MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e
SHA3-384 hash: 3f4ab3730d7e21b97d54be294956aa2de8aed21028bd03c79077c8b6f271f6e50e86da12fb31e8850dab0c54f52e4f2d
SHA1 hash: c9addc47045fc33aab10b9ac422926623c146de5
MD5 hash: ea4f304423a04b0bcffd2ec6821b98ba
humanhash: sodium-enemy-princess-cat
File name:Quotation.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:718'848 bytes
First seen:2023-09-07 13:11:22 UTC
Last seen:2023-09-11 10:13:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oq9Uq65fVsbR2ed1IqRA3bLaT3S6mXl/Bw9b0+33csOzm+bpUxQRd6n3bIOV5P3K:oZq6tO2edNRAPkCxlC9b0+HcSO2L
Threatray 1'147 similar samples on MalwareBazaar
TLSH T1A3E4CEF83161E3DFC76687BF99575C7099137C65123A828A727F32984D8DAC78E018B2
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)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
278
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Quotation.PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-09-07 13:13:18 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/2caa78a3-2807-47aa-a464-0b9c2e998c2f

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/447156/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230907-1238.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64f9cc244578d9c35e0614f7/reports/fd5ad461-77f4-4cbd-b5f2-bf40ad66dbbe/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dfc33d6c-e31d-468f-aae0-7a44c46a2caf
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1305323
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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
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: 1305323 Sample: Quotation.PDF.exe Startdate: 07/09/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 9 other signatures 2->53 7 Quotation.PDF.exe 7 2->7         started        11 JGYFDHunFym.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\JGYFDHunFym.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp3611.tmp, XML 7->35 dropped 55 Detected unpacking (changes PE section rights) 7->55 57 Detected unpacking (overwrites its own PE header) 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 67 4 other signatures 7->67 13 RegSvcs.exe 15 2 7->13         started        17 RegSvcs.exe 7->17         started        19 svchost.exe 7->19         started        25 2 other processes 7->25 61 Antivirus detection for dropped file 11->61 63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 RegSvcs.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 37 mail.sirisexpress.com 23.106.253.14, 49718, 49723, 587 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Singapore 13->37 39 api4.ipify.org 64.185.227.156, 443, 49715 WEBNXUS United States 13->39 41 api.ipify.org 13->41 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->69 71 May check the online IP address of the machine 17->71 43 104.237.62.212, 443, 49719 WEBNXUS United States 21->43 45 api.ipify.org 21->45 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->73 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 27 conhost.exe 23->27         started        29 conhost.exe 25->29         started        31 conhost.exe 25->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-07 08:18:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhduy3ht34zi3xxohfwcmavh3e5g7jhy7q7r4z7edwi6feczfzha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
011cb8c9a10fb6468b0e904cde1538c37c744e3ca3721b93c6840b64d2bc9659
AgentTesla
0ebdabe6c28a3f019e3dec1cd4f8fe1aeb40adc099c33d984b7291d15cd3725e
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327f487c6ed34bbfc7d0541d081129d7b4bc4a6e071ed7750e9817da24d5a523
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347a49b7e5d032c2585811ec299182ec24139fd12d967aea4749e44cf0c6dc9a
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3ea30252cf20d5db927ed45f477a20c02a6ebe21f052b778c9868cdf17b42b38
AgentTesla
993987746a70fa34efd8d7c5bdde02fea3d273bf10766ef49b7447a594b3b0c9
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a350436c4c1b84c822cc9e34b556e10ff3b187f33b38448b3391f8d31623d2cb
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abbb76856376be2eab8d979b5bc988d1f19413beff908081d0a905cf5a271786
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dac2900262654e1c4c4c083bad98057b37d7f82e32e75e45af0a4f4fdd174ae9
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e2b5d276a5778dcf5b0e456c751804a30d063feb2da1467ff01fa736179767ba
AgentTesla
+ 1'137 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/230907-qfhrlshh92/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f
MD5 hash:
efa98bccfb47f235c8bc8b941aae2645
SHA1 hash:
6094a073a76571fce2ceb33d95fe3aa1868387fe
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/4feb5aeb-4303-4374-8bfd-464090060d77/
Parent samples :
c01aa0e49d9443f5f4a9c46893397d054eea93f921734704e1294d77d44876af
b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e
a5bb69e8eb8f39ddf00bdfe2034d4bfcb7f17fe8de32c374c7183a22b38bf23f
e665c078835904e48daa2a64c901b5c9a22c3ba292f80d4e718e3fc88b26a2fe
d8b5d4fe4499976563bd1d47c252c70c0e0e4aa424ff5b8a082a2aaa6cc39ed7
9e59b864f851b2101f28ed67a8f5e52fbac208c1b4fda85b7b378dd28e182941
SH256 hash:
68142ab1e3379cf7ee6813ae3c75e7156385d1a691d89ad7ad8dd43989c9470b
MD5 hash:
44155e9bae1b09feb18bb938875e03c8
SHA1 hash:
5619bf30961b237e77b12d16e0d3e18d85d8c198
Link:
https://www.unpac.me/results/4feb5aeb-4303-4374-8bfd-464090060d77/
SH256 hash:
784d4e0af30bcca58d54f86b6966e1c147bcc194a99126ebe79538e9084f6d80
MD5 hash:
5caf74e6818e40e82651781613a42425
SHA1 hash:
2a182b1552373e0907bfd03db31120596df994d0
Link:
https://www.unpac.me/results/4feb5aeb-4303-4374-8bfd-464090060d77/
SH256 hash:
dc7d92e63536b47bf81595ca14b047397fc2cf1498936076fe25c5ac04c2e7ab
MD5 hash:
d66e58d0a3e414b9004f3129d8d078dc
SHA1 hash:
13ea5bfeb5b1705cebcaeea0781cf088e588aa13
Link:
https://www.unpac.me/results/4feb5aeb-4303-4374-8bfd-464090060d77/
SH256 hash:
b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e
MD5 hash:
ea4f304423a04b0bcffd2ec6821b98ba
SHA1 hash:
c9addc47045fc33aab10b9ac422926623c146de5
Link:
https://www.unpac.me/results/4feb5aeb-4303-4374-8bfd-464090060d77/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9c74c6cf3df/report/overview.html
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/b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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

rar 5ff91eeb90e07d464fc992ea36fdf08dfcfc3cb222749458dde8297d14fd8acf

AgentTesla

Executable exe b9c74c6cf3df328ddeee396c2602a7d93a6fa4f8fc3f1e67e41d91e290592e4e

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/447156/
  
Dropped by
SHA256 5ff91eeb90e07d464fc992ea36fdf08dfcfc3cb222749458dde8297d14fd8acf
  
Dropped by
MD5 e1afd73d6a97a2145149b91ad4d7b1bf

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