MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd. 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


a310Logger


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd
SHA3-384 hash: 47c9f5b56d2108caf6f47d0aa2161424708bf8872007853566a0b2ac16d5cfcedc54d7cf862bf71a3a34e7cd32d9298e
SHA1 hash: 5bc7a3c740295e6e0a0c2455be73c5c6669a8171
MD5 hash: 2a52adef8906a92fa4b4feb96c1b8c26
humanhash: louisiana-september-victor-july
File name:New_01103511078952.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:724'976 bytes
First seen:2021-08-06 05:15:13 UTC
Last seen:2021-08-06 06:18:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:aPtYLDXEk6PT0/ZxSnw7NGUNIXIo6RPuxR51ee0PRNuU1:AtYLDUk6Pwkw5dkIo6RjzPv1
TLSH T1F2F42341FAACB652C6E9ADBFC7C22B354C726C211F83852CACD59D91B8B77C59240707
dhash icon 888cba3c8c8aa088 (2 x a310Logger)
Reporter abuse_ch
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New_01103511078952.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-06 05:23:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/08d5ea07-c0e8-4da0-b34c-48e86b70e1d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/176868/
Detection(s):
SecuriteInfo.com.Trojan0057df2d1.19712.29516.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Launching the default Windows debugger (dwwin.exe)
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a921e39-ef60-4eb0-b477-2ef964a5d4b7
Result
Threat name:
StormKitty a310Logger
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828053
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected unpacking (creates a PE file in dynamic memory)
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
Performs DNS queries to domains with low reputation
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected StormKitty Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460480 Sample: New_01103511078952.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Yara detected a310Logger 2->58 60 Yara detected StormKitty Stealer 2->60 62 3 other signatures 2->62 8 New_01103511078952.exe 8 2->8         started        process3 file4 36 C:\Users\user\AppData\Roaming\...\paint.exe, PE32 8->36 dropped 38 C:\Users\user\...38ew_01103511078952.exe, PE32 8->38 dropped 40 C:\Users\user\...\paint.exe:Zone.Identifier, ASCII 8->40 dropped 42 2 other malicious files 8->42 dropped 74 Creates an undocumented autostart registry key 8->74 76 Writes to foreign memory regions 8->76 78 Injects a PE file into a foreign processes 8->78 12 New_01103511078952.exe 1 8->12         started        signatures5 process6 dnsIp7 54 restd.xyz 68.65.123.120, 49746, 587 NAMECHEAP-NETUS United States 12->54 82 Detected unpacking (creates a PE file in dynamic memory) 12->82 84 Performs DNS queries to domains with low reputation 12->84 86 Machine Learning detection for dropped file 12->86 88 5 other signatures 12->88 16 AppLaunch.exe 15 5 12->16         started        21 AppLaunch.exe 4 12->21         started        23 AppLaunch.exe 1 12->23         started        25 AppLaunch.exe 12->25         started        signatures8 process9 dnsIp10 44 icanhazip.com 104.18.7.156, 49740, 80 CLOUDFLARENETUS United States 16->44 46 192.168.2.1 unknown unknown 16->46 48 163.190.5.0.in-addr.arpa 16->48 32 C:\Users\user\AppData\...\vEltGNQi.exe, PE32 16->32 dropped 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->64 66 May check the online IP address of the machine 16->66 68 Tries to steal Instant Messenger accounts or passwords 16->68 27 vEltGNQi.exe 16->27         started        50 104.18.6.156, 49742, 80 CLOUDFLARENETUS United States 21->50 52 163.190.5.0.in-addr.arpa 21->52 34 C:\Users\user\AppData\...34RztLuOL.exe, PE32 21->34 dropped 70 Tries to steal Mail credentials (via file access) 21->70 72 Tries to harvest and steal browser information (history, passwords, etc) 21->72 30 NRztLuOL.exe 21->30         started        file11 signatures12 process13 signatures14 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 04:09:04 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfaowvx4xtylt2przi2ltythdp47asko5uvqajkmzeldpazxyc6q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210806-dznj4447la/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
3283ed1f28107926b33eb65f49285e2f2c5eb777d289928aafd46295e73ce767
MD5 hash:
e4d882a1c42d761863beb8ac94e904b9
SHA1 hash:
4f00d6bd7a8c157134b4beea8c0765dc188169a6
Link:
https://www.unpac.me/results/1ed119be-2fde-421d-87e2-cfa83c5bcd6d/
SH256 hash:
dad976aa6eeaf097e079f9c8264a6202e3f8fbcba0afcce9ce8c22d811544009
MD5 hash:
f3148a12d2f94678b773d089b27c8f5f
SHA1 hash:
edeaae6a014e022a9fb13740b1b8fe66970ffb18
Link:
https://www.unpac.me/results/1ed119be-2fde-421d-87e2-cfa83c5bcd6d/
SH256 hash:
34446c1cf2853b1afc1030244c150e91aa3503ba33f99ffbb9602a75ef3eddd6
MD5 hash:
50b53c54b689fe65b213f57efd83aa66
SHA1 hash:
e049689f6b053c2f90028ab935b0f70df8ee39cd
Link:
https://www.unpac.me/results/1ed119be-2fde-421d-87e2-cfa83c5bcd6d/
SH256 hash:
8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd
MD5 hash:
2a52adef8906a92fa4b4feb96c1b8c26
SHA1 hash:
5bc7a3c740295e6e0a0c2455be73c5c6669a8171
Link:
https://www.unpac.me/results/1ed119be-2fde-421d-87e2-cfa83c5bcd6d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd

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_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

a310Logger

Executable exe 8940eb56fcbcf0b9e9f1ca34b9e2671bf9f0494eed2b00254cc916378337c0bd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176868/

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