MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5. 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 9 File information Comments
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SHA256 hash: cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
SHA3-384 hash: 4a820cd619f58462d1df61f14bbb2dad9b43785e0bbe3bca572a8b7caedb89a6e3947836c31bd72b9f2289a889b36357
SHA1 hash: 4b8cac21c67d776a6f1e834191b6091236248e73
MD5 hash: 0c86e968796f80b0e5c091b3270ce88b
humanhash: mississippi-november-papa-high
File name:HTML.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:595'456 bytes
First seen:2023-10-04 15:57:05 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 12288:8awpemS7q1GV1ysvF5kJEqD1DqbQpkMwuINF9ypvrab3ZTsGD/si:8awpemS7qM6sd6JdpPpHvlabJTe
Threatray 45 similar samples on MalwareBazaar
TLSH T1C0C4AD6175EF1D83F376F7BAC3A42A45C6BEB2F16A5F761B204002A19453D81FB12A34
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.xls
Verdict:
Malicious activity
Analysis date:
2023-10-05 07:55:02 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/a7d22dc2-e282-49db-8d65-d4b845fd392c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2423.32001.3585.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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.BJJ trojan
Link:
https://www.hybrid-analysis.com/sample/cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
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/624d46d5-c256-4b1f-86bd-39480f4016ba
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319604
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 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
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1319604 Sample: HTML.exe Startdate: 04/10/2023 Architecture: WINDOWS Score: 100 36 bengalleather.com 2->36 38 api4.ipify.org 2->38 40 api.ipify.org 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 12 other signatures 2->52 8 HTML.exe 6 2->8         started        12 PaJmBrIB.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\PaJmBrIB.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmp4EF2.tmp, XML 8->34 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Injects a PE file into a foreign processes 8->60 14 HTML.exe 15 2 8->14         started        18 schtasks.exe 1 8->18         started        20 HTML.exe 8->20         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 PaJmBrIB.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        26 PaJmBrIB.exe 12->26         started        signatures6 process7 dnsIp8 42 bengalleather.com 192.185.33.8, 49691, 49693, 587 UNIFIEDLAYER-AS-1US United States 14->42 44 api4.ipify.org 64.185.227.156, 443, 49690, 49692 WEBNXUS United States 14->44 28 conhost.exe 18->28         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 30 conhost.exe 24->30         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 15:56:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z33drsaibdailrvngobkfqgr6zskbs5desqxr6rkzxkxfimt5lcq._file
Verdict:
malicious
Similar samples:
09cab28b90799facd47c9a949855955c635efef849dd8896110e8376ff7f1458
AgentTesla
18a48731b148e59ecffa75b392d72963d1a7e386201e9745eb1f06169cd37d00
AgentTesla
3be6612501472572fdc009d75567cb83d4f2f54a7628c2b95b48adb6bdc43b9b
AgentTesla
43b81d0ca2373e9f8746005bff03564656b711c3a0d9e81a632f703a420e1cd6
AgentTesla
747bda3ff9c92152209f373690f37337288a013504d676611041fe577877f898
AgentTesla
8192f84102d9071fc922c436f69660b5be0bdb300adaa212295f84f985bbc5ea
AgentTesla
e27e63e6096a727c94170fc3459661fe3fda9d396d5451ae253015880b37c9d0
AgentTesla
f4467d8859d174c9edf5b596e96c4456a6aa0259bdee1d72697a76aab5f2f899
AgentTesla
+ 35 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/231004-teg1gaeh54/
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:
5cf51d1a8d4bd940740e90e3962cea8e939e791ef7c5bd88d1a0cb574af25b70
MD5 hash:
9407c2206b85c7cb0949ef623fa614d8
SHA1 hash:
df6e3ec48a4e673d93fc6818db52460ce8fadd9a
Link:
https://www.unpac.me/results/cd30d875-1669-4421-b59a-308e4bc72ba1/
SH256 hash:
589c5de5374f0fbbb1b2869ff17306183f4397038c3e44323b9156ba850d1f7e
MD5 hash:
58b8cc93d13d521c0456a28515f61442
SHA1 hash:
db345134cd18b5c231f6921c00c96db03c626b71
Link:
https://www.unpac.me/results/cd30d875-1669-4421-b59a-308e4bc72ba1/
SH256 hash:
ed874826b938da5cd4dcb444a6f26ffaeacb3b92a7d63a37ecb4b181b5d8259f
MD5 hash:
9ef8832515da0d97d5b0f31f7b6dfc01
SHA1 hash:
0e35e1231b109c4cb26c4e638a9e66e164492099
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/cd30d875-1669-4421-b59a-308e4bc72ba1/
Parent samples :
e27e63e6096a727c94170fc3459661fe3fda9d396d5451ae253015880b37c9d0
cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
475adab8c1638c6f1c930d1a6e9715f7728052fb76407c5393b24adc2884c3f1
03eb475c31001a1695cf0dd132828e8455d43becb69b0cd6b3af6f59a06649bd
9b15faed8bf8fc81cdc6831e7e0c89a27419fae8940e1fec61471f93d18b225e
824068050121b62272bafa20abe9d10fbadadafc97a529754ec73d884eca5527
7ce1ec80a206073fad757e02c83fed1341ca7df103082c3338bff11232f7b5a6
SH256 hash:
cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
MD5 hash:
0c86e968796f80b0e5c091b3270ce88b
SHA1 hash:
4b8cac21c67d776a6f1e834191b6091236248e73
Link:
https://www.unpac.me/results/cd30d875-1669-4421-b59a-308e4bc72ba1/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cef638c80808/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/cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_bytecodes_sep_2023
Create hunting rule
Author:Matthew @embee_research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2716406/

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