MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc
SHA3-384 hash: 398d7457a477de34a142bf607f57dff910680dbe6b3bb06baa076136755fb003440095808d3508c9aaf0c906ec69612f
SHA1 hash: 2ea4ab0940f9c0128a4df783375e6bbbeb5ba3e8
MD5 hash: 38ad90e802f3d4516d8e5c48e762b2ac
humanhash: potato-oxygen-fifteen-bravo
File name:a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc
Download: download sample
Signature MassLogger
Create hunting rule
File size:913'408 bytes
First seen:2020-11-03 09:13:14 UTC
Last seen:2020-11-03 11:58:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:0JnC9IOJiaywRnN1nL5MTuJuDJ3SDTGMyG1iXTME:Li/wRnNQTu8DADTGMh1iX1
Threatray 441 similar samples on MalwareBazaar
TLSH 0115012A2398EB76F5BE7BB8A425180143F4F643E336D60A7DD850DC69E2F848371752
Reporter JAMESWT_WT
Tags:MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/81998/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.424.24302.29458.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/518999
Signature
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
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: 308600 Sample: tXwKUKQgWF Startdate: 03/11/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 10 other signatures 2->44 8 tXwKUKQgWF.exe 7 2->8         started        process3 file4 24 C:\Users\user\AppData\...\SHQBLlCWxsAyci.exe, PE32 8->24 dropped 26 C:\...\SHQBLlCWxsAyci.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmp1F29.tmp, XML 8->28 dropped 30 C:\Users\user\AppData\...\tXwKUKQgWF.exe.log, ASCII 8->30 dropped 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->46 48 Injects a PE file into a foreign processes 8->48 12 tXwKUKQgWF.exe 15 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 32 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.98.120, 49721, 80 AMAZON-AESUS United States 12->32 34 192.168.2.1 unknown unknown 12->34 36 2 other IPs or domains 12->36 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Adds a directory exclusion to Windows Defender 12->54 18 powershell.exe 26 12->18         started        20 conhost.exe 16->20         started        signatures8 process9 process10 22 conhost.exe 18->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-03 08:20:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uflpawpdhr2eoxni4vg3drigquxgsppml253xc2ceb3xn5q2fg6a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
0a6447ca302af67b351842f078f0462cf33c95d587da76e220322cd9bd9803a3
MassLogger
2fea8f7c727460dfd943dce7f9bb051f188f37a0150a132039a1892f18749ff3
MassLogger
436314d8b9afa67d0e70b72b19c6d3d3309983980b65ca857d46b78fdfc40d56
MassLogger
5dd8cf7e789bc36a9a069cf42247f758e8900f8913c88e5ac84328d30e6d7c99
MassLogger
70caf501b061da2729d33d4b0c5e9b9c58bc554cdbdddef16f7e057ea346808c
MassLogger
a2b0e9c1ea03a3a538fe9ef7f8e6dbf4c08feba8560e238e29fce0dd2f2e144b
MassLogger
a4b3f2e56eed3604a93d6f4705bc9631347f5166b661f37bc9ebb074ea5a50d5
MassLogger
c2aeb018b7852237a95b24416c3935595d079f7584884244b9a1efd92c19ac0c
MassLogger
ce073fce9de335c288fe205d5bf7fbdd9fd3ecc718821116dbad098f176a69de
MassLogger
d0aba2a5256b4275aa90d032bf30e8d4168a70893f7b1badec622d80b2a57e33
MassLogger
+ 431 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/201103-ztk2sd4ghj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc
MD5 hash:
38ad90e802f3d4516d8e5c48e762b2ac
SHA1 hash:
2ea4ab0940f9c0128a4df783375e6bbbeb5ba3e8
Link:
https://www.unpac.me/results/90ca7148-1eae-49f4-90b5-e3156353a9ea/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/90ca7148-1eae-49f4-90b5-e3156353a9ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc

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:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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.

Web download

MassLogger

Executable exe a156f059e33c74475da8e54db1c506852e693dec5ebbbb8b42207776f61a29bc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/782079/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/81998/

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