MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3
SHA3-384 hash: 25d59f7a74f9f55de8232bb8034d214ad528cb6897556f56a35d78085f0542acb97857ffd8f987b7eafc4ca8b0e790de
SHA1 hash: 23bf367e0a61b02e9fb8be33a0137bf7b73b5d45
MD5 hash: 15054d8f09cf41abcd2ed33908ef5608
humanhash: uncle-whiskey-nineteen-alabama
File name:Advance Payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:24'064 bytes
First seen:2022-06-06 08:30:59 UTC
Last seen:2022-06-06 09:51:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:9gT0nhbCoEyLdbR8YnMaySvNTcI1pGIB0gvWTAYNzBW:9LnhbCoEyLOqaIB0gy3
Threatray 17'595 similar samples on MalwareBazaar
TLSH T15BB2A3C0CED6C166C8AA14FBDA3E1160977D4945DB232D08DD8D2B0836F264CD9CA7F6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 7ad8ba9ab8b8b882 (9 x SnakeKeylogger, 3 x AgentTesla, 1 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Advance Payment.exe
Verdict:
Malicious activity
Analysis date:
2022-06-06 08:34:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/be42f786-0ec4-4bfe-94f4-9ebe26307f4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/276923/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.22016.18777.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed quasar
Link:
https://www.filescan.io/uploads/629dbb588e867832d9dd26fe/reports/17c0f418-aa41-40d2-aba6-c74315169dbf/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:
AVEMARIA
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c20040e3-7795-4ff3-95d2-6895551e259e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007177
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Executable has a suspicious name (potential lure to open the executable)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 639673 Sample: Advance Payment.exe Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 45 api.telegram.org 2->45 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 11 other signatures 2->63 8 Advance Payment.exe 16 7 2->8         started        13 Wkfcpomf.exe 14 3 2->13         started        15 Wkfcpomf.exe 3 2->15         started        signatures3 process4 dnsIp5 47 2.58.149.2, 49756, 49772, 49773 GBTCLOUDUS Netherlands 8->47 39 C:\Users\user\AppData\...\Wkfcpomf.exe, PE32 8->39 dropped 41 C:\Users\user\...\Advance Payment.exe.log, ASCII 8->41 dropped 65 Writes to foreign memory regions 8->65 67 Injects a PE file into a foreign processes 8->67 17 InstallUtil.exe 14 6 8->17         started        21 cmd.exe 1 8->21         started        69 Multi AV Scanner detection for dropped file 13->69 23 cmd.exe 13->23         started        25 cmd.exe 15->25         started        file6 signatures7 process8 dnsIp9 43 api.telegram.org 149.154.167.220, 443, 49770, 49771 TELEGRAMRU United Kingdom 17->43 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->51 53 Tries to steal Mail credentials (via file / registry access) 17->53 55 4 other signatures 17->55 27 conhost.exe 21->27         started        29 timeout.exe 1 21->29         started        31 conhost.exe 23->31         started        33 timeout.exe 23->33         started        35 conhost.exe 25->35         started        37 timeout.exe 25->37         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 08:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q2a7ixo5urnwsukpl4dluo6u4hr4umtvuaqzby2e26i5ot63spjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
masslogger
Create hunting rule
Similar samples:
10e99d11d9ed11e37500314f9f524479b3e8968f7beea0b2566624050399adc9
AgentTesla
66aa3076bab656dc495c3a7cd2f8cfef86ffe2082d209fabe8c64905b8c76cb9
AgentTesla
8cb67ee37e7ccd89e8263b6245a842004de8ca49dd5989a017deb110b00569e4
AgentTesla
8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6
AgentTesla
c39a8dafb70b4adfb21ca557c23f3b81fc965c204bb70d515f8903f3205b72b7
AgentTesla
d771c9a2281f020dc96e9d38f050987a4c607790388017b8d1bf560851541e1a
AgentTesla
e32d29de02579a753bbbae6d60fc0c58b09c929a4670b145b3929f627ae67bb2
AgentTesla
eb9584ad3104f69ad4e2276257912f42340268c45613300675f715781ec16233
AgentTesla
+ 17'585 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/220606-keqg6sehc8/
Behaviour
Delays execution with timeout.exe
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5421147975:AAGrsGnLOHZfFv7yHuj3hZdQSOVmPodIAVI/sendDocument
Unpacked files
SH256 hash:
8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3
MD5 hash:
15054d8f09cf41abcd2ed33908ef5608
SHA1 hash:
23bf367e0a61b02e9fb8be33a0137bf7b73b5d45
Link:
https://www.unpac.me/results/71f6e1dd-2cee-4a25-a3a9-b830bc11cab7/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8681f45ddda4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3

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

Executable exe 8681f45ddda45b69514f5f06ba3bd4e1e3ca3275a02190e344d791d74fdb93d3

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276923/

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