MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a. 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


MrBlack


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a
SHA3-384 hash: 4c603bd38902d89a814764f823ad9f18969fd101d33cba94e511a500dfca0b2752c8456095baaf34000642082dbeff1d
SHA1 hash: c04072e3b3b0f39c12fc7e2eddb63e6c70812c87
MD5 hash: d7c8437eab91fc6d05fa81aa2bf1bb43
humanhash: georgia-uncle-alaska-virginia
File name:d7c8437eab91fc6d05fa81aa2bf1bb43
Download: download sample
Signature MrBlack
Create hunting rule
File size:1'223'123 bytes
First seen:2022-01-18 14:15:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:e845rGHu6gVJKG75oFpA0VWeX4y2y1q2rJp0:745vRVJKGtSA0VWeoBu9p0
TLSH T146456B12FBD0CCB1D84616F5100FDA35D5229677A01BCA4FEA5DCD38BB29181AB1A37E
telfhash t1e3018946923c19882ea2ed54cc6127d354dbc16a2691e768fb8acdc4994e80af574c0f
Reporter zbetcheckin
Tags:32 elf intel MrBlack

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Agent-37008
Create hunting rule

Unix.Malware.Setag-9753632-0
Create hunting rule

Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/4561/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
csi.exe print.exe remote.exe
Link:
https://www.filescan.io/uploads/61e6cbaaf81da814af8c6b6a/reports/f0a7af3a-91e3-4b39-ad4d-11555e702932/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
34
Number of processes launched:
61
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a
Behaviour
Anti-VM
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
101.33.238.116:25000
173.231.184.122:6001
UDP botnet C2(s):
not identified
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0c549f07-f022-4e74-b447-4aee464b1d5e
Result
Threat name:
BillGates
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923056
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes permissions of common UNIX (system) binary directories
Contains symbols with names commonly found in malware
Detected Linux BillGates botnet
Drops files in suspicious directories
Drops invisible ELF files
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected BillGates
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 555530 Sample: kmhMhQxQDo Startdate: 19/01/2022 Architecture: LINUX Score: 100 107 www.7cfa.win 173.231.184.122, 36028, 36032, 36036 VOXEL-DOT-NETUS United States 2->107 109 101.33.238.116, 25000, 35216, 35218 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 2->109 111 4 other IPs or domains 2->111 133 Malicious sample detected (through community Yara rule) 2->133 135 Antivirus detection for dropped file 2->135 137 Antivirus / Scanner detection for submitted sample 2->137 139 5 other signatures 2->139 13 kmhMhQxQDo 2->13         started        15 dash rm 2->15         started        signatures3 process4 process5 17 kmhMhQxQDo 13->17         started        file6 79 /tmp/gates.lod, ASCII 17->79 dropped 81 /etc/init.d/DbSecuritySpt, Bourne-Again 17->81 dropped 121 Detected Linux BillGates botnet 17->121 123 Drops files in suspicious directories 17->123 125 Opens /proc/net/* files useful for finding connected devices and routers 17->125 21 kmhMhQxQDo 17->21         started        23 kmhMhQxQDo sh 17->23         started        25 kmhMhQxQDo sh 17->25         started        27 11 other processes 17->27 signatures7 process8 process9 29 kmhMhQxQDo sh 21->29         started        31 sh cp 23->31         started        35 sh cp 25->35         started        37 kmhMhQxQDo sh 27->37         started        39 sh ln 27->39         started        41 sh ln 27->41         started        43 8 other processes 27->43 file10 45 sh getty 29->45         started        103 /usr/bin/.sshd, ELF 31->103 dropped 113 Writes identical ELF files to multiple locations 31->113 115 Drops invisible ELF files 31->115 117 Drops files in suspicious directories 31->117 105 /usr/bin/bsd-port/getty, ELF 35->105 dropped 47 sh .sshd 37->47         started        119 Sample tries to persist itself using System V runlevels 39->119 signatures11 process12 process13 49 getty 45->49         started        53 .sshd 47->53         started        file14 83 /usr/bin/bsd-port/getty.lock, ASCII 49->83 dropped 85 /usr/bin/bsd-port/conf.n, data 49->85 dropped 87 /etc/init.d/selinux, Bourne-Again 49->87 dropped 127 Drops files in suspicious directories 49->127 129 Opens /proc/net/* files useful for finding connected devices and routers 49->129 55 getty sh 49->55         started        57 getty sh 49->57         started        59 getty sh 49->59         started        61 40 other processes 49->61 89 /tmp/moni.lod, ASCII 53->89 dropped 131 Detected Linux BillGates botnet 53->131 signatures15 process16 process17 63 sh cp 55->63         started        66 sh cp 57->66         started        68 sh cp 59->68         started        70 sh cp 61->70         started        72 sh cp 61->72         started        75 sh cp 61->75         started        77 37 other processes 61->77 file18 141 Writes identical ELF files to multiple locations 63->141 143 Drops files in suspicious directories 63->143 91 /usr/bin/dpkgd/netstat, ELF 72->91 dropped 93 /usr/bin/dpkgd/lsof, ELF 75->93 dropped 95 /usr/bin/ss, ELF 77->95 dropped 97 /usr/bin/ps, ELF 77->97 dropped 99 /usr/bin/netstat, ELF 77->99 dropped 101 3 other malicious files 77->101 dropped 145 Sample tries to persist itself using System V runlevels 77->145 147 Changes permissions of common UNIX (system) binary directories 77->147 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a/
Threat name:
Linux.Backdoor.Setag
Create hunting rule
Status:
Malicious
First seen:
2022-01-15 01:15:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
mrblack
Create hunting rule
Score:
  10/10
Tags:
family:mrblack
Link:
https://tria.ge/reports/220118-rk5mlsbfcm/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a

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:unixredflags3
Create hunting rule
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

MrBlack

elf ef25e5a8a35482a1dde914a60a9239c2ba3dd2dbd287af7791430c394d46160a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1973339/
  
URLhaus
https://urlhaus.abuse.ch/url/1986536/

Comments


Avatar
zbet commented on 2022-01-18 14:15:33 UTC

url : hxxp://107.189.12.195/sys