MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526. 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: ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526
SHA3-384 hash: 074d96913662065cfc7e588628ac4eb41dbcfe434fb8baecfa3b20f73714a3a052dfa2605c76870c35bcb2c6deb4bcc1
SHA1 hash: 7602b83c8693d6cdfcf4957d8b63b84c44bcbe7f
MD5 hash: 1623d0bccf0f6de8a12599e540397e05
humanhash: robin-friend-tennessee-sierra
File name:TT No. 00189330982.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:791'552 bytes
First seen:2020-10-14 00:47:15 UTC
Last seen:2020-10-14 13:20:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'618 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:joI2CVSnUTB/WcLAmUQGcneH7l0DXDkaRl4jXAolYebduh9xOigxjMdyEKPtlnv1:jtVSaB/FE7l0TAjsYJZubxO5r
Threatray 522 similar samples on MalwareBazaar
TLSH 35F4AE9E325075DEC657CD36CAA81C64EA20747B831BD307A01715AC9A0EBA7EF146F3
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
9
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70646/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42621.19445.18708.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/490511
Signature
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
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: 297695 Sample: TT No. 00189330982.exe Startdate: 14/10/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 6 TT No. 00189330982.exe 3 2->6         started        10 WCPCe.exe 3 2->10         started        12 WCPCe.exe 2 2->12         started        process3 file4 27 C:\Users\user\...\TT No. 00189330982.exe.log, ASCII 6->27 dropped 55 Injects a PE file into a foreign processes 6->55 14 TT No. 00189330982.exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->59 61 Machine Learning detection for dropped file 10->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->63 19 WCPCe.exe 2 10->19         started        21 WCPCe.exe 10->21         started        23 WCPCe.exe 2 12->23         started        25 WCPCe.exe 12->25         started        signatures5 process6 dnsIp7 35 smtp.hudsouexports.com 14->35 37 us2.smtp.mailhostbox.com 208.91.199.223, 49770, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->37 29 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 14->29 dropped 31 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 3 other signatures 14->45 33 C:\Windows\System32\drivers\etc\hosts, ASCII 23->33 dropped file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 19:37:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=766euonnld6ieas6zhorvpf2aso4prtkdtfyw4p6efy6mx2bwuta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
264ad4ce9b883fe3ff074ec43f796c1a496da7647bad4bd70c3c905b2dc22711
AgentTesla
33173729b4041cb76f237254201f440babcde775bfa912329d0ebe4b5b8a97e2
AgentTesla
44c8acbbe1fdbcab7397c03bc91d5d3f440ec11f6358974e4bcc27ee28a4b838
AgentTesla
46df88abb8b7f783add8e2688ed3fc2632020fc30f6a87172264a4f434af2524
AgentTesla
493ba8398eed500e3af5e0ae2ea45fa5bfdfbc6371bf67a17ee20c050c117927
AgentTesla
6f0c4fde6a68ef453982bb4958cb5d571cf45179b2bc623fa4cc9a8f69f85823
AgentTesla
757d376a5edc5d260ab3fb209797dbbdf3ce43f6331432174b1398f14e723e20
AgentTesla
aa996e1467f78b4965e61fc6ad87982814a0d1f10260593e63216af6e15a69f4
AgentTesla
bd5f6e5567639e5e1c4619a02ff2db2eb3242cd6e25e50f7b7559202fc7f061c
AgentTesla
e1fa76bb2709f8e0624f8e7f643fa05b69ad35e206f2317defbc683d369da6af
AgentTesla
+ 512 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/201014-hstrc6znw6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/f981b78a-01ad-4f09-b345-542f0a7f8fc3/
SH256 hash:
e2cd982709cb73820ac06c46e2f6f15962137223776b00e8a46ce4bedcd24c42
MD5 hash:
2473822bf21db5876486ceb12575ab72
SHA1 hash:
adc93b0381957a848a434366d61493c88ede3029
Link:
https://www.unpac.me/results/f981b78a-01ad-4f09-b345-542f0a7f8fc3/
SH256 hash:
999892e6fd6600eb8fc457c22f8302dd4556ed25dd9a58483330de5cafbd7e1c
MD5 hash:
59312bd5634da5f7b3d6637c1aef5619
SHA1 hash:
d67cb21fedb93bec1592e11ffb2d8a700e0c4767
Link:
https://www.unpac.me/results/f981b78a-01ad-4f09-b345-542f0a7f8fc3/
SH256 hash:
ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526
MD5 hash:
1623d0bccf0f6de8a12599e540397e05
SHA1 hash:
7602b83c8693d6cdfcf4957d8b63b84c44bcbe7f
Link:
https://www.unpac.me/results/f981b78a-01ad-4f09-b345-542f0a7f8fc3/
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/ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526

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.

Malspam

AgentTesla

zip 857a78bcb05835047a737295703f051353e3b11c0829c96be219a4b6302afd10

AgentTesla

Executable exe ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526

(this sample)

  
Dropped by
MD5 fadd15330c710ae2b651e95b7bae1a34
  
Dropped by
SHA256 857a78bcb05835047a737295703f051353e3b11c0829c96be219a4b6302afd10
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70646/

Comments