MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85fef88ccf66c8d5d5319b0722f44e4138da156ce89b150d270a494b8a5dbb07. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 85fef88ccf66c8d5d5319b0722f44e4138da156ce89b150d270a494b8a5dbb07
SHA3-384 hash: 70636e7fd280f0dd4a68cd7f3e984366a95182990bbdb54e21c04b3a2d88cc704a93338d24ad773f5b976501fa72c9bc
SHA1 hash: 97e1a494e877e8370ffaf9169db5da2a4f85cca4
MD5 hash: 2b8bd460d2b4e4186de52e90f7fe615c
humanhash: robin-october-virginia-fillet
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-05-24 06:02:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:iD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4W:2+QGO9naz0Szi5anTtR
TLSH T1AFA41212E290D8FEC4DAC070469FD27BFD767C544234BC6B6198F7322B3AE601B16A55
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 :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creates directories
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
true
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
70
Number of processes launched:
10
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
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: 67.215.246.10:6881
type: 88.101.93.63:6881
type: 163.172.62.126:6881
type: 188.42.55.92:6881
type: 93.55.238.108:6881
type: 178.140.133.190:6881
type: 89.22.138.98:6881
type: 94.16.163.46:6881
type: 46.72.126.4:6881
type: 186.6.175.140:6881
type: 31.184.74.1:6881
type: 109.173.42.54:6881
type: 92.241.19.32:6881
type: 219.73.116.194:6881
type: 188.32.111.42:6881
type: 155.4.225.41:6881
type: 24.141.47.120:6881
type: 109.248.0.15:6881
type: 5.16.95.82:6881
type: 75.84.224.216:6881
type: 89.75.129.76:6881
type: 42.3.33.191:6881
type: 178.140.43.50:6881
type: 112.86.130.3:6881
type: 190.225.197.66:6881
type: 35.133.181.255:6881
type: 14.35.220.15:6881
type: 94.227.1.183:6881
type: 94.110.227.157:6881
type: 152.243.222.23:6881
type: 54.214.62.55:6881
type: 35.155.156.153:6881
type: 54.214.105.212:6881
type: 85.215.59.222:6881
type: 54.214.62.31:6881
type: 112.211.220.244:6881
type: 35.167.186.212:6881
type: 46.73.218.78:6881
type: 176.213.79.201:6881
type: 188.225.3.46:6881
type: 18.191.2.28:6881
type: 54.70.174.84:6881
type: 79.165.137.115:6881
type: 18.223.137.220:6881
type: 180.50.91.177:6881
type: 35.163.251.58:6881
type: 168.70.97.101:6881
type: 80.203.32.207:6881
type: 54.70.28.180:6881
type: 2.155.131.148:6881
type: 77.160.207.139:6881
type: 81.104.214.181:6881
type: 77.147.191.98:6881
type: 178.65.173.230:6881
type: 5.141.32.117:6881
type: 109.184.210.2:6881
type: 213.143.78.253:6881
type: 5.128.238.7:6881
type: 130.239.18.158:8516
type: 148.153.188.242:6880
type: 195.154.233.74:6880
type: 45.203.212.25:6880
type: 45.56.122.13:6880
type: 45.203.154.77:6880
type: 3.143.96.180:6880
type: 52.73.10.110:6880
type: 45.203.212.13:6880
type: 173.230.130.111:6880
type: 23.23.69.85:6880
type: 69.164.203.179:6880
type: 45.203.154.72:6880
type: 45.203.206.54:6880
type: 140.245.76.181:9081
type: 178.162.173.91:28003
type: 178.162.174.178:28003
type: 178.162.173.48:28003
type: 130.239.18.158:8513
type: 94.140.5.157:51413
type: 176.62.180.175:51413
type: 95.168.174.173:51413
type: 176.31.127.32:51413
type: 186.123.200.92:51413
type: 94.67.239.63:51413
type: 185.167.110.116:51413
type: 84.239.16.168:51413
type: 157.161.128.76:51413
type: 135.148.148.75:51413
type: 141.94.31.8:51413
type: 82.5.212.185:51413
type: 110.132.64.192:51413
type: 91.121.218.247:51413
type: 99.168.106.80:51413
type: 46.4.122.145:51413
type: 82.67.23.37:51413
type: 65.24.160.163:51413
type: 79.51.11.25:51413
type: 178.162.159.33:51413
type: 45.152.209.123:51413
type: 163.172.37.26:51413
type: 130.239.18.158:8559
type: 37.27.104.56:50000
type: 65.21.128.213:50000
type: 37.27.107.115:50000
type: 37.27.119.240:50000
type: 135.181.238.59:50000
type: 37.27.104.180:50000
type: 37.27.117.115:50000
type: 162.55.85.248:50000
type: 135.181.238.119:50000
type: 65.21.125.182:50000
type: 37.27.117.240:50000
type: 37.27.104.54:50000
type: 37.27.119.121:50000
type: 37.27.117.254:50000
type: 162.55.80.211:50000
type: 46.4.96.86:50000
type: 85.17.84.59:28007
type: 213.227.152.66:28007
type: 178.162.173.147:28007
type: 80.238.127.186:65036
type: 45.87.251.132:28143
type: 46.232.210.90:23609
type: 178.162.174.111:28000
type: 178.162.174.221:28000
type: 178.162.173.221:28000
type: 178.162.173.66:28000
type: 178.162.173.162:28000
type: 178.162.173.218:28000
type: 178.162.173.160:28005
type: 178.162.174.236:28005
type: 212.7.202.40:28035
type: 133.149.84.46:24182
type: 113.153.96.239:15191
type: 178.162.173.7:28002
type: 91.203.208.97:49001
type: 89.152.218.134:49001
type: 1.141.101.234:49001
type: 176.117.248.27:49001
type: 94.208.110.97:49001
type: 193.150.109.67:49001
type: 178.162.173.138:28010
type: 109.110.89.50:1142
type: 178.162.173.89:28014
type: 178.162.173.220:28014
type: 178.162.173.86:28014
type: 178.162.174.46:28014
type: 47.82.104.125:35843
type: 163.172.13.241:58761
type: 46.232.211.190:13709
type: 5.39.85.82:57443
type: 23.162.56.55:10034
type: 216.39.248.235:51433
type: 152.67.73.155:50970
type: 178.162.173.207:28015
type: 95.211.247.106:28013
type: 81.171.22.205:28013
type: 5.79.87.194:28013
type: 83.150.34.131:51412
type: 177.23.200.14:8083
type: 185.203.56.3:10312
type: 188.186.32.27:32434
type: 149.40.59.133:17559
type: 77.237.22.151:20481
type: 178.162.173.231:28001
type: 83.149.98.183:28001
type: 130.239.18.158:8539
type: 94.180.110.19:11398
type: 130.239.18.158:8507
type: 116.241.208.58:19246
type: 216.39.248.235:51416
type: 23.158.56.120:12072
type: 95.27.45.217:5690
type: 130.239.18.158:8508
type: 130.239.18.158:8521
type: 51.159.104.68:7606
type: 95.211.20.1:21170
type: 95.211.145.143:30178
type: 37.46.16.67:51327
type: 87.120.95.205:6889
type: 113.197.137.94:6889
type: 90.65.5.66:6889
type: 129.154.213.168:6889
type: 189.203.149.0:46382
type: 43.154.161.39:46754
type: 72.21.17.105:31024
type: 2.87.92.45:13668
type: 209.141.45.241:7462
type: 72.21.17.105:24844
type: 130.239.18.158:8580
type: 185.145.245.121:8647
type: 54.211.14.111:20873
type: 23.175.112.69:26955
type: 195.154.170.6:8665
type: 185.107.71.105:21993
type: 51.159.104.63:8614
type: 178.162.173.22:28004
type: 185.21.217.49:64033
type: 95.168.168.210:48733
type: 79.164.175.136:40227
type: 211.226.2.64:52314
type: 185.17.185.19:62173
type: 51.159.104.84:8923
type: 84.71.48.29:49153
type: 188.165.244.171:51045
type: 144.91.123.46:50683
type: 178.162.174.73:28006
type: 213.227.152.74:28006
type: 72.252.112.178:63416
type: 168.121.102.201:33465
type: 178.162.173.170:28012
type: 222.116.29.102:43848
type: 78.139.121.90:43593
type: 68.198.34.229:60005
type: 91.149.181.255:61065
type: 91.172.28.178:59098
type: 73.74.157.94:39323
type: 54.39.52.183:36035
type: 206.123.150.176:6666
type: 23.95.11.50:65524
type: 54.39.107.165:37178
type: 179.0.127.232:14843
type: 168.119.13.211:55151
type: 185.232.21.242:9001
type: 188.188.190.27:53506
type: 130.239.18.158:8502
type: 54.38.92.16:23695
type: 152.53.45.107:7090
type: 13.114.205.93:6892
type: 18.196.86.103:6892
type: 84.73.9.79:6999
type: 176.59.78.83:38872
type: 38.240.225.102:37892
type: 80.104.50.227:7000
type: 70.36.54.208:49232
type: 176.142.198.227:54670
type: 181.199.62.122:59096
type: 31.58.51.146:7035
type: 174.95.154.38:21640
type: 102.132.231.168:20907
type: 106.219.193.119:8370
type: 59.11.130.102:52981
type: 188.32.109.22:35312
type: 178.66.48.144:30036
type: 24.50.232.25:64690
type: 82.72.138.91:55014
type: 212.159.115.228:49176
type: 152.53.45.107:7033
type: 109.63.225.172:17767
type: 73.92.173.55:23965
type: 95.26.171.172:2583
type: 37.14.150.105:55436
type: 121.44.2.146:11735
type: 201.14.135.17:1025
type: 116.49.181.207:20673
type: 106.167.157.192:10476
type: 206.189.169.41:44019
type: 152.53.45.107:7041
type: 185.149.91.155:51009
type: 212.231.127.136:25803
type: 188.165.197.21:51000
type: 58.153.208.112:64387
type: 46.232.211.243:64077
type: 185.21.217.49:53824
type: 92.37.143.252:13059
type: 176.31.181.55:61700
type: 185.165.160.214:4211
type: 81.177.127.65:2059
type: 152.53.45.107:7137
type: 154.245.154.35:60399
type: 89.218.189.214:46381
type: 45.131.79.62:64123
type: 185.14.97.25:60498
type: 88.234.218.6:43359
type: 73.192.49.213:28882
type: 91.199.227.102:10050
type: 2.99.54.99:11375
type: 31.10.154.242:20427
type: 213.24.135.116:5410
type: 77.50.249.121:45757
type: 83.112.177.65:63192
type: 213.91.251.222:46195
type: 92.253.212.182:5030
type: 185.21.216.137:50177
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
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
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1698352 Sample: amd64.elf Startdate: 24/05/2025 Architecture: LINUX Score: 64 42 204.12.208.37, 6881 WIIUS United States 2->42 44 130.195.243.18, 27614 VUW-AS-APVictoriaUniversityofWellingtonNZ New Zealand 2->44 46 101 other IPs or domains 2->46 54 Connects to many ports of the same IP (likely port scanning) 2->54 56 Uses known network protocols on non-standard ports 2->56 10 amd64.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 amd64.elf sh 10->16         started        18 amd64.elf 10->18         started        21 amd64.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 amd64.elf 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.5Ip3tH, ASCII 23->40 dropped 58 Sample tries to persist itself using cron 23->58 60 Executes the "crontab" command typically for achieving persistence 23->60 33 sh crontab 27->33         started        36 amd64.elf 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 amd64.elf 36->38         started        process12
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-24 06:03:44 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 85fef88ccf66c8d5d5319b0722f44e4138da156ce89b150d270a494b8a5dbb07

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments