MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5. 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 4 File information Comments
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SHA256 hash: a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5
SHA3-384 hash: 569ee70e66ab16dec319ab4987505eae3e85aae44f5da5ce02794bb67b2667d94d6cf7c907878473e9d9f769e7d52a12
SHA1 hash: 8259f6e18a885cff8743626b969c038666fdd940
MD5 hash: f4be6aa8c44138ffb6cc53dd8fa1cab2
humanhash: apart-chicken-ack-bluebird
File name:SecuriteInfo.com.Trojan.PackedNET.2270.20735.14818
Download: download sample
Signature AgentTesla
Create hunting rule
File size:650'752 bytes
First seen:2023-11-28 04:15:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:SL4lrrrxpjW9gtaSdodqyQvC/7SE1f5vO38QsOo09CgkYXYwC7dp:K4lXNdW9GoQ5E1dKBs5KrkYfCX
TLSH T1D8D42219A34C09A7C6748AFE64A41105D735E4E33E91FBD6CD8A92F7CAD3B810B45B0B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460830/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2270.20735.14818.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP 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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656569856d4756846dc367a8/reports/a4d17aaa-fb48-430d-8eab-19f0d880773f/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5
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/91c0ae04-95cc-4f1d-bc32-13b762e6ddb2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349029
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Sample uses string decryption to hide its real strings
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349029 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 47 mail.amtechcards.com 2->47 49 amtechcards.com 2->49 51 2 other IPs or domains 2->51 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 10 other signatures 2->65 8 SecuriteInfo.com.Trojan.PackedNET.2270.20735.14818.exe 7 2->8         started        12 syBFclJ.exe 5 2->12         started        14 My App.exe 2->14         started        16 My App.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\syBFclJ.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpEB80.tmp, XML 8->45 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Writes to foreign memory regions 8->79 81 Adds a directory exclusion to Windows Defender 8->81 83 Injects a PE file into a foreign processes 8->83 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        85 Antivirus detection for dropped file 12->85 87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 91 Allocates memory in foreign processes 12->91 27 RegSvcs.exe 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 53 amtechcards.com 64.188.2.244, 49733, 49737, 587 ASN-QUADRANET-GLOBALUS United States 18->53 55 api4.ipify.org 173.231.16.77, 443, 49731 WEBNXUS United States 18->55 41 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->41 dropped 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->69 71 Tries to steal Mail credentials (via file / registry access) 18->71 35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        57 104.237.62.212, 443, 49735 WEBNXUS United States 27->57 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->75 39 conhost.exe 29->39         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-28 04:16:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u22ffysshrv2coc53lpnvf5puuojkh7mrwhohgwpf76o22fds22q._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/231128-evta4sfc5v/
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
AgentTesla
Unpacked files
SH256 hash:
7b1e678c7c4eee7e46e6cfbd53bb95989e81b129d289bca515545a19a6e02a58
MD5 hash:
69d3955a4822a33a3019d1c11458205b
SHA1 hash:
de29084906a9d27fb055e35d4b9615fc4d357093
Link:
https://www.unpac.me/results/c090444d-7653-4651-9106-ed78cb65486b/
Parent samples :
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0ace
14f4fe0a5de3161df5631f5f50d4caf56f29e6a6a26c536ac6956944d8883b0e
9289314aab6aaed64dae4f685d00bf936b7e43f03105a88e5ec457b82261e41e
486d2fae164dfd24b2d443ffd775d83f33136a746bded12f3e05cade26bacd24
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/c090444d-7653-4651-9106-ed78cb65486b/
SH256 hash:
4ce538e63a74373cb51f0c3aa5569c0bf5c6e58052264ea4ab3fc6d1cabad339
MD5 hash:
478d49c0cc871572c9969311eebfcc6d
SHA1 hash:
ab0148d42f2c383663038bb3ef0285d56ea2fd48
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_bytecodes_sep_2023
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/c090444d-7653-4651-9106-ed78cb65486b/
Parent samples :
ac89b1793f4bcf33b007eb2c682afd7086bc0d493c95650148674ee85da540de
db19c9886fae3d7d0b1fa2afe5918fec9e993b31775d8520a523dc9653fcbad8
ccfe18e731f5ae4678feb7154097e80ef78905f861d3eb207040f4319f783ef6
a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5
95598427818779308437272ced1a1a8e293da280290791c15721d4a5b3e25fb0
9fd0c32521c7d152ba2b6d68f90cc43f6ead072c6030601ae0724889debe4234
SH256 hash:
955ca9398351c306caa46f79eb970041e3c5068a71078194324e09e1d5ddeb33
MD5 hash:
d41f2ac1501023ce6ea6610f1fe018d0
SHA1 hash:
44261eadfadb2169b8d2d32757a8dd7670ad17af
Link:
https://www.unpac.me/results/c090444d-7653-4651-9106-ed78cb65486b/
SH256 hash:
a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5
MD5 hash:
f4be6aa8c44138ffb6cc53dd8fa1cab2
SHA1 hash:
8259f6e18a885cff8743626b969c038666fdd940
Link:
https://www.unpac.me/results/c090444d-7653-4651-9106-ed78cb65486b/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a6b452e2523c/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/a6b452e2523c6ba1385ddadeda97afa51c951fec8d8ee39acf2ffced68a396b5

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/460830/

Comments