MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef20bdb6585dcba2cb211ee4f4136dfc467f9487335767db70a424af1c76d231. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: ef20bdb6585dcba2cb211ee4f4136dfc467f9487335767db70a424af1c76d231
SHA3-384 hash: 6326d53b8a0aa716830fc9416d0190b065d12fa86f92c702ea33228305b475a4be2fc80a4e360b718b823dac8f7f0d5e
SHA1 hash: c5c1a906791c9ecb67de28e611bbd5257f1b1a30
MD5 hash: fbcef2ad41f99f4b0af1d43a5a382001
humanhash: oscar-iowa-west-summer
File name:aarch64
Download: download sample
File size:509'896 bytes
First seen:2025-06-23 16:54:36 UTC
Last seen:2025-06-23 17:49:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:O/izeB+/ow3gK2lc5bvyI0vOHD6BZkDgn358cIF3RI5HkdY1FP98/8ecjfP:3BohHKTyfvOHD6ByD4WcIMkuDmEesP
TLSH T184B41228EF4E3881F3D1E378DA0A4BB1B05B79D0D166C1B2BA41E25D95EDEDEC5D0212
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 exploit gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
57671
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 162.159.200.123:123
type: 130.239.18.158:6881
type: 178.69.209.93:6881
type: 212.156.245.134:6881
type: 85.215.59.222:6881
type: 176.215.69.196:6881
type: 59.126.172.179:6881
type: 86.175.191.170:6881
type: 88.222.173.85:6881
type: 58.136.116.253:6881
type: 67.215.246.10:6881
type: 84.82.150.14:6881
type: 171.97.19.178:6881
type: 79.21.111.194:6881
type: 119.246.15.166:6881
type: 5.77.22.165:6881
type: 76.159.141.47:6881
type: 89.148.231.66:6881
type: 121.131.117.220:6881
type: 118.157.146.74:6881
type: 188.113.46.86:6881
type: 37.187.77.174:6881
type: 75.119.138.164:6881
type: 167.99.72.189:6881
type: 62.169.27.65:6881
type: 95.55.107.39:6881
type: 35.163.251.58:6881
type: 52.9.197.152:6881
type: 79.111.137.192:6881
type: 18.188.31.0:6881
type: 92.124.134.3:6881
type: 18.218.241.3:6881
type: 18.221.7.72:6881
type: 149.249.15.23:6881
type: 81.43.129.157:6881
type: 213.149.22.107:6881
type: 62.103.196.23:6881
type: 188.239.79.204:6881
type: 107.181.234.235:6881
type: 115.204.179.216:6881
type: 178.162.174.43:28004
type: 178.162.174.228:28004
type: 135.181.238.57:50000
type: 135.181.227.244:50000
type: 37.27.119.182:50000
type: 37.27.107.119:50000
type: 37.27.117.117:50000
type: 65.109.92.158:50000
type: 162.55.86.182:50000
type: 116.202.163.115:50000
type: 135.181.238.58:50000
type: 37.27.117.252:50000
type: 142.132.203.55:50000
type: 176.9.25.249:50000
type: 37.27.120.47:50000
type: 142.132.203.125:50000
type: 142.132.193.161:50000
type: 135.181.223.232:50000
type: 95.217.196.89:50000
type: 65.109.92.88:50000
type: 65.21.34.40:50000
type: 37.27.117.111:50000
type: 130.239.18.158:8524
type: 178.162.174.222:28014
type: 178.162.174.77:28014
type: 178.162.173.67:28014
type: 81.171.6.42:28014
type: 45.152.210.34:50171
type: 130.239.18.158:8515
type: 185.107.71.103:44737
type: 5.79.122.78:28003
type: 130.239.18.158:8516
type: 37.48.89.181:48531
type: 60.106.170.249:25757
type: 130.239.18.158:8500
type: 130.239.18.158:8580
type: 45.203.206.46:6880
type: 3.21.238.91:6880
type: 100.24.111.119:6880
type: 3.17.47.251:6880
type: 204.106.239.226:34305
type: 138.19.29.247:13382
type: 178.162.174.31:28005
type: 195.201.179.130:16309
type: 37.48.83.215:51413
type: 193.32.16.174:51413
type: 223.243.130.157:51413
type: 81.98.125.190:51413
type: 95.211.179.199:51413
type: 37.187.2.98:51413
type: 68.203.1.140:51413
type: 178.216.139.244:51413
type: 75.206.5.17:51413
type: 64.226.83.235:1434
type: 46.232.211.91:12959
type: 129.148.25.231:8999
type: 89.243.23.177:50010
type: 83.140.76.157:23534
type: 185.203.56.49:14704
type: 217.44.156.135:6882
type: 95.27.144.114:6882
type: 94.187.182.92:6882
type: 176.194.231.153:6882
type: 185.21.216.167:58666
type: 88.223.63.174:39960
type: 5.198.122.57:11109
type: 169.150.219.154:63999
type: 64.147.87.217:56139
type: 87.57.246.103:22937
type: 5.135.156.163:56843
type: 51.158.150.138:45143
type: 212.7.202.40:28018
type: 89.149.202.13:28035
type: 131.106.228.77:45729
type: 161.142.159.106:1275
type: 125.13.149.251:6889
type: 92.151.70.41:6889
type: 218.253.82.74:6889
type: 46.232.210.101:64217
type: 178.162.174.222:28011
type: 195.154.172.179:27684
type: 43.245.33.138:28318
type: 89.64.13.249:8641
type: 46.232.211.246:64223
type: 203.186.240.62:10168
type: 121.151.100.226:40783
type: 185.21.216.185:55181
type: 37.228.233.125:4731
type: 118.40.238.77:8017
type: 46.232.211.108:64084
type: 194.42.111.125:51400
type: 188.165.246.140:53740
type: 85.168.156.23:25323
type: 89.58.18.157:30969
type: 142.127.114.181:42881
type: 176.36.24.241:35630
type: 1.242.114.153:41079
type: 36.232.45.73:17005
type: 66.181.188.21:25262
type: 86.166.119.57:6890
type: 210.91.65.180:33033
type: 111.220.133.52:16881
type: 188.50.137.236:57095
type: 222.114.26.224:32895
type: 188.165.231.168:59380
type: 37.27.113.233:55944
type: 54.77.218.23:6892
type: 35.171.49.86:6892
type: 18.196.86.103:6892
type: 84.252.92.29:47389
type: 182.218.26.202:40838
type: 186.205.18.74:11565
type: 78.182.131.82:34356
type: 188.165.200.53:56739
type: 158.47.254.248:17016
type: 176.31.183.98:13753
type: 54.38.92.16:9912
type: 146.59.3.81:10240
type: 194.29.101.83:10240
type: 152.53.52.107:10240
type: 195.170.172.38:10240
type: 152.53.45.107:7241
type: 152.53.45.107:6887
type: 197.1.173.240:48842
type: 54.39.52.183:37249
type: 85.245.246.161:49958
type: 95.214.53.172:1688
type: 82.66.202.97:35486
type: 45.168.222.244:30776
type: 190.17.253.90:41286
type: 188.163.32.220:39508
type: 18.196.86.103:6992
type: 46.232.210.90:15809
Status:
terminated
Behavior Graph:
%3 guuid=cd37c12d-1900-0000-ae6d-ed7d650c0000 pid=3173 /usr/bin/sudo guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175 /tmp/sample.bin guuid=cd37c12d-1900-0000-ae6d-ed7d650c0000 pid=3173->guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175 execve guuid=50c4783d-1900-0000-ae6d-ed7d690c0000 pid=3177 /usr/bin/dash guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175->guuid=50c4783d-1900-0000-ae6d-ed7d690c0000 pid=3177 clone guuid=4d3b8b3d-1900-0000-ae6d-ed7d6a0c0000 pid=3178 /usr/bin/dash guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175->guuid=4d3b8b3d-1900-0000-ae6d-ed7d6a0c0000 pid=3178 clone guuid=86449e3d-1900-0000-ae6d-ed7d6b0c0000 pid=3179 /usr/bin/dash guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175->guuid=86449e3d-1900-0000-ae6d-ed7d6b0c0000 pid=3179 clone guuid=7eb3b03d-1900-0000-ae6d-ed7d6c0c0000 pid=3180 /usr/bin/dash guuid=6845a72f-1900-0000-ae6d-ed7d670c0000 pid=3175->guuid=7eb3b03d-1900-0000-ae6d-ed7d6c0c0000 pid=3180 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1721128 Sample: aarch64.elf Startdate: 23/06/2025 Architecture: LINUX Score: 68 38 31.200.249.162, 31862, 58578 NETRACK-ASRU Russian Federation 2->38 40 31.200.249.233, 31765, 56614 NETRACK-ASRU Russian Federation 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 aarch64.elf 2->10         started        signatures3 process4 process5 12 aarch64.elf sh 10->12         started        14 aarch64.elf 10->14         started        17 aarch64.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 aarch64.elf 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.Y50IsZ, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 aarch64.elf 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 aarch64.elf 32->34         started        process12
Threat name:
Linux.Trojan.SAgnt
Status:
Malicious
First seen:
2025-06-23 16:56:15 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf ef20bdb6585dcba2cb211ee4f4136dfc467f9487335767db70a424af1c76d231

(this sample)

  
Delivery method
Distributed via web download

Comments