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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2024, 11:26 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe
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Size
71KB
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MD5
991e1ee91cd9f41e9972d7d109714019
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SHA1
df96dc5016a5493a4f31436d8a7daa241ac1d6a4
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SHA256
d107006fee531da3b23d321c9ee06a3ab951cf2021d75000a516a1b6246a2010
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SHA512
02a8634a4d01fe84f32a7624b4c85d7d887d4097dc5217074d21059e1cd98b68d1688749fb00835f443624bd248c3f47cc35a1ac8ac73f97122639e716e2da33
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5FlO:V6QFElP6n+gMQMOtEvwDpjyaLccVNElO
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 4668 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1800 wrote to memory of 4668 1800 2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe 86 PID 1800 wrote to memory of 4668 1800 2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe 86 PID 1800 wrote to memory of 4668 1800 2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-13_991e1ee91cd9f41e9972d7d109714019_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4668
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Network
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Remote address:8.8.8.8:53Requestemrlogistics.comIN AResponseemrlogistics.comIN CNAMEtraff-6.hugedomains.comtraff-6.hugedomains.comIN CNAMEhdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.comhdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.comIN A3.140.13.188hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.comIN A18.119.154.66
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Remote address:8.8.8.8:53Request64.159.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request83.210.23.2.in-addr.arpaIN PTRResponse83.210.23.2.in-addr.arpaIN PTRa2-23-210-83deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request43.58.199.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request200.163.202.172.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request171.39.242.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request98.117.19.2.in-addr.arpaIN PTRResponse98.117.19.2.in-addr.arpaIN PTRa2-19-117-98deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request88.210.23.2.in-addr.arpaIN PTRResponse88.210.23.2.in-addr.arpaIN PTRa2-23-210-88deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request11.227.111.52.in-addr.arpaIN PTRResponse
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260 B 5
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260 B 5
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260 B 5
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260 B 5
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260 B 5
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260 B 5
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260 B 5
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104 B 2
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62 B 193 B 1 1
DNS Request
emrlogistics.com
DNS Response
3.140.13.18818.119.154.66
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72 B 158 B 1 1
DNS Request
64.159.190.20.in-addr.arpa
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70 B 133 B 1 1
DNS Request
83.210.23.2.in-addr.arpa
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73 B 144 B 1 1
DNS Request
95.221.229.192.in-addr.arpa
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71 B 157 B 1 1
DNS Request
43.58.199.20.in-addr.arpa
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74 B 160 B 1 1
DNS Request
200.163.202.172.in-addr.arpa
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72 B 158 B 1 1
DNS Request
171.39.242.20.in-addr.arpa
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70 B 133 B 1 1
DNS Request
98.117.19.2.in-addr.arpa
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70 B 133 B 1 1
DNS Request
88.210.23.2.in-addr.arpa
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72 B 158 B 1 1
DNS Request
11.227.111.52.in-addr.arpa
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
71KB
MD593f8c105211c3d3fcbb20ab30a56373e
SHA13fce8fe7a02ce17e1715bcd744988ef740de77d9
SHA256b8b228706be96c6619b84e5e5d8d099c9bae57d609163a17cf2df7d19ed2229d
SHA512c7bd2272bd51b259d7bd6bdd2a30695f38f11b9453470b368b75d6042707c2d38432b56e448c34a78e863da3dd477336be53b417e3abce61c8432f9ed27395f0