MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7dc1b812cdc25fb3eb7a0e8e9e32e75a395b35621ac0f743cbccfaf1da56b51. 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 4 File information Comments

SHA256 hash: a7dc1b812cdc25fb3eb7a0e8e9e32e75a395b35621ac0f743cbccfaf1da56b51
SHA3-384 hash: 736aa4a40b752a2436f5f56820c8cf52a9b0233c0cd20276e0d3286bc19a718b82bc277c182083cf1b562f5abf25a138
SHA1 hash: 36615574cd8728ebffd48a89f39760752451bfd4
MD5 hash: c56e32027ccd7a04db2cb6ebbb39bcf2
humanhash: south-mockingbird-charlie-illinois
File name:Swift Copy.exe
Download: download sample
Signature AgentTesla
File size:695'296 bytes
First seen:2021-10-03 03:24:43 UTC
Last seen:2021-10-04 07:22:35 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 12288:TRP56V86cnMH/1+UOoiXCjuQ1/9+x2bJrk83MqPIrRN:R56VKSN+7DXiuQmA1rkWQrn
Threatray 10'588 similar samples on MalwareBazaar
TLSH T1D5E4D0E262170296EE2947F168374C8517B7BD3E7D70F52C1D9AB1A60B733A3016AC1B
File icon (PE):PE icon
dhash icon 7e4c611705595900 (2 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift Copy.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-03 03:25:57 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 495762 Sample: Swift Copy.exe Startdate: 03/10/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 6 Swift Copy.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2->12         started        process3 file4 21 C:\Users\user\AppData\...\Swift Copy.exe.log, ASCII 6->21 dropped 47 Injects a PE file into a foreign processes 6->47 14 Swift Copy.exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->53 19 kprUEGC.exe 2 10->19         started        signatures5 process6 dnsIp7 29 mail.seshsupports.com 166.62.28.126, 49849, 587 AS-26496-GO-DADDY-COM-LLCUS United States 14->29 23 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->23 dropped 25 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 3 other signatures 14->37 27 C:\Windows\System32\drivers\etc\hosts, ASCII 19->27 dropped file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.DarkStealerLoader
Status:
Malicious
First seen:
2021-10-03 02:50:59 UTC
AV detection:
10 of 45 (22.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
78205e19b96525f155e9b8c146d6d81c48b53b620a3d4bfbd259f031f53bc4f3
MD5 hash:
191b4ce1538ec3af456b1daccf678824
SHA1 hash:
8dcaa0382c9b9d204e8c8efca3eea8d906883d13
SH256 hash:
3337dc80c65c253c114f6d4e3268800a06f4945d4c7437f5a8bf1b4f715020d6
MD5 hash:
a94f464b21bb2a0a2a54687869c24786
SHA1 hash:
86878281307bcf3dab3985491fe7b73e59aa2e48
SH256 hash:
ff2a71da88f7f5be878d5cd38bb508054d1a18411c51deb29dff41b2773279a6
MD5 hash:
5503d28e4c42ab8ec7ab6e0bc54e7d2a
SHA1 hash:
5ff8f4e28c9f2739dba70f08e49f3d27563260e8
SH256 hash:
52983691231a49224a885cef58361226008c41ef30e1295eaf11378a942f3cfa
MD5 hash:
999760904c762b3799e8ca146e32cf30
SHA1 hash:
44017a028dc71cf89bc154e213e7b4a971e66510
SH256 hash:
a7dc1b812cdc25fb3eb7a0e8e9e32e75a395b35621ac0f743cbccfaf1da56b51
MD5 hash:
c56e32027ccd7a04db2cb6ebbb39bcf2
SHA1 hash:
36615574cd8728ebffd48a89f39760752451bfd4
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 a7dc1b812cdc25fb3eb7a0e8e9e32e75a395b35621ac0f743cbccfaf1da56b51

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments