MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bac6798be56de75cadacacc1030c5e09f0dc1dc6970de721fcb21bf44b59be24. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bac6798be56de75cadacacc1030c5e09f0dc1dc6970de721fcb21bf44b59be24
SHA3-384 hash: 803843df2317d6c5810951c24e4be8c19028c31a022f130853116676c550b4faa1675818003d09d268ffd993d6ada391
SHA1 hash: 322645caa15bf52bcba74a87e89926b82ca43268
MD5 hash: 159a51645537b5b98531e9da802211c7
humanhash: rugby-don-papa-cold
File name:159a51645537b5b98531e9da802211c7.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'091'072 bytes
First seen:2021-04-20 12:11:58 UTC
Last seen:2021-04-20 13:01:25 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 24576:cMHROBOobXhRRRRR15RuQ6QUX8MAxjZr1mJ7+Oc5:cMHE3bXhRRRRRv88HBmJvc
Threatray 4'090 similar samples on MalwareBazaar
TLSH FE35DF213FD59E58D2BA4B7858B4925493F9FC118F1BC70AFEA135EC8A70BD45E07282
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.scrablex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-20 10:05:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3d893d4-1d12-4210-94db-fb1a80a6029c

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/139633/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.667.8562.27756.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/689035
Signature
.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
Installs a global keyboard hook
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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 393461 Sample: K4EdvxRo5J.exe Startdate: 20/04/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 3 other signatures 2->51 6 K4EdvxRo5J.exe 3 2->6         started        10 aKZoqyj.exe 3 2->10         started        12 aKZoqyj.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\...\K4EdvxRo5J.exe.log, ASCII 6->27 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 K4EdvxRo5J.exe 2 9 6->14         started        19 K4EdvxRo5J.exe 6->19         started        21 K4EdvxRo5J.exe 6->21         started        23 K4EdvxRo5J.exe 6->23         started        59 Multi AV Scanner detection for dropped file 10->59 25 aKZoqyj.exe 2 10->25         started        signatures5 process6 dnsIp7 33 smtp.scrablex.com 14->33 35 us2.smtp.mailhostbox.com 208.91.198.143, 49775, 49776, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 29 C:\Users\user\AppData\Roaming\...\aKZoqyj.exe, PE32 14->29 dropped 31 C:\Users\user\...\aKZoqyj.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 3 other signatures 14->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bac6798be56de75cadacacc1030c5e09f0dc1dc6970de721fcb21bf44b59be24/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xldhtc7fnxtvzlnmvtaqgdc6bhynyhogs4g6oip4win7is2zxysa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
282b5d50f956c8ac1dea9080f1ba21129ce937a6d234fad62e17136509ac5166
AgentTesla
3529f437801eed53684a28376fa14332cf44a3b8396e8473bccdb92bf2fedb25
AgentTesla
3b3f6d41ee6c1f630f6aa74edbe5d524fe2333a91e5234509c647432f663819f
AgentTesla
46096a5640a91cddbb2ea4d49d24f6df8e2d079f68a2559849ee9ff3a50281c3
AgentTesla
4994562a8195097940cac88cff7737d8d990189acfdc2e1bc2f0133428304593
AgentTesla
535fc42d2f30f39926f25da2b11211c6076ce166c1389df0419db06a3432b852
AgentTesla
acc15255f543d96b994795164de4cd6b136c2d84d22e13f5a01f12131853a468
AgentTesla
b26bfa277644c0c5eb8fa1a8bc4734131ab15100d81b2d5a1dc9aaee1fd2a23a
AgentTesla
d0b4a4ca3f6d68b06b3547de97b61876f2bdb4a3fd23ebfc65d4a267da63b830
AgentTesla
de8d34ec4d95a55c4cab69e6fd08db70054d9b5aad3bb8f938b4da8fb307d564
AgentTesla
+ 4'080 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210420-mkskv888rj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bac6798be56de75cadacacc1030c5e09f0dc1dc6970de721fcb21bf44b59be24

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe bac6798be56de75cadacacc1030c5e09f0dc1dc6970de721fcb21bf44b59be24

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/139633/
  
URLhaus
https://urlhaus.abuse.ch/url/1139627/
  
Delivery method
Distributed via web download

Comments