MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486
SHA3-384 hash: 80995ba263494d1f5b3a80263b37bf3f14976958dd1bb94b5a6e708d3ea585763cddc988ffb5e87f0513814a8b4b4c8f
SHA1 hash: f393156071066a55651abfc1acc731c58f9938b6
MD5 hash: 1a372a1cea8d5723104d7a7940059297
humanhash: arkansas-cold-mockingbird-cup
File name:Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'846'272 bytes
First seen:2021-03-04 06:23:02 UTC
Last seen:2021-03-04 08:10:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:P6dXr25vTRnmDr9IButoYIhJnfwg19O3sxcMi+NeSRLzR:P6Xg1mDRqFnn4gvO8q6Ne
Threatray 2'964 similar samples on MalwareBazaar
TLSH FD857A11A9843E21F07E5B37C7E99511D3BFEC468B03D62E28E839DE6AB1F614903617
Reporter fabjer
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-03-04 06:24:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/335306d3-0041-4b9d-ba0b-c20016cb148f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122157/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.8158.12696.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
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/628051
Signature
.NET source code contains very large array initializations
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
Injects a PE file into a foreign processes
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363010 Sample: Quotation.exe Startdate: 04/03/2021 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 7 other signatures 2->59 7 Quotation.exe 7 2->7         started        11 newapp.exe 5 2->11         started        13 newapp.exe 4 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\JVNLlBnZj.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpD79C.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 7->41 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->63 65 Injects a PE file into a foreign processes 7->65 15 Quotation.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        67 Multi AV Scanner detection for dropped file 11->67 21 schtasks.exe 1 11->21         started        23 newapp.exe 2 11->23         started        25 newapp.exe 11->25         started        27 schtasks.exe 13->27         started        29 newapp.exe 13->29         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->43 dropped 45 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->45 dropped 47 Tries to steal Mail credentials (via file access) 15->47 49 Tries to harvest and steal browser information (history, passwords, etc) 15->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->51 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-04 05:15:48 UTC
AV detection:
14 of 48 (29.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wd3xb6mmooc33qy73occtnww4mpebiafz7noxfjz7exkynl3usda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
013066864283e4be87e7bd39b6e75ef40e98014377d520ffd213a8de2d59923f
AgentTesla
05c6320af78638e70733b9880597d7d8af13aa8648a87e828711ea864cde8823
AgentTesla
3bb4ba1af57ec635228b43c11b676612091f37e15b6578fca48e9a14195a9cd5
AgentTesla
569d9358801eb518b152cb73009131508a3f14b136b0eb80025ccf438865a440
AgentTesla
68468038b5abab9eb1d779cd4a6a03abd46ca561b332c7b0a2467e177ec5e64f
AgentTesla
8392af9cff73aab10a60befd359d4ca2638d6a936071285579147303bb453497
AgentTesla
ca461421154f0bfaa9b24b0ed5ea776ddeffc9775e3fdb4da1339dcc352468c6
AgentTesla
e038eadef4d510053ac68606d65745c3de396f3d6f5a2dce11fd03d1c72c42de
AgentTesla
e064cd70ae6467ad9c0342b4750cae4fb688c56b0d904ea4091aa074e174dcf0
AgentTesla
e0ca3417eb10f895ac70bee753e9fd7e549287aad340ab3f38c75c58d27657a0
AgentTesla
+ 2'954 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/210304-lry4q74y5j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/851725eb-f7df-4b3e-891c-31276f1abed8/
SH256 hash:
b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486
MD5 hash:
1a372a1cea8d5723104d7a7940059297
SHA1 hash:
f393156071066a55651abfc1acc731c58f9938b6
Link:
https://www.unpac.me/results/851725eb-f7df-4b3e-891c-31276f1abed8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486

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.

Malspam

AgentTesla

iso df9157acd18f471551a6ca95f1453ed96e0b9e22f5c324d45088080a1c2ebb93

AgentTesla

Executable exe b0f770f98c7385bdc31fdb8429b6d6e31e40a005cfdaeb9539f92eac357ba486

(this sample)

  
Dropped by
SHA256 df9157acd18f471551a6ca95f1453ed96e0b9e22f5c324d45088080a1c2ebb93
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122157/

Comments