MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b
SHA3-384 hash: f6a968b50f9050859e65431622e9a174f376ccf2ecad871dbbb32ec2cef6e9d5c0ffe3843cd03e4fc999ff0298a53419
SHA1 hash: f34a522f70b663ab49be89616ad62e864b3199ae
MD5 hash: 62a8be0ead7b60bceb7df308a672baf2
humanhash: failed-carbon-delta-equal
File name:PO1228pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:855'040 bytes
First seen:2020-12-27 07:42:49 UTC
Last seen:2020-12-27 09:36:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6LM9lCGb/WsToT/XGC6tyqWSXbFwtR0+VjJ/:6LM9YGb+HDIWSXRA
Threatray 2'001 similar samples on MalwareBazaar
TLSH 4805121137F88F16D07E47F85C34406067B5B49762A2E21D6FC224D62BBAB834A93F67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: localhost.localdomain
Sending IP: 123.200.19.3
From: sunaree.pon@richmilbon.co.th<sunaree.pon@me.net>
Subject: Re: Sample Order.
Attachment: PO1228pdf.rar (contains "PO1228pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO1228pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-27 07:44:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c508040f-23f5-48f8-be59-fe88d0f45f28

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/109555/
Detection(s):
SecuriteInfo.com.Artemis62A8BE0EAD7B.16360.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/570335
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 334227 Sample: PO1228pdf.exe Startdate: 27/12/2020 Architecture: WINDOWS Score: 100 43 smtpauth.earthlink.net 2->43 53 Found malware configuration 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 8 other signatures 2->59 8 PO1228pdf.exe 6 2->8         started        12 pBIYNM.exe 5 2->12         started        14 pBIYNM.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\hWYaBusmUKG.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmpF913.tmp, XML 8->37 dropped 39 C:\Users\user\AppData\...\PO1228pdf.exe.log, ASCII 8->39 dropped 61 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->65 16 PO1228pdf.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        67 Multi AV Scanner detection for dropped file 12->67 69 Machine Learning detection for dropped file 12->69 71 Injects a PE file into a foreign processes 12->71 23 schtasks.exe 1 12->23         started        25 pBIYNM.exe 12->25         started        signatures6 process7 dnsIp8 41 smtpauth.earthlink.net 207.69.189.205, 49742, 587 WINDSTREAMUS United States 16->41 31 C:\Users\user\AppData\Roaming\...\pBIYNM.exe, PE32 16->31 dropped 33 C:\Users\user\...\pBIYNM.exe:Zone.Identifier, ASCII 16->33 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->45 47 Tries to steal Mail credentials (via file access) 16->47 49 Tries to harvest and steal ftp login credentials 16->49 51 3 other signatures 16->51 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-27 07:43:06 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ex2j67tkswssxuk7wcvydzovhnlvhwatufhnvshmzks3xosm6v5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05edc3fe4fb4bfa22e5e3ce66e66a4f258adc1aebbb26142bafd1a9264feb4b9
AgentTesla
0f59bc5437d0205498a3dd4b45f175f8f9394a5634f3cc3a12c5f8e6f6652153
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2282a50d33177e982a0704829cc50539d08a71329ca5afb9132a29b94011a209
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313c25e0c0344b4de6862f596d63976684b68321e133bb7dc7ffc7b5e311f6a0
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381dd9808ccf85e188bdb572dd8144b181a8ba5160ac5d617146d4250171174c
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4a02298fbd57972ec5702a4969b5f8320beb3de08846d083afda00385dc9d48d
AgentTesla
73884bc59571b3c7199849dcdfb8330b57435a822c320d1913eb990db842fbbf
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74d935398b83fb7e73bef7bd8127a4421bbfe3b41eee9dd914b546132ce742c2
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b420aa90dc3b64b0c598ed76edfe8d6b0e16bbbeb3cf1f7e1623a68a673b7f0c
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ff30ebf52489bc096912d3d89259f8f6e44ec3ced1d124094d10f2fbfaa18590
AgentTesla
+ 1'991 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201227-brg5cpcsp2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b
MD5 hash:
62a8be0ead7b60bceb7df308a672baf2
SHA1 hash:
f34a522f70b663ab49be89616ad62e864b3199ae
Link:
https://www.unpac.me/results/86881e0b-c6e0-489b-ab89-eb54e3d6bd23/
SH256 hash:
c549c41563c399c3014815ac91a84a8d57e92a4eec74e51016ba192cabd65c4c
MD5 hash:
fea4d34c757fec618a213234540eea50
SHA1 hash:
aea4e8d31e4bddadf827199c4946ba1db71fb426
Link:
https://www.unpac.me/results/86881e0b-c6e0-489b-ab89-eb54e3d6bd23/
SH256 hash:
55b6cf540beb91d9aaf9fbfda340e0a7de7c241854a71a82aa521818ae88e3cd
MD5 hash:
7685aa00611a50a567dc0053e080a4f3
SHA1 hash:
b0465154e34835e0c68548a46b5aef51d46c9e9e
Link:
https://www.unpac.me/results/86881e0b-c6e0-489b-ab89-eb54e3d6bd23/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/86881e0b-c6e0-489b-ab89-eb54e3d6bd23/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b

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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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

rar 39428bea5cbcd85caa9c709634192b4dbe4270b3b55f5698b4af0176715dbeb1

AgentTesla

Executable exe 25f49f7e6a95a52bd15fb0ab81e5d53b5753d813a14edac8eccaa5bbba4cf57b

(this sample)

  
Dropped by
MD5 2e63d41a6c3f6bd813113db33cc36682
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 39428bea5cbcd85caa9c709634192b4dbe4270b3b55f5698b4af0176715dbeb1
Cape
Cape
https://www.capesandbox.com/analysis/109555/

Comments