Analysis
- max time kernel
149s - max time network
151s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260513-en - resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system - submitted
18/10/2026, 14:37
Static task
static1
Behavioral task
behavioral1
Sample
x86_64.elf
Resource
ubuntu1804-amd64-20260513-en
General
- Target x86_64.elf
- Size 221KB
- Sample261018-ry8w7abd49
- SHA256 efaf187fcda9b23e5df60934755d33e0f03981f3826de0b3944f694c40e79d80
- MD5 8099fedaccf89c21b4b1436a8d4944bd
- SHA1 c60c805e5330e6217a2acb15faf4565431fa116a
- SHA512 783c523ef950df81b1ef1931f44003387f6ed763eaf54aaf5a8313f4fd1511248ece555a5ee3848317cb3a916ac1f1c0e052a93f25f3431c115ea71b6324b503
- SSDEEP 3072:QbFUMAkpElf+XRL9iZhQwHiVJUQ+76nOblN7YL/9hSZIyhLLBYm:iAs59mQwWC76nObcyTY
- TLSH T19624D54F62BA65ECCDF9C43462A10779BB72F4C61379A99CDB814DF0AB15500BB2C2D2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
- Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process File opened for modification /etc/cron.d/qv3b x86_64.elf - Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp x86_64.elf - Enumerates running processes
Discovers information about currently running processes on the system
-
description ioc Process File opened for modification /etc/init.d/qv3b x86_64.elf - Modifies rc script 2 TTPs 1 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
description ioc Process File opened for modification /etc/rc.local x86_64.elf - Changes its process name 2 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself kworker/0:1H 1473 x86_64.elf Changes the process name, possibly in an attempt to hide itself kworker/0:1H 1474 x86_64.elf - Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp x86_64.elf -
description ioc Process File opened for reading /proc/1055/cmdline x86_64.elf File opened for reading /proc/83/comm x86_64.elf File opened for reading /proc/722/comm x86_64.elf File opened for reading /proc/1054/cmdline x86_64.elf File opened for reading /proc/1181/fd x86_64.elf File opened for reading /proc/1493/cmdline x86_64.elf File opened for reading /proc/8/fd x86_64.elf File opened for reading /proc/14/comm x86_64.elf File opened for reading /proc/28/cmdline x86_64.elf File opened for reading /proc/1036/comm x86_64.elf File opened for reading /proc/1493/comm x86_64.elf File opened for reading /proc/16/fd x86_64.elf File opened for reading /proc/21/cmdline x86_64.elf File opened for reading /proc/79/fd x86_64.elf File opened for reading /proc/715/cmdline x86_64.elf File opened for reading /proc/12/comm x86_64.elf File opened for reading /proc/80/comm x86_64.elf File opened for reading /proc/939/comm x86_64.elf File opened for reading /proc/1467/comm x86_64.elf File opened for reading /proc/980/fd x86_64.elf File opened for reading /proc/447/comm x86_64.elf File opened for reading /proc/674/comm x86_64.elf File opened for reading /proc/715/comm x86_64.elf File opened for reading /proc/1005/comm x86_64.elf File opened for reading /proc/4/cmdline x86_64.elf File opened for reading /proc/80/cmdline x86_64.elf File opened for reading /proc/1308/comm x86_64.elf File opened for reading /proc/1330/cmdline x86_64.elf File opened for reading /proc/157/comm x86_64.elf File opened for reading /proc/167/comm x86_64.elf File opened for reading /proc/890/cmdline x86_64.elf File opened for reading /proc/447/cmdline x86_64.elf File opened for reading /proc/1165/cmdline x86_64.elf File opened for reading /proc/5/cmdline x86_64.elf File opened for reading /proc/165/cmdline x86_64.elf File opened for reading /proc/1245/cmdline x86_64.elf File opened for reading /proc/82/fd x86_64.elf File opened for reading /proc/174/cmdline x86_64.elf File opened for reading /proc/438/cmdline x86_64.elf File opened for reading /proc/1337/comm x86_64.elf File opened for reading /proc/162/comm x86_64.elf File opened for reading /proc/605/cmdline x86_64.elf File opened for reading /proc/1078/comm x86_64.elf File opened for reading /proc/17/fd x86_64.elf File opened for reading /proc/900/comm x86_64.elf File opened for reading /proc/1299/fd x86_64.elf File opened for reading /proc/28/fd x86_64.elf File opened for reading /proc/890/comm x86_64.elf File opened for reading /proc/1079/cmdline x86_64.elf File opened for reading /proc/1085/cmdline x86_64.elf File opened for reading /proc/1005/fd x86_64.elf File opened for reading /proc/433/comm x86_64.elf File opened for reading /proc/5/comm x86_64.elf File opened for reading /proc/170/cmdline x86_64.elf File opened for reading /proc/237/comm x86_64.elf File opened for reading /proc/15/cmdline x86_64.elf File opened for reading /proc/914/comm x86_64.elf File opened for reading /proc/900/fd x86_64.elf File opened for reading /proc/989/fd x86_64.elf File opened for reading /proc/24/fd x86_64.elf File opened for reading /proc/448/comm x86_64.elf File opened for reading /proc/424/comm x86_64.elf File opened for reading /proc/335/cmdline x86_64.elf File opened for reading /proc/651/comm x86_64.elf - Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/.qv3alive x86_64.elf File opened for modification /tmp/.qv3b x86_64.elf
Processes
-
/tmp/x86_64.elf/tmp/x86_64.elf1⤵
- Creates/modifies Cron job
- Enumerates active TCP sockets
- Modifies init.d
- Modifies rc script
- Changes its process name
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:1471 -
/tmp/x86_64.elf.qv3g vps --guardian2⤵
- Changes its process name
PID:1474
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /etc/cron.d/qv3b
- Size 24B
- SHA256 11911c5bde389370c5b47ffbd3d9f600cdbf87eb2514272aadbffae1eabc12b8
- MD5 4045230e37771246749ba7eafb29f7b2
- SHA1 cb571bb05c39d2a3efbec644e9755db33ac218ae
- SHA512 ed7384bbc70640a988150d55169e43f3068270c692b7857acc112031e6c742ee0f11bb1028bcd1cc893b086c3833852d9fe9f6a7cd38fc8381b3b8aecef85997
- MD5 SHA1 SHA512
- Path /etc/init.d/qv3b
- Size 57B
- SHA256 b70c45c5db1a50913f4447ef09811359aac0500e0598871e11156c2146100c93
- MD5 bfdde194005a9d44be8a98ae29d9e674
- SHA1 9692e717055b5c6c07c06c72d92de261035d5085
- SHA512 0a52310815bec16ecec4f3583675f48ea4b3490b30f80b79f320624cc3d4e76bd06fc169072b1e066a6767d775021d1b4d847d1fce4ac833161151f6b2b57fd5
- TLSH T135900282A50D3751098584614D8952B12605C0453680881625406E779665F13F136780
- MD5 SHA1 SHA512 TLSH
- Path /etc/rc.local
- Size 14B
- SHA256 76cd029754834d6468966383c7c495a6bf54188d9b6f823d70443d77bee372e0
- MD5 4c1162160863d3b64bb94caba03cc186
- SHA1 9f0ab49915f377fcca236eaec42d9be838125130
- SHA512 ff69de0cbcff05934bd98b17c792f281c5c3ad4cc7c5f1689ad2b1dd0ade9010c415725a17d0273435048e93a0553829a09ab044d67e3d1acb99f49fe524d982
- MD5 SHA1 SHA512
- Path /tmp/.qv3alive
- Size 1B
- SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
- MD5 c4ca4238a0b923820dcc509a6f75849b
- SHA1 356a192b7913b04c54574d18c28d46e6395428ab
- SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
- MD5 SHA1 SHA512
- Path /tmp/.qv3b
- Size 221KB
- SHA256 efaf187fcda9b23e5df60934755d33e0f03981f3826de0b3944f694c40e79d80
- MD5 8099fedaccf89c21b4b1436a8d4944bd
- SHA1 c60c805e5330e6217a2acb15faf4565431fa116a
- SHA512 783c523ef950df81b1ef1931f44003387f6ed763eaf54aaf5a8313f4fd1511248ece555a5ee3848317cb3a916ac1f1c0e052a93f25f3431c115ea71b6324b503
- SSDEEP 3072:QbFUMAkpElf+XRL9iZhQwHiVJUQ+76nOblN7YL/9hSZIyhLLBYm:iAs59mQwWC76nObcyTY
- TLSH T19624D54F62BA65ECCDF9C43462A10779BB72F4C61379A99CDB814DF0AB15500BB2C2D2
- MD5 SHA1 SHA512 SSDEEP TLSH