Analysis
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max time kernel
148s -
max time network
143s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
26-10-2021 16:47
Static task
static1
Behavioral task
behavioral1
Sample
Purchase Order.exe
Resource
win7-en-20210920
General
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Target
Purchase Order.exe
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Size
381KB
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MD5
8d3e4ec645035a23fa7ab2d680c32dc7
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SHA1
c0eb8698c0117052af566f1128c468a06e1c0161
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SHA256
b5806010e9548290a677944c53947165287883961f63490ce495203e35521ffe
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SHA512
4e777d18685052678060eeb8a5621b6e7008be794ec410cca2401a76c384097be5fb14071637c6ebba258d65dad97be69ecdb10c2cfad832d4f0f5760e108d01
Malware Config
Extracted
formbook
4.1
dn7r
http://www.yourherogarden.net/dn7r/
eventphotographerdfw.com
thehalalcoinstaking.com
philipfaziofineart.com
intercoh.com
gaiaseyephotography.com
chatbotforrealestate.com
lovelancemg.com
marlieskasberger.com
elcongoenespanol.info
lepirecredit.com
distribution-concept.com
e99game.com
exit11festival.com
twodollartoothbrushclub.com
cocktailsandlawn.com
performimprove.network
24horas-telefono-11840.com
cosmossify.com
kellenleote.com
perovskite.energy
crosschain.services
xiwanghe.com
mollycayton.com
bonipay.com
uuwyxc.com
viberiokno-online.com
mobceo.com
menzelna.com
tiffaniefoster.com
premiumautowesthartford.com
ownhome.house
bestmartinshop.com
splashstoreofficial.com
guidemining.com
ecshopdemo.com
bestprinting1.com
s-circle2020.com
ncagency.info
easydigitalzone.com
reikiforthecollective.com
theknottteam.com
evolvedpixel.com
japxo.online
ryansqualityrenovations.com
dentimagenquito.net
pantherprints.co.uk
apoporangi.com
thietkemietvuon.net
ifernshop.com
casaruralesgranada.com
camp-3saumons.com
eddsucks.com
blwcd.com
deldlab.com
susanperb.com
autosanitizingsolutions.com
femhouse.com
ironcageclash.com
thekinghealer.com
shaghayeghbovand.com
advertfaces.com
lonriley.com
mased-world.online
mythicspacex.com
Signatures
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Formbook Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2704-116-0x0000000000400000-0x000000000042F000-memory.dmp formbook behavioral2/memory/2704-117-0x000000000041F200-mapping.dmp formbook behavioral2/memory/1924-125-0x0000000003030000-0x000000000305F000-memory.dmp formbook -
Loads dropped DLL 1 IoCs
Processes:
Purchase Order.exepid process 2744 Purchase Order.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Purchase Order.exePurchase Order.exemsdt.exedescription pid process target process PID 2744 set thread context of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2704 set thread context of 3004 2704 Purchase Order.exe Explorer.EXE PID 1924 set thread context of 3004 1924 msdt.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 58 IoCs
Processes:
Purchase Order.exemsdt.exepid process 2704 Purchase Order.exe 2704 Purchase Order.exe 2704 Purchase Order.exe 2704 Purchase Order.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe 1924 msdt.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 3004 Explorer.EXE -
Suspicious behavior: MapViewOfSection 5 IoCs
Processes:
Purchase Order.exemsdt.exepid process 2704 Purchase Order.exe 2704 Purchase Order.exe 2704 Purchase Order.exe 1924 msdt.exe 1924 msdt.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchase Order.exemsdt.exedescription pid process Token: SeDebugPrivilege 2704 Purchase Order.exe Token: SeDebugPrivilege 1924 msdt.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Purchase Order.exeExplorer.EXEmsdt.exedescription pid process target process PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 2744 wrote to memory of 2704 2744 Purchase Order.exe Purchase Order.exe PID 3004 wrote to memory of 1924 3004 Explorer.EXE msdt.exe PID 3004 wrote to memory of 1924 3004 Explorer.EXE msdt.exe PID 3004 wrote to memory of 1924 3004 Explorer.EXE msdt.exe PID 1924 wrote to memory of 3232 1924 msdt.exe cmd.exe PID 1924 wrote to memory of 3232 1924 msdt.exe cmd.exe PID 1924 wrote to memory of 3232 1924 msdt.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autoconv.exe"C:\Windows\SysWOW64\autoconv.exe"2⤵
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C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.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\Purchase Order.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nszCF58.tmp\tywjgblojsy.dllMD5
13befe3a2f68f89c1017eeab3edd1732
SHA164bcba004f96d231c93654c64dc5b0d660ff7cf3
SHA256058b1ef14f0a70351388bd232e5cc60deca90f4e17c30877098d168b178a9c74
SHA5129926c0b270dc425d2be96973f6fc4cb2cf193e801136e6593438b04699d136ce9879dcdd8e707609412ed69dfbe1d5217ad6b1ab42b1be9ed99fe3b503b5e042
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memory/1924-125-0x0000000003030000-0x000000000305F000-memory.dmpFilesize
188KB
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memory/1924-122-0x0000000000000000-mapping.dmp
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memory/1924-124-0x00000000008E0000-0x0000000000A53000-memory.dmpFilesize
1.4MB
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memory/1924-126-0x0000000004ED0000-0x00000000051F0000-memory.dmpFilesize
3.1MB
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memory/1924-127-0x0000000004C30000-0x0000000004CC4000-memory.dmpFilesize
592KB
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memory/2704-117-0x000000000041F200-mapping.dmp
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memory/2704-118-0x0000000000AB0000-0x0000000000DD0000-memory.dmpFilesize
3.1MB
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memory/2704-120-0x00000000009E0000-0x00000000009F5000-memory.dmpFilesize
84KB
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memory/2704-116-0x0000000000400000-0x000000000042F000-memory.dmpFilesize
188KB
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memory/3004-121-0x0000000004E50000-0x0000000004F5A000-memory.dmpFilesize
1.0MB
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memory/3004-128-0x0000000005C20000-0x0000000005D9F000-memory.dmpFilesize
1.5MB
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memory/3232-123-0x0000000000000000-mapping.dmp