MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2833ffeca48c46759cb0d4c984e81a9b69614c368bf0052600786e55fd534d67. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments 1

SHA256 hash: 2833ffeca48c46759cb0d4c984e81a9b69614c368bf0052600786e55fd534d67
SHA3-384 hash: cdd710eec992358fd5390cc87faf7166f32e65518712576259bbe354ce5f8b6c002baff346d64ab06ccf4d07381a919d
SHA1 hash: 357a1acb28174392e191716972537555790ae792
MD5 hash: 716f61cba6d08cd0c1904bcc827b56a0
humanhash: beer-tennis-colorado-sink
File name:716f61cba6d08cd0c1904bcc827b56a0.exe
Download: download sample
Signature Loki
File size:212'370 bytes
First seen:2021-05-03 11:42:32 UTC
Last seen:2021-05-03 13:05:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:lPXId3Ieyy7RylSuO5z/YHNnViy9M0sJfk3C6u:az1YSuuTkn/9M0sJfkS6u
Threatray 4'952 similar samples on MalwareBazaar
TLSH C52412393A11D4F3DB478A706F740BE6FFE591100664150B2BA0EB5E7BB7BC0972A285
Reporter abuse_ch
Tags:exe Loki

Intelligence


File Origin
# of uploads :
3
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 402793 Sample: S4qfwZnR6X.exe Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 31 www.quadacross.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 3 other signatures 2->45 11 S4qfwZnR6X.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\shsmack.dll, PE32 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 S4qfwZnR6X.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 mkchemicalvina.com 103.153.215.41, 49756, 80 TWIDC-AS-APTWIDCLimitedHK unknown 18->33 35 www.silhouettebodyspa.com 198.185.159.144, 49743, 80 SQUARESPACEUS United States 18->35 37 21 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Backdoor.Convagent
Status:
Malicious
First seen:
2021-05-03 11:43:08 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.stonescapes1.com/de92/
Unpacked files
SH256 hash:
4f70280ff2a0811ddcb7fee2893d432e78234f8121f83c8d51f4ad3f0caaa75d
MD5 hash:
754f65f8025460256126f94d880be78e
SHA1 hash:
888427853b9b5d919423eaabe8be2fb126a80203
SH256 hash:
2833ffeca48c46759cb0d4c984e81a9b69614c368bf0052600786e55fd534d67
MD5 hash:
716f61cba6d08cd0c1904bcc827b56a0
SHA1 hash:
357a1acb28174392e191716972537555790ae792
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Web download

Loki

Executable exe 2833ffeca48c46759cb0d4c984e81a9b69614c368bf0052600786e55fd534d67

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-03 11:59:48 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread