Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24/01/2024, 19:26 UTC
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe
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Size
40KB
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MD5
b76748b65cfb6d82f13b84494b39053e
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SHA1
5024c7f34038abd41ea9dfea5c838243ab08cd60
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SHA256
f7cd95fd0a0db32dc0b4677fded62ff3bf37fbddd7f1afd526b2cd4428d74f56
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SHA512
77c3d2a35977a14dbfc8ec2151b1d48b9c1b6b6e696fa3fe8833ba62f75c486af3b128a623cda475157a49b6c6b11749984cca3dd3f1bbd69fd811ddad196b18
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SSDEEP
768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8PEe:bIDOw9a0Dwo3P1ojvUSDhce
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000f000000023164-12.dat CryptoLocker_rule2 -
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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation 2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 5024 lossy.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1472 wrote to memory of 5024 1472 2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe 87 PID 1472 wrote to memory of 5024 1472 2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe 87 PID 1472 wrote to memory of 5024 1472 2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-24_b76748b65cfb6d82f13b84494b39053e_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:5024
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Network
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request104.219.191.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request178.178.17.96.in-addr.arpaIN PTRResponse178.178.17.96.in-addr.arpaIN PTRa96-17-178-178deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2.181.190.20.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request95.221.229.192.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request217.106.137.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request86.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request206.23.85.13.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request134.71.91.104.in-addr.arpaIN PTRResponse134.71.91.104.in-addr.arpaIN PTRa104-91-71-134deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request16.234.44.23.in-addr.arpaIN PTRResponse16.234.44.23.in-addr.arpaIN PTRa23-44-234-16deploystaticakamaitechnologiescom
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request240.221.184.93.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request13.227.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request13.227.111.52.in-addr.arpaIN PTRResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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Remote address:8.8.8.8:53Request2ndry.comIN AResponse
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55 B 128 B 1 1
DNS Request
2ndry.com
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73 B 147 B 1 1
DNS Request
104.219.191.52.in-addr.arpa
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72 B 137 B 1 1
DNS Request
178.178.17.96.in-addr.arpa
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71 B 157 B 1 1
DNS Request
2.181.190.20.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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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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73 B 147 B 1 1
DNS Request
217.106.137.52.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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70 B 144 B 1 1
DNS Request
86.23.85.13.in-addr.arpa
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71 B 145 B 1 1
DNS Request
206.23.85.13.in-addr.arpa
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72 B 137 B 1 1
DNS Request
134.71.91.104.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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71 B 135 B 1 1
DNS Request
16.234.44.23.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
-
55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
-
55 B 128 B 1 1
DNS Request
2ndry.com
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73 B 144 B 1 1
DNS Request
240.221.184.93.in-addr.arpa
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
-
55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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55 B 128 B 1 1
DNS Request
2ndry.com
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144 B 316 B 2 2
DNS Request
13.227.111.52.in-addr.arpa
DNS Request
13.227.111.52.in-addr.arpa
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
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110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
-
110 B 256 B 2 2
DNS Request
2ndry.com
DNS Request
2ndry.com
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
40KB
MD5e67455d6b61e51af6bd7c61f78a89aca
SHA17fc6c4552b01efd2487e8255957d329193136b02
SHA2567bc019d51da756ef9f517750a2cec533a0f4af79997f367fcc3ba6faf6d22e31
SHA51225aaf5e9ba80a785dfc7151834b6178db5d92a0c7f4cc2ec7573271be65f603dff027680121db5d320d506635f3238fbd0f073346ff572d481f8bfb2252f1ddc