MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d04a849e7e6fdf8b031ffe8db276f8dd315cd38f622ae9dc9fbf2168a9183f51. 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: d04a849e7e6fdf8b031ffe8db276f8dd315cd38f622ae9dc9fbf2168a9183f51
SHA3-384 hash: 076f72b14d90689a35db2ebbeb347fe47ac4384f2f9cbf9afab533508b64a9e200a3a4ae354e2c32228f92898604d130
SHA1 hash: bb9e03f56a5cb45ab68d4e388b8aadf74d103e03
MD5 hash: 63f48d1bf7d4e169b61ce613c86cfa37
humanhash: sierra-missouri-four-queen
File name:PDF#Purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:542'208 bytes
First seen:2021-05-19 13:27:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'646 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:x9WpDzxGt5kHnDjFuT248YOa4/av7ynOo8tQaDJLqKzN:x9gke3sa4DzRynOp1DJzN
Threatray 5'032 similar samples on MalwareBazaar
TLSH 17B4013523581F4FD36A84BD80604144D3F08A5A2653F3DEBEE46AF95DC2B70BB22A57
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PDF#Purchase order.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-19 13:31:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/45207d78-1c9b-4b74-8eba-14516a94b66f

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/158622/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/785001
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417399 Sample: PDF#Purchase order.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 10 other signatures 2->49 6 PDF#Purchase order.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2 2->12         started        process3 file4 23 C:\Users\user\...\PDF#Purchase order.exe.log, ASCII 6->23 dropped 51 Injects a PE file into a foreign processes 6->51 14 PDF#Purchase order.exe 2 5 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->55 57 Machine Learning detection for dropped file 10->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->59 19 kprUEGC.exe 2 10->19         started        21 kprUEGC.exe 2 12->21         started        signatures5 process6 dnsIp7 31 smtp.qdsaes.com 14->31 33 us2.smtp.mailhostbox.com 208.91.199.223, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 25 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->25 dropped 27 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 4 other signatures 14->41 29 C:\Windows\System32\drivers\etc\hosts, ASCII 21->29 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d04a849e7e6fdf8b031ffe8db276f8dd315cd38f622ae9dc9fbf2168a9183f51/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-19 13:30:58 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2bfijht6n7pyway772g3e5xy3uyvzu4pmivotxe7x4qwrkiyh5iq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b0497a471a34be0ac2c4719719527d6a73b4a0ad0d7b8f43d9c9af5119ce9cd
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43a41d6ef8788ee60b4fcf90d5741dae5dcf0a5d58f1b1f38bdf59298d2840bc
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a5b4a1aa53134e93a392b7b90cc7c5d4a939d4f61bdf330de08d49fa1b4356ed
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abe6a77fefdede7de287d151689f87a3f59eb496d94351f4085b3bc1a6b755c2
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b73af6301fd4b0efff09e43dac97b8abf2e3d8d8eec3bee435002e320eaedf5f
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b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7
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d2adec41dcdb2142c210a4025572e29e1c011d079fa04504b35ab55c03376a16
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d3f8e4451246f36e47a5f5d2624e5b6b1ec08b5fc2fc4df6080b40f5e13edec8
AgentTesla
e07ba21e5d098a88ce3e45d9ed869b30726c31bd13b6a88205a80265a45f605c
AgentTesla
efc33e49a1f2bb8a2caf20a3609c44170c3739c90c1e2f4f236961e13279a3b3
AgentTesla
+ 5'022 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/210519-nlx18sacrj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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:hancitor_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe d04a849e7e6fdf8b031ffe8db276f8dd315cd38f622ae9dc9fbf2168a9183f51

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/158622/

Comments