MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa
SHA3-384 hash: 327c35aa8a6e7480f04712e33a704c8b4d03b9455cff74f8383a1f187a59485a629dd635d7e9d0016563acc748608386
SHA1 hash: 781a2cdfe57eb91f501b33d4737a21ce4325906d
MD5 hash: e5f15fac2957c0acb76e9f58440c382a
humanhash: pennsylvania-failed-pip-network
File name:PO #799021109.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:786'432 bytes
First seen:2023-02-10 12:02:02 UTC
Last seen:2023-02-10 13:32:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:3jBV16lnNug7iAxgnaOs3dpaYOeTzFCrsxTAYOnOrx7p58lCrd4gyQapWMsEPA:3V7ItlxgnHstrOeteATTOOrxN5IC54TU
Threatray 4'618 similar samples on MalwareBazaar
TLSH T1F3F41208732E442FC84C99BAE0D9052803F55A2AB193FB4EEDE555FE1E83FF85A41197
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)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO #799021109.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 12:04:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a9fedd89-e5f1-481a-a54b-0de00227dbd9

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/363346/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65392592.31526.31767.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e6323dae0d2eea07d49c96/reports/d69bec77-e3f1-4b93-a670-7f69244c26a1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa
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/fee2c8f4-4379-4b40-93b9-27aa481cef91
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1171125
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
Injects a PE file into a foreign processes
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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
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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 803915 Sample: PO #799021109.exe Startdate: 10/02/2023 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 10 other signatures 2->62 7 wyeXdGEyVZQHdB.exe 5 2->7         started        10 PO #799021109.exe 7 2->10         started        process3 file4 64 Antivirus detection for dropped file 7->64 66 Multi AV Scanner detection for dropped file 7->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 74 3 other signatures 7->74 13 wyeXdGEyVZQHdB.exe 7->13         started        17 schtasks.exe 7->17         started        36 C:\Users\user\AppData\...\wyeXdGEyVZQHdB.exe, PE32 10->36 dropped 38 C:\...\wyeXdGEyVZQHdB.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpA29C.tmp, XML 10->40 dropped 42 C:\Users\user\...\PO #799021109.exe.log, ASCII 10->42 dropped 70 Adds a directory exclusion to Windows Defender 10->70 72 Injects a PE file into a foreign processes 10->72 19 PO #799021109.exe 15 2 10->19         started        21 powershell.exe 21 10->21         started        23 powershell.exe 21 10->23         started        25 schtasks.exe 1 10->25         started        signatures5 process6 dnsIp7 44 173.231.16.76, 443, 49716 WEBNXUS United States 13->44 46 mail.masarengineering.com 13->46 48 api.ipify.org 13->48 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->80 82 Tries to steal Mail credentials (via file / registry access) 13->82 84 Tries to harvest and steal browser information (history, passwords, etc) 13->84 27 conhost.exe 17->27         started        50 api4.ipify.org 104.237.62.211, 443, 49714 WEBNXUS United States 19->50 52 masarengineering.com 68.66.248.44, 49715, 49717, 587 A2HOSTINGUS United States 19->52 54 2 other IPs or domains 19->54 29 conhost.exe 21->29         started        32 conhost.exe 23->32         started        34 conhost.exe 25->34         started        signatures8 process9 signatures10 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 29->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 29->78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 05:24:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypxtrljq4ziza3d3v4czy3wr34oxn5fuf5h76gyh46y2vrzrn35a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9833f459976bdb56e2d58a79b2d5da9e7ab601849b1e1960a0755ee07b71ab24
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aa9680b982b96bce1ab425e2b7f18ea951a832a2c18bba1f6880381a7610bf68
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b4264117c8337a2c7f689756393bec9303ddde5fe02986ef47b410ff22ba5ce1
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AgentTesla
+ 4'608 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/230210-n7f1zsff44/
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
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
Unpacked files
SH256 hash:
cab5a65c1a7802a69dd868a075baaaf550e0c1e63a050801f540781e0c72c146
MD5 hash:
ccc5315e357074d3b32b3da6e7299148
SHA1 hash:
f11c44faa129d27533556c8898b07f77f03de028
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
SH256 hash:
e386840537170219177c2bb3404f4c7bd9da1a2d53cdf2ae1e857c3b19628a29
MD5 hash:
d170ab8c03b9c37d5be449454db131d2
SHA1 hash:
2031b6754a65d21b47dd11a34fee86f048d6048d
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
SH256 hash:
997b789051800d4bbaab98aa9c51c029fdb1144ff9c0cf160aa3661c5ed65abf
MD5 hash:
e3db49cb4fdf8990d403e52324f5a88f
SHA1 hash:
18e7289c50f074067fbf14447446c29d389578b6
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
SH256 hash:
1674c74408155b904c6082a986a90fdd161a94f71677cbdb2342eef40d7514ec
MD5 hash:
86f9f4650a3f0fde283b93d673ce2c17
SHA1 hash:
189ab616e97a4421837928e6407f2671acb6cdb0
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
SH256 hash:
c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa
MD5 hash:
e5f15fac2957c0acb76e9f58440c382a
SHA1 hash:
781a2cdfe57eb91f501b33d4737a21ce4325906d
Link:
https://www.unpac.me/results/56b7c1ea-e938-4716-9fed-6daa5e5ef47a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3ef38ad30e6/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/c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa

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

Executable exe c3ef38ad30e651906c7baf059c6ed1df1d76f4b42f4fff1b07e7b1aac7316efa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/363346/

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