MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f
SHA3-384 hash: a92ada4a15f06e9a448db6dd852f3683fd63df9ec654f4dbed915f6ab25442fcec7bfa2180940b9c9f72d4d76df4b15f
SHA1 hash: c2d540924d1bcd10c246772d404061ead56f16b2
MD5 hash: 457035489bbcde1f5d09136a3bbc752a
humanhash: william-sixteen-bakerloo-violet
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'082'880 bytes
First seen:2021-03-03 10:44:45 UTC
Last seen:2021-03-10 02:18:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+QmlpFWj67VHH8n6pKJzxy5PmRU2Ks/120zf8gCmikDBC3TWHpitR7AeguO6pBA1:t0JHFuxuPm6Hw2M8IM3aJMnDzm5zQpQ
Threatray 10'685 similar samples on MalwareBazaar
TLSH 12359CE1215E415FC436EAB4BA8880BCC7D469117E07E69ADA8469CF49D2E30DF81DF3
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
11
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2021-03-03 06:42:58 UTC
Tags:
rat agenttesla trojan
Link:
https://app.any.run/tasks/cae97eee-b1aa-49be-aefa-0b225894a2e7

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/121320/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36435244.20082.20105.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Changing the hosts 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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/625904
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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 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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 361938 Sample: INVOICE.exe Startdate: 03/03/2021 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 10 other signatures 2->56 7 INVOICE.exe 6 2->7         started        11 WCPCe.exe 2 2->11         started        13 WCPCe.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\VVTQvZHrC.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp18E6.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Allocates memory in foreign processes 7->60 62 Injects a PE file into a foreign processes 7->62 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 mail.tejoofashions.com 148.66.138.106, 49733, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 15->38 40 192.168.2.1 unknown unknown 15->40 28 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 02:57:24 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihmn3uihvqpnkq575sfce4sbijj2ketx25pqqawdykl2ubkzybhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0692a4e8916df354987539ff2781631f65e7b691df4f558b6b510ab5c63bd070
AgentTesla
56b3bea2f71214ea2365ccf150c11c357d4e227db44ca064959243ccc257e9bd
AgentTesla
56f2c7b9d0efa06b177d87a0617b2a4ccb000d72599d046e3cc014628a4ca497
AgentTesla
733791b9f0a883fccd3d16935d700144bdfb9e5b8ca2ee4a095fa30ce9c301e5
AgentTesla
7d85dcd63ce189a5b1ab36d5c18063a1a2bf20204d93d1e21c35d825cf4a2585
AgentTesla
97c2ee3d3eebd8f4b99e0f4b4b7069e5a9a43c6cefb62369cdb0d0a2be67919e
AgentTesla
aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc
AgentTesla
ae6c488302c04f00a60835db6b955fb8e1eb42f0e73e71873f5b7dc630596755
AgentTesla
ddee3ca744c732bbbae51bf179fdd92c59f80f75222ddf219456059886917165
AgentTesla
f150b76e622e7da135e3d47a20c424aa20a6efeb839b15d301c17233bdcbc9f4
AgentTesla
+ 10'675 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/210303-mck76ccrn2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0996c1428c74ff777f881a27e673207f924a54930e2f1a9e610c1b38294f18e6
MD5 hash:
6f6eb3eb335ef690988de790176fee79
SHA1 hash:
dbd2e1809680f8f3e7106b4527e47588fb0b7258
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/99f06e75-5045-489f-8bb2-6efca2de55fb/
Parent samples :
aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc
0692a4e8916df354987539ff2781631f65e7b691df4f558b6b510ab5c63bd070
56b3bea2f71214ea2365ccf150c11c357d4e227db44ca064959243ccc257e9bd
41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f
84e74d1f1ef100d88a9880caa9b26502f8cdef09869f27816fa1907086d18db2
8625e20198515d3003559f7c7f56548dbac4919fb0f67f89f90f81f6d926a71d
89203c9d1ba98fde5ac5baad12944bc68d9a8b1a21a0bb61526daaca06d7b189
ea67fc1a3e2c4217cb32d348a38a2ed6f17c2930fd3844a4b6a5109b8bb522ba
6e73eb9db1f552b4fe8a0aeed4caf6cff4abd36f1bfeb7cc670fe02bf0dae4c3
67a6cfdfbba1f1a044490fdb25c1ccd480dc0256ec757dc879babd9772ea685d
3c493947ff53dafec4b6261a9a95638d629c48ee5a7295fa48455bbe1aa61ee5
54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5
850c25e23cc582bad58318fb70772023c21b36fcb50966a36b659e7199f4cc70
3bd965bfecd32024ac9cbe54e2ef55ed3603398a89514224ac798ed66e1a5d62
78b22dd43ba0c201a7f63a9e7c7c59649395709a86aea45787103ef37c715798
SH256 hash:
3dd31621141824d95cadf6a5e6d854c73b3407e48485c16a20cca89b11e51916
MD5 hash:
2a2771a74081a09b6638dc47e0800fca
SHA1 hash:
8ae8e8596a4cfe83a394ec8113dfb59ba94f3df0
Link:
https://www.unpac.me/results/99f06e75-5045-489f-8bb2-6efca2de55fb/
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
Link:
https://www.unpac.me/results/99f06e75-5045-489f-8bb2-6efca2de55fb/
SH256 hash:
41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f
MD5 hash:
457035489bbcde1f5d09136a3bbc752a
SHA1 hash:
c2d540924d1bcd10c246772d404061ead56f16b2
Link:
https://www.unpac.me/results/99f06e75-5045-489f-8bb2-6efca2de55fb/
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/41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f

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:AgentTesla_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip 79d4715f865da944b539c822b36a5d4da278301a7287015685895d2399e4a751

AgentTesla

Executable exe 41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f

(this sample)

  
Dropped by
MD5 c436b0d6d98557ef1822a559dab9a9dc
  
Dropped by
SHA256 79d4715f865da944b539c822b36a5d4da278301a7287015685895d2399e4a751
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/121320/

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