MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1
SHA3-384 hash: 0613b3b4744400c2a1d3e04d2f379d097d5151bad415592228870ff43a58de5cf63d9daf501354e706a67efea8b954d9
SHA1 hash: 1918fa045560cd0b93771d0576812dcb7f8a31fe
MD5 hash: ff0d02d12036fabb8ab87bae0f64821f
humanhash: comet-arizona-hydrogen-king
File name:PAYMENT-INV-000012.MT103.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:354'816 bytes
First seen:2020-11-02 09:21:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d19874f156b16b5416a2b76aeb784511 (13 x AgentTesla, 1 x MassLogger)
ssdeep 6144:qb7YFpVrhQv3uSFlB9a02xL+W554zkH5FaONNnJdXraJ5oZldDSNocT:MU3QvuSFlBycWkzkOOr/XrqeYF
Threatray 883 similar samples on MalwareBazaar
TLSH AB7423E2C8B05852F1288DF6A36D9A097351FC210C9E8D4CD817E69FB9399C4AED158F
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81783/
Detection(s):
PUA.Win.Packer.Upx-49
Create hunting rule

PUA.Win.Packer.UpxProtector-1
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Changing the hosts file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/518064
Signature
Contains functionality to detect sleep reduction / modifications
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 308138 Sample: PAYMENT-INV-000012.MT103.exe Startdate: 02/11/2020 Architecture: WINDOWS Score: 100 35 mail.elsewedyindustrial.com 2->35 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 7 PAYMENT-INV-000012.MT103.exe 2->7         started        10 NewApp.exe 2->10         started        12 NewApp.exe 2->12         started        signatures3 process4 signatures5 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->57 59 Maps a DLL or memory area into another process 7->59 14 PAYMENT-INV-000012.MT103.exe 2 5 7->14         started        19 PAYMENT-INV-000012.MT103.exe 7->19         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 65 Contains functionality to detect sleep reduction / modifications 10->65 21 NewApp.exe 2 10->21         started        23 NewApp.exe 10->23         started        25 NewApp.exe 2 12->25         started        27 NewApp.exe 12->27         started        process6 dnsIp7 37 mail.elsewedyindustrial.com 69.195.85.186, 49736, 49737, 587 UNIFIEDLAYER-AS-1US United States 14->37 29 C:\Users\user\AppData\Roaming\...29ewApp.exe, PE32 14->29 dropped 31 C:\Users\user\...31ewApp.exe:Zone.Identifier, ASCII 14->31 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Moves itself to temp directory 14->41 43 Tries to steal Mail credentials (via file access) 14->43 45 4 other signatures 14->45 33 C:\Windows\System32\drivers\etc\hosts, ASCII 25->33 dropped file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1/
Threat name:
Win32.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2020-11-01 21:51:18 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5sdecfniasyexihhrb5yqhuiu67dsxdtpr4ymnwi4rw25tfp6qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3944c8a551e1b51be2f29adf187b63497c7dab93f88755bc086f4e7fc30a759d
AgentTesla
39738c9fd5866fa8f6eb0473bb8bf03766e4fff79875f184823269e4fedb50c4
AgentTesla
46df88abb8b7f783add8e2688ed3fc2632020fc30f6a87172264a4f434af2524
AgentTesla
493ba8398eed500e3af5e0ae2ea45fa5bfdfbc6371bf67a17ee20c050c117927
AgentTesla
67e8fcfa65a48b5ef7288e91ac8ddab1180cf33150471357485511509955413c
AgentTesla
76e9f23704658774f7a6e20425ab60b0575ba40ab95b5ec670b5601a7c3ccb19
AgentTesla
be9f5e6022d9789d876755aec74c292164c2a751ddc977db7a0f9c800967b56d
AgentTesla
d622d02dfd5ebd085c835d848b2a25091c06751f150575b9092bb99e98f94e31
AgentTesla
e4ef5297d417e9facedcefdc568d9f09deb3df0217d94a69dfa23c1238e1eced
AgentTesla
feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3
AgentTesla
+ 873 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201102-qa7ksaby3x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
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
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
2e0e4612b2259c2ba6ef55b4dad241cd1f3fe037867cf1da3845a426eaeb036d
MD5 hash:
b0ed0cf08ec8731f8cd97670b319915d
SHA1 hash:
a3cf00a507a116dcd143f7dc752a7f4da9672857
Link:
https://www.unpac.me/results/bbccfdf1-8eb1-4176-9037-81ca4191ddd2/
SH256 hash:
517f840be5c1f213761c264afffc4fa5085581794f4bc94e64b59200e4d81607
MD5 hash:
1b94c6aae59f140cf0a04933b60dd654
SHA1 hash:
188683c27f0b3082241c2fe5583112047bc45db9
Link:
https://www.unpac.me/results/bbccfdf1-8eb1-4176-9037-81ca4191ddd2/
SH256 hash:
9da9ba22769378d5971fab70b161ad76f3a57d438c75db6a2331d509cb695a5e
MD5 hash:
4b4aba6e6a6dc5b13188c645996484e6
SHA1 hash:
6f27510725c89a61b9e1b5fd4d8bfafa07fdcdc2
Link:
https://www.unpac.me/results/bbccfdf1-8eb1-4176-9037-81ca4191ddd2/
SH256 hash:
3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1
MD5 hash:
ff0d02d12036fabb8ab87bae0f64821f
SHA1 hash:
1918fa045560cd0b93771d0576812dcb7f8a31fe
Link:
https://www.unpac.me/results/bbccfdf1-8eb1-4176-9037-81ca4191ddd2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Malspam

AgentTesla

xz 7195e33b097a9a055de4cf904eeab4d4c2ea2b55fcd270f28f63ddc63c9839f8

AgentTesla

Executable exe 3f643208ad4025825d073c43dc40f4453df1cae39be3cc31b647236d76657fa1

(this sample)

  
Dropped by
MD5 b687bc845dfb3f9e69c93d95f3b45dc5
  
Dropped by
SHA256 7195e33b097a9a055de4cf904eeab4d4c2ea2b55fcd270f28f63ddc63c9839f8
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/81783/

Comments