MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a61e39660a253b6da4ff12d7ea94d25df4a55b118099c20db8f4ea25e03ff4e4. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments

SHA256 hash: a61e39660a253b6da4ff12d7ea94d25df4a55b118099c20db8f4ea25e03ff4e4
SHA3-384 hash: 37763776e7417467263d086555750b862c2620510622b28fec63b33d5f5e57e9e48bd447ee5516b343f68fdf05c9f460
SHA1 hash: c5fa050a082ff97cd6912e81b9fe1d81f8250276
MD5 hash: c96eaeae85918664aa3bddabd95d18b1
humanhash: north-kansas-sodium-four
File name:csrss.exe1
Download: download sample
Signature Loki
File size:553'472 bytes
First seen:2022-07-08 09:20:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:cG1ZrR0eXXdzADJn+AbXBzhseHTrugiZJ+3s4aTyDlt:x1VzAZhzBzhTzag4+3
Threatray 12'659 similar samples on MalwareBazaar
TLSH T143C4125A3B88E933C96E43B46D71C0492731FC1A3A28EB4AAF9731FD1B71712449B647
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter KdssSupport
Tags:exe Loki


Avatar
KdssSupport
Uploaded with API

Intelligence


File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
lokibot
ID:
1
File name:
http://103.207.39.127/office/receipt.doc
Verdict:
Malicious activity
Analysis date:
2022-07-08 08:47:50 UTC
Tags:
opendir exploit CVE-2017-11882 loader stealer trojan lokibot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the system32 directory
Enabling the 'hidden' option for analyzed file
Moving of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Lokibot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Tries to steal Mail credentials (via file registry)
Yara detected AntiVM3
Yara detected aPLib compressed binary
Yara detected Lokibot
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-08 09:21:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection spyware stealer suricata trojan
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
suricata: ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M1
suricata: ET MALWARE LokiBot Application/Credential Data Exfiltration Detected M2
suricata: ET MALWARE LokiBot Checkin
suricata: ET MALWARE LokiBot Fake 404 Response
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M1
suricata: ET MALWARE LokiBot Request for C2 Commands Detected M2
suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)
Malware Config
C2 Extraction:
http://sempersim.su/gh20/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:
81a48fb5d744a56f5d9a65555c19636151aff240705d44ac94198c37f4ed2624
MD5 hash:
e17f151fbc40582ab029048789811905
SHA1 hash:
a2781401e45d60fcc8496cb3afaf9194a3320780
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
fd06ebfe7b82b0505a1d84251877abd47c210a9a7616fc569289b5eb994b443d
MD5 hash:
575c567a71208fcd3e05a5440e30cb27
SHA1 hash:
482c7e4623145c1a0c82ea5a2cb361295567b82a
SH256 hash:
3114935d157cdebdd2aa6666601cc6d49296741138f926a04e9da3bdbd2b5f53
MD5 hash:
d4e4dbb74e3bce8bc6ff31ce5e30939a
SHA1 hash:
40536591de29c624302eb4e61ca07a75ca49838f
Detections:
win_lokipws_g0 win_lokipws_auto lokibot
SH256 hash:
f55040cb7b5357ee2d80b8c236d241b47aad6226e4f1fe7d634cd599f9aed724
MD5 hash:
3f820425ba0992d484c95ef32e9ac1ef
SHA1 hash:
3b8c64984bbd2a8f035ccf606f8fd602fa5c1516
SH256 hash:
a61e39660a253b6da4ff12d7ea94d25df4a55b118099c20db8f4ea25e03ff4e4
MD5 hash:
c96eaeae85918664aa3bddabd95d18b1
SHA1 hash:
c5fa050a082ff97cd6912e81b9fe1d81f8250276
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:infostealer_loki
Rule name:infostealer_xor_patterns
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
Author:kevoreilly
Description:Loki Payload
Rule name:LokiBot
Author:kevoreilly
Description:LokiBot Payload
Rule name:malware_Lokibot_strings
Author:JPCERT/CC Incident Response Group
Description:detect Lokibot in memory
Reference:internal research
Rule name:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:STEALER_Lokibot
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect Lokibot stealer
Rule name:win_lokipws_auto
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

Executable exe a61e39660a253b6da4ff12d7ea94d25df4a55b118099c20db8f4ea25e03ff4e4

(this sample)

  
Delivery method
Distributed via web download

Comments