Analysis
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max time kernel
178s -
max time network
188s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
24-09-2021 20:04
Static task
static1
Behavioral task
behavioral1
Sample
PROFORMA-PDA 00GGTBGX00001A.xlsx
Resource
win7v20210408
Behavioral task
behavioral2
Sample
PROFORMA-PDA 00GGTBGX00001A.xlsx
Resource
win10-en-20210920
General
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Target
PROFORMA-PDA 00GGTBGX00001A.xlsx
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Size
362KB
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MD5
3428e8b6d05df7add0dd9914432467a0
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SHA1
89cd998b04e84731ebd9ec51c3d72ef40b15249e
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SHA256
2a6b9eb5645b5e292c85eeb7236eb00361e74ece1e8debfb33873bc72461a67e
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SHA512
54844961e87bda2d971c82a506365cf62cdb9918fe98d379101d984883eaf6014e1ab564de5edc6b38f90838895da89a0ec973b5c2a5094833e179646581cd2d
Malware Config
Extracted
xloader
2.5
9gdg
http://www.dechocolate.online/9gdg/
cao-catos.ca
humanityumbrella.com
heatherflintford.com
paddyjulian.com
venturedart.com
pimpyoursmile.com
shellbacklabs.com
acesteeisupply.com
socotrajeweltours.com
aykutozden.com
corncobmeal.com
lesbiansforever.com
picknock.com
pawspetreiki.com
waikikidesignco.com
lelittnpasumo4.xyz
billing-updating.info
barangdapo.com
gatorfirerescue.com
jmovt.com
yozotnpasumo4.xyz
theindiandreams.com
javfish.com
algorham.photography
eurocustompainting.com
commentcard.club
probinns.com
yourlenderjake.net
bestofmdi.guide
miniperfumeria.com
shanxishuangcheng.com
viviantle.com
metaverseliveshopping.com
xn--vckzfv91k.com
garygoodtime.com
meysaninsaat.com
vietnamagritourism.online
greenpillers.net
hughhegartyhedgecutting.com
clarkdn.com
b148t1rfm01qvtbnvgc5418.com
trump-911-memorial.com
seekr.tech
amarettoliqueur.info
planext4u.com
dzairfoot24.com
freshstartdaycarecenterinc.com
redwoodwomen.com
reallyfuntastic.com
cc-expert.com
vaccineexemption.net
goforgreentech.com
800maintenance.services
xn--zimmerei-lking-psb.info
football-latest.mobi
livenetsex.com
christinamossoriginals.com
zebraadz.com
targonia.com
pampashub.com
pallavitatelier.com
aboveallsupplies.com
hyderabadgroceries.com
starpluscommercial.com
Signatures
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suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
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suricata: ET MALWARE Possible Malicious Macro DL EXE Feb 2016
suricata: ET MALWARE Possible Malicious Macro DL EXE Feb 2016
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Xloader Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1784-72-0x0000000000400000-0x0000000000429000-memory.dmp xloader behavioral1/memory/1784-73-0x000000000041D4A0-mapping.dmp xloader behavioral1/memory/900-82-0x00000000000D0000-0x00000000000F9000-memory.dmp xloader -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 5 268 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1172 vbc.exe 1784 vbc.exe -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEvbc.exepid process 268 EQNEDT32.EXE 268 EQNEDT32.EXE 268 EQNEDT32.EXE 1172 vbc.exe -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 3 IoCs
Processes:
vbc.exevbc.execmstp.exedescription pid process target process PID 1172 set thread context of 1784 1172 vbc.exe vbc.exe PID 1784 set thread context of 1244 1784 vbc.exe Explorer.EXE PID 900 set thread context of 1244 900 cmstp.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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NSIS installer 12 IoCs
Processes:
resource yara_rule \Users\Public\vbc.exe nsis_installer_1 \Users\Public\vbc.exe nsis_installer_2 \Users\Public\vbc.exe nsis_installer_1 \Users\Public\vbc.exe nsis_installer_2 \Users\Public\vbc.exe nsis_installer_1 \Users\Public\vbc.exe nsis_installer_2 C:\Users\Public\vbc.exe nsis_installer_1 C:\Users\Public\vbc.exe nsis_installer_2 C:\Users\Public\vbc.exe nsis_installer_1 C:\Users\Public\vbc.exe nsis_installer_2 C:\Users\Public\vbc.exe nsis_installer_1 C:\Users\Public\vbc.exe nsis_installer_2 -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.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:
EXCEL.EXEdescription ioc process 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" EXCEL.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" EXCEL.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" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.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" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1640 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
vbc.execmstp.exepid process 1784 vbc.exe 1784 vbc.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe 900 cmstp.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1244 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
vbc.execmstp.exepid process 1784 vbc.exe 1784 vbc.exe 1784 vbc.exe 900 cmstp.exe 900 cmstp.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
vbc.execmstp.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1784 vbc.exe Token: SeDebugPrivilege 900 cmstp.exe Token: SeShutdownPrivilege 1244 Explorer.EXE Token: SeShutdownPrivilege 1244 Explorer.EXE Token: SeShutdownPrivilege 1244 Explorer.EXE -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
Explorer.EXEpid process 1244 Explorer.EXE 1244 Explorer.EXE 1244 Explorer.EXE 1244 Explorer.EXE -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
Explorer.EXEpid process 1244 Explorer.EXE 1244 Explorer.EXE 1244 Explorer.EXE 1244 Explorer.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1640 EXCEL.EXE 1640 EXCEL.EXE 1640 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EQNEDT32.EXEvbc.exeExplorer.EXEcmstp.exedescription pid process target process PID 268 wrote to memory of 1172 268 EQNEDT32.EXE vbc.exe PID 268 wrote to memory of 1172 268 EQNEDT32.EXE vbc.exe PID 268 wrote to memory of 1172 268 EQNEDT32.EXE vbc.exe PID 268 wrote to memory of 1172 268 EQNEDT32.EXE vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1172 wrote to memory of 1784 1172 vbc.exe vbc.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 1244 wrote to memory of 900 1244 Explorer.EXE cmstp.exe PID 900 wrote to memory of 532 900 cmstp.exe cmd.exe PID 900 wrote to memory of 532 900 cmstp.exe cmd.exe PID 900 wrote to memory of 532 900 cmstp.exe cmd.exe PID 900 wrote to memory of 532 900 cmstp.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\PROFORMA-PDA 00GGTBGX00001A.xlsx"2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\cmstp.exe"C:\Windows\SysWOW64\cmstp.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\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
- Loads dropped DLL
- 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
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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C:\Users\Public\vbc.exeMD5
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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C:\Users\Public\vbc.exeMD5
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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\Users\Admin\AppData\Local\Temp\nsa5AFB.tmp\iynunsqb.dllMD5
fdb24702ac3d38f586aa0343d71ba1d5
SHA1662c61e11802ae875d864c6b8002ecfa5d7872f1
SHA256e2bd42815d0ad61ad0f55056b9e78939a025f8b63c204afbf1ea1abf64adb71c
SHA51226a86d2a7c7a4ef06e562e8cf2a40fd343b721539ef1808de6e1c6fa75a3bd1e2e3b85542aad76264792e776439e9dd1fe4fc282dee7a32948e2caa03a8e7051
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\Users\Public\vbc.exeMD5
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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\Users\Public\vbc.exeMD5
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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\Users\Public\vbc.exeMD5
0efbf49197257609b692c8579c7c15cd
SHA15390a1eb61e84c9d546178e7c43a810c309f9013
SHA2566724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
SHA512823c648b4a3a196d98446ca9c5177cbd8ac0c753e372daf789ca8f6b3848344160b859de9e0a353d252a37b112abe30f8f5e0a28ceae6da61d47928f80c19a1c
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memory/268-63-0x0000000075041000-0x0000000075043000-memory.dmpFilesize
8KB
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memory/532-80-0x0000000000000000-mapping.dmp
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memory/900-83-0x0000000001EF0000-0x00000000021F3000-memory.dmpFilesize
3.0MB
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memory/900-81-0x00000000007B0000-0x00000000007C8000-memory.dmpFilesize
96KB
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memory/900-84-0x0000000001D60000-0x0000000001DF0000-memory.dmpFilesize
576KB
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memory/900-82-0x00000000000D0000-0x00000000000F9000-memory.dmpFilesize
164KB
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memory/900-78-0x0000000000000000-mapping.dmp
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memory/1172-67-0x0000000000000000-mapping.dmp
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memory/1244-77-0x00000000078A0000-0x0000000007A0A000-memory.dmpFilesize
1.4MB
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memory/1244-85-0x0000000006670000-0x0000000006793000-memory.dmpFilesize
1.1MB
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memory/1640-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1640-61-0x0000000070D71000-0x0000000070D73000-memory.dmpFilesize
8KB
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memory/1640-60-0x000000002F9D1000-0x000000002F9D4000-memory.dmpFilesize
12KB
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memory/1640-86-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1784-75-0x0000000000800000-0x0000000000B03000-memory.dmpFilesize
3.0MB
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memory/1784-76-0x00000000002C0000-0x00000000002D1000-memory.dmpFilesize
68KB
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memory/1784-73-0x000000000041D4A0-mapping.dmp
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memory/1784-72-0x0000000000400000-0x0000000000429000-memory.dmpFilesize
164KB