Linux Analysis Report
eFRX5kWfol.elf

Overview

General Information

Sample name: eFRX5kWfol.elf
renamed because original name is a hash value
Original sample name: 66098b57ef403e724c4af0f0923008b2.elf
Analysis ID: 1431639
MD5: 66098b57ef403e724c4af0f0923008b2
SHA1: 8e01eb44a3315e988e4632586adbb735492977e9
SHA256: 6d222a3b7643537e25026caea8279ee649becd5d55c8a709a9f3ce642f7fb678
Tags: 64elfmirai
Infos:

Detection

Score: 68
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Machine Learning detection for sample
Executes the "rm" command used to delete files or directories
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Yara signature match

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: eFRX5kWfol.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: eFRX5kWfol.elf ReversingLabs: Detection: 56%
Source: eFRX5kWfol.elf Virustotal: Detection: 39% Perma Link
Machine Learning detection for sample
Source: eFRX5kWfol.elf Joe Sandbox ML: detected
Found strings indicative of a multi-platform dropper
Source: eFRX5kWfol.elf String: HTTP/1.1 200 OKmost-armmost-arm5most-arm6most-arm7most-mipsmost-mpslmost-x86_64most-sh4./pkillkillallwgetbusyboxtopcurltftppgrepxargsawktoybox./dvr_gui./upnp_server./dvr_app/proc/proc/%s/cmdlineKh
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com
Source: unknown Network traffic detected: HTTP traffic on port 34592 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 34592

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_9e9530a7 Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_d4227dbf Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_d996d335 Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_620087b9 Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_33b4111a Author: unknown
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_564b8eda Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_9e9530a7 Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d4227dbf Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d996d335 Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_620087b9 Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_33b4111a Author: unknown
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_564b8eda Author: unknown
Source: Process Memory Space: eFRX5kWfol.elf PID: 5482, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: busybox
Source: Initial sample String containing 'busybox' found: HTTP/1.1 200 OKmost-armmost-arm5most-arm6most-arm7most-mipsmost-mpslmost-x86_64most-sh4./pkillkillallwgetbusyboxtopcurltftppgrepxargsawktoybox./dvr_gui./upnp_server./dvr_app/proc/proc/%s/cmdlineKh
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_9e9530a7 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = d6ad6512051e87c8c35dc168d82edd071b122d026dce21d39b9782b3d6a01e50, id = 9e9530a7-ad4d-4a44-b764-437b7621052f, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_d4227dbf reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 58c4b1d4d167876b64cfa10f609911a80284180e4db093917fea16fae8ccd4e3, id = d4227dbf-6ab4-4637-a6ba-0e604acaafb4, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_d996d335 reference_sample = b511eacd4b44744c8cf82d1b4a9bc6f1022fe6be7c5d17356b171f727ddc6eda, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = e9ccb8412f32187c309b0e9afcc3a6da21ad2f1ffa251c27f9f720ccb284e3ac, id = d996d335-e049-4052-bf36-6cd07c911a8b, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_620087b9 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 06cd7e6eb62352ec2ccb9ed48e58c0583c02fefd137cd048d053ab30b5330307, id = 620087b9-c87d-4752-89e8-ca1c16486b28, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Gafgyt_33b4111a reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 9c3b63b9a0f54006bae12abcefdb518904a85f78be573f0780f0a265b12d2d6e, id = 33b4111a-e59e-48db-9d74-34ca44fcd9f5, last_modified = 2021-09-16
Source: eFRX5kWfol.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_564b8eda reference_sample = ff04921d7bf9ca01ae33a9fc0743dce9ca250e42a33547c5665b1c9a0b5260ee, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 63a9e43902e7db0b7a20498b5a860e36201bacc407e9e336faca0b7cfbc37819, id = 564b8eda-6f0e-45b8-bef6-d61b0f090a36, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_9e9530a7 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = d6ad6512051e87c8c35dc168d82edd071b122d026dce21d39b9782b3d6a01e50, id = 9e9530a7-ad4d-4a44-b764-437b7621052f, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d4227dbf reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 58c4b1d4d167876b64cfa10f609911a80284180e4db093917fea16fae8ccd4e3, id = d4227dbf-6ab4-4637-a6ba-0e604acaafb4, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_d996d335 reference_sample = b511eacd4b44744c8cf82d1b4a9bc6f1022fe6be7c5d17356b171f727ddc6eda, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = e9ccb8412f32187c309b0e9afcc3a6da21ad2f1ffa251c27f9f720ccb284e3ac, id = d996d335-e049-4052-bf36-6cd07c911a8b, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_620087b9 reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 06cd7e6eb62352ec2ccb9ed48e58c0583c02fefd137cd048d053ab30b5330307, id = 620087b9-c87d-4752-89e8-ca1c16486b28, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Gafgyt_33b4111a reference_sample = 01da73e0d425b4d97c5ad75c49657f95618b394d09bd6be644eb968a3b894961, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = 9c3b63b9a0f54006bae12abcefdb518904a85f78be573f0780f0a265b12d2d6e, id = 33b4111a-e59e-48db-9d74-34ca44fcd9f5, last_modified = 2021-09-16
Source: 5482.1.0000000000400000.000000000041b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_564b8eda reference_sample = ff04921d7bf9ca01ae33a9fc0743dce9ca250e42a33547c5665b1c9a0b5260ee, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 63a9e43902e7db0b7a20498b5a860e36201bacc407e9e336faca0b7cfbc37819, id = 564b8eda-6f0e-45b8-bef6-d61b0f090a36, last_modified = 2021-09-16
Source: Process Memory Space: eFRX5kWfol.elf PID: 5482, type: MEMORYSTR Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: classification engine Classification label: mal68.linELF@0/0@2/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 5547) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.lP3ujbDVHq /tmp/tmp.sGvxnbEPCz /tmp/tmp.Ji4EecG5YZ Jump to behavior
Source: /usr/bin/dash (PID: 5548) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.lP3ujbDVHq /tmp/tmp.sGvxnbEPCz /tmp/tmp.Ji4EecG5YZ Jump to behavior
windows-stand
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
54.217.10.153
 unknown United States
16509 AMAZON-02US false

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.24 true