Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
16/08/2023, 18:24
Behavioral task
behavioral1
Sample
0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe
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Size
95KB
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MD5
0daa840067e1bff6812f4f2067124cde
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SHA1
9db6d07f47026e99237989e9d4fd5871f3967c20
-
SHA256
ae3288a6c7da672d11872d1cb2453e7eef900af2c1521e725f62500628467394
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SHA512
114e555faaf2fbcb80f1d25b043359c8186bd616e2beff5fd1addb3f88830664149560cb75615aa94c232a9494986107e225157d049dbac276639575f6483849
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsvi5:AnBdOOtEvwDpj6zj
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1980 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1472 0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe -
resource yara_rule behavioral1/memory/1472-54-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x0008000000012026-65.dat upx behavioral1/files/0x0008000000012026-68.dat upx behavioral1/memory/1472-69-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/memory/1980-70-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x0008000000012026-79.dat upx behavioral1/memory/1980-80-0x0000000000500000-0x000000000050F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1472 wrote to memory of 1980 1472 0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe 28 PID 1472 wrote to memory of 1980 1472 0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe 28 PID 1472 wrote to memory of 1980 1472 0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe 28 PID 1472 wrote to memory of 1980 1472 0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\0daa840067e1bff6812f4f2067124cde_cryptolocker_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
95KB
MD526939694cc08b2ec72b56dde9933eb9f
SHA110cc1dcec76a99e1813bee4cb4bb18816fcc220c
SHA25683d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915
SHA51296d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd
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Filesize
95KB
MD526939694cc08b2ec72b56dde9933eb9f
SHA110cc1dcec76a99e1813bee4cb4bb18816fcc220c
SHA25683d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915
SHA51296d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd
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Filesize
95KB
MD526939694cc08b2ec72b56dde9933eb9f
SHA110cc1dcec76a99e1813bee4cb4bb18816fcc220c
SHA25683d85295544770cae9026950c252b1a595cf117fa5f8e977f048b4086fcee915
SHA51296d9e2b3f1b49fddf346496f4cac78f2c74f96841577d86b5c5cd814d3438cada6b4e1c4c5032d3a0803324017a02d7720c00838cb6bdb86583ffb25d9a470cd