MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88
SHA3-384 hash: 2adb771adeb232a2dd796d66cbe7f9ef1e3e568759565225944db5b6e26b868cb3afc801284863ce2201787296cf6060
SHA1 hash: 931900202491034982dfc495165e1177efc95e24
MD5 hash: 050c0e4c6e0ec6feff5184b134957b4e
humanhash: jersey-nevada-finch-uranus
File name:HALKBANK.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:921'088 bytes
First seen:2020-10-15 12:14:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ggD/3Jrpq+AKa2gltHefH4vio0wZCW3LspqsdUuLv5fF8bWlZCkFKw3l:DD/3dD7ZqtHefs0wFYp3d5fF8b+rF1l
Threatray 256 similar samples on MalwareBazaar
TLSH CB159FB27C92587ECA6B077551A985C1FABA16C73FA08B0D71AF430C0F11A2BE757247
Reporter abuse_ch
Tags:exe geo Halkbank MassLogger TUR


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.ataymuhendislik.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.cc.26291.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/492327
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Creates executable files without a name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298663 Sample: HALKBANK.exe Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected MassLogger RAT 2->39 41 4 other signatures 2->41 7 HALKBANK.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\Desktop\.exe, PE32 7->27 dropped 29 C:\Users\user\Desktop\.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\HALKBANK.exe.log, ASCII 7->31 dropped 33 2 other files (none is malicious) 7->33 dropped 51 Creates executable files without a name 7->51 53 Tries to detect virtualization through RDTSC time measurements 7->53 15 cmd.exe 1 7->15         started        17 .exe 2 7->17         started        19 .exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        43 Multi AV Scanner detection for dropped file 19->43 45 Machine Learning detection for dropped file 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 process8 signatures9 49 Creates an autostart registry key pointing to binary in C:\Windows 22->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88/
Threat name:
ByteCode-MSIL.Trojan.Agentesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-15 08:30:29 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kzimjszfgz6q5fwbrqumojda5jcx6yqyic7ap7aj3qvrtuc4boea._file
Verdict:
unknown
Similar samples:
0451c23deb9a283b5aead1f5a49d95b09e35c21e953eeeec71ff1d71eaecd9f3
MassLogger
30e5d725ef8367f4d2d044ab45908659b7eda107d02452f6b30a87e4a6a49885
MassLogger
53a55d9370ca3596d51b4b22a9b1808ed8f60eedf8d11bc8b81b33d068028fad
MassLogger
5a92e3b84f322216db9123b7a2bff5b1669d981add700ceb6fb690c8c08ca5bc
MassLogger
5e5dc622108b69d77e09abf99287d670c8f0249e59971ee49ef7506adb572ecf
MassLogger
82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
MassLogger
9abdd554c7f65285834b12f1511bef9501c300fd81559a9052fb5d6c0004163b
MassLogger
ba8a06a6f0966f527162f1f1217a08cd67b1b14d23af4d87ffb18385adaf1a98
MassLogger
e334c709a414d7ab88c0ce1d12bdf200a8053193da5c9cb757c79ac9d5f4d3b8
MassLogger
f37a3d07e33750a031b832d3486485b74bc23c84bf64249cb1bd8ce495802621
MassLogger
+ 246 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
spyware stealer family:masslogger persistence
Link:
https://tria.ge/reports/201015-7xj1yt1e8s/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88
MD5 hash:
050c0e4c6e0ec6feff5184b134957b4e
SHA1 hash:
931900202491034982dfc495165e1177efc95e24
Link:
https://www.unpac.me/results/ceb80489-246c-45b3-af8f-355e8114dbc7/
SH256 hash:
9df308619e90caf5cc4fc4e2a1697c82e86a5bf5a3974950a1c7bcdaba1cbd30
MD5 hash:
2e11314d85f5b240ef90bf6071808a40
SHA1 hash:
ec3701494d3aad05452432925948e0ae9263c64c
Link:
https://www.unpac.me/results/ceb80489-246c-45b3-af8f-355e8114dbc7/
SH256 hash:
d8449cf8e9035afa00f188448a6ef6ad35367a7cd56229288d400f71a6577b16
MD5 hash:
65b6dac866ac30d34f9bfd3c3d529397
SHA1 hash:
1d93046c469272224633326d2a0da3cc76e8a7a2
Link:
https://www.unpac.me/results/ceb80489-246c-45b3-af8f-355e8114dbc7/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/ceb80489-246c-45b3-af8f-355e8114dbc7/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
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/5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88

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.

Malspam

MassLogger

Executable exe 5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71369/

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