3bcb3bb397ed0f5c72de9e19109f6daef8d0a03b8951406b2d442fbb90cdf83d

Analysis

max time kernel
149s
max time network
149s
platform
ubuntu-24.04_amd64
resource
ubuntu2404-amd64-20240523-en
resource tags

arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
submitted
19-09-2024 01:18

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General

Target

ea5336057c90d93f0196e60b267a10bc_JaffaCakes118
Size

1.1MB
MD5

ea5336057c90d93f0196e60b267a10bc
SHA1

bd9defee681f4bab8ce3ffe07582e3df6a9fb865
SHA256

3bcb3bb397ed0f5c72de9e19109f6daef8d0a03b8951406b2d442fbb90cdf83d
SHA512

3bdf430fe823d0a2145b17b21a8da4c4e8e30ee2c6fb58b98e472a2b1057ac6c5caa1e336c39d5617542274645294662575f05cc06bca1947ed27d810c04b2bd
SSDEEP

24576:4vRE7caCfKGPqVEDNLFxKsfahI+gIGYuuCol7r:4vREKfPqVE5jKsfahRHGVo7r

Score

7^/10

defense_evasion discovery persistence rootkit

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 4 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
2536	chmod
2542	chmod
2548	chmod
2527	chmod

Executes dropped EXE 2 IoCs

ioc	pid	Process
/usr/bin/bsd-port/knerl	2489	knerl
/usr/bin/pythno	2497	pythno

Loads a kernel module 64 IoCs

Loads a Linux kernel module, potentially to achieve persistence

rootkit

pid	Process
2449	ea5336057c90d93f0196e60b267a10bc_JaffaCakes118
2450	Process not Found
2455	Process not Found
2450	Process not Found
2450	Process not Found
2457	Process not Found
2450	Process not Found
2450	Process not Found
2459	Process not Found
2450	Process not Found
2450	Process not Found
2461	Process not Found
2450	Process not Found
2450	Process not Found
2463	Process not Found
2450	Process not Found
2450	Process not Found
2483	Process not Found
2450	Process not Found
2450	Process not Found
2485	Process not Found
2450	Process not Found
2487	Process not Found
2488	Process not Found
2489	knerl
2487	Process not Found
2450	Process not Found
2491	Process not Found
2450	Process not Found
2450	Process not Found
2493	Process not Found
2450	Process not Found
2495	Process not Found
2496	Process not Found
2497	pythno
2495	Process not Found
2450	Process not Found
2499	Process not Found
2450	Process not Found
2490	Process not Found
2505	Process not Found
2490	Process not Found
2490	Process not Found
2508	Process not Found
2490	Process not Found
2490	Process not Found
2511	Process not Found
2490	Process not Found
2490	Process not Found
2513	Process not Found
2490	Process not Found
2490	Process not Found
2516	Process not Found
2490	Process not Found
2490	Process not Found
2518	Process not Found
2490	Process not Found
2490	Process not Found
2520	Process not Found
2490	Process not Found
2490	Process not Found
2522	Process not Found
2490	Process not Found
2490	Process not Found

Write file to user bin folder 6 IoCs

persistence

description	ioc	Process
File opened for modification	/usr/bin/pythno	cp
File opened for modification	/usr/bin/dpkgd/lsof	cp
File opened for modification	/usr/bin/dpkgd/ps	cp
File opened for modification	/usr/bin/lsof	cp
File opened for modification	/usr/bin/ps	cp
File opened for modification	/usr/bin/bsd-port/knerl	cp

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/bin/lsof	cp
File opened for modification	/bin/ps	cp

Enumerates kernel/hardware configuration 1 TTPs 2 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/module/compression	insmod
File opened for reading	/sys/module/compression	insmod

Reads runtime system information 17 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/cmdline	insmod
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/cmdline	insmod
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/filesystems	cp

/tmp/ea5336057c90d93f0196e60b267a10bc_JaffaCakes118
/tmp/ea5336057c90d93f0196e60b267a10bc_JaffaCakes118
1⤵
- Loads a kernel module
PID:2449
- /usr/bin/ln
  ln -s /etc/init.d/VsystemsshMdt /etc/rc1.d/S97VsystemsshMdt
  2⤵
  PID:2456
- /usr/bin/ln
  ln -s /etc/init.d/VsystemsshMdt /etc/rc2.d/S97VsystemsshMdt
  2⤵
  PID:2458
- /usr/bin/ln
  ln -s /etc/init.d/VsystemsshMdt /etc/rc3.d/S97VsystemsshMdt
  2⤵
  PID:2460
- /usr/bin/ln
  ln -s /etc/init.d/VsystemsshMdt /etc/rc4.d/S97VsystemsshMdt
  2⤵
  PID:2462
- /usr/bin/ln
  ln -s /etc/init.d/VsystemsshMdt /etc/rc5.d/S97VsystemsshMdt
  2⤵
  PID:2464
- /usr/bin/mkdir
  mkdir -p /usr/bin/bsd-port
  2⤵
  - Reads runtime system information
  PID:2484
- /usr/bin/cp
  cp -f /tmp/ea5336057c90d93f0196e60b267a10bc_JaffaCakes118 /usr/bin/bsd-port/knerl
  2⤵
  - Write file to user bin folder
  - Reads runtime system information
  PID:2486
- /usr/bin/bsd-port/knerl
  /usr/bin/bsd-port/knerl
  2⤵
  - Executes dropped EXE
  - Loads a kernel module
  PID:2489
- - /usr/bin/ln
    ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux
    3⤵
    PID:2507
- - /usr/bin/ln
    ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux
    3⤵
    PID:2509
- - /usr/bin/ln
    ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux
    3⤵
    PID:2512
- - /usr/bin/ln
    ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux
    3⤵
    PID:2514
- - /usr/bin/ln
    ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux
    3⤵
    PID:2517
- - /usr/bin/mkdir
    mkdir -p /usr/bin/dpkgd
    3⤵
    - Reads runtime system information
    PID:2519
- - /usr/bin/cp
    cp -f /bin/lsof /usr/bin/dpkgd/lsof
    3⤵
    - Write file to user bin folder
    - Reads runtime system information
    PID:2521
- - /usr/bin/mkdir
    mkdir -p /bin
    3⤵
    - Reads runtime system information
    PID:2523
- - /usr/bin/cp
    cp -f /usr/bin/bsd-port/knerl /bin/lsof
    3⤵
    - Writes file to system bin folder
    - Reads runtime system information
    PID:2525
- - /usr/bin/chmod
    chmod 0755 /bin/lsof
    3⤵
    - File and Directory Permissions Modification
    PID:2527
- - /usr/bin/cp
    cp -f /bin/ps /usr/bin/dpkgd/ps
    3⤵
    - Write file to user bin folder
    - Reads runtime system information
    PID:2529
- - /usr/bin/mkdir
    mkdir -p /bin
    3⤵
    - Reads runtime system information
    PID:2531
- - /usr/bin/cp
    cp -f /usr/bin/bsd-port/knerl /bin/ps
    3⤵
    - Writes file to system bin folder
    - Reads runtime system information
    PID:2534
- - /usr/bin/chmod
    chmod 0755 /bin/ps
    3⤵
    - File and Directory Permissions Modification
    PID:2536
- - /usr/bin/mkdir
    mkdir -p /usr/bin
    3⤵
    - Reads runtime system information
    PID:2538
- - /usr/bin/cp
    cp -f /usr/bin/bsd-port/knerl /usr/bin/lsof
    3⤵
    - Write file to user bin folder
    - Reads runtime system information
    PID:2540
- - /usr/bin/chmod
    chmod 0755 /usr/bin/lsof
    3⤵
    - File and Directory Permissions Modification
    PID:2542
- - /usr/bin/mkdir
    mkdir -p /usr/bin
    3⤵
    - Reads runtime system information
    PID:2544
- - /usr/bin/cp
    cp -f /usr/bin/bsd-port/knerl /usr/bin/ps
    3⤵
    - Write file to user bin folder
    - Reads runtime system information
    PID:2546
- - /usr/bin/chmod
    chmod 0755 /usr/bin/ps
    3⤵
    - File and Directory Permissions Modification
    PID:2548
- - /usr/sbin/insmod
    insmod /usr/lib/xpacket.ko
    3⤵
    - Enumerates kernel/hardware configuration
    - Reads runtime system information
    PID:2550
- /usr/bin/mkdir
  mkdir -p /usr/bin
  2⤵
  - Reads runtime system information
  PID:2492
- /usr/bin/cp
  cp -f /tmp/ea5336057c90d93f0196e60b267a10bc_JaffaCakes118 /usr/bin/pythno
  2⤵
  - Write file to user bin folder
  - Reads runtime system information
  PID:2494
- /usr/bin/pythno
  /usr/bin/pythno
  2⤵
  - Executes dropped EXE
  - Loads a kernel module
  PID:2497
- /usr/sbin/insmod
  insmod /usr/lib/xpacket.ko
  2⤵
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:2500

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/etc/init.d/VsystemsshMdt

Filesize
64B

MD5
c4d29fb7fe447dd0e3062496aeff92bc

SHA1
fe9df22475eba1db6f0e418e39ab0ca194f10809

SHA256
271d3f1c4841b989d5a701a92afe74da29a5ff5a15e07fb74396196eb0dbba83

SHA512
185aaef996424e81d5a1b0ffd9b955a274747f956d89f6017bfb9bafafe86079fa72bed5d7bcf1c0535845235f59914659a44ec91d49fb22ddbf108ff625102e

Download Submit
/etc/init.d/selinux

Filesize
36B

MD5
caa27b819c9303446f702929874a00e8

SHA1
d24199c0e376edea3f822b215148cc0dc78364bf

SHA256
da9b535a14c6d9152857e211f14fb8da9056e84ba1b8d4dc27ab79c98264050b

SHA512
dcd9413eb2cb24d77f637edfc00ca0bb42229a1a3b0d84e29eff94a7b91aee6ee8c126c286a4b4103e01834d1c6aec9de09ffab3927e8de8015421005f31446e

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/tmp/conf.n

Filesize
69B

MD5
e084c3ab43cf461f393e03eae961e866

SHA1
c55f0429e636ae475c96ba9a1b6f49cd8ac4970f

SHA256
3bea0ab298e1a9b7be6e333724fd7c49319864d665841d4b2d9c296fbf0f524f

SHA512
7bccfcffb8fc65a419b3c2e0332a2bf7745a0c4244b733b407b2373676e75cf5f5ada4593e6996d10d1fc96156ad919af51f8a1408bdaee4167d37478fc2a465

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/tmp/idus.log

Filesize
4B

MD5
9af76329c78e28c977ab1bcd1c3fe9b8

SHA1
b99dfad9dfce6db8291c587455dec8f5ab378920

SHA256
0b8c4c7c81ac3255024f978a24c4c63bb034cc40ed2fe51dec83cb28c8785a87

SHA512
668d2295ecadcda8fcc02a365e4581723081509faa870d4f5d8fdb6af85519d477b0c8529212449f9f4d2d880c57d205b85753f42f6e5e25295b9ec473a9a953

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/tmp/notify.file

Filesize
51B

MD5
35627a515a28d8045b3fa3251463a525

SHA1
02e368475dab72599c36417cf67b6c2bec274d00

SHA256
32e61510c8739d86d42c17ffca0984b35e5d2ba994c40f7e0a6d2b87209f9785

SHA512
6e0b6cc434429238d9a0eaa7c369802b1ad6e96f1881c294c51bb6a2345e6e18c9df96db349139bf5f1c3c889f15c8214ee96baf69660b4c7f6884688c40e1da

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/tmp/vga.conf

Filesize
4B

MD5
49d4b2faeb4b7b9e745775793141e2b2

SHA1
3dae524e50058ba5db59f21a1e88a4afb176c122

SHA256
b0b03d744a85f4459c71437fe196dd925a299a06ae7a425615c903c97c36b8fb

SHA512
55d648b97149a610c92bd881b5f99e0dcb6fa5bab48de9184dbda98cab5a8d33c4e5c91b2fffbe5da8f404db0d65b840a868d63a8403a584a5b721086b52f821

Download Submit