MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8
SHA3-384 hash: 538f7efbce8f3eb413b1c87feeb8034c35be0a02172c440a4fe1ad73b1dfee86386fd121c3c48bee253ebe1f647a9878
SHA1 hash: b88001a5ba9bd39355cce5dd7a016e6e6786b24d
MD5 hash: a661b39790b1d2f6a3d00305997858d2
humanhash: low-cola-timing-rugby
File name:Swift copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:665'088 bytes
First seen:2023-04-17 21:17:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:rkI0pW48+hNknKT7GJejOtysczjLdhys//HzrgML3OEfKvajdC8QiRwfliadEIPi:r617GJrYvXLdhys3TrgMrOEff5C8QiK0
Threatray 2'174 similar samples on MalwareBazaar
TLSH T163E48D2D1D8F4262E179EBB19BE08034F6ED8053771BBD6FA8C225C44B12982F9CD56D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0341a1c1d9a9a9a (3 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift copy.exe
Verdict:
Malicious activity
Analysis date:
2023-04-17 21:19:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6d253fed-72c5-4835-871a-1e29f521f7df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/382873/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.9993.22923.25119.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/643db78b46e0911fda9eb814/reports/ec34307c-44fe-4208-91cf-73c0808d53e2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8
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/03051bab-eeea-403f-b572-e6c98e2a4027
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215524
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 848452 Sample: Swift_copy.exe Startdate: 17/04/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 7 Swift_copy.exe 6 2->7         started        12 UijEtwRyxpctgd.exe 5 2->12         started        process3 dnsIp4 34 192.168.2.1 unknown unknown 7->34 28 C:\Users\user\AppData\...\UijEtwRyxpctgd.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Local\Temp\tmp537.tmp, XML 7->30 dropped 32 C:\Users\user\AppData\...\Swift_copy.exe.log, ASCII 7->32 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 7->54 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 14 RegSvcs.exe 15 2 7->14         started        18 schtasks.exe 1 7->18         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 20 RegSvcs.exe 2 12->20         started        22 schtasks.exe 1 12->22         started        file5 signatures6 process7 dnsIp8 36 api4.ipify.org 64.185.227.155, 443, 49705 WEBNXUS United States 14->36 38 api.telegram.org 149.154.167.220, 443, 49706, 49709 TELEGRAMRU United Kingdom 14->38 40 api.ipify.org 14->40 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->66 68 May check the online IP address of the machine 14->68 24 conhost.exe 18->24         started        42 104.237.62.211, 443, 49707 WEBNXUS United States 20->42 44 api.ipify.org 20->44 70 Tries to steal Mail credentials (via file / registry access) 20->70 72 Tries to harvest and steal browser information (history, passwords, etc) 20->72 74 Installs a global keyboard hook 20->74 26 conhost.exe 22->26         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8/
Threat name:
ByteCode-MSIL.Trojan.Olock
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 10:18:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whufedjgaudf2trtsml2pynfglrqs2mcgnb36lxsixesfx53fwua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0543d3e6b17798c68a8f2442b5d2bc1a2407dbdabd0c82ba7c8ddcde3488f662
AgentTesla
062d63753da1e0a1bb4af007aec07aa637cb682ae22c5bd933115340656739b7
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2e586ca0465bc9ea67899118a6256b25c9603e45d416c2fe9b6e6c9f30b6375a
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795d861d9411ea359cd6d19ca0f94f15a600e1ab1dff4d7c0e59755065b6babe
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7d382b07319f3666cb6072d419a7174fbb0b05727c455333e8ab7bd8ea38b65a
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dcbf2a46595f5714137faa5d4950067eb1b1e5259c2bce2a75f853a73303d45f
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f4d76f6893e4996666f0bbb670ad59bfd7201356080b213015621449c0aa2710
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fb4970aab2552b6caafb04168d6c49c3c6db794f8cfffac56a5d5b4bff3609a2
AgentTesla
+ 2'164 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/230417-z5k3pshg81/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5818759233:AAFI7OlL_xF1C_H7nxAtSweMNNwegCdZOXs/
Unpacked files
SH256 hash:
9b3601fd7960e014c8ac5419b75c49a8add8ca5d6c5bedbcd40c36af10d30b4d
MD5 hash:
6b82943c78a9e7339a466acbc9bf7b65
SHA1 hash:
9b721424468fc4548a4c06c4653b421dd20e1155
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/d6718577-656d-4433-9878-0a19c03f0979/
Parent samples :
b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8
3adbcfa900364fea063868cc98203914a5415b75408e02883b2c22ab365ea5be
7197cfed2cff1f8c3191d46ca165b089cd7d1d46ec91d5536a70da23b361c03d
SH256 hash:
4a3bcec2d7228fd2128ae74dfe2d653ce4c3f2838013da2f413a353602251aa5
MD5 hash:
36e84ea86d65b3f5623bf3bb414379b0
SHA1 hash:
644d99f6a20233a0619296d458c0738fd1201638
Link:
https://www.unpac.me/results/d6718577-656d-4433-9878-0a19c03f0979/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/d6718577-656d-4433-9878-0a19c03f0979/
SH256 hash:
b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8
MD5 hash:
a661b39790b1d2f6a3d00305997858d2
SHA1 hash:
b88001a5ba9bd39355cce5dd7a016e6e6786b24d
Link:
https://www.unpac.me/results/d6718577-656d-4433-9878-0a19c03f0979/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1e8520d2605/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8

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: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: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

Executable exe b1e8520d2605065d4e339317a7e1a532e30969823343bf2ef245c922dfbb2da8

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/382873/

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