MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd
SHA3-384 hash: a3c09b3a29c6aee74e42fb53cdb2778afb7e8ce42f733887e3cc688a5f0f9f902736eacb1bf4d9d489daa346ebb886bf
SHA1 hash: 65f379d3d7500aafbe9be0f24f222b790bce95e4
MD5 hash: 28abc107bed1731700d86be37d13372e
humanhash: illinois-yankee-india-ohio
File name:proforma invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:900'096 bytes
First seen:2021-06-28 05:21:41 UTC
Last seen:2021-07-14 03:39:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ACtUdi1Ds7KuSOkCnfmZTRV3ekiGNNPjI5:rkKuBT+ZdxUcLI5
Threatray 6'160 similar samples on MalwareBazaar
TLSH DB15023172C166A7CBBD17380822A24023F1AD412A26D63E5C82764D6B75FE74F2377E
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
5
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proforma invoice.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-28 05:25:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b90f1804-2a04-4251-bc22-52a38d7c4a00

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/168520/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

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/431ed1e7-0964-45b6-a5b7-4c8979cf968a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808670
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for sample
Modifies the hosts 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 Process Start Without DLL
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441081 Sample: proforma invoice.exe Startdate: 28/06/2021 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->30 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 9 other signatures 2->36 6 proforma invoice.exe 3 2->6         started        10 kprUEGC.exe 2 2->10         started        12 kprUEGC.exe 1 2->12         started        process3 file4 24 C:\Users\user\...\proforma invoice.exe.log, ASCII 6->24 dropped 38 Writes to foreign memory regions 6->38 40 Allocates memory in foreign processes 6->40 42 Injects a PE file into a foreign processes 6->42 14 RegSvcs.exe 2 4 6->14         started        18 RegSvcs.exe 6->18         started        20 conhost.exe 10->20         started        22 conhost.exe 12->22         started        signatures5 process6 file7 26 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 14->28 dropped 44 Modifies the hosts file 14->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->50 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-28 01:55:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xsbwaeb56zwywfg2x33i7mw6tfqom3rhqj3tk3eboqfbrv6utpoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
007c2a73c02965438bc90b6dc5960002c1f119b3ae70ddc6679e3687056275be
AgentTesla
07c81cceba2e04d6daebd227f37525bd931d19491dc6dc903e99b0176f1a9252
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8cbe20f02c27a802e43a868585c6662a4157e0365c22590727d36533315e451c
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a272ee0b70107d2e318321ecca3147425f663beb85f0f8dc80fbb21ba27c952a
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c371624a5226ebe027c510c67f682b81b651af3e1b7a0c2ff5c7a1264bc3561c
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d8a41a28c498d512310f9acfe5c44c6d22daa445d522cd53bd80bb4b2fddf2ac
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dcc9eeebc5a6c66f0b4695773211a00b58143d94970e2dac265d0499a55dea43
AgentTesla
df3f81c09df6b833bbbfae472f79965b13666ceab48f37596308765dcfd8388a
AgentTesla
+ 6'150 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/210628-vp5f4yw93s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/02b3b1b6-67e0-4c53-81b1-1c46b328aff0/
SH256 hash:
e40f9d97d721c85b0f020780dab5010b0c595d58d6517eeca34ddf0cbbf0fd65
MD5 hash:
f6870aec4b400881a61619ce51aa8e5c
SHA1 hash:
c41fc52e06f5f575febda55e6da75b4699359b70
Link:
https://www.unpac.me/results/02b3b1b6-67e0-4c53-81b1-1c46b328aff0/
SH256 hash:
bcf9340f872b01253b6026c7f4cefbabe0e9725c3cdfbc9d8f7be196f8140658
MD5 hash:
0028d8f416ce8940ce1d61faeb01ca77
SHA1 hash:
b0db884b7ec60af4af8df15942f6dc388deaa6fe
Link:
https://www.unpac.me/results/02b3b1b6-67e0-4c53-81b1-1c46b328aff0/
SH256 hash:
bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd
MD5 hash:
28abc107bed1731700d86be37d13372e
SHA1 hash:
65f379d3d7500aafbe9be0f24f222b790bce95e4
Link:
https://www.unpac.me/results/02b3b1b6-67e0-4c53-81b1-1c46b328aff0/
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/bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd

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: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

r00 65860d0a646d04a02071464cb18738e8c9f8e029be1c7f5ff3db4652cece7618

AgentTesla

Executable exe bc8360103df66d8b14dabef68fb2de9960e66e278277356c81740a18d7d49bdd

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 65860d0a646d04a02071464cb18738e8c9f8e029be1c7f5ff3db4652cece7618
Cape
Cape
https://www.capesandbox.com/analysis/168520/

Comments