MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93
SHA3-384 hash: 4b5cb48be0329002eb564b6f9a5e223329a55b8c664776f6b2f6bc372a77a36fef99653e94110f3e9cf8b0dafb39b5d2
SHA1 hash: cd779025822b4a45633be4a59734858b8dd419b9
MD5 hash: 0be1c5894e7ff3044ed425a395e03737
humanhash: july-fix-low-wyoming
File name:0be1c5894e7ff3044ed425a395e03737
Download: download sample
Signature AgentTesla
Create hunting rule
File size:276'240 bytes
First seen:2023-06-29 07:33:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6vW9ehuyF+FB9Zr4smlOH9acNAxy70BZiHrs9p2K:vYFduyKXxHF0BUraz
Threatray 4'218 similar samples on MalwareBazaar
TLSH T18944120965E0D427E1F14F703EFE56B59BD8E12E106EE64E27988F0EBA73652460F311
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
306
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
0be1c5894e7ff3044ed425a395e03737
Verdict:
Malicious activity
Analysis date:
2023-06-29 07:33:48 UTC
Tags:
agenttesla rat
Link:
https://app.any.run/tasks/886a19f4-13d3-427b-b767-36a55b952ed2

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/403709/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22774.20294.396.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/94051/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/649d33ed10925f175aff9d5a/reports/6e2aee2a-d784-4fbd-a674-892424082c1d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93
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/2f6e71b9-346a-4463-840d-46a627f6d893
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1263105
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 896136 Sample: SRPukQtQ7S.exe Startdate: 29/06/2023 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 3 other signatures 2->44 6 njssoxxhdm.exe 19 2->6         started        10 SRPukQtQ7S.exe 1 21 2->10         started        12 njssoxxhdm.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\iqiol.dll, PE32 6->22 dropped 46 Multi AV Scanner detection for dropped file 6->46 48 Detected unpacking (changes PE section rights) 6->48 50 Detected unpacking (creates a PE file in dynamic memory) 6->50 60 2 other signatures 6->60 14 njssoxxhdm.exe 14 2 6->14         started        24 C:\Users\user\AppData\...\njssoxxhdm.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\iqiol.dll, PE32 10->26 dropped 52 Detected unpacking (overwrites its own PE header) 10->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->54 56 May check the online IP address of the machine 10->56 18 SRPukQtQ7S.exe 15 2 10->18         started        28 C:\Users\user\AppData\Local\...\iqiol.dll, PE32 12->28 dropped 58 Maps a DLL or memory area into another process 12->58 20 njssoxxhdm.exe 12->20         started        signatures5 process6 dnsIp7 30 api.ipify.org 14->30 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Tries to steal Mail credentials (via file / registry access) 14->64 66 Tries to harvest and steal browser information (history, passwords, etc) 14->66 32 api4.ipify.org 104.237.62.211, 443, 49709, 49713 WEBNXUS United States 18->32 34 mail.avanteixim.com 162.241.27.28, 49710, 49714, 587 UNIFIEDLAYER-AS-1US United States 18->34 36 3 other IPs or domains 18->36 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-29 00:44:36 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 36 (61.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5okq4iw3zbelfundtwhemg5hss6ho5gro7rea3gwh2stgae72jq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
14d465836d5f7bbdf0a769e8dec53c1a604dae8dd188b83c8e3e39133c420d73
AgentTesla
207101f6912ab3d1db4eb31783037685cade90fbc6ed91dffc1c53138b8436ff
AgentTesla
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
AgentTesla
38b7e813402447704258ca274ea142fc05f52da70913bbd3d31392a855287f8e
AgentTesla
77644c9d032645a91eb6b269e9fe3abd3c5821a7911d5214dd295f2c49e448d1
AgentTesla
8729ea2e975594942343d1407bd47345daa356b354986bbc6efe9a86fbd3ca19
AgentTesla
91a7a9da0f5b9adfa5b7f1b3a296b3ad453c00b050a18b3ddd99f693d4962be3
AgentTesla
9ea3cfe9f3453a21a9777b1418ce96d4e90c161bd3eab7acaaee1fd98bb50371
AgentTesla
bb992023216a9723d9157cacbe3f2dec846902eacce0122734d6111c85ee6309
AgentTesla
+ 4'208 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/230629-jd4gzacd35/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
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:
aa45c2fb8428357a4b86f235039f28f3315930c2539d7dab660628504587b527
MD5 hash:
98cdcb1bfaf881ca123b82ff109cef36
SHA1 hash:
ae165998074d7169046ddbc6a4cd8f253cf84eaa
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
e02f5d72495f4f321c9b4b870ee004d598917e93eed2c2cdb5b93a269bdc15e7
MD5 hash:
148b3c1871d15b9a627dbfc2488060ca
SHA1 hash:
9f5b05a00d9c611b1874099e2f9258a432beb5d9
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
118df1c3855bd3efc84a8bd644b58d49d403020b71fdf0e966b1c57fc8082937
MD5 hash:
4b54e60a5438476f05683f87fd102cb9
SHA1 hash:
2e418951229c6c9c9722e4450b50c6819ff15ae2
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
aa45c2fb8428357a4b86f235039f28f3315930c2539d7dab660628504587b527
MD5 hash:
98cdcb1bfaf881ca123b82ff109cef36
SHA1 hash:
ae165998074d7169046ddbc6a4cd8f253cf84eaa
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
aa45c2fb8428357a4b86f235039f28f3315930c2539d7dab660628504587b527
MD5 hash:
98cdcb1bfaf881ca123b82ff109cef36
SHA1 hash:
ae165998074d7169046ddbc6a4cd8f253cf84eaa
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
e02f5d72495f4f321c9b4b870ee004d598917e93eed2c2cdb5b93a269bdc15e7
MD5 hash:
148b3c1871d15b9a627dbfc2488060ca
SHA1 hash:
9f5b05a00d9c611b1874099e2f9258a432beb5d9
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
e02f5d72495f4f321c9b4b870ee004d598917e93eed2c2cdb5b93a269bdc15e7
MD5 hash:
148b3c1871d15b9a627dbfc2488060ca
SHA1 hash:
9f5b05a00d9c611b1874099e2f9258a432beb5d9
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
118df1c3855bd3efc84a8bd644b58d49d403020b71fdf0e966b1c57fc8082937
MD5 hash:
4b54e60a5438476f05683f87fd102cb9
SHA1 hash:
2e418951229c6c9c9722e4450b50c6819ff15ae2
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
118df1c3855bd3efc84a8bd644b58d49d403020b71fdf0e966b1c57fc8082937
MD5 hash:
4b54e60a5438476f05683f87fd102cb9
SHA1 hash:
2e418951229c6c9c9722e4450b50c6819ff15ae2
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
SH256 hash:
275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93
MD5 hash:
0be1c5894e7ff3044ed425a395e03737
SHA1 hash:
cd779025822b4a45633be4a59734858b8dd419b9
Link:
https://www.unpac.me/results/ca61c889-a780-4e5e-b854-607892937fa8/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/275ca87116de/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 275ca87116de4245968d1cec7230dd3ca5e3bba68bbf120366b1f5299804fe93

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2673691/
Cape
Cape
https://www.capesandbox.com/analysis/403709/

Comments


Avatar
zbet commented on 2023-06-29 07:33:12 UTC

url : hxxp://198.23.156.244/soft1.eXE