MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb
SHA3-384 hash: 124e22238f33f87ec6d3dc78295e173e3c4f3e3671700b649744e7c60401d06cf81febb0a6325e818779b1348c96dc0b
SHA1 hash: a94c8647111b6ec93431326f058ecb0d3b1748c8
MD5 hash: 04820741c7c5cb7794f8947f86742430
humanhash: ohio-florida-crazy-lactose
File name:04820741c7c5cb7794f8947f86742430
Download: download sample
Signature AgentTesla
Create hunting rule
File size:863'232 bytes
First seen:2022-11-24 07:36:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:KmEYsZ1DX/VDJtV7H4JRIGo5b7B6eOVt0TKODNGqDxWEacybD:BEYkj4JRyb7BIbODNG4xWN
Threatray 22'618 similar samples on MalwareBazaar
TLSH T17D05F78B1FF30E84FB5E3670188FD7441ED3386148B49CA61A715AE729035BBD6922ED
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
TTXCopy23112022.xls
Verdict:
Malicious activity
Analysis date:
2022-11-23 17:40:12 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/ff3f6a16-6e21-4857-942c-0bf30ff60abc

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/337962/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1617.1153.5088.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637f1f1f94f9bac087b3341c/reports/ccb18b11-9bdb-4c75-9d5f-86cef7a59170/overview
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55772412-3687-48f7-b0f1-f6b9fa1cd418
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120337
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753054 Sample: rA1SyRXvg3.exe Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 6 other signatures 2->79 7 rA1SyRXvg3.exe 7 2->7         started        11 bwZvp.exe 2->11         started        13 elbcILTIh.exe 5 2->13         started        16 bwZvp.exe 2->16         started        process3 dnsIp4 49 C:\Users\user\AppData\Roaming\elbcILTIh.exe, PE32 7->49 dropped 51 C:\Users\...\elbcILTIh.exe:Zone.Identifier, ASCII 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmp416B.tmp, XML 7->53 dropped 55 C:\Users\user\AppData\...\rA1SyRXvg3.exe.log, ASCII 7->55 dropped 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->93 95 May check the online IP address of the machine 7->95 97 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->97 103 4 other signatures 7->103 18 rA1SyRXvg3.exe 17 6 7->18         started        23 powershell.exe 18 7->23         started        25 schtasks.exe 1 7->25         started        27 rA1SyRXvg3.exe 7->27         started        99 Multi AV Scanner detection for dropped file 11->99 101 Machine Learning detection for dropped file 11->101 29 bwZvp.exe 11->29         started        31 schtasks.exe 11->31         started        71 192.168.2.1 unknown unknown 13->71 33 elbcILTIh.exe 13->33         started        35 schtasks.exe 1 13->35         started        file5 signatures6 process7 dnsIp8 57 us2.smtp.mailhostbox.com 208.91.199.225, 49697, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->57 59 api.ipify.org.herokudns.com 3.220.57.224, 443, 49696, 49698 AMAZON-AESUS United States 18->59 61 api.ipify.org 18->61 45 C:\Users\user\AppData\Roaming\...\bwZvp.exe, PE32 18->45 dropped 47 C:\Users\user\...\bwZvp.exe:Zone.Identifier, ASCII 18->47 dropped 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->81 83 Tries to steal Mail credentials (via file / registry access) 18->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->85 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        63 208.91.199.223, 49700, 587 PUBLIC-DOMAIN-REGISTRYUS United States 29->63 69 2 other IPs or domains 29->69 87 Tries to harvest and steal ftp login credentials 29->87 89 Tries to harvest and steal browser information (history, passwords, etc) 29->89 91 Installs a global keyboard hook 29->91 41 conhost.exe 31->41         started        65 208.91.199.224, 49701, 587 PUBLIC-DOMAIN-REGISTRYUS United States 33->65 67 api.ipify.org 33->67 43 conhost.exe 35->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-23 17:54:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6b6yhe5zod276kzi52jm6nityrygwjoxfz3fatuwd4bxbaneh5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
04cf3f919160184c1bf06b2b2206d4f06499e377f821908b36c03e15de6d5ab2
AgentTesla
050f3d23f59375261c93f01e73d08cf2afb9d84363aac0289525dbb17049d7ba
AgentTesla
194b21139e3a9a343c63617ad33ee48abdfa1566a4302a04b65df43888395400
AgentTesla
31602473d531ad4d07ab7c5ef1a75f8c3d594fd626fb279028f37350cf91e5f3
AgentTesla
81f5eecb34f22bd640cee738295303153d9afda2a35e365d061d058fbbfed498
AgentTesla
a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
AgentTesla
fe106c74f3eeef6d52fd27e83aea992b37896aaceb6ac5b969a9cfaf096c9d54
AgentTesla
+ 22'608 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221124-jftesahb94/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f7641610-f0ef-4960-b021-1cad09ece5f8
Unpacked files
SH256 hash:
3c991a72c8e047741d335988afa4abdce606075f3dcc82ed1567c5d583a8edc1
MD5 hash:
4232101413dc24d4c6a68f9be716daa2
SHA1 hash:
f4d118c377b5d64d535089e6750123f6f768379f
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
SH256 hash:
06d9ce932db247d0b3b7314e238b31611d54c9e9c28ace471df70cccc27d51fa
MD5 hash:
cc9e3742372a8440673175f9878014b4
SHA1 hash:
9b3a7c417bf93904be49980b6e31c4d5cdce2767
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
SH256 hash:
21c7a9dcce36ef674c644982f0f8bbc52a7b3ec8c884c7ddb8352aee36f4fd2c
MD5 hash:
d9b5e9976a0c3013aa8a179f08c719ba
SHA1 hash:
73bf54bc445be6ee1366f60b8130a88b60338e1c
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
SH256 hash:
c653bd14e676b23659adfa61300302cd20d495780785d821c9f2fc3d65e5c406
MD5 hash:
51127c3b55fb7e3c8d413453e24fdbd8
SHA1 hash:
1f556044cb76de59efff2c7e139386c8a7ad05ab
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
SH256 hash:
af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb
MD5 hash:
04820741c7c5cb7794f8947f86742430
SHA1 hash:
a94c8647111b6ec93431326f058ecb0d3b1748c8
Link:
https://www.unpac.me/results/63e7e8f8-bd3a-45ed-8323-080ceffdd995/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af83ec1c9dcb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe af83ec1c9dcb87aff95947749679a89e2383592eb973b28274b0f81b840d21fb

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2431901/
Cape
Cape
https://www.capesandbox.com/analysis/337962/

Comments


Avatar
zbet commented on 2022-11-24 07:36:13 UTC

url : hxxp://104.168.45.17/130/vbc.exe