MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9
SHA3-384 hash: da49d1a3e86e1760bfa8db29ec20aaf94e90efbf5a8a57d862ae9fc39bfeb1be01d0840e95245d3175f0d7df552d8eaf
SHA1 hash: c6c49b3dea65910bac895d79df0e3710fb2daec3
MD5 hash: b812c58db819c2dd9093791d9bca72ee
humanhash: solar-potato-three-lake
File name:Outstanding payment.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:670'208 bytes
First seen:2022-04-25 05:27:47 UTC
Last seen:2022-04-25 06:33:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:I1rZjUNX+pk2c9y6/d8sUMJUjtHZrtfDG7t8DShu1GilfWh3LeaIJ8D9NYIAMHtn:I1rZSXWc7d8sUfjtjDG
Threatray 16'236 similar samples on MalwareBazaar
TLSH T1C5E428E8314876DFCD27C5328A9E5D74A7922476431BF323925337FA6A0D85BDE130A2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/266226/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.19521.20261.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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6266319f5a708c968a01118c/reports/2d0833f5-4c3c-4c52-a9f3-efc2c2bf8690/overview
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.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982195
Signature
.NET source code contains very large array initializations
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)
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 614682 Sample: Outstanding payment.pdf.exe Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 13 other signatures 2->68 7 Outstanding payment.pdf.exe 6 2->7         started        11 tbKkO.exe 4 2->11         started        13 tbKkO.exe 3 2->13         started        process3 file4 38 C:\Users\user\AppData\...\JKtWIOfXRAIh.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp742A.tmp, XML 7->40 dropped 42 C:\Users\...\Outstanding payment.pdf.exe.log, ASCII 7->42 dropped 70 Injects a PE file into a foreign processes 7->70 15 Outstanding payment.pdf.exe 2 11 7->15         started        20 schtasks.exe 1 7->20         started        22 Outstanding payment.pdf.exe 7->22         started        72 Multi AV Scanner detection for dropped file 11->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->74 76 Machine Learning detection for dropped file 11->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->78 24 tbKkO.exe 11->24         started        26 schtasks.exe 1 11->26         started        signatures5 process6 dnsIp7 44 mail.ppecindia.com 50.87.154.175, 49743, 49750, 49752 UNIFIEDLAYER-AS-1US United States 15->44 46 192.168.2.1 unknown unknown 15->46 48 2 other IPs or domains 15->48 32 C:\Users\user\AppData\Roaming\...\tbKkO.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 36 C:\Users\user\...\tbKkO.exe:Zone.Identifier, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Modifies the hosts file 15->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 28 conhost.exe 20->28         started        58 Tries to harvest and steal ftp login credentials 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 30 conhost.exe 26->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 01:33:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsjuoauhjikyyz4pl7hcibgffyhpaoblxatxdxbkwx2otzubhguq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
13d869e013219ccfad6e8c9d85148eda9172a4b3feb85dcecd706c52d7c6ffa5
AgentTesla
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
AgentTesla
78440c8aaf49191ba9a5a13987c467f7f0dd192e500661543f0590eea20f1773
AgentTesla
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
AgentTesla
b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
AgentTesla
c7a6ab6e5b40c85b90ff5ae27e76ac3cfb614c20ff0388bdf949401dfb5dfab0
AgentTesla
f5cf5e1d41419e2e2283e3548eb60ea029fa7d24344f3af4536ba8b2363dafda
AgentTesla
+ 16'226 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/220425-f51cvabdf3/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
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
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
Unpacked files
SH256 hash:
418cb1bd9e8eba804322d2c9d847d07b49d24819431c507322459584d17c512e
MD5 hash:
997efaa1a9d3739da977967d8a375e28
SHA1 hash:
803121b5fcdd93a8a9eca854ae360b0e86b7321b
Detections:
win_cannon_auto
Create hunting rule
Link:
https://www.unpac.me/results/4c3a0058-58b7-4736-a60e-70735d072da5/
Parent samples :
2062091ea3279a8954439ab8e4ea0433b5ba01247554bd02943958645cc6275c
324e982071890f25fabb40a498576a58b21e1072340d7acc5f9017505808fdb9
8bf77994fb5759f8be8d739cd651531fda75de8888c7f579ccafbbadb3b3decb
990f36639c443ec3624323f7a23bbe4b03da06aedf9f353e65c2575e3638026a
4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9
b55b9c8e7d6999d57626d1f33e0ebacd1744043007a990626cb92612858a6da0
bc2d32d0d8974109233b41eec39a46cc8316c219ab17735d7a01f3d862f723d8
SH256 hash:
8a37084e84be35a69628375ffa8a459209948545c0c809af4f411612fc7c2002
MD5 hash:
58b15fe7b67bb4d3facd100b1492d09c
SHA1 hash:
6a081604cf579b10c4d48247efa18820012be571
Link:
https://www.unpac.me/results/4c3a0058-58b7-4736-a60e-70735d072da5/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/4c3a0058-58b7-4736-a60e-70735d072da5/
SH256 hash:
4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9
MD5 hash:
b812c58db819c2dd9093791d9bca72ee
SHA1 hash:
c6c49b3dea65910bac895d79df0e3710fb2daec3
Link:
https://www.unpac.me/results/4c3a0058-58b7-4736-a60e-70735d072da5/
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/4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pdb2
Create hunting rule
Rule name:pdb2
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_cannon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

AgentTesla

Executable exe 4c934702874a158c678f5fce2404c52e0ef0382bb82771dc2ab5f4e9e68139a9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/266226/

Comments