MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4
SHA3-384 hash: 55c66b0ece4ace560d004fe813133aea9e94877ccb7393a0da757ac5a5602c973b7b0db003b6938c3afcb956025a513b
SHA1 hash: 2a2315b69ae80c032f98bc95a8732993db1db7f5
MD5 hash: 3e0400e053b6f1de784e9b5f45bbf6db
humanhash: football-spring-timing-coffee
File name:attached the document.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:736'256 bytes
First seen:2023-01-27 22:52:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:dicGyOeq+pXp8irmdjXHNOrAe/IuAmBDCyIjSp73quy3JvEE7yH5m6qi8AzwrqhC:4GT8irmdjXHNOrAe/IuAmBDCxjSp4Zvz
Threatray 9'804 similar samples on MalwareBazaar
TLSH T120F4163D2C7793F2C534F97296D1A0A0BA9F8192B367C999D9D61BC04F412823ECE51E
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
attached the document.exe
Verdict:
Malicious activity
Analysis date:
2023-01-27 22:54:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/57775dcb-cba3-4fb0-9db5-080247d8dd22

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/357634/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d455cf1c9cbf7d62539d46/reports/fbbf40da-efaa-4572-9390-328d934cf0a5/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aeb8265d-110e-4ee6-85af-af50f1041e18
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160615
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793352 Sample: attached the document.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AgentTesla 2->58 60 8 other signatures 2->60 7 attached the document.exe 6 2->7         started        11 bLZrAcFHztPvtm.exe 5 2->11         started        13 yGbzOMp.exe 2 2->13         started        15 yGbzOMp.exe 1 2->15         started        process3 file4 42 C:\Users\user\AppData\...\bLZrAcFHztPvtm.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp7266.tmp, XML 7->44 dropped 46 C:\Users\...\attached the document.exe.log, ASCII 7->46 dropped 74 Writes to foreign memory regions 7->74 76 Injects a PE file into a foreign processes 7->76 17 RegSvcs.exe 2 4 7->17         started        22 RegSvcs.exe 7->22         started        24 schtasks.exe 1 7->24         started        26 RegSvcs.exe 7->26         started        78 Multi AV Scanner detection for dropped file 11->78 80 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->80 82 Machine Learning detection for dropped file 11->82 28 RegSvcs.exe 11->28         started        30 schtasks.exe 1 11->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 48 chestronics.com 198.46.134.12, 49701, 49702, 587 AS-COLOCROSSINGUS United States 17->48 50 mail.chestronics.com 17->50 40 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 17->40 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->66 36 conhost.exe 24->36         started        52 mail.chestronics.com 28->52 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->68 70 Tries to steal Mail credentials (via file / registry access) 28->70 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72 38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4/
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2023-01-27 08:21:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clczrxnqzg3bmtspuvy2y5s6qpoi74qqrm6gxdn2xtyo4dvjltca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
19f5de1fab76d8bdac9d3bab7ec590152f1b9b4f154d1c429a1fd1acb65ba628
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1f5d9074ca3f0cb21ca2e31560ff93491a57ea74466b5ff5a6ac0d63774029c6
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54e7a3ef035646bbf5fa3428726b3d79270596429936a831165f17c2650c1924
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5a64665bdc77f9386891c1a251064decfdce7e9782bb4b47d95e2c14238d46f2
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6600f2c51ef233a254c85c0a3070eb9a81046692dd9918de53213c23e26a733f
AgentTesla
a84aad3732ea9ed162f345bddceeb44da8b25e0ab4fd4e55848c1804d00d652d
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ab07e5b2a5ec274e9684b2e86706cc0af428a30e9cd478a274ce21c78022dfc5
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b03da986046c2b6590f52efafcd803f02ee12379d1273b3b6b0814bfe5b2474d
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e6c4f27c74ef1e7af054304d895c1923ef54eb3530980b1e0d0b19d49c95faee
AgentTesla
+ 9'794 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
collection evasion persistence
Link:
https://tria.ge/reports/230127-2tykrsdd57/
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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/d439affd-f56d-401b-b0ad-8510dac65541/
SH256 hash:
118ce3f625eaad392eb35e73e16d11b2f5c35f22b34a65cc96b3112ed1c9ab72
MD5 hash:
318041f59cad16180d33cebc17063ae1
SHA1 hash:
2f710c94dc4cd431f06b69b06a490a6b93e76e40
Link:
https://www.unpac.me/results/d439affd-f56d-401b-b0ad-8510dac65541/
SH256 hash:
c1d07f96fb6afc4da12b2298f4fec2b178d46eececc9773d8945e0a74e8f1fc9
MD5 hash:
1ffb3177c6ccce453825d7d000df57e2
SHA1 hash:
1269e015d57c9c3017ec913afc9b180609431e0c
Link:
https://www.unpac.me/results/d439affd-f56d-401b-b0ad-8510dac65541/
SH256 hash:
12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4
MD5 hash:
3e0400e053b6f1de784e9b5f45bbf6db
SHA1 hash:
2a2315b69ae80c032f98bc95a8732993db1db7f5
Link:
https://www.unpac.me/results/d439affd-f56d-401b-b0ad-8510dac65541/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/12c598ddb0c9/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/12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4

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 12c598ddb0c9b6164e4fa571ac765e83dc8ff2108b3c6b8dbabcf0ee0ea95cc4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/357634/

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