MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f. 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: 18


Intelligence 18 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f
SHA3-384 hash: ff221892806d8ef591ce0c8ec62f88a3ba9fd739d15857e99a3d012237e7289f1a113b7397c6a97bccb13bed9e568c79
SHA1 hash: 6929e0d85a1a556995b91479d965897f6b3cf724
MD5 hash: 7cc684ca97e43e20ca93f1bb2d157ffc
humanhash: table-hydrogen-charlie-pasta
File name:BL pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:647'680 bytes
First seen:2023-11-06 08:49:34 UTC
Last seen:2023-11-06 10:20:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tWYJOsY6k3CR7XZ+wgZ/1g1InHnUkAbJD7aUw9CbzEi:wYJOsY6k3MEwSRnUkGJDyC0i
TLSH T148D4022363C9CBA6C78706B2C4528DA0C3B57DCFE460D2399CA47D96A472F779E02752
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)
File icon (PE):PE icon
dhash icon e0e69a82a29a82a0 (21 x AgentTesla, 6 x Formbook, 1 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
BL pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-11-06 09:40:48 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/278c6d2d-40c3-4d8e-8b74-2f30fd953d7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458181/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6548a8bd993fbf888b661fe4/reports/df8a97b7-c5cf-4ed3-aeb2-7fa96f73ab1e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f
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/62f7d5cc-589e-41ee-b9a1-e09a3f6f932e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1337486
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1337486 Sample: BL_pdf.exe Startdate: 06/11/2023 Architecture: WINDOWS Score: 100 59 mail.gcsho.com 2->59 61 api4.ipify.org 2->61 63 api.ipify.org 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 7 other signatures 2->75 8 BL_pdf.exe 7 2->8         started        12 yLFizX.exe 5 2->12         started        14 Igecrv.exe 2->14         started        16 Igecrv.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\Roaming\yLFizX.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\...\tmp99D7.tmp, XML 8->57 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 BL_pdf.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        33 3 other processes 8->33 91 Multi AV Scanner detection for dropped file 12->91 25 yLFizX.exe 12->25         started        35 2 other processes 12->35 27 Igecrv.exe 14->27         started        37 2 other processes 14->37 93 Injects a PE file into a foreign processes 16->93 29 Igecrv.exe 16->29         started        31 schtasks.exe 16->31         started        signatures6 process7 dnsIp8 65 mail.gcsho.com 144.76.195.231, 49735, 49737, 49745 HETZNER-ASDE Germany 18->65 67 api4.ipify.org 104.237.62.212, 443, 49733, 49736 WEBNXUS United States 18->67 51 C:\Users\user\AppData\Roaming\...\Igecrv.exe, PE32 18->51 dropped 53 C:\Users\user\...\Igecrv.exe:Zone.Identifier, ASCII 18->53 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Tries to steal Mail credentials (via file / registry access) 18->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 39 conhost.exe 23->39         started        83 Tries to harvest and steal browser information (history, passwords, etc) 29->83 41 conhost.exe 31->41         started        43 conhost.exe 33->43         started        45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 04:26:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dtejrbt4mtcm4ifdq6rpofehuj5jdwcne4xodmyw3ov5wdocicpq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231106-krldzsab5s/
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
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
Unpacked files
SH256 hash:
a64f35bba61394415ac87c0ff18908f56e74a9b915fa94503f7df4ff7bbadddd
MD5 hash:
efbdd154dd02646549679e7639311316
SHA1 hash:
fe7ea2fa3ca73b651a79fbf1b065b973ce9d5e6b
Link:
https://www.unpac.me/results/5bf6a7fe-0af1-4958-bac9-6a9cab1b09fa/
SH256 hash:
884720aa140a9c8885a30652eb116bf207cbc3011014f4d3c4903b28fc330b1c
MD5 hash:
f01f3f06ec7386785929c1a206fac33f
SHA1 hash:
dd3aaeb7b9ecab021624ba3eba221ee0e6e1a58f
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/5bf6a7fe-0af1-4958-bac9-6a9cab1b09fa/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/5bf6a7fe-0af1-4958-bac9-6a9cab1b09fa/
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/5bf6a7fe-0af1-4958-bac9-6a9cab1b09fa/
SH256 hash:
1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f
MD5 hash:
7cc684ca97e43e20ca93f1bb2d157ffc
SHA1 hash:
6929e0d85a1a556995b91479d965897f6b3cf724
Link:
https://www.unpac.me/results/5bf6a7fe-0af1-4958-bac9-6a9cab1b09fa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cc898867c64/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/1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 1cc898867c64c4ce20a387a2f71487a27a91d84d272ee1b316dbabdb0dc2409f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/458181/

Comments