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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b80375a28010cf4d9adaa331e3e8a7938b089b1eb23d822b1e0b010c340768eb. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b80375a28010cf4d9adaa331e3e8a7938b089b1eb23d822b1e0b010c340768eb
SHA3-384 hash: 8da05e5a54541895032c1ecaf27629267e08b646983487487549f961e43291d354cb08aec9ce5f26b33d6d846447de7e
SHA1 hash: 9b86e83ceca5b0348141721f3c8b373b809f34fe
MD5 hash: 09cfe017b0b73fdde57c33c6ad9c4682
humanhash: low-victor-cardinal-oscar
File name:receipt.doc
Download: download sample
Signature Loki
Create hunting rule
File size:19'588 bytes
First seen:2022-07-25 18:15:33 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:application/octet-stream
ssdeep 384:fBOEJoiHfyZQVfxwew8KCDzmtX7Jy8DaswA0OW0Xqq:f0Ee0fyZAfxwew8nDzgX7AmasAOX
TLSH T10C92557EF64B8E4DEB17D2A4151ABEB9062DF52DA3C440C1BBBCE734791D8068B21538
Reporter proxylife
Tags:CVE-2017-11882 Loki Lokibot rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
430
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Spam-473.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embedequation exploit
Link:
https://www.filescan.io/uploads/62dede045c40cd8dc5ed066c/reports/96378d95-0bea-4ef2-88c1-661feede1041/overview
Result
Threat name:
Lokibot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040854
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Initial sample is an obfuscated RTF file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 673350 Sample: receipt.doc Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 33 sempersim.su 2->33 39 Initial sample is an obfuscated RTF file 2->39 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 17 other signatures 2->45 8 EQNEDT32.EXE 12 2->8         started        13 WINWORD.EXE 291 21 2->13         started        signatures3 process4 dnsIp5 37 103.207.39.127, 49173, 80 VNPT-AS-VNVNPTCorpVN Viet Nam 8->37 27 C:\Users\user\AppData\Local\...\csrss[1].exe, PE32 8->27 dropped 29 C:\Users\Public\vbc.exe, PE32 8->29 dropped 55 Office equation editor establishes network connection 8->55 57 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->57 15 vbc.exe 1 5 8->15         started        31 ~WRF{5897513B-F359...2-86AA963E0F32}.tmp, Composite 13->31 dropped file6 signatures7 process8 signatures9 59 Machine Learning detection for dropped file 15->59 61 Injects a PE file into a foreign processes 15->61 18 vbc.exe 54 15->18         started        23 vbc.exe 15->23         started        process10 dnsIp11 35 sempersim.su 47.251.12.81, 49174, 49175, 49176 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->35 25 C:\Users\user\AppData\...\5879F5.exe (copy), PE32 18->25 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->47 49 Tries to steal Mail credentials (via file / registry access) 18->49 51 Tries to harvest and steal ftp login credentials 18->51 53 Tries to harvest and steal browser information (history, passwords, etc) 18->53 file12 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b80375a28010cf4d9adaa331e3e8a7938b089b1eb23d822b1e0b010c340768eb/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-07-25 18:16:06 UTC
File Type:
Document
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xabxliuacdhu3gw2umy6h2fhsofqrgy6wi6yeky6bmaqynahndvq._file
Malware family:
Lokibot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b80375a28010/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/b80375a28010cf4d9adaa331e3e8a7938b089b1eb23d822b1e0b010c340768eb

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_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

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

Comments