Analysis
- max time kernel
2s - platform
debian-9_mipsel - resource
debian9-mipsel-20260513-en - resource tags
arch:mipselimage:debian9-mipsel-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem - submitted
13/09/2026, 17:40
Static task
static1
Behavioral task
behavioral1
Sample
5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh
Resource
debian9-mipsel-20260513-en
General
- Target 5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh
- Size 833KB
- Sample260913-v87nnabl2y
- SHA256 65f0d999ee128f05fb383eeaf0622901f06d7d6b82d35c460aaa28ed5ee4d9dd
- MD5 57ba676e36ee93c90a25d2a27d9124e4
- SHA1 ec0477d6f60230c381447f3186ab44ed6b2a433b
- SHA512 8ffc7e5701882be91f8e5b0872fa1dad19084284bc4de158f5c3508252da6b0d5572a1675c02e103368e40c9235540eb913e16718b59183bbb2ed6199133ee91
- SSDEEP 24576:C4Y/f/tir8ZLQbdyUHiw5y3dSkohUv2653DmIfkeH:8/o8ZatHiw5ycMVmKkeH
- TLSH T1E9052308E11B8C38ED4E3C8CE49EEFDD092520A28B55E1475A6534AEBE347DC807A75F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 741 chmod - Reads process memory 1 TTPs 1 IoCs
Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.
description ioc Process File opened for reading /proc/1/mem cat - Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs
Adversaries may deobfuscate or decode files or information to evade detection mechanisms.
pid Process 722 base64 -
description ioc Process File opened for reading /proc/filesystems ls - Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/tmp.oJsESSUYly/embedded.sh bash File opened for modification /tmp/.s bash
Processes
-
/tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh/tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/usr/local/sbin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/usr/local/bin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/usr/sbin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/usr/bin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/sbin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵PID:713
-
/bin/bashbash /tmp/5dabcdef5b91370b31f8e78058b0d67ed055159e10f3a38bce0df13da5e6166c_pre-append.sh1⤵
- Writes file to tmp directory
PID:713 -
/bin/mktempmktemp -d2⤵PID:718
-
-
/usr/bin/base64base64 -d2⤵
- Deobfuscate/Decode Files or Information
PID:722
-
-
/usr/bin/python3python3 -c " import sys import zlib sys.stdout.buffer.write( zlib.decompress( sys.stdin.buffer.read() ) ) "2⤵PID:723
-
-
/bin/chmodchmod +x /tmp/tmp.oJsESSUYly/embedded.sh2⤵
- File and Directory Permissions Modification
PID:741
-
-
/bin/bashbash /tmp/tmp.oJsESSUYly/embedded.sh1⤵
- Writes file to tmp directory
PID:713 -
/bin/lsls /proc/2⤵
- Reads runtime system information
PID:744
-
-
/usr/bin/stringsstrings2⤵PID:746
-
-
/bin/catcat /proc/1/mem2⤵
- Reads process memory
PID:745
-
-
/bin/grepgrep -E "GITHUB_TOKEN|gh[ps]_|npm_|AWS_"2⤵PID:747
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path /tmp/tmp.oJsESSUYly/embedded.sh
- Size 1KB
- SHA256 7502456cb1c58731db0e482acbd2c17d74121ce7e342570c88fac0494701658e
- MD5 a680681ed8a07acb37099bbdd4746042
- SHA1 d7e63ce5e03314e582cd18623ec2bb1c0264edbe
- SHA512 9d2fd94ba0d59d2da8ad6b26ddb4d79ed3de2da1103f7ea10123fce8473e511321ce0677b2342ad69a0de5bef9b660dc1d8685a9b751525800f8cdddedeb52cc
- TLSH T1174132B5F838E870380615E9BDCF32BAAD97D75E56016850A1334C768702A59734F15A
- MD5 SHA1 SHA512 TLSH