MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f
SHA3-384 hash: 0495c9c1069b1b953c5dfae25bf9ed9f56bc5d250999ad4cf7351fb1fee3b8300f91d27291c2fdf8a4c2a8fdb0326021
SHA1 hash: 03869d19f359b1aa0c0574e08f943b131958b441
MD5 hash: 4d0e331deaa258bc549b39550d7b2d48
humanhash: stream-skylark-solar-hydrogen
File name:offer number UC23070.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:876'544 bytes
First seen:2023-05-19 12:25:24 UTC
Last seen:2023-05-20 15:17:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:6P0tj6tVhE8cqiuo6NTsB3hgwLvt/W32:6P0V6tVq4q69sB3hJ/82
Threatray 1'529 similar samples on MalwareBazaar
TLSH T1B415F1D116A44810E2AAAFB98AB3F23853746C51EB63D30924F02D973D77E977A017C3
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon e869f1f070f03054 (8 x Formbook, 7 x AgentTesla, 4 x Loki)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
245
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
offer number UC23070.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 12:27:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/237a69ec-f253-4b78-a380-8bf037237d46

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.7062.5942.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64676adb6afc92605683db29/reports/41c4d6c4-d3e9-4026-a30a-bb4f61a96ec8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f
Result
Verdict:
UNKNOWN
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/0412b72b-812f-4c7d-b767-93c6b5570ba8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1237178
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 870175 Sample: offer_number_UC23070.exe Startdate: 19/05/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 6 other signatures 2->56 7 offer_number_UC23070.exe 7 2->7         started        11 rUwyTLSpADCkdL.exe 5 2->11         started        process3 dnsIp4 34 C:\Users\user\AppData\...\rUwyTLSpADCkdL.exe, PE32 7->34 dropped 36 C:\...\rUwyTLSpADCkdL.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp44CB.tmp, XML 7->38 dropped 40 C:\Users\...\offer_number_UC23070.exe.log, ASCII 7->40 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 14 offer_number_UC23070.exe 2 7->14         started        18 powershell.exe 21 7->18         started        20 schtasks.exe 1 7->20         started        26 2 other processes 7->26 42 192.168.2.1 unknown unknown 11->42 64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Injects a PE file into a foreign processes 11->68 22 rUwyTLSpADCkdL.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        file5 signatures6 process7 dnsIp8 44 strictfacilityservices.com 111.118.212.38, 49695, 49696, 587 PUBLIC-DOMAIN-REGISTRYUS India 14->44 46 mail.strictfacilityservices.com 14->46 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        48 mail.strictfacilityservices.com 22->48 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 32 conhost.exe 24->32         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-19 04:22:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qquea3w2nw2vlanjgtimu24jfznovlkycf2osb5qfpgi4sgwfahq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ef06a3a72f386e4e45322d50c656c356672dbfd0bdf2a9332c8705c47c8bf1d
AgentTesla
1250f968f4c4db1b73b64223fcb95958b3c324afb330daf88d9379d2cdaeb2ce
AgentTesla
1680422c807dbbb8686d36461be752fbb2ad0d75d48711de16f85eb72d977203
AgentTesla
2d2e43cbbe4c81767774ac3eea5e5f199b1ad6233e4670f3c250ccb6cb7817cd
AgentTesla
5190da5fffe0094c06dee97bbcf1e4446e1428c1bc956d21875f3cb5a04625d6
AgentTesla
ec2832608abf213a2a622dba1ec894e80b2adfc3d0eb03ee783fa2df47dc6bf0
AgentTesla
fc25fc39a2466760367fa55e0885ac65ae43395d8918e3ee5f3e4c094cdea58c
AgentTesla
+ 1'519 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230519-pl66qagf31/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
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:
6f442bf39fcab2e3c06ece7fe58c000eed9f3792f52d82b3f0af8715c5a63b62
MD5 hash:
7d5eb92d639bdd71000b2d500773e710
SHA1 hash:
ae5c1da6cc5f67f55b3dce6b5a63a9a7af1202c1
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
93f18a8cf4f161fd0816eab7c1d8fd45a40122f08dba49885851a1dba02c1a72
MD5 hash:
a96b1b45ba692a647163c28f4be4756f
SHA1 hash:
2ce8816da01d1fb3cf0f45d1a5d6aac5e2d424e0
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
Parent samples :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 hash:
b178430918654661133e3cc86f68618dac7c1a56092e89c8d474cf3f05390a23
MD5 hash:
a74d4ff639d43c44d7dcf925dfc3b2d1
SHA1 hash:
1db08e8f485ac81d554e836a784589ab4cee8486
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
SH256 hash:
97965e7995a37a8d23d9cc992a99b8bcb2097aa9887945765e7e3ac07f5b3627
MD5 hash:
414fcbb031f55b8112f90f7a8a38bbef
SHA1 hash:
02a1625780c83513e4b658c60591fdec1741c4f7
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
SH256 hash:
8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f
MD5 hash:
4d0e331deaa258bc549b39550d7b2d48
SHA1 hash:
03869d19f359b1aa0c0574e08f943b131958b441
Link:
https://www.unpac.me/results/cc560b7a-337b-4a96-be41-b5927be2e881/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8428406eda6d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f

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: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

zip 5618c10e74a619d5874b1e30a6042fbb3816f16f787f3d85254c3f7531bbc177

AgentTesla

Executable exe 8428406eda6db55581a934d0ca6b892e5aeaad581174e907b02bcc8e48d6280f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5618c10e74a619d5874b1e30a6042fbb3816f16f787f3d85254c3f7531bbc177
  
Dropped by
MD5 583c8c66af398c49a416a807f80fdaa8

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