MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a
SHA3-384 hash: 3bae9dc354812774248e518d2c4f8e0387e869b7205477c3c2ccd70a52dd073fb8f9618ead9c5c9fb4ba6772658b1acb
SHA1 hash: 39919825256e0d59958c51c22a99f7217498e42c
MD5 hash: 541f21ea9b009eb8305113b63a4f65f0
humanhash: oven-autumn-fanta-nuts
File name:sUYjLDLnEi6Pv5y.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:719'360 bytes
First seen:2021-01-29 14:37:12 UTC
Last seen:2021-01-29 16:58:49 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 6144:duUEdmtuBz5bAdhPZtMS+8GcRzXQVx2vSIC5tZaYJqtzX2:duUqE0dahPZyh8GctXoxjIC5H+tz
Threatray 2'334 similar samples on MalwareBazaar
TLSH 82E4F165F859A071F4887B750DB6ABF4191F2E225C22EB2F364CB3EC18362C584E3E55
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sUYjLDLnEi6Pv5y.exe
Verdict:
Malicious activity
Analysis date:
2021-01-29 14:39:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7af72ade-c4cc-43bf-a5be-bce9c52fa862

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/114738/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/594007
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
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
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 signatures2 2 Behavior Graph ID: 346044 Sample: sUYjLDLnEi6Pv5y.exe Startdate: 29/01/2021 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 7 other signatures 2->55 6 sUYjLDLnEi6Pv5y.exe 3 2->6         started        10 UTCCf.exe 3 2->10         started        12 UTCCf.exe 2 2->12         started        process3 file4 21 C:\Users\user\...\sUYjLDLnEi6Pv5y.exe.log, ASCII 6->21 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->59 61 Injects a PE file into a foreign processes 6->61 14 sUYjLDLnEi6Pv5y.exe 2 5 6->14         started        63 Multi AV Scanner detection for dropped file 10->63 19 UTCCf.exe 2 10->19         started        signatures5 process6 dnsIp7 27 smtp.yatchbabara.com 14->27 29 us2.smtp.mailhostbox.com 208.91.199.223, 49735, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 23 C:\Users\user\AppData\Roaming\...\UTCCf.exe, PE32 14->23 dropped 25 C:\Users\user\...\UTCCf.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 31 208.91.198.143, 49746, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->31 33 smtp.yatchbabara.com 19->33 35 192.168.2.1 unknown unknown 19->35 43 Tries to harvest and steal ftp login credentials 19->43 45 Tries to harvest and steal browser information (history, passwords, etc) 19->45 47 Installs a global keyboard hook 19->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-29 02:16:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7fhzoeb2fkbjmbcu7cwrp5pqynaxzoeat5iadgwkso4lam4nufa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b277825df78139d46171f324c582866a81252fdaec3c8912fee41fb6f6172e2
AgentTesla
139e0682e4985353d6d73c2c0c8a0982a06a6f8758edb5b7f949282b5cbbd63a
AgentTesla
6eb0affd63b0d85be603948881fc6b643103e96e3f68acf1350969e8d09cc7e1
AgentTesla
84040132d504dbc295119c29d7a8262392bf09caca8ede8236a26e2cab0ace6e
AgentTesla
852b82a6008df4460984881ca504c037e53f76ba11d4503f04312ed8f88fae12
AgentTesla
93cca2ba4ea093c17f9ec9f3997efa43be301489f8f3a99465e6017dd74aa7a0
AgentTesla
a12f642139a7cfe0891e40b83400cae049a06c959f742700d47f096ccaa32736
AgentTesla
abd3a1a0ccfcc5e723e8b022e2dc025c617b94da33136673be439819a5160d6e
AgentTesla
ca7beb7680e56c787ab0e04634f813dbeda9ce2ac1469b86ac50ba97a797180b
AgentTesla
deb5aeda39ad04b441ddbca22caa3a35e572483cc56e6a095b951342e716d6f6
AgentTesla
+ 2'324 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210129-ctwqe7qrme/
Behaviour
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
Link:
https://www.unpac.me/results/ab9f2420-c821-48f0-8353-4f8eb75c6a61/
SH256 hash:
76cc02ac9e510b5c1a254136beffd6752b8bd8699d8679303c6103fb49f0de95
MD5 hash:
186202de8c9416b17a756e4aab1490fd
SHA1 hash:
0ff8f58c9a562102aca23ab7d3e5ce027198641a
Link:
https://www.unpac.me/results/ab9f2420-c821-48f0-8353-4f8eb75c6a61/
SH256 hash:
db5add6824467858700a6a85deb70410983c4ea3dd1ee9273e21d6ed758f189e
MD5 hash:
955b702cda01605a3ffd3f62f8d55d41
SHA1 hash:
0016c4c0dab14deb8ed1b93e78a8f7c6f0f3a3c1
Link:
https://www.unpac.me/results/ab9f2420-c821-48f0-8353-4f8eb75c6a61/
SH256 hash:
b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a
MD5 hash:
541f21ea9b009eb8305113b63a4f65f0
SHA1 hash:
39919825256e0d59958c51c22a99f7217498e42c
Link:
https://www.unpac.me/results/ab9f2420-c821-48f0-8353-4f8eb75c6a61/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b7ca7cb881d15414b022a7c568bfaf861a0be5c404fa800cd6549dc5819c6d0a

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/114738/

Comments