MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
SHA3-384 hash: 73304c2074e80bde0b0bbd28223c993b7352009b0d81a1aac4e957ea33547228d60201afc5b0ca31353a23ad2a6c5514
SHA1 hash: f4e7ee312ee8a3f96c3cbbcd25b5e4e0dccfece1
MD5 hash: 122b6c6842b513618eeb4ee4397267a2
humanhash: mississippi-salami-lamp-fruit
File name:vbc(1).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'097'728 bytes
First seen:2020-12-07 07:47:56 UTC
Last seen:2020-12-07 09:42:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'651 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:m86O64h+conUlW4oD1oQz8JI38WV5LiEUHm7aST0sDdM:b6O6PrZDKO7upm7vT0Ad
Threatray 1'702 similar samples on MalwareBazaar
TLSH 0D35AD399E945039F4726F7C99A02595665E2F937F1BE89D2CF131EA0B37AC289C013C
Reporter JAMESWT_WT
Tags:AgentTesla VelvetSweatshop

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc(1).exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 08:01:34 UTC
Tags:
rat agenttesla
Link:
https://app.any.run/tasks/2c8d332e-9c92-4df4-9182-1f698620c79b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106992/
Detection(s):
SecuriteInfo.com.Gen.NN.ZemsilF.34670.dn0@aSb6s8e.9157.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/556667
Signature
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 327431 Sample: vbc(1).exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 34 g.msn.com 2->34 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 5 other signatures 2->70 7 vbc(1).exe 3 2->7         started        11 kprUEGC.exe 3 2->11         started        13 kprUEGC.exe 2 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\vbc(1).exe.log, ASCII 7->32 dropped 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->74 76 Injects a PE file into a foreign processes 7->76 15 vbc(1).exe 17 5 7->15         started        78 Multi AV Scanner detection for dropped file 11->78 20 kprUEGC.exe 14 2 11->20         started        22 kprUEGC.exe 2 13->22         started        24 kprUEGC.exe 13->24         started        signatures6 process7 dnsIp8 36 smtp.kutrsan.com 15->36 38 us2.smtp.mailhostbox.com 208.91.199.224, 49745, 49747, 49749 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 44 3 other IPs or domains 15->44 26 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->26 dropped 28 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->28 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 Modifies the hosts file 15->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 40 smtp.kutrsan.com 20->40 46 3 other IPs or domains 20->46 42 smtp.kutrsan.com 22->42 48 3 other IPs or domains 22->48 30 C:\Windows\System32\drivers\etc\hosts, ASCII 22->30 dropped 58 Tries to harvest and steal ftp login credentials 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 62 Installs a global keyboard hook 22->62 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 07:48:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzb2ts2xqu2fiprzybeht7xnliozv47vrk2mmdzqno7nzmv6crya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c316b6e9b1bb80efe9a27b513c7c091cd047d5bf437b88db13f8e45a40e89d6
AgentTesla
1d35fbe1961f63fcc426c5a332d5dfc93dd051ecdfd17ea47790f80f22171ce1
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2aee5eb975d16feb1036dbf8298c4b6dc6869de8b44065caf8101a1f40b3b6ea
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49c6670d4f39dc6dd945ae5bc5a1ab86b8af9e6e20efcf7d46886765fbe32a7d
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53199d2d6d3d21f6a1549eb84faa73b98e68c3c0c4ca31889852a10277125e3a
AgentTesla
72ad22e7df09e217184e472645352c8bfe28a44afe5fda4659f4082268d33da3
AgentTesla
916a77f4d125bcced72fc073a62d5dea68cedef38cc97817625ae2dc0144f6fa
AgentTesla
a915c3b5063684919714518b71d0029802c7b6ff100867abe5ce7d935d8ea27f
AgentTesla
bb4fa1ef7cc21d3a4c66b243f542b24473441837a5aa5c453d9d89080b20acfe
AgentTesla
e6cf479a5e1cce24253d7e37c22c77ee68de99d64b4004c3b9d68d78f0067989
AgentTesla
+ 1'692 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201207-g7mazl6b6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
MD5 hash:
122b6c6842b513618eeb4ee4397267a2
SHA1 hash:
f4e7ee312ee8a3f96c3cbbcd25b5e4e0dccfece1
Link:
https://www.unpac.me/results/8e9ed562-b36c-47cb-b02c-14f81c5f21f3/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/8e9ed562-b36c-47cb-b02c-14f81c5f21f3/
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/1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe 1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/895714/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/106992/

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