MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cf6bc8758b8d6c9b0f932809d3c36d3cd54ea4f9910ba4975bb1ecd354143aa. 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 3 File information Comments

SHA256 hash: 5cf6bc8758b8d6c9b0f932809d3c36d3cd54ea4f9910ba4975bb1ecd354143aa
SHA3-384 hash: ea3433cb4176b4d077637c3fa897f0db3c7022a311b535ede103550e8f1240c25defd63b06d4ec20b98aca2fe330081f
SHA1 hash: 0e6b3e2fd9aaf11296581ca2b774f4f675e640df
MD5 hash: 7a3a5e2e521577337817abf523ddf33f
humanhash: jupiter-salami-fish-magnesium
File name:7a3a5e2e521577337817abf523ddf33f.exe
Download: download sample
Signature AgentTesla
File size:966'656 bytes
First seen:2021-03-23 16:05:23 UTC
Last seen:2021-03-23 17:53:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:U/6i/gcqwcNd0I0XWFHsdPOVYYRAAvK/oSwlaq4BTNjs2fd+cJ1Xj0GPlJiJE:blN8IHOdPOKcsoSwlCP+kj0giJE
Threatray 3'428 similar samples on MalwareBazaar
TLSH B325E58C5C9AC0CAC6750BB886CEC9EA46DA5FF30F2298BAF9C457C7C531741F50A625
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Signed Order.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-23 15:05:35 UTC
Tags:
encrypted exploit CVE-2017-11882

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

Behaviour
Sending a UDP request
Creating a window
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 very large array initializations
Allocates memory in foreign processes
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
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 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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374117 Sample: 5qob4pA8L5.exe Startdate: 23/03/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 5qob4pA8L5.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...19pWKhFdGJmw.exe, PE32 7->19 dropped 21 C:\Users\...21pWKhFdGJmw.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpAFEB.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\5qob4pA8L5.exe.log, ASCII 7->25 dropped 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Writes to foreign memory regions 7->41 43 Allocates memory in foreign processes 7->43 45 Injects a PE file into a foreign processes 7->45 11 RegSvcs.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 us2.smtp.mailhostbox.com 208.91.199.225, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->27 29 192.168.2.1 unknown unknown 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 4 other signatures 11->53 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-23 09:58:06 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
SH256 hash:
5cf6bc8758b8d6c9b0f932809d3c36d3cd54ea4f9910ba4975bb1ecd354143aa
MD5 hash:
7a3a5e2e521577337817abf523ddf33f
SHA1 hash:
0e6b3e2fd9aaf11296581ca2b774f4f675e640df
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 5cf6bc8758b8d6c9b0f932809d3c36d3cd54ea4f9910ba4975bb1ecd354143aa

(this sample)

  
Delivery method
Distributed via web download

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