MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720
SHA3-384 hash: 22ac03aa74d376c42d657c7b9aa551c04149aec71165f65ade3d32bfdaf60b25115436c9e832f23b505ee90b3d556f6e
SHA1 hash: 58b0ee5f150e33570b32fbaa84becf3ae7c9ca75
MD5 hash: 049657ebd0fade2ad01e1775c0c7e9b7
humanhash: fix-wolfram-berlin-cardinal
File name:proposal.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'206'784 bytes
First seen:2022-12-19 15:14:03 UTC
Last seen:2022-12-22 09:17:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:JB3sFxF5RbOwj1cW32xCk6PkMDiTiIr90crx7VdH:JB3UPACkMk6iTiImgt
Threatray 20'248 similar samples on MalwareBazaar
TLSH T1BB45C04176D7CC43D14B1BB284DBC92093B59DCA82B2CB0F3EC267695693353989B78E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
proposal.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-12-19 15:15:03 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/df34d4a0-af5f-4fda-9423-d9b7a908594d

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/348039/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm clipbanker floxif packed virus
Link:
https://www.filescan.io/uploads/63a07ff742a14aa7e01ac0ea/reports/bc095157-ba89-41ee-8128-155df8ed8d7b/overview
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/1079cb3c-819a-416c-9afd-c125aedb6717
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1137286
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 array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
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
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 770012 Sample: proposal.PDF.exe Startdate: 19/12/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 13 other signatures 2->54 7 proposal.PDF.exe 6 2->7         started        11 dZipsDswUY.exe 5 2->11         started        13 LdtJsTw.exe 2 2->13         started        15 LdtJsTw.exe 1 2->15         started        process3 file4 38 C:\Users\user\AppData\...\dZipsDswUY.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE79B.tmp, XML 7->40 dropped 42 C:\Users\user\...\proposal.PDF.exe.log, ASCII 7->42 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 74 Writes to foreign memory regions 7->74 76 Injects a PE file into a foreign processes 7->76 17 RegSvcs.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 24 RegSvcs.exe 11->24         started        26 schtasks.exe 1 11->26         started        28 conhost.exe 13->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 44 api.telegram.org 17->44 46 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 17->46 36 C:\Users\user\AppData\Roaming\...\LdtJsTw.exe, PE32 17->36 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->58 60 Tries to steal Mail credentials (via file / registry access) 17->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->62 32 conhost.exe 22->32         started        64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->68 34 conhost.exe 26->34         started        file8 70 Uses the Telegram API (likely for C&C communication) 44->70 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-19 02:47:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
61
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3gfzcbmuwqm6g657vcdimcgyr7pfsikkgprna2gpaehkk37c4qa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
122ea6a4e034592aadf95a264fb4cfa6d2767d90fa67205926f87b106f8f736a
AgentTesla
1bba79e46b3a57c57208f5b0c0ea9601e7e63ed219fb9c93eb2d75fa1045fb05
AgentTesla
51cd8a9f4c1a4ef234ad2b69e36415377a4f73afa08f9b69d85f7bdc30d17bb8
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780e633b56607c091dcf8b6cdde49fc66d1a343c067369eac6d45c28247b0f06
AgentTesla
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
AgentTesla
bb43a5754a893cb89704ada5e6ab99172fcaba378a12b890b6baae58fd6d35ba
AgentTesla
bfd1a1b3ca8899504a6513dcc986298fd2c82b2c82ae7afd91d9d0046ea795b0
AgentTesla
c0499439a0e94bca738d814f9626f30639c96a7664a19e77c3eafda15ddc6ef7
AgentTesla
d59072f67b73ae7663813e206bf001dbf69d86f73478879df4fee510eec72e41
AgentTesla
d7da71055972a1ffebc2ce82fc46c755ba569781be79cb3d26193871ad4e9ab7
AgentTesla
+ 20'238 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221219-smckaafc79/
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
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5495243543:AAG3XPeGW7yqfXF6_EXjGSfO9SWHJTpqVsU/
Unpacked files
SH256 hash:
6b39ac51f2d4f89edca5da4032195d1c0580d939b4ece9a0bf3721e3cb338e5e
MD5 hash:
517556915d9935b0179726c1aab3d1dd
SHA1 hash:
ef0f558802de46230ff1d49e7df75d8a6c42a007
Link:
https://www.unpac.me/results/14d06760-a9ed-4f2c-bf60-4c4bbbd52fec/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/14d06760-a9ed-4f2c-bf60-4c4bbbd52fec/
SH256 hash:
7d1bc9d8e328e6c91872265b770107237efd7b75517777e059a22cf267652dc5
MD5 hash:
e473ea226cbdbe375938e9f4db21c97b
SHA1 hash:
2f0ab6de0459e0f4e40900e2f65e649a091221e5
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/14d06760-a9ed-4f2c-bf60-4c4bbbd52fec/
Parent samples :
b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207
2cae27fe5b93620d4d7f1b6e16566c618c23aaa11230ebb33a2bf57c0e576202
1ea31d04175fb842e43adb57eadd01486fbad17841f83d5eff065b67baeb4d69
191ba5413e8cab449cfb39d083b2fa780c5fd331b6e7a0654e536fbb23d20458
a2579723ae65b526602d6404cbe9e0239c1ec7ed08222afcbe9e65e35a7d49d8
e43659dac9e8276ec4f3948c5211c3c64b34b34307b1ad15681c81529c8b64ae
478d4b7a98b6885c7100de1e9dcd36eed9ecc95148f39bdd7af84be7ced2478b
b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720
29c562c44604ece170da8b50d8d952961024f7d2f8c2301bbf28d31d2ba79a5e
01547e612fc731951049a35ed50621ffaecd45d0b0946c98f4c3c90730a9dda4
SH256 hash:
b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720
MD5 hash:
049657ebd0fade2ad01e1775c0c7e9b7
SHA1 hash:
58b0ee5f150e33570b32fbaa84becf3ae7c9ca75
Link:
https://www.unpac.me/results/14d06760-a9ed-4f2c-bf60-4c4bbbd52fec/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6cc5c882ca5/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/b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720

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

rar 322dc8875fb12729332b60af9b903e3c96e88bbc97a14220ea6ac7fdcc2486da

AgentTesla

Executable exe b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 322dc8875fb12729332b60af9b903e3c96e88bbc97a14220ea6ac7fdcc2486da
Cape
Cape
https://www.capesandbox.com/analysis/348039/
  
Dropped by
MD5 18874625cf910eaf1026062908a81c70

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