x00000000008A0000-0x0000000000BA3000-memory.dmpFilesize
3.0MB
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memory/1636-57-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB
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memory/1636-58-0x000000000041D410-mapping.dmp