Analysis
- max time kernel
13s - max time network
16s - platform
debian-9_mips - resource
debian9-mipsbe-20260513-en - resource tags
arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem - submitted
02/06/2026, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
dotnet-install.sh
Resource
ubuntu1804-amd64-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
dotnet-install.sh
Resource
debian9-armhf-20260513-en
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
dotnet-install.sh
Resource
debian9-mipsbe-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
dotnet-install.sh
Resource
debian9-mipsel-20260513-en
2 signatures
150 seconds
General
- Target dotnet-install.sh
- Size 62KB
- Sample260602-pf91eses2l
- SHA256 082f7685e156738a1b2e2ed8381a621870d4ce8e8c59278034556f05c186eb2e
- MD5 bbbd1f898ceb859c30145f6293686e62
- SHA1 87591a1214a299e311abd86da144c433dedf7973
- SHA512 74c0e9674d98c8676d56929b8afd322cd6b76d0a323099f94f878b5241fbaf5b2ec817278024516e8811274766074963c80f08c26fe974023b308f2c2e94be37
- SSDEEP 768:YfYsIleU+7kASqI6vliiWHPkiLTOFnxJF0SW4F:Yoe77TqOLfF
- TLSH T16D53B74ABDC2E1F2110D42AEDAE77081B339415701A94828FC9D76087F656BDE2F279F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10
Malware Config
Signatures
-
description ioc Process File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/maps awk File opened for reading /proc/filesystems sed File opened for reading /proc/self/maps awk File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/filesystems mkdir - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/sh-thd.CNViSc bash
Processes
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/tmp/dotnet-install.sh/tmp/dotnet-install.sh1⤵PID:714
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/usr/local/sbin/bashbash /tmp/dotnet-install.sh1⤵PID:714
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/usr/local/bin/bashbash /tmp/dotnet-install.sh1⤵PID:714
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/usr/sbin/bashbash /tmp/dotnet-install.sh1⤵PID:714
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/usr/bin/bashbash /tmp/dotnet-install.sh1⤵PID:714
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/sbin/bashbash /tmp/dotnet-install.sh1⤵PID:714
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/bin/bashbash /tmp/dotnet-install.sh1⤵
- Writes file to tmp directory
PID:714 -
/usr/bin/tputtput colors2⤵PID:727
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/usr/bin/basenamebasename /tmp/dotnet-install.sh2⤵PID:733
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:738
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/bin/unameuname -m2⤵PID:742
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:746
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/bin/unameuname2⤵PID:750
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/bin/grepgrep -q musl2⤵PID:754
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/usr/bin/lddldd --version2⤵PID:755
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:760
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:765
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:770
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/bin/unameuname2⤵PID:779
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/bin/grepgrep -q musl2⤵PID:782
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/usr/bin/lddldd --version2⤵PID:783
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/usr/bin/trtr "[:upper:]" "[:lower:]"2⤵PID:786
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/usr/bin/curlcurl -I -sSL --retry 5 --retry-delay 2 --connect-timeout 15 https://aka.ms/dotnet/LTS/dotnet-sdk-linux-x64.tar.gz2⤵
- Reads runtime system information
PID:788
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/usr/bin/awkawk "\$1 ~ /^HTTP/ {print \$2}"2⤵
- Reads runtime system information
PID:794
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/bin/sedsed "\$d"2⤵
- Reads runtime system information
PID:797
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/bin/grepgrep -vE "^(301|200)\$"2⤵PID:798
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/usr/bin/tailtail -n 12⤵PID:801
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/usr/bin/tailtail -12⤵PID:805
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/usr/bin/trtr -d "\\r"2⤵PID:806
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/usr/bin/awkawk "\$1 ~ /^Location/{print \$2}"2⤵
- Reads runtime system information
PID:804
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/usr/bin/curlcurl -sL --fail https://builds.dotnet.microsoft.com/dotnet/Sdk/10.0.300/sdk-productVersion.txt2⤵
- Reads runtime system information
PID:811
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/bin/mkdirmkdir -p2⤵
- Reads runtime system information
PID:819
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path /tmp/sh-thd.CNViSc
- Size 93B
- SHA256 3f42fff35ce69ed1fb2858c86866b6f580944ce3d67f4ad0e9b54ac139d236c6
- MD5 1906ff3e73f59650cfab25970728b05d
- SHA1 d2355a49ee0eebdcc2f7387748d9c321450ec5be
- SHA512 a16f1d10d3853fcc5fa700eda4a59bcd4ad59c4698cb9ba5502a48ed7b35c2a6e57f701c85d428313847928f4f3a1e99c814e864e923149b21a4c8103010dd7b
- TLSH T162B01232D0009513CF1927071B30F100DC1B058F3742D2CC44DD43C2C9231CE4053490
- MD5 SHA1 SHA512 TLSH