MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ef2a4ddbdb6f28ec39e26bbd6883221326eaf51babfca78fdb27f1d5f4fdbe1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 7ef2a4ddbdb6f28ec39e26bbd6883221326eaf51babfca78fdb27f1d5f4fdbe1
SHA3-384 hash: 45a6254f838550d35bc70914c94193623d1134ae29b37c6f86df1527e0624956f1292218d6d491742a3e82105f782566
SHA1 hash: 2906284848ee6c122f024dff7b03fecf85f97d2b
MD5 hash: fc17d255bfbc09ce749838709daa0f2d
humanhash: mango-mississippi-beryllium-april
File name:Draft Quotation 20220130.exe
Download: download sample
Signature AgentTesla
File size:494'592 bytes
First seen:2022-01-30 14:17:25 UTC
Last seen:2022-01-31 13:51:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:3ukSoOn5NxF2UKhKc6/Hb8O70DDjWwXbpefNRt:+kSrORhKc6/wOY/jzNGNRt
Threatray 14'442 similar samples on MalwareBazaar
TLSH T10AB4F17422F98751F52F4FB5A56CB22003B274A36AC5DB744B1A35C28BF9F122E8570B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Draft Quotation 20220130.exe
Verdict:
Malicious activity
Analysis date:
2022-01-30 14:19:56 UTC
Tags:
n/a

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
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 562850 Sample: Draft Quotation 20220130.exe Startdate: 30/01/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 17 other signatures 2->40 7 Draft Quotation 20220130.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\UJXlESjG.exe, PE32 7->26 dropped 28 C:\Users\...\UJXlESjG.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmpDF7D.tmp, XML 7->30 dropped 32 C:\Users\...\Draft Quotation 20220130.exe.log, ASCII 7->32 dropped 42 Adds a directory exclusion to Windows Defender 7->42 44 Injects a PE file into a foreign processes 7->44 11 Draft Quotation 20220130.exe 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 25 7->16         started        18 schtasks.exe 1 7->18         started        signatures5 process6 signatures7 46 Moves itself to temp directory 11->46 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-30 13:48:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2030557675:AAF2CRvHF_rfT7tYXz9VN8YUb6kF5qxu_xg/sendDocument
Unpacked files
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
SH256 hash:
4ed4c6fa42e480d12918408f7cd5275d198bc6b4512b232f0c7eb1e2f5bc12b4
MD5 hash:
217737ad7f132f789b9ba90b8b3a20ed
SHA1 hash:
52edd368edb082f9c50ba1b2854945c7b69269ed
SH256 hash:
60a337af554e15ebfc4a3093ff1ca575a036fdcd9675bcb119cfa3aea0c59dd4
MD5 hash:
ef8f31a392f3c9148106528fef316cbe
SHA1 hash:
3e4af12090cf37630412b3806e9fda8f521f792a
SH256 hash:
7ef2a4ddbdb6f28ec39e26bbd6883221326eaf51babfca78fdb27f1d5f4fdbe1
MD5 hash:
fc17d255bfbc09ce749838709daa0f2d
SHA1 hash:
2906284848ee6c122f024dff7b03fecf85f97d2b
Malware family:
Agent Tesla v3
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: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 7ef2a4ddbdb6f28ec39e26bbd6883221326eaf51babfca78fdb27f1d5f4fdbe1

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments