MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19. 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

Loki

Vendor detections: 14

Intelligence 14 IOCs YARA 12 File information Comments

SHA256 hash:	f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19
SHA3-384 hash:	caf749b0611a348dd3c3166d6e9b6473e2fa5deabaf55f82a7b4dcb336034791203b4c1797cf68092b97d9d280406f6a
SHA1 hash:	94ed3878101ae7d602dc31e4a01ff32daed779b2
MD5 hash:	c49da1c22e3983feb875ac2ba5e5188e
humanhash:	washington-orange-ack-friend
File name:	csrss.exe
Download:	download sample
Signature	Loki Create hunting rule
File size:	498'176 bytes
First seen:	2021-11-01 08:45:58 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:W78H19zkeTllat9YefaqECSknu+Fqpm1HS0ke:Hz3Ti5bTZT1HS0ke
Threatray	5'320 similar samples on MalwareBazaar
TLSH	T1FCB4AE66A37CAF43D834A3FC84217044ABB066257C97DB4D8FC523EA8A327B17D61587
Reporter	pr0xylife
Tags:	exe Loki Lokibot

Intelligence

File Origin

# of uploads :

# of downloads :

335

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

TT20200976TSMC.xlsx

Verdict:

Malicious activity

Analysis date:

2021-11-01 08:47:27 UTC

Tags:

encrypted opendir exploit CVE-2017-11882 loader trojan lokibot stealer

Link:

https://app.any.run/tasks/de228689-8383-42c1-9cb1-13d945b242be

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Trojan.Inject4.18180.10785.2513.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Creating a file in the %temp% directory

Delayed writing of the file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed

Link:

https://www.filescan.io/uploads/617ff9969a5a1e91c5d9f8fc/reports/898707c4-1307-4967-a672-f0f2c956512c/overview

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Loki

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/757a875a-9c47-4f10-bba2-85725f4cfadc

Result

Threat name:

Lokibot

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/880424

Signature

.NET source code contains potential unpacker

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sigma detected: System File Execution Location Anomaly

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Tries to steal Mail credentials (via file registry)

Yara detected AntiVM3

Yara detected aPLib compressed binary

Yara detected Lokibot

Behaviour

Behavior Graph:

Download SVG

Detection:

lokibot

Link:

https://mwdb.cert.pl/sample/f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-11-01 08:46:04 UTC

AV detection:

15 of 45 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6sbw27y6bjvouyqlojyijjrazsqpccaz5nvymrx2lncquvy754mq._file

Verdict:

malicious

Label(s):

lokipasswordstealer(pws)

Result

Malware family:

lokibot

Score:

10/10

Tags:

family:lokibot collection spyware stealer trojan

Link:

https://tria.ge/reports/211101-kpa58shce8/

Behaviour

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Reads user/profile data of web browsers

Lokibot

Malware Config

C2 Extraction:

http://secure01-redirect.net/fd4/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php

Unpacked files

SH256 hash:

7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785

MD5 hash:

171a2669225911b41301096cd9dcf19f

SHA1 hash:

dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5

Link:

https://www.unpac.me/results/5ea59d89-4dcd-49a7-bcfc-51178aaac7ea/

SH256 hash:

fab246fd2a7df398e96a1f8f4496c39bf7fa4ce741d0b00ed23f626e364a7a2c

MD5 hash:

8bc9bc4878982eaba8c1427fed557bcd

SHA1 hash:

84dd1485b4e6094a49175b856074826bc99387e1

Detections:

win_lokipws_g0

win_lokipws_auto

Link:

https://www.unpac.me/results/5ea59d89-4dcd-49a7-bcfc-51178aaac7ea/

Parent samples :

2447eb9572ac10a9daacaad16bf8f4f922041849c0a570cdeb8724ea9285aac6
9dc5001348a4990dbe44f7e41ca10eaa0d367acde6e2c3c8c62bce4aac61e78a
4982f90c3faa83dcaf0dcf9e42fc1b839d717bd0e13aae632e975344e94db3d2
f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19
d24c2aa76e1016badf098bffa131c7fc7b33df448699a3c7f37144ed0a3c07a7
3ea6b264f188f2206dfdb837c6c5c367c3b89dcc97c6116aee99ec7caaf99e35
07b0e754773e1f673701fd459b333266ee6fbc0e32b7cb782cd8853d66adcb5a
4a4f43c0144938558b100346f939716bed32fd1cd31b3bf8aed85ae1ced15e67
e9d74ee794a0523a9983cde19d00bc74bded13d60fc92b389e932303d09559af

SH256 hash:

ac43fe1203bafc6fdf4ce6d8b1cc3c70ee863facd32229bc3c75c21f86570e67

MD5 hash:

caf6ed8a6f8430893485e637ef17f6b8

SHA1 hash:

2a0c64b441b6aad33807364037ad7d2d1057a22b

Link:

https://www.unpac.me/results/5ea59d89-4dcd-49a7-bcfc-51178aaac7ea/

SH256 hash:

f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19

MD5 hash:

c49da1c22e3983feb875ac2ba5e5188e

SHA1 hash:

94ed3878101ae7d602dc31e4a01ff32daed779b2

Link:

https://www.unpac.me/results/5ea59d89-4dcd-49a7-bcfc-51178aaac7ea/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Lokibot

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19

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:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_GENInfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing common artifcats observed in infostealers

Rule name:	infostealer_loki Create hunting rule

Rule name:	infostealer_xor_patterns Create hunting rule
Author:	jeFF0Falltrades
Description:	The XOR and string patterns shown here appear to be unique to certain information-stealing malware families, namely LokiBot and Pony/Fareit. The XOR patterns were observed in a several loaders and payloads for LokiBot, but have also appeared (less frequently) in Pony/Fareit loaders and samples. The two accompanying rules below can be used to further classify the final payloads.

Rule name:	Loki Create hunting rule
Author:	kevoreilly
Description:	Loki Payload

Rule name:	Lokibot Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Lokibot in memory
Reference:	internal research

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	STEALER_Lokibot Create hunting rule
Author:	Marc Rivero \| McAfee ATR Team
Description:	Rule to detect Lokibot stealer

Rule name:	win_lokipws_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.lokipws.

File information

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

Web download

Loki

exe f4836d7f1e0a6aea620b727084a620cca0f10819eb6b8646fa5b450a571fef19

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/1735283/

Delivery method

Distributed via web download

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