MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91
SHA3-384 hash: 19083e1cc27d2d834d8c791d28f61c7f57ba751e68e7ae5c021ec37a7a2b2fb313f110a3393f720213f3e19d48cc6c4b
SHA1 hash: 536de85e0937433f55b9bb6768e30ea480465154
MD5 hash: b94795f34aeaad0998e755f280b44be0
humanhash: blue-skylark-jersey-oklahoma
File name:HL-88352588 DOCAU BC ORIGINAL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'113'088 bytes
First seen:2021-04-16 11:05:39 UTC
Last seen:2021-04-16 19:39:55 UTC
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:wR1cXZcc/Q2d1APGSQ/3+PY8H6NrRRRRRjXtAmABSakVAZhu:WCXZ7B/3+PYQ6hRRRRRjdAmABSakVA
Threatray 4'215 similar samples on MalwareBazaar
TLSH C635018AB74EAB1AC5DC533AD5E493764171CCC9F321F83B28E836BE5EB22CD0540656
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HL-88352588 DOCAU BC ORIGINAL.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-16 11:08:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eed4a5d2-8b87-4219-9c4c-4741c9b09969

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/136048/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.660.8888.6575.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Creating a window
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/680486
Signature
.NET source code contains very large array initializations
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 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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 389197 Sample: HL-88352588 DOCAU BC ORIGINAL.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 6 HL-88352588 DOCAU BC ORIGINAL.exe 3 2->6         started        10 zUbDt.exe 3 2->10         started        12 zUbDt.exe 2 2->12         started        process3 file4 29 C:\...\HL-88352588 DOCAU BC ORIGINAL.exe.log, ASCII 6->29 dropped 53 Injects a PE file into a foreign processes 6->53 14 HL-88352588 DOCAU BC ORIGINAL.exe 2 9 6->14         started        19 HL-88352588 DOCAU BC ORIGINAL.exe 6->19         started        21 HL-88352588 DOCAU BC ORIGINAL.exe 6->21         started        23 HL-88352588 DOCAU BC ORIGINAL.exe 6->23         started        55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->57 25 zUbDt.exe 2 10->25         started        27 zUbDt.exe 2 12->27         started        signatures5 process6 dnsIp7 35 mail.prinutrition.com 192.254.180.165, 49742, 49743, 587 UNIFIEDLAYER-AS-1US United States 14->35 31 C:\Users\user\AppData\Roaming\...\zUbDt.exe, PE32 14->31 dropped 33 C:\Users\user\...\zUbDt.exe:Zone.Identifier, ASCII 14->33 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 Tries to harvest and steal ftp login credentials 14->41 43 3 other signatures 14->43 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2021-04-16 11:06:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfv5dzd36iufn2dvtqb6zi6biz7n4blc2a2odk7uvqmtv6qzvkiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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74b724569a5927bac6986864470763a88854802f63eb19571569da6276d542d2
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80e3d3585a4c54b56fc56c4c565f85b376363da6f07b4e186e92608846a414d4
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b852dbb19b335378582a2ec131f5a362c51a4d8c63bd832cd9afd4c064d449fa
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cd54e4b043619a391ad6cd9fa99e7c22e8d7321d9a98d1fa3b7ea8526cb688ab
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cfaf2a1e319347dce73ecee82c0d0675caf292b21c91f18d1b6dbbb6d584a246
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e70d1958db5ff44e5bbeb627b3baefcc79a153df4eb262cb9aef56c7ed555d75
AgentTesla
+ 4'205 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/210416-v7ff17s4mj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e33b0d0b4b86f0dbb3d1278e68e88a650e5f3350694efb70be313761197b1969
MD5 hash:
471161f6f24e5d26b2db3e0ee18e80b5
SHA1 hash:
ed98f1178a5fe4b86fe0f7e4cd5ebbfba7483a30
Link:
https://www.unpac.me/results/d127a3eb-600b-4377-8270-cf6103602a32/
SH256 hash:
b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91
MD5 hash:
b94795f34aeaad0998e755f280b44be0
SHA1 hash:
536de85e0937433f55b9bb6768e30ea480465154
Link:
https://www.unpac.me/results/d127a3eb-600b-4377-8270-cf6103602a32/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91

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.

Malspam

AgentTesla

zip 3c1df82258219aa9eed434df4392e9e658fe2355f5ea9fd96d431ff2006ac2a4

AgentTesla

Executable exe b16bd1e47bf22856e8759c03eca3c1467ede0562d034e1abf4ac193afa19aa91

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3c1df82258219aa9eed434df4392e9e658fe2355f5ea9fd96d431ff2006ac2a4
Cape
Cape
https://www.capesandbox.com/analysis/136048/

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