MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1
SHA3-384 hash: 3d354f5b7ced14c3b5291cc5b4072a68650fb58d5bd2e2e32a4966be59c02f1ac5a6a64fd703b9e98b327bac1b8473c3
SHA1 hash: 84439c52ba90872de0cf0f803fb24cfcbcaa70d4
MD5 hash: 7eb75e8ebcfca4fa5d8224bc25fbb95f
humanhash: cup-lactose-idaho-fifteen
File name:Invoice_API22104567096544.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'212'416 bytes
First seen:2023-07-13 06:33:51 UTC
Last seen:2023-07-13 11:39:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Yx9VmqRDGJ2EMAKjVsr4P1rbbQVZLkVFe5+JYO4wINqOsLg7GrQ254m1P:DwDYMtVPdcLkS5+JwqHgXm
Threatray 4'805 similar samples on MalwareBazaar
TLSH T1C445FA38B8552127EE7DDFB946CE494CF2D62607B39E793F25D11AC35212A01E782C2E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c8d8cac8e0a6889c (7 x AgentTesla, 1 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe INVOICE payment

Intelligence

File Origin
# of uploads :
9
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Invoice_API22104567096544.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-13 06:34:07 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/bd9060d5-ded8-4f48-9ffe-e1f9c07d118a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/417251/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5927.5473.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64af9adb58d62e49a2fd4d7a/reports/3b2c6b92-e2e0-42e4-9046-837c052b8832/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ab8625c-17e4-4b4c-afe5-1f3a8952e8c9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272226
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 1272226 Sample: Invoice_API22104567096544.pdf.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 9 other signatures 2->39 7 Invoice_API22104567096544.pdf.exe 6 2->7         started        11 JejwLblCxsP.exe 2 2->11         started        process3 file4 21 C:\Users\user\AppData\...\JejwLblCxsP.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp6DD3.tmp, XML 7->23 dropped 25 C:\...\Invoice_API22104567096544.pdf.exe.log, ASCII 7->25 dropped 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Writes to foreign memory regions 7->43 45 Injects a PE file into a foreign processes 7->45 13 RegSvcs.exe 15 2 7->13         started        17 schtasks.exe 1 7->17         started        47 Antivirus detection for dropped file 11->47 49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 signatures5 process6 dnsIp7 27 steamd.in 103.211.216.53, 49700, 587 PUBLIC-DOMAIN-REGISTRYUS Seychelles 13->27 29 mail.steamd.in 13->29 31 4 other IPs or domains 13->31 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->55 57 May check the online IP address of the machine 13->57 59 3 other signatures 13->59 19 conhost.exe 17->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-13 01:48:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
22 of 35 (62.86%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vc6nbqes4whnh5ildcvthzcrx563qrjpnpl5bitze66sagr2mhaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0375bf87521d9ea082df077582916def08dd985a24398b564724d31d0a6e40f9
AgentTesla
7b6ab4ef4d38378572556f67ccc9052b05725c42da497b24272c9b452b6893c9
AgentTesla
a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1
AgentTesla
b2d09202c7a4e5fc96e9e02d0d7308342a42c917c1733dc1379d3558168fba40
AgentTesla
c6edd779c887a6ce95f851a48d9a2a660cd825381e4feb89f085277c9219e677
AgentTesla
cd810234cb9e3102129a4319689d447b6a4433c64fda2c2ec3ed4403544155df
AgentTesla
d78480d58e19a9732187f4764a747c23c9572d6b7e18b420254756173e9bbcbf
AgentTesla
f2380424713b6d5663f19abcece1efe6697d25fb3c522496ebcca814be1e3a11
AgentTesla
+ 4'795 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230713-hbrvqage6x/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
7a387a6fb27c5d9740242f3c240240aa0e762e0d4fb7c4d0f4866c0d9451fd56
MD5 hash:
abf9e9e3afbc3f406ba20694b591e7ea
SHA1 hash:
b556e26c5d29c45e3a27c6115fe0bdec86935c56
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/f0d81119-2f29-4fe8-a969-103b8089e8a4/
Parent samples :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 hash:
8b3e040855df3dafe5ee1ec9600b1ef365a26e2385bbcd1e1963a449e0a7d2db
MD5 hash:
585d5c830c02b2a28eb5c5b04cc9b4f6
SHA1 hash:
a92b768867336eabf768f7166ec39e677f3b3809
Link:
https://www.unpac.me/results/f0d81119-2f29-4fe8-a969-103b8089e8a4/
SH256 hash:
7e440268cdf09104611b3c7ade99f0e154c96a9bcfad69ded7dd6e7e3333423d
MD5 hash:
5c86dcfd929fe2ce74d5d660f6e96ae1
SHA1 hash:
2de844ee049638d89c672b9c16fd4d3ee2fead2e
Link:
https://www.unpac.me/results/f0d81119-2f29-4fe8-a969-103b8089e8a4/
SH256 hash:
a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1
MD5 hash:
7eb75e8ebcfca4fa5d8224bc25fbb95f
SHA1 hash:
84439c52ba90872de0cf0f803fb24cfcbcaa70d4
Link:
https://www.unpac.me/results/f0d81119-2f29-4fe8-a969-103b8089e8a4/
Please note that we are no longer able to provide a coverage score for Virus Total.

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

7z 7ed2cd2e9be68a6d4d08af3bf2f8cda9fd9ed4ef9ed7262feddb7a1907c88e5d

AgentTesla

Executable exe a8bcd0c092e58ed3f50b18ab33e451bf7db8452f6bd7d0a27927bd201a3a61c1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7ed2cd2e9be68a6d4d08af3bf2f8cda9fd9ed4ef9ed7262feddb7a1907c88e5d
  
Dropped by
SHA256 f62800095b884675c30f5acb7c6d388387e51795ad05e771f9c5350b868dcf86
Cape
Cape
https://www.capesandbox.com/analysis/417251/
  
Dropped by
SHA256 d97774b1d4463d114d66178f16e14da50bb1072c5256199adf3021c3f3617492
  
Dropped by
MD5 6dda712fdc27fcda0736cad3c1b86838
  
Dropped by
MD5 5397d7d1f53ee6960dde287bba011957
  
Dropped by
MD5 b6370c4d0070b24499e4690064ec527a

Comments