MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070
SHA3-384 hash: 9806f61674afcdd2520834ab4faf30f390b2da72bdd781d7b4b7b51ff1638e164441e6627b2de9f194b9f048145f6ebf
SHA1 hash: 797ca633afbbd217f34dae515415665da2336a04
MD5 hash: 1f2b86c70d821521cbe006e55e60e0a7
humanhash: mexico-stream-lima-autumn
File name:20895137.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:547'628 bytes
First seen:2022-11-17 07:04:18 UTC
Last seen:2022-11-17 12:20:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:jEa0iWrF2WTIge6K/7kVMMzq9E5FQIoSCdo87srVQ2VrESxIniDOVIgwtY4:HaF2mlNEIFa+XAdl730YsInaOVctB
TLSH T115C4BD366873A054FEFDC2367DD0779182657ABEACDC0F86D644BACA35B72C11631062
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 66c29abaaaaaaa86 (20 x AgentTesla, 10 x Formbook, 7 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
206
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
20895137.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 07:05:52 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/1f7f9ba6-b898-45ce-82f7-ef05f5805fdc

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/335190/
Detection(s):
SecuriteInfo.com.Variant.Strictor.275982.24120.11935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll strictor
Link:
https://www.filescan.io/uploads/6375dd1f4dc24c6f80b846d5/reports/9a505b41-95f2-4946-a6bc-2463a234aeb3/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/2d425ac0-fa80-493b-89ec-e778c8c42fea
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115528
Signature
Antivirus detection for dropped file
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 748224 Sample: 20895137.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 2 other signatures 2->68 7 20895137.exe 18 2->7         started        10 wirulnaybgmenb.exe 2->10         started        13 wirulnaybgmenb.exe 2->13         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\vvtac.exe, PE32 7->30 dropped 15 vvtac.exe 1 2 7->15         started        76 Antivirus detection for dropped file 10->76 78 Multi AV Scanner detection for dropped file 10->78 80 Detected unpacking (creates a PE file in dynamic memory) 10->80 82 4 other signatures 10->82 19 wirulnaybgmenb.exe 14 3 10->19         started        22 wirulnaybgmenb.exe 10->22         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\...\wirulnaybgmenb.exe, PE32 15->32 dropped 46 Antivirus detection for dropped file 15->46 48 Multi AV Scanner detection for dropped file 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 60 5 other signatures 15->60 24 vvtac.exe 17 4 15->24         started        28 vvtac.exe 15->28         started        34 webmail.jackbarber.com 19->34 36 3.220.57.224, 443, 49700 AMAZON-AESUS United States 19->36 38 2 other IPs or domains 19->38 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->52 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal ftp login credentials 19->56 58 Tries to harvest and steal browser information (history, passwords, etc) 19->58 file8 signatures9 process10 dnsIp11 40 webmail.jackbarber.com 138.128.163.242, 49699, 49701, 587 DIMENOCUS United States 24->40 42 api.ipify.org.herokudns.com 52.20.78.240, 443, 49691 AMAZON-AESUS United States 24->42 44 api.ipify.org 24->44 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->70 72 Tries to steal Mail credentials (via file / registry access) 24->72 74 Creates multiple autostart registry keys 24->74 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070/
Threat name:
Win32.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 04:52:24 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
27 of 39 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7syhk4njzai3bxsfjj3sennw2jlvxgmvv3lpn53sv2qlsojswbya._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/221117-hwhgsadh25/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d87428bd-221c-4fb1-bd07-abdc5bb662c8
Unpacked files
SH256 hash:
6800c3880bdf3b78915cb7c672f5433a8ef07b407adf40558ab132dd9a5899f1
MD5 hash:
de8221f3c9d862f2449e73c8950f6bf2
SHA1 hash:
e0f5241850b2e2f7245669ac200f70da864bc824
Link:
https://www.unpac.me/results/eb931d5a-3a47-4fb7-9b7d-39aefaf36714/
SH256 hash:
452640c87c426414095f60ebcb4569d3fed812d985f32c4ceb81b017cfe9de40
MD5 hash:
d0c39c8313337ca90d6b6f67e4d9b3c1
SHA1 hash:
772867d5a807eb9d41f74ec2bc05dc9a595a4461
Link:
https://www.unpac.me/results/eb931d5a-3a47-4fb7-9b7d-39aefaf36714/
SH256 hash:
6f4d76617234f9e66c1747ee7acb523b312459f3464efcdf703c8f608611ae86
MD5 hash:
6a5f2516a4f18d89d022e3c0ae35de33
SHA1 hash:
730eb1d05b50bff096a264852113fc4ed7c591d0
Link:
https://www.unpac.me/results/eb931d5a-3a47-4fb7-9b7d-39aefaf36714/
SH256 hash:
fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070
MD5 hash:
1f2b86c70d821521cbe006e55e60e0a7
SHA1 hash:
797ca633afbbd217f34dae515415665da2336a04
Link:
https://www.unpac.me/results/eb931d5a-3a47-4fb7-9b7d-39aefaf36714/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fcb07571a9c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070

File information

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

Malspam

AgentTesla

Executable exe fcb07571a9c811b0de454a772235b6d2575b9995aed6f6f772aea0b93932b070

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335190/

Comments