MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1
SHA3-384 hash: 5e1e5257b5f048312a41a4bdc850662176090d7e9921fe4d26b991654650f774531fd5b460526d0b538472a49a9eed40
SHA1 hash: 367a8e5bd925ab237b55cc757281110c8ac6c106
MD5 hash: 846eb391b3c954776e1fed7d77fceb17
humanhash: hydrogen-angel-eight-carolina
File name:846eb391b3c954776e1fed7d77fceb17
Download: download sample
Signature AgentTesla
Create hunting rule
File size:192'118 bytes
First seen:2023-05-15 06:34:29 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 3072:3fY/TU9fE9PEtu0bsRKJRSeuLK4/bnmH6khiS5ACzdCqWqHjcgi18+vnV6ZYEEbQ:vYa6I5nzun/bhhS/dtHjQ9vV6CL8
Threatray 2'765 similar samples on MalwareBazaar
TLSH T1ED14121C67B4C9B7C9532AB3BA397B157FDA1A0D20B8674B13041758BE35782E90E363
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 :
243
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.xls
Verdict:
Malicious activity
Analysis date:
2023-05-15 06:06:04 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/c5f747af-7df3-4e38-83da-fdc3d7b2ba96

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/389956/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22779.17334.3818.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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
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/84608/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6461d297edcf46739b7d1d21/reports/e4ee454e-6fca-4b49-9722-704f4a2ea6d0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a8205256-118a-4655-ab65-b536950940d7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1233432
Signature
Detected unpacking (creates a PE file in dynamic memory)
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
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 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: 866411 Sample: aUHD0Ljb7b.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 6 other signatures 2->40 6 gclhqa.exe 19 2->6         started        10 aUHD0Ljb7b.exe 1 21 2->10         started        process3 file4 18 C:\Users\user\AppData\Local\...\anzlf.dll, PE32 6->18 dropped 42 Multi AV Scanner detection for dropped file 6->42 44 Detected unpacking (creates a PE file in dynamic memory) 6->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->46 48 Machine Learning detection for dropped file 6->48 12 gclhqa.exe 14 2 6->12         started        20 C:\Users\user\AppData\Roaming\...\gclhqa.exe, PE32 10->20 dropped 22 C:\Users\user\AppData\Local\...\anzlf.dll, PE32 10->22 dropped 50 May check the online IP address of the machine 10->50 52 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->52 54 Maps a DLL or memory area into another process 10->54 16 aUHD0Ljb7b.exe 15 2 10->16         started        signatures5 process6 dnsIp7 24 104.237.62.211, 443, 49694 WEBNXUS United States 12->24 26 api.ipify.org 12->26 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->56 58 Tries to steal Mail credentials (via file / registry access) 12->58 60 Tries to harvest and steal browser information (history, passwords, etc) 12->60 28 api4.ipify.org 173.231.16.77, 443, 49692 WEBNXUS United States 16->28 30 api.telegram.org 149.154.167.220, 443, 49693, 49695 TELEGRAMRU United Kingdom 16->30 32 api.ipify.org 16->32 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-15 05:07:30 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d37qkc5p7a5oetbtja7f26nfruwkgnylq4ldgkwirqohaqzyyoyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0007f855c65b913a538d9a7680c5078dcdf8f49e26f37a130ec982c275bb693b
AgentTesla
2463a1d5e35dde5253c9706b07f3eef1166488a56437dc94c816a269770f8073
AgentTesla
4b3b2e33768b07e48c7b2a32ec2e0f0fcd94b2062170b975f5324d77d28105a2
AgentTesla
96e6b35af2596dc6f5f0b48d49d46cba147ece46616be5aa59e74f18ef3554e0
AgentTesla
9f7bc16e3e1f2dd542f8de4d732c19b89e54a7e0924b36274f087aa329359767
AgentTesla
d37ac5f67be37a7cd0fa09b2d0ffb1e5190caf1abbb2183fd00b0c7a35a204b1
AgentTesla
de673c6577604d1036c5df6d67d9f5f9010eeb367a43ec7712b5614f70b725cd
AgentTesla
fc8c6d3dafa922ac0493c26e96e337563b1beaa46e1725ed1799ac5a46ceabcd
AgentTesla
+ 2'755 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/230515-hcbvwshd8v/
Behaviour
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
UPX packed file
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/
Unpacked files
SH256 hash:
5deba60452da903ca0b455a35825747dcf2f90159851b32c84d1ffbc08ba3c25
MD5 hash:
3f3647a97d79563b952fe664129b1ff9
SHA1 hash:
4ef92c62ab298689c6541fcccc22ad959e221479
Link:
https://www.unpac.me/results/a65b7460-cb45-46cd-abde-32518b50bcbc/
SH256 hash:
8b6897340984e35dba937364681bd98592594774504daf0a724c843c00b95341
MD5 hash:
3a566b5e883a0c0cdfe09cd5d64bce6f
SHA1 hash:
9cbdec781d7aabbe6286474833877aa6ca030951
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/a65b7460-cb45-46cd-abde-32518b50bcbc/
Parent samples :
02e5efb34c7a49fdfa2aa6e1399060c94f2de759c15040aaea1499062a3f9901
2463a1d5e35dde5253c9706b07f3eef1166488a56437dc94c816a269770f8073
00b4678b94d884d5638bd270ed0c42f20697ebb1ba2746d14b45515da43bd3b7
1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1
bebd0c5009a5b0b0a06fbe0020bd6f083ed90509771dbf1f8010e19e527bf464
b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a
1ce24db77fddb5022011d0407f93d6217b84ad6e18bf9be127bd8d2808423b73
8eb1f5551a27d2fe1366393c4fc787ebf70dd0d394e1d229bd8a5ba34f418bb3
da59dd1b2e20e25f770267c503b455d48c710a285721f78ab1a8070200d67261
7e2c9879e89b79edbda3e04321d02030f94543d6766fc4a4474df65537bbac75
801b442b0666a9911fdbd15b4ef325314af7b9459c10da89a4568088cc1a9ee2
SH256 hash:
364a086887c06611e125051653df854fe4c734ea13caaf448b9dd59ae2c9ad87
MD5 hash:
85995e2504cafcdd4d1d196f517df97d
SHA1 hash:
0a605a867a1e59002d425be5a442baf313505ea1
Link:
https://www.unpac.me/results/a65b7460-cb45-46cd-abde-32518b50bcbc/
SH256 hash:
1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1
MD5 hash:
846eb391b3c954776e1fed7d77fceb17
SHA1 hash:
367a8e5bd925ab237b55cc757281110c8ac6c106
Link:
https://www.unpac.me/results/a65b7460-cb45-46cd-abde-32518b50bcbc/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1eff050baff8/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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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 1eff050baff83ae24c33483e5d79a58d2ca3370b8716332ac88c1c704338c3b1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/389956/
  
URLhaus
https://urlhaus.abuse.ch/url/2632302/

Comments


Avatar
zbet commented on 2023-05-15 06:34:34 UTC

url : hxxp://198.23.188.135/grt.exe