MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb20fe2ac6e3087afb72d4b3b6e26b4cbafb4005a60c44722f625cda452c0f88. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb20fe2ac6e3087afb72d4b3b6e26b4cbafb4005a60c44722f625cda452c0f88
SHA3-384 hash: 3eb132ca4adaf16203a9c74e0719a8319a97316edd1e1a8148fa9c60a31ed7b18a2eb0381bf7c25624b9888abe5b740e
SHA1 hash: afd9dc73a261cd564d1745157583adbfdfb90d63
MD5 hash: 77822510bd039761aa1d616218689b8c
humanhash: blue-nitrogen-neptune-charlie
File name:TT Swift Copy'.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'172'480 bytes
First seen:2021-04-19 15:08:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:tY5p3e/M8DLlPZaNf6NWviMkCtobAf84QYBa+KHnMaNZ6yK1q:O33F8nlPENf6Uv9YL
Threatray 4'469 similar samples on MalwareBazaar
TLSH 89456C88B540759ECC1BCE328975CC3096217CA5572BD20F60DB3DAB7E7E69BDA140A3
Reporter GovCERT_CH

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT Swift Copy'.exe
Verdict:
Malicious activity
Analysis date:
2021-04-19 15:28:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/01c58899-573d-4847-b99d-e4415b2461c9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.664.27152.17918.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/687154
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 392525 Sample: TT Swift Copy'.exe Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Detected unpacking (changes PE section rights) 2->38 40 7 other signatures 2->40 6 TT Swift Copy'.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2 2->12         started        process3 file4 26 C:\Users\user\...\TT Swift Copy'.exe.log, ASCII 6->26 dropped 42 Injects a PE file into a foreign processes 6->42 14 TT Swift Copy'.exe 2 5 6->14         started        18 TT Swift Copy'.exe 6->18         started        44 Multi AV Scanner detection for dropped file 10->44 46 Detected unpacking (changes PE section rights) 10->46 48 Detected unpacking (overwrites its own PE header) 10->48 50 3 other signatures 10->50 20 kprUEGC.exe 2 10->20         started        22 kprUEGC.exe 10->22         started        24 kprUEGC.exe 2 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 14->30 dropped 32 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->32 dropped 52 Tries to harvest and steal browser information (history, passwords, etc) 14->52 54 Modifies the hosts file 14->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->56 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb20fe2ac6e3087afb72d4b3b6e26b4cbafb4005a60c44722f625cda452c0f88/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmqp4kwg4mehv63s2sz3nytljs5pwqafuygei4rpmjonurjmb6ea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0156cc74dc52bcb6c9e1ea57e4e68825fb45a506e17701895e056a677d413184
AgentTesla
05e5d5a7224902bd3b98c2b0c692eb2c892446a302c10dba36df8a4f45276e9a
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1d489bde326240c639875d1adbf09d0d3614cde9ac3a7561cff8d7fb297ee56c
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451381760beee5124df9d6fe4d2a447dfcb420473800e9004d86159a0396547f
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8c48b2b1ba3a112945a1bd20700ec1295b9a46228aa18369ffa31097786a7991
AgentTesla
a222707d7596b243326b50df4ce981b8c572d22808465d805592f6441ab7f871
AgentTesla
a8a9cb21be93047b223bd90d741d9eabdde0d1272f738f4c64720e5caceafe89
AgentTesla
abec75c995b6bac05ca3aa49002dedb12a4fc7194e93f814f3edbb996d9cfa7a
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ce2c29bbd18352557dd6fb16e294265d66d8d13e6d0586ef8030bbeb28e0cc97
AgentTesla
dbce8fe278a2c14f6e9d1db1d536d087da864d9870ee364dcb4c89322604729e
AgentTesla
+ 4'459 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/210419-ysfz9ep3m6/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bb20fe2ac6e3087afb72d4b3b6e26b4cbafb4005a60c44722f625cda452c0f88

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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.

Malspam

AgentTesla

zip 613b0a2eb9df955c258938a96750998b559fa6264ed15e3dcdd3de7499d4e79d

AgentTesla

Executable exe bb20fe2ac6e3087afb72d4b3b6e26b4cbafb4005a60c44722f625cda452c0f88

(this sample)

  
Dropped by
MD5 b5f5409eaa0b482480d95f6b356e2f84
  
Dropped by
SHA256 613b0a2eb9df955c258938a96750998b559fa6264ed15e3dcdd3de7499d4e79d
  
Delivery method
Distributed via e-mail attachment

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