MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81
SHA3-384 hash: a28751b427c697a9092bfb0dfcfffbd6916777b62e5fce10170d21b9b625bee863ca5d852655793f16c3a21465be9f49
SHA1 hash: 1885bf95837502f38f82eadfdbd5b4e921cbbad9
MD5 hash: 9a822f8843681b47815b67e87740301a
humanhash: east-table-item-yellow
File name:Fiyat teklifi Istegi 23070 PER 120 Adet …scanneed 00101.pdf.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:705'536 bytes
First seen:2024-01-31 11:10:29 UTC
Last seen:2024-01-31 12:50:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DvBS3IAYQ4HvbBjfuvs6D2akMGfKWv/FMEs7YDeOj8Kwpgh9J9anfSTDS:DB0IA0vbAvs6D2as7GdYiqwpgh/9HDS
Threatray 5'192 similar samples on MalwareBazaar
TLSH T1F0E41287327E9B26DAFC1BF945B051504FF6A9276A52F3684E4514DF3A3BF010A60B23
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00400cc4e40f4c18 (9 x AgentTesla, 3 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla bat exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46194.9018.24590.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6340f62c-49df-45e1-a184-cb6d60b89079
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384034
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, 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 an obfuscated file name to hide its real file extension (RTLO)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384034 Sample: Fiyat_teklifi_Istegi_23070_... Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 36 mail.musabody.com 2->36 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 14 other signatures 2->54 8 Fiyat_teklifi_Istegi_23070_PER_120_Adet_#U2026scanneed_00101.pdf.bat.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2->13         started        signatures3 process4 signatures5 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Adds a directory exclusion to Windows Defender 8->58 60 Injects a PE file into a foreign processes 8->60 15 Fiyat_teklifi_Istegi_23070_PER_120_Adet_#U2026scanneed_00101.pdf.bat.exe 1 5 8->15         started        20 powershell.exe 19 8->20         started        62 Antivirus detection for dropped file 11->62 64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Contains functionality to register a low level keyboard hook 11->68 22 ctsdvwT.exe 2 11->22         started        24 ctsdvwT.exe 13->24         started        26 ctsdvwT.exe 13->26         started        process6 dnsIp7 38 mail.musabody.com 108.167.140.123, 49715, 587 UNIFIEDLAYER-AS-1US United States 15->38 32 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->32 dropped 34 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->34 dropped 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 44 Installs a global keyboard hook 15->44 28 WmiPrvSE.exe 20->28         started        30 conhost.exe 20->30         started        46 Tries to harvest and steal browser information (history, passwords, etc) 24->46 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-01-31 12:47:11 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5nhxxq527feqta3ihiqs3swfzo3mikniyzymheetm2qou6mz2aq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
39df2e11bf25d5fa878ba25f8714116936f45400c6765f2b6212c860b79a3f0e
AgentTesla
466c76edd5349fdf47575f430c0b1148ac5d02ab6e7f20d2468c10896ad25a9f
AgentTesla
4caca79379d7a82fc6348039c7a95f463be1462a5e6ef4c4e5b1f26e76fb4dbb
AgentTesla
8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81
AgentTesla
9ee3d485042697bb7cc15792f2c77303d52258c263c720040aa5bfb8031a404f
AgentTesla
b372ad0ef5c34278fc6be947a53a555c4fe57a143c87510c77e44984cc099a2f
AgentTesla
+ 5'182 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/240131-naa4gacfdl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
329fc3ab0b9cf28cf3124788bd07d8e5aa1349d16d9eaeee03cbe2eeb244a8c2
MD5 hash:
478e54ca81a01c6d79fa4adc9b6cc984
SHA1 hash:
ba42b119eea964ef0a8368d6750ebbcee17b62cf
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/bd6bf6f5-4b41-4b76-aaca-ecf881eee075/
Parent samples :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 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/bd6bf6f5-4b41-4b76-aaca-ecf881eee075/
SH256 hash:
c9dbb613980341176f2ae6aa09a6748216b25216000e3d00653d48dcdf65f375
MD5 hash:
223421ee3661ad431f4e24e647057dfd
SHA1 hash:
1ff1dc588b1bdf19f30c88c0fd9e4dca01fd767e
Link:
https://www.unpac.me/results/bd6bf6f5-4b41-4b76-aaca-ecf881eee075/
SH256 hash:
e881f9cff814b60af1c362503d4b559417596e1f5affe6caf894d9043b718f37
MD5 hash:
a87a2c2b444e7f496a00b3afdb58c751
SHA1 hash:
1376add82e975d212ef4dfcea69defe547fdbe59
Link:
https://www.unpac.me/results/bd6bf6f5-4b41-4b76-aaca-ecf881eee075/
SH256 hash:
8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81
MD5 hash:
9a822f8843681b47815b67e87740301a
SHA1 hash:
1885bf95837502f38f82eadfdbd5b4e921cbbad9
Link:
https://www.unpac.me/results/bd6bf6f5-4b41-4b76-aaca-ecf881eee075/
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/8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81

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

Executable exe 8f5a7bde1dd7ca484c1b41d1096e562e5db6214d4633861c849b350753ccce81

(this sample)

  
Delivery method
Distributed via e-mail attachment

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