Analysis
- max time kernel
148s - max time network
148s - platform
windows10_x64 - resource
win10v200722 - submitted
13/10/2020, 06:48
Static task
static1
Behavioral task
behavioral1
Sample
PO 20201013_file_xls.exe
Resource
win7
General
- Target PO 20201013_file_xls.exe
- Size 707KB
- Sample201013-66fgflnc8s
- SHA256 af61853ca27001c0721463fce68bb033a9084e9fcd0c6ced3acd7fc3ea0e957a
- MD5 6226c8dd2ad642b61e23a63b7e4f85ab
- SHA1 2cb49d89316e2001d159822ac70a07e7ef4b776d
- SHA512 18bc29220315e954fb4fad037d5b796b0598aef20abde538b6e83bfdd7069783fff0fdb3e560f0c45da5765504793e4892db3f037f90d2ef0813d2972e45da46
- MD5 SHA1 SHA512
Malware Config
Extracted
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formbook
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http://www.mybriefbox.com/sdk/
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mosquitobandidos.com
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yisecurityfirst.com
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faip777.icu
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nc-tv.com
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tifeeds.com
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techlez.com
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newalbanyironworks.com
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shadent.store
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therealworldtravel.com
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cryptocoinminingpro.com
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lobard.com
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iamforexbots.com
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cottnon.com
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dandaanyar.com
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browtopia.space
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mo-diamond-mining.com
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inteholistichealth.clinic
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bhargavmistry.com
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justgraceboutique.com
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africanwomenabroad.com
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clewsclinical.community
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znfawmh.icu
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solutionmirror.com
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nicolasghetti.com
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nachividalshop.com
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naturajewellery.com
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unlimitedfp.com
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puzzlezen.com
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casablancamedspa.com
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fejsebesete.com
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khstuonostore.store
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orbit-vitals.com
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keybest.store
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hyundaiturkey.com
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blackownedcommunities.com
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primxent.com
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kokoreccibahtiyar.com
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xdai.exchange
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movitecsandiego.com
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27001-iso.com
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zwp.xyz
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nielsensurevey.com
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beautychoicecosmetics.com
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miyakekodomoiin.com
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handmadefurniturestore.com
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fenhstore.com
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slingmod.net
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donvalleyauto.com
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rlq.xyz
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saunderslakerental.com
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zlkgntr.icu
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davesmbit.com
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upcas.info
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ruiyu8.com
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ysth.xyz
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blingbutterflies.com
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hazyblurcreative.com
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sweetymemory.com
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unvdigital.com
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oneforalldistribution.com
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rhonda4richland2.com
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financingfordentalwork.com
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545amsports.com
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daisycartoon.com
Signatures
- Formbook Payload 3 IoCs
resource yara_rule behavioral2/memory/348-10-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral2/memory/348-11-0x000000000041EB00-mapping.dmp formbook behavioral2/memory/1880-13-0x0000000000000000-mapping.dmp formbook - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3956 set thread context of 348 3956 PO 20201013_file_xls.exe 77 PID 348 set thread context of 3060 348 PO 20201013_file_xls.exe 56 PID 1880 set thread context of 3060 1880 cmd.exe 56 - Suspicious behavior: EnumeratesProcesses 47 IoCs
pid Process 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 3956 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe 1880 cmd.exe - Suspicious behavior: MapViewOfSection 5 IoCs
pid Process 348 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 348 PO 20201013_file_xls.exe 1880 cmd.exe 1880 cmd.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3956 PO 20201013_file_xls.exe Token: SeDebugPrivilege 348 PO 20201013_file_xls.exe Token: SeDebugPrivilege 1880 cmd.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3956 wrote to memory of 3036 3956 PO 20201013_file_xls.exe 75 PID 3956 wrote to memory of 3036 3956 PO 20201013_file_xls.exe 75 PID 3956 wrote to memory of 3036 3956 PO 20201013_file_xls.exe 75 PID 3956 wrote to memory of 740 3956 PO 20201013_file_xls.exe 76 PID 3956 wrote to memory of 740 3956 PO 20201013_file_xls.exe 76 PID 3956 wrote to memory of 740 3956 PO 20201013_file_xls.exe 76 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3956 wrote to memory of 348 3956 PO 20201013_file_xls.exe 77 PID 3060 wrote to memory of 1880 3060 Explorer.EXE 78 PID 3060 wrote to memory of 1880 3060 Explorer.EXE 78 PID 3060 wrote to memory of 1880 3060 Explorer.EXE 78 PID 1880 wrote to memory of 3068 1880 cmd.exe 79 PID 1880 wrote to memory of 3068 1880 cmd.exe 79 PID 1880 wrote to memory of 3068 1880 cmd.exe 79
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"{path}"3⤵PID:3036
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C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"{path}"3⤵PID:740
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C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"{path}"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:348
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\PO 20201013_file_xls.exe"3⤵PID:3068
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