MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab
SHA3-384 hash: 4a5c6c9c1ec0407fb587963b148a2fafed1b17be949a87a9e9cf3c20daddca941f1e18da95c280129ab4e5c4c5437e8d
SHA1 hash: 242aa309cd553ce6287026722e1ba59527c8cd64
MD5 hash: fef719e088516b81a176374c6d22ba42
humanhash: glucose-alabama-cardinal-echo
File name:yogMjGlZZ84pTpd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:927'744 bytes
First seen:2021-06-28 14:27:41 UTC
Last seen:2021-06-28 15:44:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:3gKqOiQSwtS/ueUyQ9lMNJgjbxamR+5NQ7G:QEi3fQwixdQi
Threatray 6'175 similar samples on MalwareBazaar
TLSH 1D15CF242EE80626F5BAAF7D95B5204556FDF2236F07C8AD7CB502CA0713A42C5F173A
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yogMjGlZZ84pTpd.exe
Verdict:
Malicious activity
Analysis date:
2021-06-28 14:33:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/28db9bf6-0100-463a-8e5a-6589d18175b3

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/168603/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.960.15549.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/f4038e2b-43a5-4c75-b407-8f545cedb1f7
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808887
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441301 Sample: yogMjGlZZ84pTpd.exe Startdate: 28/06/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 9 other signatures 2->47 7 yogMjGlZZ84pTpd.exe 7 2->7         started        11 kprUEGC.exe 2 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 23 C:\Users\user\AppData\RoamingbehaviorgraphSmObvhI.exe, PE32 7->23 dropped 25 C:\Users\...behaviorgraphSmObvhI.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpFF4B.tmp, XML 7->27 dropped 29 C:\Users\user\...\yogMjGlZZ84pTpd.exe.log, ASCII 7->29 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Injects a PE file into a foreign processes 7->55 15 yogMjGlZZ84pTpd.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 signatures5 process6 file7 31 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 15->33 dropped 35 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->35 dropped 37 Modifies the hosts file 15->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 21 conhost.exe 19->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-06-28 14:28:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jzgiu6zw3nprlz7r6vtw5hk6fby5eea4u7rigsjyjkgnw2mkksvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0dea09c30d8e850fab893b3f17f9bad6898c7e77bb690ecfe523681ca0f07e95
AgentTesla
102b0bdae4e027e3e115490a1fe904b1a9f4fd9e4e52243719ee1167ec4ed62a
AgentTesla
12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b
AgentTesla
15d4bc5c4d10d2a4ba5f3f040bd618fd327d0a2a7b0733efc914c725b49e77c0
AgentTesla
3be787bec6c661048c534c126761c2be937e70cb5ce8f1922cca5f4f22106b54
AgentTesla
3ee4e620dd7cb6d8a6f604e5653a4f5cbf1258032ffc7d13ae9a415c672a5713
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
e62d94d18fecf24b0de7f8298685b35e6afecfeeddcc8ec73f038b6c2eddf2e0
AgentTesla
+ 6'165 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210628-bc65jx236n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6d501120ec9187e13b384c4634eb2458ad7ffd09457ef3a9165346443bcacb02
MD5 hash:
59f71826028c6df995ff6a5fd1d4b790
SHA1 hash:
de66194105cc441fb23eef8879e248f1e7504f46
Link:
https://www.unpac.me/results/220c4658-0b68-42e7-8bf7-13c0b0a01efb/
SH256 hash:
9bb1129f2295b1e3966c74eb5da5cd8447230df751abd715af56ab5713f2705f
MD5 hash:
9d423057aaea7e7818db8f044ba4fca2
SHA1 hash:
db7b42738154e4319e696341c0401ba4ce2a0ab7
Link:
https://www.unpac.me/results/220c4658-0b68-42e7-8bf7-13c0b0a01efb/
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/220c4658-0b68-42e7-8bf7-13c0b0a01efb/
SH256 hash:
fb79c28a0a59a75e14355b7b34a6e3b2e5b827125448eb0e33d803bb4b10e537
MD5 hash:
72c2d3db6caafd15a899b819c45b31ac
SHA1 hash:
3488880aab6d84916ec6b3716cb7db0c2fe9efb9
Link:
https://www.unpac.me/results/220c4658-0b68-42e7-8bf7-13c0b0a01efb/
SH256 hash:
4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab
MD5 hash:
fef719e088516b81a176374c6d22ba42
SHA1 hash:
242aa309cd553ce6287026722e1ba59527c8cd64
Link:
https://www.unpac.me/results/220c4658-0b68-42e7-8bf7-13c0b0a01efb/
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/4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab

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

zip ec460117c220bf4797dfdbc1fd17ad61fe2dba7f315d91f065e4e9242bf50de1

AgentTesla

Executable exe 4e4c8a7b36db5f15e7f1f5676e9d5e2871d2101ca7e28349384a8cdb698a54ab

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ec460117c220bf4797dfdbc1fd17ad61fe2dba7f315d91f065e4e9242bf50de1
Cape
Cape
https://www.capesandbox.com/analysis/168603/

Comments