MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33
SHA3-384 hash: 5718f9b2e0bdb970606cf76761ba30e48f410ff0b4709c53cb73d8f2e309ffac9ccc7e3a0bdfc556d35ba0f004d1b257
SHA1 hash: ff05229f60680b0a4b2d8c0315823310afe3fa1a
MD5 hash: 1b76b48ed5ab267ec90e78ad7aadacee
humanhash: mars-stream-fillet-two
File name:1b76b48ed5ab267ec90e78ad7aadacee
Download: download sample
Signature AgentTesla
Create hunting rule
File size:233'157 bytes
First seen:2023-06-01 15:31:13 UTC
Last seen:2023-06-01 18:27:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6u1NljdxCuTVPtj9uHSJpfCjNvPsVWyw:/YI1rdxC25tjOawnHyw
Threatray 3'252 similar samples on MalwareBazaar
TLSH T17F341204B5F0C573D1926E711C32EA35ABF9F91224F0A78B63909B1D7A3B741E90E356
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 :
2
# of downloads :
250
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Enquiry to Subcontractors T2311.xls
Verdict:
Malicious activity
Analysis date:
2023-06-01 10:51:15 UTC
Tags:
exploit cve-2017-11882 opendir loader
Link:
https://app.any.run/tasks/9173161e-1ae2-4bf1-82d0-bcfb5cd2b202

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/394492/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22782.16459.422.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
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/88949/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6478b9f4b9bd75d40def988f/reports/6ecf2f33-8c0b-4d40-82ba-8935ed7bf858/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c862da0a-b0df-4411-8df9-20e0cf28bd78
Result
Threat name:
AgentTesla, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1246966
Signature
Found malware configuration
Installs a global keyboard hook
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
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 879998 Sample: uwXHXyCl1Q.exe Startdate: 01/06/2023 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 5 other signatures 2->50 6 kofvaqul.exe 19 2->6         started        10 uwXHXyCl1Q.exe 1 21 2->10         started        12 kofvaqul.exe 19 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\ehysuss.dll, PE32 6->22 dropped 52 Multi AV Scanner detection for dropped file 6->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->54 56 May check the online IP address of the machine 6->56 58 Machine Learning detection for dropped file 6->58 14 kofvaqul.exe 14 7 6->14         started        24 C:\Users\user\AppData\...\kofvaqul.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\ehysuss.dll, PE32 10->26 dropped 60 Maps a DLL or memory area into another process 10->60 18 uwXHXyCl1Q.exe 15 7 10->18         started        28 C:\Users\user\AppData\Local\...\ehysuss.dll, PE32 12->28 dropped 20 kofvaqul.exe 7 12->20         started        signatures5 process6 dnsIp7 30 173.231.16.76, 443, 49695 WEBNXUS United States 14->30 32 smtp.yandex.com 14->32 34 api.ipify.org 14->34 36 smtp.yandex.ru 77.88.21.158, 49693, 49694, 49700 YANDEXRU Russian Federation 18->36 38 api4.ipify.org 104.237.62.211, 443, 49692, 49696 WEBNXUS United States 18->38 40 2 other IPs or domains 18->40 62 Installs a global keyboard hook 18->62 42 2 other IPs or domains 20->42 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->64 66 Tries to steal Mail credentials (via file / registry access) 20->66 68 Tries to harvest and steal browser information (history, passwords, etc) 20->68 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-01 10:22:13 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 36 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqtl2ajvfhydns43rzl3iftctsf6ynrcesgw54froh5h756kv4zq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
207101f6912ab3d1db4eb31783037685cade90fbc6ed91dffc1c53138b8436ff
AgentTesla
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
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60230d8230a3927a13571a6c4a9373a064211251e65633f9c6c1f1881bc08d1f
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8782056d9091e507124a6a17d8b3063f8f5d9dee912c70bbaf3f7b62783d388d
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89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
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9f20125e93f217448a2a774a8470196dc28c401fdb2a2efb77455b392483eb9e
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aadd267ebc7dde803f8d0486df95ad9eb6db7f1600fb7fcc0bbba70cd26bfcd2
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bb992023216a9723d9157cacbe3f2dec846902eacce0122734d6111c85ee6309
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e1096e70a136c8e8b4a1a54512f69abc0e0f042aacf5aa023a8f4b17ca8c8a6f
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e4ca87fac85f0032cb52f65a875cb1ff2d9152dca9dadf141e7b5475132e773a
AgentTesla
+ 3'242 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/230601-sylmbsfd6v/
Behaviour
Suspicious behavior: MapViewOfSection
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
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
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
8eeca499946a044dcb403a8c8e9794c0f3da545ac3630712c56be7d87715d2cf
MD5 hash:
283e17ee0c769302738de66c6670b21b
SHA1 hash:
89524df1d091b1dc45526f985776ff4609a7840e
Link:
https://www.unpac.me/results/b4b5fba8-4058-4b38-a6b1-e52b3cfa19fe/
SH256 hash:
6d32c3566a8799637f4260dd3968a64e043bce3216d495a5352d48e0b93e3c1c
MD5 hash:
6d07ab69052754cc4b3f386d5bfdcf7f
SHA1 hash:
640abd76ffe7a37c0be8a9a24b38b6942525795a
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/b4b5fba8-4058-4b38-a6b1-e52b3cfa19fe/
Parent samples :
09b46ee5dfe774f84ff6a056441f1a0e579a24970e5e61ab47b1e9885551b946
9f20125e93f217448a2a774a8470196dc28c401fdb2a2efb77455b392483eb9e
8782056d9091e507124a6a17d8b3063f8f5d9dee912c70bbaf3f7b62783d388d
e1096e70a136c8e8b4a1a54512f69abc0e0f042aacf5aa023a8f4b17ca8c8a6f
c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33
SH256 hash:
8ba9629468649b8bd91b290c58c778e39e083b9683440d44bc481dd7f6787fb7
MD5 hash:
65a3e26f3703908a3290d0a01d190e1b
SHA1 hash:
3ac95daf3e6f840529be48e0381073dabb909ce9
Link:
https://www.unpac.me/results/b4b5fba8-4058-4b38-a6b1-e52b3cfa19fe/
SH256 hash:
c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33
MD5 hash:
1b76b48ed5ab267ec90e78ad7aadacee
SHA1 hash:
ff05229f60680b0a4b2d8c0315823310afe3fa1a
Link:
https://www.unpac.me/results/b4b5fba8-4058-4b38-a6b1-e52b3cfa19fe/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c426bd013529/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/c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33

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 c426bd013529f036cb9b8e57b416629c8bec3622248d6ef0b171fa7ff7caaf33

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2649113/
Cape
Cape
https://www.capesandbox.com/analysis/394492/

Comments


Avatar
zbet commented on 2023-06-01 15:31:14 UTC

url : hxxp://87.121.221.18/10783____/smss.exe