MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47
SHA3-384 hash: 2373825a82ae739e499730e14ddde472ccd93830538ee0bcf7af758a32c6b5ce4387c1e65ae8f842bfdcd0b09c25dc77
SHA1 hash: 31a2fd8461f5ea1551d5945b182dcfc660629a96
MD5 hash: 7f86cf4be708f18d8d51c2c7c7225ec0
humanhash: comet-double-dakota-butter
File name:YTLFsQdK4Hb0Qse.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'142'272 bytes
First seen:2020-10-18 06:33:58 UTC
Last seen:2020-10-19 01:21:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:je8L+P6MgOPvzv2OJj2XqNL3En3iYi0Xj0O:aZ6YPvzvRtZNQZY
Threatray 630 similar samples on MalwareBazaar
TLSH 3F35E69C365076DFC85BC872DAA81C64EBA07C7B831BC203905336AD9A6D997DF144F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: euroasiachem.com
Sending IP: 83.149.106.1
From: RYVAN UZMA <uzma.euroasia@euroasiachem.com>
Subject: BILL OF LADING_# BGI-O-10706858 and BGI-O-10709887
Attachment: BL_ BGI-O-10706858 and BGI-O-10709887.PDF.img (contains "YTLFsQdK4Hb0Qse.exe")

Intelligence

File Origin
# of uploads :
3
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72623/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.424.1586.24182.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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494578
Signature
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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)
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 signatures2 2 Behavior Graph ID: 299739 Sample: YTLFsQdK4Hb0Qse.exe Startdate: 18/10/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 8 other signatures 2->39 7 YTLFsQdK4Hb0Qse.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\okvgshcBLHCVID.exe, PE32 7->19 dropped 21 C:\...\okvgshcBLHCVID.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp29A6.tmp, XML 7->23 dropped 25 C:\Users\user\...\YTLFsQdK4Hb0Qse.exe.log, ASCII 7->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 11 YTLFsQdK4Hb0Qse.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.thanhphet.asia 192.185.113.157, 49743, 587 UNIFIEDLAYER-AS-1US United States 11->27 29 elb097307-934924932.us-east-1.elb.amazonaws.com 50.17.193.91, 443, 49742 AMAZON-AESUS United States 11->29 31 2 other IPs or domains 11->31 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-10-18 03:47:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4ul6fwsrzdd6ae7ctip3picftu67vegmzv6bftglk4evnp635dq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
264ad4ce9b883fe3ff074ec43f796c1a496da7647bad4bd70c3c905b2dc22711
AgentTesla
3d281e94d3e3d6dc20818716a5b45e09803a5e8cace71615d950d086b563cc40
AgentTesla
4edd4c06c8b7cca23fce60e854323b80835e64c805daef22994f2d3d743dd83b
AgentTesla
5017799e48545886ac896d038e3e9706fa65fb8a8644be0879279fe608dbdf66
AgentTesla
5967386e3a83cb9e0066223388892aade38751662b856048184c262239411aae
AgentTesla
6f0c4fde6a68ef453982bb4958cb5d571cf45179b2bc623fa4cc9a8f69f85823
AgentTesla
764c115297d49fb85541c3cc22d8434745ed160094221ef22bfc513398d2ace6
AgentTesla
903ec47443d43603328e58ddd1185ff9a60472e61cb039ad3e5b298a841ff6f3
AgentTesla
db539ae936d63a0f8340157cd6af07c6f3fd14b354799db61967679095d78576
AgentTesla
ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb
AgentTesla
+ 620 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/201018-8l1wqv5zms/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
79e04d9f84d6ea15ae5a495b330dca313775d0c1d53798c264c8ebaa120ee172
MD5 hash:
ac82e225f0aca9e1815f1b7d61d05da9
SHA1 hash:
08850dff263947f27d77bc19ac93139a1a0bdb3f
Link:
https://www.unpac.me/results/f2ede67a-bb0f-44d5-9831-0ca7f745ab2a/
SH256 hash:
44d44f3c7fcae8bae5f9af568003c04dbae19bc36a817f7b076bf9bcbd58cbd7
MD5 hash:
d73ea2063fe3f3da0efdc89e23484e68
SHA1 hash:
3e638e2b1a7fa07c9791385b7be341f074ada9af
Link:
https://www.unpac.me/results/f2ede67a-bb0f-44d5-9831-0ca7f745ab2a/
SH256 hash:
a33845722c80e493053654f007d4437ce2556929b0133edfc1fde2b84925c824
MD5 hash:
f9da8d94f8bd6c9eb3d9c169c95446f3
SHA1 hash:
bb1e56131dbe635c2f4ca04af9934c0ed7a05d8b
Link:
https://www.unpac.me/results/f2ede67a-bb0f-44d5-9831-0ca7f745ab2a/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/f2ede67a-bb0f-44d5-9831-0ca7f745ab2a/
SH256 hash:
8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47
MD5 hash:
7f86cf4be708f18d8d51c2c7c7225ec0
SHA1 hash:
31a2fd8461f5ea1551d5945b182dcfc660629a96
Link:
https://www.unpac.me/results/f2ede67a-bb0f-44d5-9831-0ca7f745ab2a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Password Stealer
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47

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

img d055d5b0033f3842863f8461828717ad52cf2cf402a6fd540752cf7b88205f33

AgentTesla

Executable exe 8f28bf16d28e463f009f14d0fdbd022ce9efd486666be096665ab84ab5fedf47

(this sample)

  
Dropped by
MD5 88a89563787acdb81c05ff78cf1db699
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/72623/
  
Dropped by
SHA256 d055d5b0033f3842863f8461828717ad52cf2cf402a6fd540752cf7b88205f33

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