Analysis
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max time kernel
0s -
max time network
147s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20221111-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20221111-enkernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
28-03-2023 02:03
Behavioral task
behavioral1
Sample
yxbitkdccc_.elf
Resource
ubuntu1804-amd64-20221111-en
ubuntu-18.04-amd64
6 signatures
150 seconds
General
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Target
yxbitkdccc_.elf
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Size
611KB
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MD5
a2279a054fba006fd74c3b61ddc6a3ef
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SHA1
df2a4c91d86be560c7c19628923b601af460258d
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SHA256
ce0f1914e0f0748f85ecc18d8470de2a0b2b60be7eaab7a459899f77993e82e6
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SHA512
089bf2ef2926e6cdd93412ce006fb06cf8c75f60c9adb475c4798532b2214e083b4d1a6dd29b864a77c9744a953e67a40c2dc7195661682cfaa268c549e9cbe5
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SSDEEP
12288:FBXOvdwV1/n/dQFhWlH/c1dHo4h9L+zNZrryT6yF8EEP4UlUuTh1AR:FBXmkN/+Fhu/Qo4h9L+zNNyBVEBl/91I
Score
9/10
Malware Config
Signatures
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Writes file to system bin folder 1 TTPs 6 IoCs
Processes:
description ioc /bin/zytlfltzey /bin/zytlfltzey /bin/nzapgyhvyp /bin/nzapgyhvyp /bin/sgtgzjbrnf /bin/sgtgzjbrnf /bin/rcmlnepbxp /bin/rcmlnepbxp /bin/vsgbdpsqxr /bin/vsgbdpsqxr /bin/iktmnhnuux /bin/iktmnhnuux -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
Processes:
sedshdescription ioc Process /etc/crontab /etc/crontab sed /etc/crontab /etc/crontab sh -
Modifies rc script 1 TTPs 12 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
Processes:
update-rc.ddescription ioc Process /etc/rc3.d/S90yxbitkdccc_.elf /etc/rc3.d/S90yxbitkdccc_.elf