Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231025-en -
resource tags
arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system -
submitted
23/11/2023, 23:24
Static task
static1
Behavioral task
behavioral1
Sample
a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe
Resource
win10v2004-20231025-en
General
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Target
a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe
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Size
4.0MB
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MD5
a8b66ce080b2104ae28674a6569df604
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SHA1
491079b21bca7e5a6283c0f35b541f2bf45c1bf5
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SHA256
a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142
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SHA512
dcfa9b36caba14c0c78c392464126f719faa26c5da9a25fe146377f1de162f9447cdb72fab7384b86bf41f459ed19c8a410a1eace8bc32738591e4ad256374ff
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SSDEEP
98304:RdHsdNZFu6xd3CZangMbxlif4HwNoVnH6vhkL+unlqnf7e:jHsdNZFu4Co0fEw6VnHoPnf7e
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4756 is-9TS3C.tmp 1904 ZxingPDF.exe 5096 ZxingPDF.exe -
Loads dropped DLL 1 IoCs
pid Process 4756 is-9TS3C.tmp -
Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 217.23.6.51 Destination IP 217.23.9.168 Destination IP 151.80.38.159 Destination IP 51.159.66.125 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 28 IoCs
description ioc Process File created C:\Program Files (x86)\ZxingPDF\Online\is-VGC6H.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-QESI6.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-JKNSE.tmp is-9TS3C.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-UI0UL.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-5QIGM.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-1U0UL.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-UPS2D.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-JJ9DE.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-Q51V5.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-OPHEO.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-FKAMH.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-L2GIM.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\is-J14FJ.tmp is-9TS3C.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\unins000.dat is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-0A40H.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-SGGOK.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-5T4DL.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-AFKHE.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Help\is-4ICRB.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\unins000.dat is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\is-VMS9I.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-GGSGF.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-2G9CT.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-35Q0G.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-OL5OK.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-QABSG.tmp is-9TS3C.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-K1DEP.tmp is-9TS3C.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4716 wrote to memory of 4756 4716 a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe 86 PID 4716 wrote to memory of 4756 4716 a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe 86 PID 4716 wrote to memory of 4756 4716 a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe 86 PID 4756 wrote to memory of 3964 4756 is-9TS3C.tmp 90 PID 4756 wrote to memory of 3964 4756 is-9TS3C.tmp 90 PID 4756 wrote to memory of 3964 4756 is-9TS3C.tmp 90 PID 4756 wrote to memory of 1904 4756 is-9TS3C.tmp 91 PID 4756 wrote to memory of 1904 4756 is-9TS3C.tmp 91 PID 4756 wrote to memory of 1904 4756 is-9TS3C.tmp 91 PID 4756 wrote to memory of 5096 4756 is-9TS3C.tmp 93 PID 4756 wrote to memory of 5096 4756 is-9TS3C.tmp 93 PID 4756 wrote to memory of 5096 4756 is-9TS3C.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe"C:\Users\Admin\AppData\Local\Temp\a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4716 -
C:\Users\Admin\AppData\Local\Temp\is-OJLHC.tmp\is-9TS3C.tmp"C:\Users\Admin\AppData\Local\Temp\is-OJLHC.tmp\is-9TS3C.tmp" /SL4 $D0218 "C:\Users\Admin\AppData\Local\Temp\a027b2897f9ca25886dabf6474887b546381df6133fb7542837a62f9e2ee9142.exe" 3885557 2421762⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4756 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3964
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i3⤵
- Executes dropped EXE
PID:1904
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s3⤵
- Executes dropped EXE
PID:5096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
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Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
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Filesize
2.0MB
MD5804f369f06b808caa1ad76798e957052
SHA115b925b2c163fabb2a799c040378a4df4f8fa94d
SHA256406340fa17faca2d481a91f9ec640ab63a46c2d7b947b05ceebf31c91ca0f483
SHA512cac4faa83d6072763efde4ada53d19d107c1034008cb82a57cb5c0dc7ba5c060249dc81deb6550bc04ec151a909822420ff1072bfbc05fdbc1b7dafd03ccea14
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa