MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6
SHA3-384 hash: d1e5da04a05543f25a55ce277e39b7d5cdb7d48c6ae66b04156e12521158404e1d7cce7cf989d9c0b8b4316d15b6e840
SHA1 hash: 500d8e5f56454dfd6891cd67e62e88f5044ae087
MD5 hash: 5c8c0b605e0fdec7bc19fff4d6d1cd23
humanhash: three-nebraska-bacon-hamper
File name:REQUIREMENT100420230001001010.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:336'035 bytes
First seen:2023-04-11 10:27:59 UTC
Last seen:2023-04-16 16:19:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa61jZiaSZWhbUdtyVtZNa2aPrjlb6Mi8I/wimMmJAY5y0:PY3jD6J7yVkXPAMvIePAYA0
Threatray 1'933 similar samples on MalwareBazaar
TLSH T155642202B3E0C877F8C35AB12F7D41A96FB5620806F2965F1750A62E78B75C2CB5CB42
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUIREMENT100420230001001010.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 10:43:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7d3b0ec8-98d0-4d5a-bdc4-3c2f5709b8f1

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/381409/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66338453.20747.21545.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
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
Setting a keyboard event handler
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77357/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/64353635f40ab7ac37f953bc/reports/bd152c74-3305-4cdf-9173-d2e4fa297340/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6
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/bc78c413-ea06-44e4-ba65-4e1ffeb0ef7b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211686
Signature
Contains functionality to detect sleep reduction / modifications
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 844603 Sample: REQUIREMENT1004202300010010... Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 Uses an obfuscated file name to hide its real file extension (double extension) 2->43 45 2 other signatures 2->45 7 REQUIREMENT100420230001001010.pdf.exe 19 2->7         started        10 hxjueaj.exe 2->10         started        12 hxjueaj.exe 2->12         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\fzcgqm.exe, PE32 7->27 dropped 14 fzcgqm.exe 1 2 7->14         started        18 WerFault.exe 4 10 10->18         started        21 WerFault.exe 1 10 12->21         started        process5 dnsIp6 29 C:\Users\user\AppData\Roaming\...\hxjueaj.exe, PE32 14->29 dropped 55 Multi AV Scanner detection for dropped file 14->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->57 59 May check the online IP address of the machine 14->59 61 3 other signatures 14->61 23 fzcgqm.exe 15 7 14->23         started        31 192.168.2.1 unknown unknown 18->31 file7 signatures8 process9 dnsIp10 33 smtp.yandex.ru 77.88.21.158, 49692, 49693, 587 YANDEXRU Russian Federation 23->33 35 api4.ipify.org 64.185.227.155, 443, 49691 WEBNXUS United States 23->35 37 2 other IPs or domains 23->37 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->47 49 Tries to steal Mail credentials (via file / registry access) 23->49 51 Tries to harvest and steal browser information (history, passwords, etc) 23->51 53 Installs a global keyboard hook 23->53 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-10 01:46:36 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=movuosgbvnubu43w7ima6dgzvkdmg4423zpinov64oew7yjqssta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
AgentTesla
60230d8230a3927a13571a6c4a9373a064211251e65633f9c6c1f1881bc08d1f
AgentTesla
89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
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8baf546dcd2dc51c04c029bc9fde4b160ee559ff83645883a6dccae20d7b6021
AgentTesla
96c1f2e81dd6ac90324fe3eebbbd592670b5769adf64c8a73fb345d1749d4b02
AgentTesla
a259e91f8ab724be3909f2d4c8dda9397d9bb51a853b09164f585bead32e44f9
AgentTesla
c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c
AgentTesla
d9d9e3cc542fd9391c9ae953b0071b0a4a450df7d6e3e5563df812b128ab2620
AgentTesla
f873aff34af07e0be6364498ef313f9e21454ba6fcab0a24c5da2a438de2770c
AgentTesla
+ 1'923 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/230411-mhnh4ade6y/
Behaviour
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Executes dropped EXE
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
AgentTesla
Unpacked files
SH256 hash:
bb3167924a5576e7b920d9f7976452b90c6c2674f08e63b0ba658d49eaec20ac
MD5 hash:
ccd1f2f9cf4d5a726588f05ad8f973bf
SHA1 hash:
c41623c6f4d5c3eb5cbcf4a269f3fc06f5383c28
Link:
https://www.unpac.me/results/9baa85f8-1d0f-426d-85b1-f7a662f0c6d3/
Parent samples :
15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
bb3167924a5576e7b920d9f7976452b90c6c2674f08e63b0ba658d49eaec20ac
SH256 hash:
1a41b7a9574c4a4c80795b1c0458bf3a8903e44ef0f83b57fe082d5d05a07f3b
MD5 hash:
12c383851faaeabe6bef5e0e50fd686e
SHA1 hash:
8a18df07bc4202c19ba5cfea3469b4edb451f89d
Link:
https://www.unpac.me/results/9baa85f8-1d0f-426d-85b1-f7a662f0c6d3/
SH256 hash:
63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6
MD5 hash:
5c8c0b605e0fdec7bc19fff4d6d1cd23
SHA1 hash:
500d8e5f56454dfd6891cd67e62e88f5044ae087
Link:
https://www.unpac.me/results/9baa85f8-1d0f-426d-85b1-f7a662f0c6d3/
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/63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381409/

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