MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3e85ff8e9a2bc8f6b0f0e75c32e1bb79524da94bbb4da00fcf0f86d477c8da9. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: f3e85ff8e9a2bc8f6b0f0e75c32e1bb79524da94bbb4da00fcf0f86d477c8da9
SHA3-384 hash: 5f3d7c08b4ff93bf4e8c5e12473e9641bdbe6e7f0b5a15561808a913b74c712dbe163ad4abc7f1095ca389d2da938111
SHA1 hash: 060631c7169c59794d60a2ac70231c69a24099f5
MD5 hash: 47f98d7e9478f722f58759e7900849f3
humanhash: shade-hot-colorado-massachusetts
File name:KrediIliskisizHayatSigortalari.xlsx.exe
Download: download sample
Signature AgentTesla
File size:622'592 bytes
First seen:2023-07-14 12:11:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:5+PL2yewzWS1kPouwYtSzhT3RyuAeVTJeQk0Xf7kZPWr/mS8+w:ML2cz5hVTUuAeKQk0vgArB8+
Threatray 4'875 similar samples on MalwareBazaar
TLSH T17BD41236AA656B52C7738BF91010223043BE1ACBB876F7474E9F31DAA7647194A02F13
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
KrediIliskisizHayatSigortalari.xlsx.exe
Verdict:
Malicious activity
Analysis date:
2023-07-14 12:13:31 UTC
Tags:
stealer agenttesla trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook masquerade packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1273133 Sample: KrediIliskisizHayatSigortal... Startdate: 14/07/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 6 other signatures 2->51 7 KrediIliskisizHayatSigortalari.xlsx.exe 7 2->7         started        11 lreVAOq.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\lreVAOq.exe, PE32 7->35 dropped 37 C:\Users\user\...\lreVAOq.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpB366.tmp, XML 7->39 dropped 41 KrediIliskisizHaya...talari.xlsx.exe.log, ASCII 7->41 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 13 KrediIliskisizHayatSigortalari.xlsx.exe 7 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 23 lreVAOq.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 43 webmail.gumustaslojistik.com 109.232.216.224, 49697, 49698, 587 AEROTEK-ASTR Turkey 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 67 Installs a global keyboard hook 23->67 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-13 14:22:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
03d1efa458aae4678afaafb9570653adfce22a7292e757ab9040abb331d9b4f2
MD5 hash:
33616a78e475ca9f5cc9efdf795b8e92
SHA1 hash:
9f6c97eb80bf6e12c9503392c936ca7dba9239c0
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
f3e85ff8e9a2bc8f6b0f0e75c32e1bb79524da94bbb4da00fcf0f86d477c8da9
MD5 hash:
47f98d7e9478f722f58759e7900849f3
SHA1 hash:
060631c7169c59794d60a2ac70231c69a24099f5
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:AgentTeslaV4
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 f3e85ff8e9a2bc8f6b0f0e75c32e1bb79524da94bbb4da00fcf0f86d477c8da9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments