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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
06/08/2023, 10:39
Static task
static1
Behavioral task
behavioral1
Sample
80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe
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Size
30KB
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MD5
80b019780e0d730bf212487a3260f8cd
-
SHA1
387b7e21c73d97a961b4068eb161966554e5d636
-
SHA256
834a7e1fe6f21ed7d6957667e374c239a45c53dca406f1adbbe0fd219ac33cb1
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SHA512
dca9d7342a0ec71bf54951859962f2d4e48529043d538fa4dce8860d467f4b3b70a6f46d98e69d431e5d61ecda7ab218589ca60f13efe6d84535a699d1dbe9b8
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SSDEEP
384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzo2E:b7o/2n1TCraU6GD1a4XC
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1632 rewok.exe -
Loads dropped DLL 1 IoCs
pid Process 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of UnmapMainImage 2 IoCs
pid Process 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe 1632 rewok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2456 wrote to memory of 1632 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe 28 PID 2456 wrote to memory of 1632 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe 28 PID 2456 wrote to memory of 1632 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe 28 PID 2456 wrote to memory of 1632 2456 80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\80b019780e0d730bf212487a3260f8cd_cryptolocker_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:1632
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
30KB
MD52813ef2cea7f73bad8143dc6eb225f52
SHA14bd1eb8a8005256915122fdca6854f856660fec3
SHA256af98a0dc3bbbb91bfa0996c9ea972aaf219a148dd91101c99d3aebe7a889b834
SHA5126517118175ed734a349fed1f1d705d6120b345f3ef510a187c3380bb0f8be208054dae873adb8e390411235fecab91b06f2897ee75589e8989d7937addb26603
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Filesize
30KB
MD52813ef2cea7f73bad8143dc6eb225f52
SHA14bd1eb8a8005256915122fdca6854f856660fec3
SHA256af98a0dc3bbbb91bfa0996c9ea972aaf219a148dd91101c99d3aebe7a889b834
SHA5126517118175ed734a349fed1f1d705d6120b345f3ef510a187c3380bb0f8be208054dae873adb8e390411235fecab91b06f2897ee75589e8989d7937addb26603
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Filesize
30KB
MD52813ef2cea7f73bad8143dc6eb225f52
SHA14bd1eb8a8005256915122fdca6854f856660fec3
SHA256af98a0dc3bbbb91bfa0996c9ea972aaf219a148dd91101c99d3aebe7a889b834
SHA5126517118175ed734a349fed1f1d705d6120b345f3ef510a187c3380bb0f8be208054dae873adb8e390411235fecab91b06f2897ee75589e8989d7937addb26603