MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9
SHA3-384 hash: d5b019e8ce2c591d4df689828b8e7fddf500f03c923f8779d3fcfda416244cff771a9b5ae4f8e8b26d8231d08b4a6389
SHA1 hash: 220daf43fba7876bce45fbe0e47a03359b15db43
MD5 hash: ff9615f9cbf604281abf242763417207
humanhash: mountain-double-montana-comet
File name:PO_DEA83657-ARF-(QR - 0621).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'216'000 bytes
First seen:2021-08-20 15:20:43 UTC
Last seen:2021-08-20 16:12:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:n+gg2Z8kIfd9GvgrQIkZph3Fl8CZsGUyg:+ggU8kI8ckDl8iWf
Threatray 8'687 similar samples on MalwareBazaar
TLSH T1B945493D19B91637C4B9C375EBE58423B148985FB500EE6A6CDE03A7030BA9735C762E
dhash icon d0a4b4c2cac0e4f4 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_DEA83657-ARF-(QR - 0621).exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 15:23:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c0316fa3-4af3-40e6-a521-296e2ffff240

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/180992/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.27478.4563.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf40e2b7-5200-4ee6-b150-836e6e5d9810
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836517
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468947 Sample: PO_DEA83657-ARF-(QR - 0621).exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 12 other signatures 2->47 7 PO_DEA83657-ARF-(QR - 0621).exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\Roaming\hcebomG.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp5B4C.tmp, XML 7->31 dropped 33 C:\...\PO_DEA83657-ARF-(QR - 0621).exe.log, ASCII 7->33 dropped 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 11 PO_DEA83657-ARF-(QR - 0621).exe 7->11         started        15 powershell.exe 22 7->15         started        17 powershell.exe 25 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 35 karanex.com 185.8.128.141, 49739, 49740, 587 ALASTYRTR Turkey 11->35 37 mail.karanex.com 11->37 39 192.168.2.1 unknown unknown 11->39 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Moves itself to temp directory 11->55 57 Tries to steal Mail credentials (via file access) 11->57 59 3 other signatures 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 19->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 05:37:46 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=666gfmstttvswe3ezwc66zkeyqddgyx2rbj4slisxssbxquqwhmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd
AgentTesla
63aa4b94125d5fd5621d354452e7f547b5937d099f3b92e1fc111f06136611fe
AgentTesla
7f76b7a992043d4a9225ffb70ff2194b472df9f65fd9949d92ccc17a020dd6b6
AgentTesla
a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024
AgentTesla
e4d2da009a40f7b1fbd7c9a488d521b5e035ebcd26ada683ea837aaf4b51a0d7
AgentTesla
e675bbe5ec05274793503d47490dd35b0dafa84680a37452c40095e5c772320a
AgentTesla
eae70c96f0c423f62c8cc986cec7c1ff56ccd1eeaa3f89d66d339e669c4a438f
AgentTesla
+ 8'677 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210820-pm6v8nwwrx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/5e0de80b-740b-43b2-8c4e-fd40ca196ebc/
SH256 hash:
f9ec4168518229c5cd324c77ac9519c8eaee755330bf82e54cb6934f4a1fc3b6
MD5 hash:
a94288c5dedd81ec956601b2c45bc6fa
SHA1 hash:
70088e1a54e2d4d02da46446f0427322271517da
Link:
https://www.unpac.me/results/5e0de80b-740b-43b2-8c4e-fd40ca196ebc/
SH256 hash:
a7f791f715ed49e3cf1a0f2c8f1bcbda07d71f0520c434e021fb793912d6ec48
MD5 hash:
69b9e286908306cb0330019f1553853f
SHA1 hash:
2ea3b34a3527769b91b16a1e8f0fa91c9b39fdc1
Link:
https://www.unpac.me/results/5e0de80b-740b-43b2-8c4e-fd40ca196ebc/
SH256 hash:
f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9
MD5 hash:
ff9615f9cbf604281abf242763417207
SHA1 hash:
220daf43fba7876bce45fbe0e47a03359b15db43
Link:
https://www.unpac.me/results/5e0de80b-740b-43b2-8c4e-fd40ca196ebc/
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/f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe f7bc62b2539ceb2b1364cd85ef6544c4063362fa8853c92d12bca41bc290b1d9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180992/

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