MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312
SHA3-384 hash: b9104d7cd8d49143d758d34180672e6f824b873f6dceac65d31a1bd5ae61b2a504036f8f4473a6e78aba7a23eb071860
SHA1 hash: 6ce0a5f72f8746de06c270b9894688e429f7f58f
MD5 hash: b910dae5e723d1fd810984d4e00b7c3d
humanhash: winter-six-december-edward
File name:Generator.cont.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:856'064 bytes
First seen:2021-01-26 06:37:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:hNpS8RHfNbxpLOKli9/TWHe4RFaF2Fs7zB:bpS8b/LTQJq4As
Threatray 232 similar samples on MalwareBazaar
TLSH C705D0507648E586C85B7EB1E82ED72006A07DAFD6D0C21C37DC7F2A84F6792118FB66
Reporter cocaman
Tags:AgentTesla exe


Avatar
cocaman
Malicious email (T1566.001)
From: ""Sara"<s.zennaro@omn.it>" (likely spoofed)
Received: "from omn.it (unknown [144.208.127.222]) "
Date: "25 Jan 2021 23:02:23 -0500"
Subject: "Re: re: Correction"
Attachment: "Generator.cont.exe"

Intelligence

File Origin
# of uploads :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Generator.cont.exe
Verdict:
Malicious activity
Analysis date:
2021-01-26 06:55:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/654bd34a-b57b-436a-b9bd-f36d426adb13

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/114612/
Detection(s):
SecuriteInfo.com.Variant.Barys.55373.9963.15656.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Sending a UDP request
Launching a process
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/590243
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 344162 Sample: Generator.cont.exe Startdate: 26/01/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for dropped file 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 2 other signatures 2->41 7 Generator.cont.exe 15 8 2->7         started        process3 file4 23 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 7->23 dropped 25 C:\ProgramData\Microsoft\...\videocarda.exe, PE32 7->25 dropped 27 C:\Users\user\...behaviorgraphenerator.cont.exe.log, ASCII 7->27 dropped 29 C:\...\videocarda.exe:Zone.Identifier, ASCII 7->29 dropped 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->43 11 videocarda.exe 14 2 7->11         started        14 cmd.exe 1 7->14         started        signatures5 process6 signatures7 45 Writes to foreign memory regions 11->45 47 Allocates memory in foreign processes 11->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->49 51 Injects a PE file into a foreign processes 11->51 16 AddInProcess32.exe 2 11->16         started        19 conhost.exe 14->19         started        21 reg.exe 1 1 14->21         started        process8 signatures9 31 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->31 33 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->33
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 03:54:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ftk32qafltpxlhioj67piq4psi5nvdai6ygqnknzboy24yag4mja._file
Verdict:
unknown
Similar samples:
33b922d5874f3914984da8e1db4674fe7186e256d8f5acd1aa1a20d86a87ebcd
AgentTesla
3d9b59ef7e396dcbfbb58069b1876d6b85e111c7e36b6a302cf4e955fb711a29
AgentTesla
7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98
AgentTesla
ae33318e53652eda0917a4f856ecf0041d8f57b73bf82bc6322921ea16654a04
AgentTesla
b18e1e1ca2d4f97f568e87e71ae9f0791821c2c4e2bb3385fa81b5829c1122b1
AgentTesla
b303d3f820da914a39a9a859de14c201515377f31f6631c7e0384dbe44fca53c
AgentTesla
ba0f71fb8d0bc64a55644f7086fe2e03d78dab544f9998658eca5ebd2c48be76
AgentTesla
c1e6cafdf311804c6d5a427de9f61965c223ae33fac564f33300f2a477ae8cd0
AgentTesla
f9a8ba23f68d57179f1a480b6207351d5f41e6303fbdd09f6fffd514f82bef30
AgentTesla
ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234
AgentTesla
+ 222 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/210126-49jjnt68f6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
a5a6f82998ce628694c0d925a4d14443a93be8ae5399bfcaf65ac371e69ce4a0
MD5 hash:
3dca33c6aa4e7a2266167a2238b764c9
SHA1 hash:
fe13a8834950e5c32c4420bd676b232106eeb9eb
Link:
https://www.unpac.me/results/04d42c01-26a1-4316-a9fb-c12c89fd7129/
SH256 hash:
a60900adc31e8e28ff541b91a55de5d9719c0d1ddc3022eb6f6fb5ac19cc9e4f
MD5 hash:
831fb0609b3509b4fb31ac662ac69217
SHA1 hash:
985c33fa2b01e305995e2ea166b961b01f0f6335
Link:
https://www.unpac.me/results/04d42c01-26a1-4316-a9fb-c12c89fd7129/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/04d42c01-26a1-4316-a9fb-c12c89fd7129/
SH256 hash:
2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312
MD5 hash:
b910dae5e723d1fd810984d4e00b7c3d
SHA1 hash:
6ce0a5f72f8746de06c270b9894688e429f7f58f
Link:
https://www.unpac.me/results/04d42c01-26a1-4316-a9fb-c12c89fd7129/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Executable exe 2cd5bd40055cdf759d0e4fbef4438f923ada8c08f60d06a9b90bb1ae6006e312

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla
Cape
Cape
https://www.capesandbox.com/analysis/114612/

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