MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd
SHA3-384 hash: b2cc963c9c4ed086d5cf0a3d2cb87edbf21abdf2a8f51e852f55b33905216f8499f89a2c110879c5398986ccd4e9fbcb
SHA1 hash: 36a1e32fc9420988ab31871817c8f567eae926f8
MD5 hash: 1fa2da684708dca4a1cf876d12557ce3
humanhash: salami-five-aspen-fourteen
File name:REQUEST FOR QUOTATION pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'243'136 bytes
First seen:2020-10-12 06:25:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 010f3e42f15e9eb57a4a9a1dad838a51 (10 x Loki, 8 x AgentTesla, 3 x MassLogger)
ssdeep 24576:Ci16wf9aNzQ4lFUtqA5bIzYpJQtLIRCNbeI169J:fUuozFUtqAWYpytc8l16H
Threatray 480 similar samples on MalwareBazaar
TLSH 0D45E022E2E17C33F12636399DDB566C982EFE502D2868462BE51C4F5F3D6817839393
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: server.wesaca.com
Sending IP: 185.62.136.211
From: bkj <bkj@cbn.net.id>
Subject: Request for Quote (RFQ)
Attachment: REQUEST FOR QUOTATION pdf.zip (contains "REQUEST FOR QUOTATION pdf.exe")

MassLogger SMTP exfil server:
smtp.goldenfance.com:587

MassLogger SMTP exfil email address:
ppdata@goldenfance.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a process from a recently created file
Deleting a recently created file
Replacing files
Reading critical registry keys
Moving a file to the %temp% subdirectory
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488070
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296503 Sample: REQUEST FOR QUOTATION pdf.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 13 other signatures 2->64 9 vlc.exe 2->9         started        12 REQUEST FOR QUOTATION pdf.exe 2->12         started        process3 signatures4 72 Multi AV Scanner detection for dropped file 9->72 74 Detected unpacking (changes PE section rights) 9->74 76 Detected unpacking (creates a PE file in dynamic memory) 9->76 80 4 other signatures 9->80 14 vlc.exe 4 9->14         started        78 Maps a DLL or memory area into another process 12->78 16 REQUEST FOR QUOTATION pdf.exe 15 10 12->16         started        process5 dnsIp6 46 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.182.194, 49727, 49739, 80 AMAZON-AESUS United States 16->46 48 192.168.2.1 unknown unknown 16->48 50 2 other IPs or domains 16->50 40 C:\Users\user\AppData\Local\Temp\...\vlc.exe, PE32 16->40 dropped 42 C:\...\REQUEST FOR QUOTATION pdf.exe.log, ASCII 16->42 dropped 20 cmd.exe 1 16->20         started        22 cmd.exe 1 16->22         started        file7 process8 process9 24 vlc.exe 20->24         started        27 conhost.exe 20->27         started        29 timeout.exe 1 20->29         started        31 conhost.exe 22->31         started        33 schtasks.exe 1 22->33         started        signatures10 70 Maps a DLL or memory area into another process 24->70 35 vlc.exe 14 4 24->35         started        process11 dnsIp12 52 smtp.goldenfance.com 35->52 54 us2.smtp.mailhostbox.com 208.91.199.225, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 35->54 56 3 other IPs or domains 35->56 44 C:\Users\user\AppData\Local\Temp\...\Log.txt, ASCII 35->44 dropped 66 Tries to steal Mail credentials (via file access) 35->66 68 Tries to harvest and steal browser information (history, passwords, etc) 35->68 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd/
Threat name:
Win32.Trojan.LokibotCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 03:20:21 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=io5cxeeoxn2lyd4fvxa6ub7juvqhls75qbkqf6egxunfdwtrjpoq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1b4249b0b590b4166f62a4e9fff3dfccc4d46cca9173d9c669311738fd98d2dd
MassLogger
1e3f14f932364db4904b69fce12e373e6354f4291dcda0d82a8477a21a9a803f
MassLogger
4c3a7099eda494c1353b5a682855c0bda954754a1d9afb8a89beca8df2f070ef
MassLogger
835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445
MassLogger
83da309c7fb81eeb13a90121d49fa67c885c9622b24757457191c05a19a639b1
MassLogger
9a55c48d0f35b724b84edcf878ab46d8be542560d5cae69c3c3bee1cee2a2bc4
MassLogger
9f472d0e4e519e465b9f5a5868354d7f8107f10680186ac301f2b700e762ea95
MassLogger
a2b0e9c1ea03a3a538fe9ef7f8e6dbf4c08feba8560e238e29fce0dd2f2e144b
MassLogger
b11dd5b20f65034f4e5d1f6a13019d06a2d26c357d10ee42b9de2f326c72267b
MassLogger
e0c34f114e453f3bbc87f54c2216141f5b805095e7d72ef8ec01192af5110452
MassLogger
+ 470 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/201012-f2b32sezlx/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
UPX packed file
MassLogger
MassLogger log file
Unpacked files
SH256 hash:
43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd
MD5 hash:
1fa2da684708dca4a1cf876d12557ce3
SHA1 hash:
36a1e32fc9420988ab31871817c8f567eae926f8
Link:
https://www.unpac.me/results/b5f5e8e9-c3f5-43e8-bfbd-5607634ab699/
SH256 hash:
2fd081745dff5843912fd91dd1ee0bf08435ea8f29aa26425201448d03184b03
MD5 hash:
5633f3f0f9cf47cecc9d617de982cbee
SHA1 hash:
2d078fbfe7df966c3c8bcf5fc131f278a397e612
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/b5f5e8e9-c3f5-43e8-bfbd-5607634ab699/
SH256 hash:
7d7d4d58c72b6f100edb1fc2a5a47440bc205e443326bae469b83a0e10d144fc
MD5 hash:
4e402782298e4b95613f95e4256bb9cf
SHA1 hash:
ac0066dd1b0d847e8cba15aeeb0297fc8fbff9ce
Link:
https://www.unpac.me/results/b5f5e8e9-c3f5-43e8-bfbd-5607634ab699/
SH256 hash:
d7ac2c93e15562675686ae70b8c6b881c9703f29acfb2aee28b9d4c80afbbd8b
MD5 hash:
774e22fa4e7fd3ea4ade4c219e371d48
SHA1 hash:
69e87b50bad523c92dc5375626cd147d33dafc8f
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/b5f5e8e9-c3f5-43e8-bfbd-5607634ab699/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

zip b584ec4e83d86ec542e16aed27f3e826685e10d50aac1943d76e57f335b97936

MassLogger

Executable exe 43ba2b908ebb74bc0f85adc1ea07e9a56075cbfd805502f886bd1a51da714bdd

(this sample)

  
Dropped by
MD5 f6e789620bcbc78f2f1f4ed6e3afc819
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69975/
  
Dropped by
SHA256 b584ec4e83d86ec542e16aed27f3e826685e10d50aac1943d76e57f335b97936

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