MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8
SHA3-384 hash: b9d9459f810056825df8a0966805d3803d190606fa71a8d0621b8824503737b582ee353ef5c77d300957c5056693110b
SHA1 hash: ec7f82f082180441c9bd04646eba05dccb340d43
MD5 hash: 2a2911f43963ca8d7f0f2c95cd84d042
humanhash: football-jupiter-sodium-oregon
File name:FedEx Receipt_AWB# 1022355160763.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:712'192 bytes
First seen:2023-02-13 07:53:32 UTC
Last seen:2023-02-13 09:35:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ix9TlZh6q6/TKPzG7ITAvvopc0ZazT+nce32CSjO16T0/iyUXoffXZcofNW:ix9jY/TKPzG7aqvo+KcI2CSK16TmffJw
Threatray 21'042 similar samples on MalwareBazaar
TLSH T19AE4F1503AAE5F28D56E57F41471E080A3767E0B2A76D32D7DC970DE0E32B468319B2B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FedEx Receipt_AWB# 1022355160763.exe
Verdict:
Malicious activity
Analysis date:
2023-02-13 07:56:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7b81cf3b-1a1d-41e5-a659-090915ae9dd8

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/364863/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.52580.16782.6588.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63e9ec9c55a8f3b961919b3c/reports/acf328a2-f6c2-49f6-b867-3d479250c4a2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8
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/4314f7cd-6c4d-43ea-9c04-f7774dc99528
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173101
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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 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
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 805890 Sample: FedEx Receipt_AWB# 10223551... Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 10 other signatures 2->49 6 Skype.exe 3 2->6         started        9 FedEx Receipt_AWB# 1022355160763.exe 3 2->9         started        12 Skype.exe 2 2->12         started        process3 file4 51 Multi AV Scanner detection for dropped file 6->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 May check the online IP address of the machine 6->55 57 2 other signatures 6->57 14 Skype.exe 14 7 6->14         started        29 FedEx Receipt_AWB# 1022355160763.exe.log, ASCII 9->29 dropped 18 FedEx Receipt_AWB# 1022355160763.exe 17 10 9->18         started        21 Skype.exe 12->21         started        23 Skype.exe 12->23         started        signatures5 process6 dnsIp7 31 api.ipify.org 14->31 33 api4.ipify.org 173.231.16.76, 443, 49715, 49722 WEBNXUS United States 18->33 35 api.telegram.org 149.154.167.220, 443, 49717, 49718 TELEGRAMRU United Kingdom 18->35 37 api.ipify.org 18->37 25 C:\Users\user\AppData\Roaming\...\Skype.exe, PE32 18->25 dropped 27 C:\Users\user\...\Skype.exe:Zone.Identifier, ASCII 18->27 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->63 39 64.185.227.155, 443, 49728 WEBNXUS United States 21->39 41 api.ipify.org 21->41 65 Tries to harvest and steal browser information (history, passwords, etc) 21->65 67 Installs a global keyboard hook 21->67 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-13 01:57:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
115
AV detection:
17 of 39 (43.59%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjfvk6z5yuv4og3lecp6wtc2ltvbwwdsxklvqy3aeud3ixq3ztma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
17749d0075f1855d1ec5badde6d07bffb3c1d4fd078167ae758137b5e5bb8d39
AgentTesla
348b029e61cf6f2e09cbf867cabe0f4bb9377b913acffeb8d9b264784a3828e1
AgentTesla
53204f19bfd4500d44d4337898088e0511206c686a79657695c1a0bcfca02a57
AgentTesla
9a5fbd93d713b7b7c1554e4157c12cfbd5e2644fccc300c77c087e430d3a1441
AgentTesla
a2e420627a11531f21a31d3f5720502dbdefb214588260ff5afb4504323b09ac
AgentTesla
b0e6355e5c14052a080b4a3aaaf92072a1cc04c476d4bc1bcc44a7b6abf6c9d1
AgentTesla
c394c0b28782665a29577eb473d2eceb7269b32fd79bad544adfa208e2183452
AgentTesla
e9555275296d98ff8955d87ee78bf39cf1f3d54e6ca04c8f453bd915e34c2346
AgentTesla
eebb3965175a6262b4bfc219589ca51349dab2924e9132648c50127da99a4f4a
AgentTesla
f98bbd52d7dcc0a3bebcc97a3cac39cd453aae870a751908e7fd94f81b4e8eba
AgentTesla
+ 21'032 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/230213-jrjpqabb9z/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5826219676:AAHzaO_KidyTjZ5PTwFErYpZivpT8wfDUno/
Unpacked files
SH256 hash:
a748a81002208ff8a2470afdfab69176e153023f65821ade864af86d2d1fa703
MD5 hash:
d525d25a2f2e500dd330ac846a4df907
SHA1 hash:
e5806696e415e0715fe673424aed79ad624f5312
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
SH256 hash:
c4ca6670aab276159ae5f99b06e732276edfa44e6656194cb48afe449f7350f3
MD5 hash:
deb86ff6790c2feba3fed26e5769a001
SHA1 hash:
ded7b63277ed59719bd7c4572d4fa555e323873b
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
SH256 hash:
f1c877817a77149f703b676b991265d9478206e38a7cdb524aed2f3142607114
MD5 hash:
7044a8e3d705214756895e2c0ba78647
SHA1 hash:
03d109ddabd22ccd8f0c298aff009c198c074892
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
SH256 hash:
3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8
MD5 hash:
2a2911f43963ca8d7f0f2c95cd84d042
SHA1 hash:
ec7f82f082180441c9bd04646eba05dccb340d43
Link:
https://www.unpac.me/results/498f36ec-fa6c-466b-8aa8-6a1f0230a2c6/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a4b557b3dc5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8

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 3a4b557b3dc52bc71b6b209feb4c5a5cea1b5872ba975863602507b45e1bccd8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/364863/

Comments