MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d. 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


AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d
SHA3-384 hash: 142817c3369e05b248a5943b0dc48488f9359177b3685dc21e238c5d64fea2ab6c7454c74330a4ce8d184858241740c5
SHA1 hash: ac5526ba0c796ccb6130ef99abe5f061d46862c0
MD5 hash: c335a2d17cb911c495d09b6205667ae4
humanhash: asparagus-chicken-low-magazine
File name:swift copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:894'976 bytes
First seen:2021-11-29 06:20:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8x6QY52ZZNAd1s54GErFs0ITrpLr+UeY8uupHgjLfJZSr4sX:C/Y52Fn+UX8u1jLfXe5
Threatray 13'066 similar samples on MalwareBazaar
TLSH T18215AF78EE5BB39EF8EEC0F8C860185946DC6DE3B2DE0406B002FC5766E844D9A545E7
File icon (PE):PE icon
dhash icon f0c4989d86b6c4f0 (3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift copy.exe
Verdict:
Malicious activity
Analysis date:
2021-11-29 06:21:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2f28d178-d3f8-4633-b3f3-79be25dd3fdc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a47150bbfd2af97cb93c5b/reports/ce74e2c1-b6ff-4373-be61-a6f4d5116878/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7e0228bf-0679-4cd7-b979-cb4b6c262f97
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/897700
Signature
.NET source code contains very large array initializations
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicius Add Task From User AppData Temp
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 530178 Sample: swift copy.exe Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 11 other signatures 2->54 7 swift copy.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\TKGEGAjeImbHC.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp26F1.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\swift copy.exe.log, ASCII 7->36 dropped 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 smtp.vivaldi.net 31.209.137.12, 49808, 587 HRINGDU-ASIS Iceland 15->38 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 5 other signatures 15->46 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-29 03:09:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gp3xeihmpwbi455xgxheycrhpscbvcmwzi7lnpoml2kfsrztlegq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d3cb97dc52cc9b730a6d0a17cd2d4d7af57feefec9f8865862c291369c31216
AgentTesla
28fc5135ea1f14ea296184a3e518908ae77d88f100efa162bf30c046790197a3
AgentTesla
55ba89f1541ecd603d1fa160fc5c837419a180f97c43242191054c7b01f8ebc4
AgentTesla
b1db9b45aa4903a5d9086d759765f4cb76a23e601c7bfd8133d440cace108307
AgentTesla
c9b11315a65d68d5577ca5b762e4d5d16f660b1ffde12cd5192c9717747a63ca
AgentTesla
d55058cb53b44c6372ef7fb902fcdb305ab3778229f12a1e62b0c8d05bcc9791
AgentTesla
ec694537528f39e61c4a295e99932641ac2660f8580911790926294c4a190afc
AgentTesla
faa5023447bfa3319ef4bade70a720dc8c101eec8a86bf499e8677a20c2fd475
AgentTesla
+ 13'056 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211129-g4ce3aefc9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4aa168b88ec996b356ce680562761d0a9bc1ecb0b1472c5f236bf25705434b15
MD5 hash:
020a70be7411c88920735818eb7e166b
SHA1 hash:
5f05d721628ba3a18f9eca4aad3ff322433f7215
Link:
https://www.unpac.me/results/e5a58e71-ee3b-43ef-88e6-f8fb9579cfcb/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/e5a58e71-ee3b-43ef-88e6-f8fb9579cfcb/
SH256 hash:
beed22c1e27d13c5797cf67d2cdbf105c2430c7671731fed85f970575799c277
MD5 hash:
dfabcc0c17990a328fcc9825e1ef9a07
SHA1 hash:
3336fe398c77736b93061e8737c90233bd2377a5
Link:
https://www.unpac.me/results/e5a58e71-ee3b-43ef-88e6-f8fb9579cfcb/
SH256 hash:
33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d
MD5 hash:
c335a2d17cb911c495d09b6205667ae4
SHA1 hash:
ac5526ba0c796ccb6130ef99abe5f061d46862c0
Link:
https://www.unpac.me/results/e5a58e71-ee3b-43ef-88e6-f8fb9579cfcb/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/33f77220ec7d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d

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_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

AgentTesla

Executable exe 33f77220ec7d828e77b735ce4c0a277c841a8996ca3eb6bdcc5e94594733590d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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