MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20c99a2cd7d9605ad018a2279d48dfbedb0d8e07c473f30e817f998c7a25fe44. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20c99a2cd7d9605ad018a2279d48dfbedb0d8e07c473f30e817f998c7a25fe44
SHA3-384 hash: a1e3b66c84ec7f8d65934adf3d4a71a041f30f8cf32ecacf6ad092c4f3f4c6feb2d473e23747db28ee5ab5629b32564d
SHA1 hash: c3c7e7caaae630ab6d67b0e60052c56badbca12f
MD5 hash: ae4242a15cbebce139ab75eb9e93d3bb
humanhash: johnny-wolfram-beryllium-autumn
File name:payslip pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:563'712 bytes
First seen:2021-08-04 21:36:15 UTC
Last seen:2021-08-04 23:12:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:SpGs6Kkb52gxDaZTu/5Xfh1+8CXoveK12bgBurxuvICufFnFcpTFWFKh:FUgsZ6/BZ1+f4pQbgQaNk6FSc
TLSH T1AEC48E6F6008622ACD452EB14441E7641DC9FD838AC2D22B73FA3BA5DBA6DF0D574C2D
dhash icon f0cc8a2a32b2ccf0 (1 x AgentTesla, 1 x SnakeKeylogger)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payslip pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 21:39:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0da63d18-a274-41dc-9180-126db6210727

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/176467/
Detection(s):
SecuriteInfo.com.Variant.Bulz.510550.3829.8516.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9b7e8ba-815c-473f-b289-afd0a85f25e5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827939
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460368 Sample: payslip pdf.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 9 other signatures 2->35 8 payslip pdf.exe 3 9 2->8         started        process3 file4 21 C:\Users\user\AppData\Roaming\...\ydukuu.exe, PE32 8->21 dropped 23 C:\Users\user\AppData\...\payslip pdf.exe, PE32 8->23 dropped 25 C:\Users\user\...\ydukuu.exe:Zone.Identifier, ASCII 8->25 dropped 27 3 other malicious files 8->27 dropped 37 Creates an undocumented autostart registry key 8->37 12 wscript.exe 1 8->12         started        15 payslip pdf.exe 2 8->15         started        signatures5 process6 signatures7 39 Wscript starts Powershell (via cmd or directly) 12->39 17 powershell.exe 26 12->17         started        process8 process9 19 conhost.exe 17->19         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/20c99a2cd7d9605ad018a2279d48dfbedb0d8e07c473f30e817f998c7a25fe44/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 18:54:10 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=edezulgx3fqfvuayuitz2sg7x3nq3dqhyrz7gdubp6myy6rf7zca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210804-tpawkfhb86/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
151792ef6a78492d5fae369c7a5cf4222b5a247f7adff66f40ed7a6bccc0c5f5
MD5 hash:
2569049b63a53ababd446237b5505792
SHA1 hash:
5c2e81e88997b18acc01282690f239144598de7b
Link:
https://www.unpac.me/results/8ab32ffc-a14d-4888-b7e7-8107ed183f40/
SH256 hash:
a30dd4fef4e5ee22ed6d06440fc655f2f44bc65c2bc916c5d37ccf7d72201494
MD5 hash:
f9e7b1a5560d9ea824266644fdb8b90f
SHA1 hash:
e4c25370c7b450925758a1395a5a956baefb2dce
Link:
https://www.unpac.me/results/8ab32ffc-a14d-4888-b7e7-8107ed183f40/
SH256 hash:
71973fc9a718a91a6be4aa125c3e818ae9dfff826fd0beeb8154f2c1a1f985a8
MD5 hash:
77b046b006a112c044221220f91fce58
SHA1 hash:
457457425c1a39bc2bc1ca4931d0cf4191c3cc5e
Link:
https://www.unpac.me/results/8ab32ffc-a14d-4888-b7e7-8107ed183f40/
SH256 hash:
20c99a2cd7d9605ad018a2279d48dfbedb0d8e07c473f30e817f998c7a25fe44
MD5 hash:
ae4242a15cbebce139ab75eb9e93d3bb
SHA1 hash:
c3c7e7caaae630ab6d67b0e60052c56badbca12f
Link:
https://www.unpac.me/results/8ab32ffc-a14d-4888-b7e7-8107ed183f40/
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/20c99a2cd7d9605ad018a2279d48dfbedb0d8e07c473f30e817f998c7a25fe44

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/176467/

Comments