MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d. 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 2 File information Comments
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SHA256 hash: e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d
SHA3-384 hash: 096045afa2dfec9d105efd4aabbe3114b734a946c25a68cd2010699e4cea22c3d0d59b443af914a6cfdebbbdb302e896
SHA1 hash: 84190e020925c5fdc1cc50f15b0f2b6cca38e4a1
MD5 hash: 9cc687355487891e17bb50b541f6c298
humanhash: winter-speaker-may-east
File name:Signed Contract.xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'792 bytes
First seen:2022-02-15 13:28:53 UTC
Last seen:2022-02-15 16:04:24 UTC
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:In5k+a8y4d3QChGcmLqTzvUTlmsd6sJG2wPsRw69M7C7jggJjj7xXwG34vj:IaWvmoWlms8sNN9M78U2H7xXw+a
Threatray 15'181 similar samples on MalwareBazaar
TLSH T10E051201B7B76B40C0720BFA94E181850BB5A98D1527E73DC96370CD5D63B94CABBA3B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241625/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.3077.13053.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/620baabfac8ad0468b425543/reports/667d5222-e933-46b8-baab-086cc62ee77a/overview
Result
Verdict:
UNKNOWN
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/e7ea25f3-f6e8-49ce-a7f8-95a3b983519d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940105
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572583 Sample: Signed Contract.xlsx.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 14 other signatures 2->65 7 Signed Contract.xlsx.exe 7 2->7         started        11 NRGoCg.exe 5 2->11         started        13 NRGoCg.exe 2->13         started        process3 file4 47 C:\Users\user\AppData\Roaming\vyxYjZ.exe, PE32 7->47 dropped 49 C:\Users\user\AppData\Local\...\tmpC5F9.tmp, XML 7->49 dropped 51 C:\Users\...\Signed Contract.xlsx.exe.log, ASCII 7->51 dropped 67 Adds a directory exclusion to Windows Defender 7->67 69 Injects a PE file into a foreign processes 7->69 15 Signed Contract.xlsx.exe 2 5 7->15         started        19 powershell.exe 25 7->19         started        21 schtasks.exe 1 7->21         started        71 Multi AV Scanner detection for dropped file 11->71 23 powershell.exe 11->23         started        25 schtasks.exe 11->25         started        27 NRGoCg.exe 11->27         started        29 powershell.exe 13->29         started        31 schtasks.exe 13->31         started        33 NRGoCg.exe 13->33         started        signatures5 process6 file7 53 C:\Users\user\AppData\Roaming\...53RGoCg.exe, PE32 15->53 dropped 55 C:\Users\user\...55RGoCg.exe:Zone.Identifier, ASCII 15->55 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->57 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 13:30:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=47fmfokiwlv3amvrlmbfor7k6egl5qq5llntmxmhryiaae7az4oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d3cb97dc52cc9b730a6d0a17cd2d4d7af57feefec9f8865862c291369c31216
AgentTesla
418b8285d8a2e7129052ca76c5f30243713e543ee94b603cc71858566d15e50b
AgentTesla
4e46927fca13b53697d0a5c5257df1075af4e356f2f48ac518768793051f317b
AgentTesla
55ba89f1541ecd603d1fa160fc5c837419a180f97c43242191054c7b01f8ebc4
AgentTesla
639ee65482f0e5653aef412d8b9f2a3c37b338f08771d99835ab5f7c66c36c0b
AgentTesla
84afce79b516a2535b4f063e9dd9aef84aa6288bdc65c4fa5dbbba0bc06727ec
AgentTesla
b10606f05b24167a643dd1088aeed9749c806a023e65585da8c21aefef3c97f4
AgentTesla
d8cf78073b342871499151a2842e4ab10c0da2daf00ea4e4830ced4160f06195
AgentTesla
+ 15'171 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220215-qret4agffn/
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
Link:
https://www.unpac.me/results/12f9cea3-0fc0-4d10-af29-08c39f7e03ef/
SH256 hash:
b9b89eeefd3fa17900f202e3ecce1bd83de3caa85e33e4d269deb83202dd85d9
MD5 hash:
eedd89e8d66049bfccb4f34b5a44871e
SHA1 hash:
a9115beee0140f16614b0acd94f6d5d45b769926
Link:
https://www.unpac.me/results/12f9cea3-0fc0-4d10-af29-08c39f7e03ef/
SH256 hash:
1f5e2e7ac06d6782b9e0f927fd0d8c32ef9a968fc872c3ee3d3cbaaea85c54a3
MD5 hash:
ed04474a7a715fd10e0508ad7d221028
SHA1 hash:
6967171ca60ed7f99baa033dd7717c502176dd09
Link:
https://www.unpac.me/results/12f9cea3-0fc0-4d10-af29-08c39f7e03ef/
SH256 hash:
39ae674eff4d03867d9b6730bdc6c19cfa6c1bdd83ed83af1f01b8853c5c19fa
MD5 hash:
eda676ef7cf6f45052446ee3d69996d6
SHA1 hash:
137a00980bba5eb69a29869f0414992a7cc0c4d8
Link:
https://www.unpac.me/results/12f9cea3-0fc0-4d10-af29-08c39f7e03ef/
SH256 hash:
e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d
MD5 hash:
9cc687355487891e17bb50b541f6c298
SHA1 hash:
84190e020925c5fdc1cc50f15b0f2b6cca38e4a1
Link:
https://www.unpac.me/results/12f9cea3-0fc0-4d10-af29-08c39f7e03ef/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e7cac2b948b2/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/e7cac2b948b2ebb032b15b025747eaf10cbec21d5adb365d878e100013e0cf1d

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.

Cape
Cape
https://www.capesandbox.com/analysis/241625/

Comments