MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a
SHA3-384 hash: d5b90da047eb942d09d8caf74b2ad6835dcdef746748d41fe5a5b6935037c1886249e07da1da5e85342f20c1d3e946ff
SHA1 hash: 633fa5ccb3c4d81a75c7f38476856420c912b416
MD5 hash: b136f6d348b37f681398fbf206ea194f
humanhash: sierra-black-apart-wisconsin
File name:Curriculum Vitae Maria.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:766'464 bytes
First seen:2023-02-01 03:18:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:EKuMtEwcU3gZ+GQzjkATGdsd35j5XDhkfiWX6MjZwo7Or:Ez6AAgZbQzlGo3vPMmoM
TLSH T1F9F42321B3EC6351D6B903FEA903821113B63205A925F37E19EDF3EB2A357514590AEB
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 Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Curriculum Vitae Maria.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 03:21:01 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/05665e36-47a5-41c9-9fd9-c84e355152f3

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/358832/
Detection(s):
Win.Packed.Nanocore-9985491-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63d9da27fcc41339192efddc/reports/cfcf5fd8-4820-43ae-bbac-041d0eae8a86/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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9330c7a6-7b19-436e-ac5f-b82e94844cea
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1162866
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795621 Sample: Curriculum Vitae Maria.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 12 other signatures 2->41 6 Curriculum Vitae Maria.exe 3 2->6         started        9 UpDaTe.exe 2->9         started        12 UpDaTe.exe 2 2->12         started        14 2 other processes 2->14 process3 file4 31 C:\Users\...\Curriculum Vitae Maria.exe.log, ASCII 6->31 dropped 16 Curriculum Vitae Maria.exe 17 5 6->16         started        53 Antivirus detection for dropped file 9->53 55 Multi AV Scanner detection for dropped file 9->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->57 59 2 other signatures 9->59 21 UpDaTe.exe 2 12->21         started        23 UpDaTe.exe 12->23         started        25 UpDaTe.exe 2 14->25         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49695, 49696 TELEGRAMRU United Kingdom 16->33 27 C:\Users\user\AppData\Local\...\UpDaTe.exe, PE32 16->27 dropped 29 C:\Users\user\...\UpDaTe.exe:Zone.Identifier, ASCII 16->29 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->43 45 Tries to steal Mail credentials (via file / registry access) 16->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->47 49 Tries to harvest and steal ftp login credentials 21->49 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-01-24 17:39:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hmlniqyvgj6sl7l72yt32zajwvoc5gy267rwlbbiqwwjagbshf5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230201-dt6z5sde7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5700681005:AAF2K-iQMsKRkqCcUgSZLmmugrKJcbb8Xg8/
Unpacked files
SH256 hash:
1d04d1d8bbc7693e0d9272e6caa02382223f4cbe6eb9e790001bb3152e45f130
MD5 hash:
88631a62a53ee2ab5fd7147573f7400b
SHA1 hash:
f74d9b96f7223c4500249a9f1e38a8c99e5ca31d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
Parent samples :
d92dc725e302f2574bed3e77b7b5869138bbc73f587c96d041b1da39ec4fb3ca
f8140bd38c291529ed13228acf3c2238246a7faf466ab8cf66582691f765d0a9
0301b9c05ff6834e51220ddf3f7967a32b857187073ea83da75fe803da7379e4
3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a
SH256 hash:
411569f9f0b865c651adc1234d23f86cd98fe5cd641704702276e9882be113b6
MD5 hash:
7648892096f37af50468509c5b051180
SHA1 hash:
a56a074c2770152761f6c4975db0e9f7d57f8cda
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
SH256 hash:
fae85d63c653605f7fd64a714a2a4248d02fa734e58bcd555a6cf540f6351f05
MD5 hash:
ef080c880a33af365c1ef79ba58a002c
SHA1 hash:
47a9a9e631e49a10183188f182c2e99a837a9b45
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
SH256 hash:
5af0b483db9ba1c8707bf2c499fdd5b54edac826f21962cc88712bb1e74c48af
MD5 hash:
d7227fe4ec3f7d2ae98cafe25d5b457b
SHA1 hash:
387a229bdd8c00a2f7d825df059e0841c0ebd1b1
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
SH256 hash:
3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a
MD5 hash:
b136f6d348b37f681398fbf206ea194f
SHA1 hash:
633fa5ccb3c4d81a75c7f38476856420c912b416
Link:
https://www.unpac.me/results/15446b9a-98c1-43a6-b3ef-2533fde24e05/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b16d4431532/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/3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a

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 3b16d44315327d25fd7fd627bd6409b55c2e9b1af7e365842885ac901832397a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358832/

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