Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
20-11-2023 14:07
Static task
static1
Behavioral task
behavioral1
Sample
668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe
Resource
win10v2004-20231023-en
General
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Target
668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe
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Size
4.0MB
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MD5
537e327faa2df681c72131cbf61ac946
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SHA1
8a778e8c7c1aa19ec4c1d32db9a73711dd280fec
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SHA256
668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518
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SHA512
cc759c816c6d8b47d4b76e3fd3b9d0afa761c8e4aa2f44677a5a28a4ce076365c005cfbb68927e66ccab51cfd8ee8223572224cf76221beafd7c2ef6f451f750
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SSDEEP
98304:7dHsdNZFu6xd3CZangMbxlif4HwNoVnH6vhkL+unlqnf7e:pHsdNZFu4Co0fEw6VnHoPnf7e
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 4976 is-OEFOQ.tmp 1780 ZxingPDF.exe 3332 ZxingPDF.exe -
Loads dropped DLL 1 IoCs
pid Process 4976 is-OEFOQ.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc 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\Lang\is-VN83O.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-VMJRC.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-VPFE1.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-A813M.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\is-2FQGI.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-84ACQ.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-RQQKM.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-6J3UG.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-9KRK0.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Online\is-7S4FL.tmp is-OEFOQ.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\is-3PP3A.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-O8C5H.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-PC79M.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-9VGPU.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-6DGDK.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\unins000.dat is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-E1NP5.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-5N40B.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-R704S.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-DJME6.tmp is-OEFOQ.tmp File opened for modification C:\Program Files (x86)\ZxingPDF\unins000.dat is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-268O5.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-A8PJJ.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Help\is-VLT8M.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Plugins\is-DVO0M.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-BLCMU.tmp is-OEFOQ.tmp File created C:\Program Files (x86)\ZxingPDF\Lang\is-KCID7.tmp is-OEFOQ.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 4696 wrote to memory of 4976 4696 668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe 91 PID 4696 wrote to memory of 4976 4696 668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe 91 PID 4696 wrote to memory of 4976 4696 668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe 91 PID 4976 wrote to memory of 5068 4976 is-OEFOQ.tmp 93 PID 4976 wrote to memory of 5068 4976 is-OEFOQ.tmp 93 PID 4976 wrote to memory of 5068 4976 is-OEFOQ.tmp 93 PID 4976 wrote to memory of 1780 4976 is-OEFOQ.tmp 94 PID 4976 wrote to memory of 1780 4976 is-OEFOQ.tmp 94 PID 4976 wrote to memory of 1780 4976 is-OEFOQ.tmp 94 PID 4976 wrote to memory of 3332 4976 is-OEFOQ.tmp 96 PID 4976 wrote to memory of 3332 4976 is-OEFOQ.tmp 96 PID 4976 wrote to memory of 3332 4976 is-OEFOQ.tmp 96
Processes
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C:\Users\Admin\AppData\Local\Temp\668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe"C:\Users\Admin\AppData\Local\Temp\668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4696 -
C:\Users\Admin\AppData\Local\Temp\is-927AF.tmp\is-OEFOQ.tmp"C:\Users\Admin\AppData\Local\Temp\is-927AF.tmp\is-OEFOQ.tmp" /SL4 $5011A "C:\Users\Admin\AppData\Local\Temp\668457d2bdbc424da6db1874fb025bad61b85fa6fe8aa8bc8665331fbccdd518.exe" 3885557 2421762⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:5068
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -i3⤵
- Executes dropped EXE
PID:1780
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C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe"C:\Program Files (x86)\ZxingPDF\ZxingPDF.exe" -s3⤵
- Executes dropped EXE
PID:3332
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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
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
643KB
MD5a991510c12f20ccf8a5231a32a7958c3
SHA1122724d1a4fdea39af3aa427e4941158d7e91dfa
SHA2560c3ab280e156e9ff6a325267bc5d721f71dcb12490a53a03a033d932272f9198
SHA5128f387a6189f6fa51f84004706589ed1706dfd08dfc38c1f8ce3ce010f37efac085fd241396ab69bc25c86174a4637492163bf3cb26f88639551dc9fa0c52eafa
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63