MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa
SHA3-384 hash: 83b2711cb9ebf89e6adfdd493238f9f1483a4f55e252359e65efe9f161bb0bcc707225e20de806e7f213444331f124ca
SHA1 hash: e5a7779c88a1be9983777b40dddf627931cad1dd
MD5 hash: f604cea093ebafa062764045453ab7f0
humanhash: river-vermont-hawaii-mars
File name:rWGybL2rphOiekHk.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:535'040 bytes
First seen:2023-04-13 12:16:36 UTC
Last seen:2023-04-13 12:33:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:dqTfdvfC1D+e9DWFkeJWpDmIxWXmf/CCXzb0dgoYalzRdy6EQ8PMr7HtS4yIpjNP:dyfCH9DquDT1X8dD7lX2QN8sj40of2
Threatray 200 similar samples on MalwareBazaar
TLSH T1C0B4022F1378DF92F14C173474544C403A75A284E1B8AE2C58A263AB9EFAFD6206D7D7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
249
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rWGybL2rphOiekHk.exe
Verdict:
Malicious activity
Analysis date:
2023-04-13 12:17:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/94e2e01a-3ffe-4186-a582-2e9d3ac5a269

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/381993/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Porcupine.Backdoor.MSIL.Remcos.gen.113308.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed remcos unsafe
Link:
https://www.filescan.io/uploads/6437f2c059a1287810bc0a49/reports/b004d758-41e7-4bb4-8e34-4619a83cecce/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa
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/faf9ab1d-c7c9-4a59-aaf9-c9290d831745
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1213228
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 846156 Sample: rWGybL2rphOiekHk.exe Startdate: 13/04/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 7 rWGybL2rphOiekHk.exe 7 2->7         started        11 IaQQhe.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\IaQQhe.exe, PE32 7->31 dropped 33 C:\Users\user\...\IaQQhe.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp1121.tmp, XML 7->35 dropped 37 C:\Users\user\...\rWGybL2rphOiekHk.exe.log, ASCII 7->37 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 69 2 other signatures 7->69 13 rWGybL2rphOiekHk.exe 15 7 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        63 Antivirus detection for dropped file 11->63 65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 21 IaQQhe.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 api4.ipify.org 104.237.62.211, 443, 49700 WEBNXUS United States 13->39 41 api.telegram.org 149.154.167.220, 443, 49701, 49702 TELEGRAMRU United Kingdom 13->41 43 api.ipify.org 13->43 71 Installs a global keyboard hook 13->71 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 64.185.227.155, 443, 49703 WEBNXUS United States 21->45 47 api.ipify.org 21->47 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->73 75 Tries to steal Mail credentials (via file / registry access) 21->75 77 Tries to harvest and steal browser information (history, passwords, etc) 21->77 29 conhost.exe 23->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 00:39:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3sfvw5zvzedttnjzb6ummz2aey4sabagmd7bbts57pro3wwmsgva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0442d940427ea6e7f9d614bb83ca56d539bed99c4307b7a6f13c35d73c002ef6
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04a42e9d0b1c019989d91249331e0920703296490ab8a565bed15e1a0e1742fc
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1d33467dba0945d2a0dab179b6d5a38c9e936f3c51a12dbefdaf361df2a62562
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20f8346e2d21705831f11df957ab056989639c5004abcf76be886721bb201500
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4a5ee921941ba55cd069a52fc95732b78f4c430a28236c3bd752ac350e4ffa79
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63df8eae2ebe31f97c4dcaf0587ffe4100d34892d03247fcba1201253c81423f
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69fa15d77275d1d0383f6a1ec7137989a392fe17050cb90f3670e8e834f931be
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8a7ad0ac9a02dffbfd56debb206f3ab221974ef81540861409ffc412873d3da6
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c3a43716e23c04e5c2630c2e7f8e6911443fe4faa38e38ee1e5e60a8ecc24869
AgentTesla
+ 190 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/230413-pf13hsbc36/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6059651513:AAHUaUra0tfrgpzUj31abILVWsJDQElRaec/
Unpacked files
SH256 hash:
7c8a188bfb4ccaf397fcfc2ea84ff2184e12b181b585f5b6ef5a450fc0e43fb4
MD5 hash:
4dd12c0382031300d7f642c952348037
SHA1 hash:
eb57cd070d73be5ea3b900feac8dce3025c1fba9
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
SH256 hash:
bf7317f6f8562e80d8bdc075e963cbd4780ce54cf5652b0aaae2bbf395d75ec3
MD5 hash:
431ded4bc2d216b9475fa2afa3632b5d
SHA1 hash:
b1fad059f701be1542da79c956514c55e609e8e2
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
SH256 hash:
38b371a545ce77620c33b317256d8c7c1fa5b21d3309448b7fc1064535d94dcb
MD5 hash:
31981fb1bad83caf885b174a0068f700
SHA1 hash:
64f23b3cf0c1f5dd0df9ea9f5aed3e5dea1c7d69
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
SH256 hash:
6413c60502ba771163bb96527a5b8fdf5d765cd19f89bca13c6442bbd8bdb4bd
MD5 hash:
d52609f7faa0c91840a49a848a476000
SHA1 hash:
268d289f07cd7f58d0c4db7d785fa350a3ed431a
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
SH256 hash:
dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa
MD5 hash:
f604cea093ebafa062764045453ab7f0
SHA1 hash:
e5a7779c88a1be9983777b40dddf627931cad1dd
Link:
https://www.unpac.me/results/dd7c1b39-cf34-4f40-952e-63bf8c4acfba/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dc8b5b7735c9/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/dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 dc8b5b7735c90739b5390fa8c66740263920040660fe10ce5dfbe2eddacc91aa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381993/

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