MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e
SHA3-384 hash: 4cd22d5d630e0fcb5b50d37a6751c5787064414018d8291be85e26477ec38bdc70f037bd1a005ed4e86f3b014ca91b62
SHA1 hash: 33c60f1bd94fdd0b430e76490a59613e6238b42f
MD5 hash: 95de43771e2b28ae3a5182484a7ec802
humanhash: stream-illinois-quiet-two
File name:AF-021623DB.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:696'832 bytes
First seen:2023-02-20 08:44:29 UTC
Last seen:2023-02-20 10:30:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wYaGqDSukDsv9tbCeufKb0HhCPsIWiEqkp+h87V0+UaA2Ll1RDsv9t:w9GqDSuzLufg0MPsaHkpXDUMLn
Threatray 1'037 similar samples on MalwareBazaar
TLSH T130E48CCC90F1EA3ECB498EB9371035081FE056436A20DAE6E3E5FAC26F36563199D535
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AF-021623DB.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-20 09:10:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8b7cd215-6695-474b-af44-d5e65a992eb5

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/368332/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63f3331ce6a5b4588ca1114e/reports/ba7079e0-2875-4dbb-8cab-800e5ac63070/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a98b2f3b-79d7-4e2c-b339-abbd18b08f9e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1179111
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 811935 Sample: AF-021623DB.pdf.exe Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 7 AF-021623DB.pdf.exe 7 2->7         started        11 SiRNYVUVrczbPs.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\SiRNYVUVrczbPs.exe, PE32 7->35 dropped 37 C:\...\SiRNYVUVrczbPs.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp1B4C.tmp, XML 7->39 dropped 41 C:\Users\user\...\AF-021623DB.pdf.exe.log, ASCII 7->41 dropped 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 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 AF-021623DB.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        25 2 other processes 7->25 63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 SiRNYVUVrczbPs.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 43 api.telegram.org 149.154.167.220, 443, 49697, 49699 TELEGRAMRU United Kingdom 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 192.168.2.1 unknown unknown 21->45 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e/
Threat name:
Win32.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 19:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bcuiu4orm5ahq3cbko3vfe6iuko26ykywqcswjqfvbmfjwwihfxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1bbf7e706eb2345e8fa106714f6848e2153e29e22c69ddeb9291cdb11fcc1e8b
AgentTesla
43f96a960cc901527092ae8bae99d72caf7386797888505af6aa69df82ef8dde
AgentTesla
528316d1f9bffa057f38d641fce8315af4fd93a80138027f1d0850546a0c59cc
AgentTesla
acec9cba576448399a9e351526c7daeff1dfe09ff2203cad80c28b05acbf0aa6
AgentTesla
bc10025bfecf9807247fb65f8803bb1bee2f8bea45bf1ba1dd00a952be576d45
AgentTesla
c4a313a6d301b83f26b859de2a4254fbaf6b2f0d38ca3f20f1f17c05497d945f
AgentTesla
cf8abe8ee8e73685dbb96495d8c3428f70537febddc5ae97af55a203ec4772bc
AgentTesla
fe8ad5aefb473a10223ebc4f1a2be102a064519a09137f173562f0491b4dc2aa
AgentTesla
+ 1'027 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230220-knqvashg2z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6253877019:AAFTrKgcrkOHjJ32t0IbFN0c2Qk8-Vj7dXs/
Unpacked files
SH256 hash:
5aeb51515c02615d20836ba552c31f3cdd4eb9747f1e49aeab66c2bf162ef849
MD5 hash:
a62e89c50f29d1163ac4fb7217c0fb57
SHA1 hash:
ba928f42a1094b1be79ce09c2662a87212d17b31
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
c12d2628d984c0b8071e1daa76812d8eae5cd9a18dd99eac444ba00d38977501
MD5 hash:
ec47f2cc8cb2264f192660aa1c81f96d
SHA1 hash:
50b322aa2022e5570911ceb2ca39aeaeca91e540
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
SH256 hash:
fc94e38310833361f003aa1eb5b55faaeaa4c13fd0556ed80cfb33145f9a0909
MD5 hash:
6645946f20204893f9b00eebc05ff732
SHA1 hash:
26d3e12f87e59f136fa3c59edddd42caad72b86a
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
SH256 hash:
29343d1ce852db195e0b21be952922afa20d529a32517249d16062bddb7eec91
MD5 hash:
509531ab427067cb74af5bd36733174f
SHA1 hash:
13e1d47f1c98d73f35284ad02261dfefc3a58372
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
SH256 hash:
08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e
MD5 hash:
95de43771e2b28ae3a5182484a7ec802
SHA1 hash:
33c60f1bd94fdd0b430e76490a59613e6238b42f
Link:
https://www.unpac.me/results/bb42c9be-7ae2-4671-9263-4332800ac7c6/
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/08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e

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.

Malspam

AgentTesla

Executable exe 08a88a71d16740786c4153b75293c8a29daf6158b4052b2605a85854dac8396e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/368332/

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