MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
SHA3-384 hash: 9f9dc0a6320a20fa8c1b72e93140f1220bd362800f815e93922d810fdbf563fbb835eb4acdf3bb16c03c0c9cc165a025
SHA1 hash: 3d607276a8dcd73111885d617794ef996eac76dd
MD5 hash: b13e56038fad8afcaccfeb3cb17cb9d8
humanhash: saturn-jupiter-burger-montana
File name:PO# 23023936000.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:407'944 bytes
First seen:2023-04-19 10:22:00 UTC
Last seen:2023-04-21 18:17:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 12288:PYfROc1Js9gIndatmtQARYOkQqU6ugrRnp:PYfh3syInd1t9YRmmRp
Threatray 2'155 similar samples on MalwareBazaar
TLSH T1218412042984D58AF5B351F28D7E2A277EE4AC1151F1260F03192B2BBFA53729D7F392
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 cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
240
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO# 23023936000.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 10:24:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c391bcb9-330c-4c96-9d44-873660010db8

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/383261/
Detection(s):
Sanesecurity.Malware.28885.BadCo.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
Сreating synchronization primitives
DNS request
Sending a custom TCP 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
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/80375/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/643fc0cc000396b4e99971cd/reports/6330a9f1-4a90-40cb-9db5-e1994669fab6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c42bbf87-c550-4d89-ba59-6c965c104139
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1216827
Signature
Detected unpacking (overwrites its own PE header)
Found malware configuration
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: 849898 Sample: PO#_23023936000.pdf.exe Startdate: 19/04/2023 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 3 other signatures 2->38 7 PO#_23023936000.pdf.exe 19 2->7         started        10 scxhqmvrbkgp.exe 2->10         started        12 scxhqmvrbkgp.exe 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\Temp\izfbch.exe, PE32 7->22 dropped 14 izfbch.exe 1 2 7->14         started        process5 file6 24 C:\Users\user\AppData\...\scxhqmvrbkgp.exe, PE32 14->24 dropped 48 Multi AV Scanner detection for dropped file 14->48 50 Detected unpacking (overwrites its own PE header) 14->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->52 54 2 other signatures 14->54 18 izfbch.exe 15 7 14->18         started        signatures7 process8 dnsIp9 26 smtp.yandex.ru 77.88.21.158, 49692, 49697, 587 YANDEXRU Russian Federation 18->26 28 api4.ipify.org 104.237.62.211, 443, 49691 WEBNXUS United States 18->28 30 3 other IPs or domains 18->30 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->40 42 Tries to steal Mail credentials (via file / registry access) 18->42 44 Tries to harvest and steal browser information (history, passwords, etc) 18->44 46 Installs a global keyboard hook 18->46 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-19 00:27:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 35 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cx7n27bjdglcyw2jwhy6abwqbimtjyfqqf72cpsdrz6vyvbjwczq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2e87e2b22d84bb4fe43ce023422eeae3f4de3306fbdc5a16641f421b44ec43ef
AgentTesla
63ab4748c1ab681a7376fa180f0cd9aa86c3739ade5e86babee3896fe13094a6
AgentTesla
796b23920d8682bc314dbf7e0f2d52394d0b9d26b48a70f988353b5fd75b3499
AgentTesla
89a0e99ef4a97ea1ad4212d7f539c9e851b97108f93a6ff64bbb0b5a5e8997d7
AgentTesla
96c1f2e81dd6ac90324fe3eebbbd592670b5769adf64c8a73fb345d1749d4b02
AgentTesla
a259e91f8ab724be3909f2d4c8dda9397d9bb51a853b09164f585bead32e44f9
AgentTesla
b2562a65330211d22c8fcddf6d1971bce1f533f88698052d17830fddd31d0d86
AgentTesla
b4360f2d64d4b59c5dd1b56ccb7ed8233eeddd871fff3dd4ca9f9bead820cdb8
AgentTesla
c1fea3070e2c0836fee930ce393a597e18a4c383a4ba007700d638f6a956da2c
AgentTesla
f873aff34af07e0be6364498ef313f9e21454ba6fcab0a24c5da2a438de2770c
AgentTesla
+ 2'145 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/230419-md8cpshh62/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/58616334-f266-43c1-9d31-4e5009b1e2a6/
Parent samples :
15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
bb3167924a5576e7b920d9f7976452b90c6c2674f08e63b0ba658d49eaec20ac
SH256 hash:
8ec93464053f270b08641a08c9dc7ae9ed7dc54493c7fab9064dcc6e3b634579
MD5 hash:
243ce012c474184106b10cb8ce062b44
SHA1 hash:
a72aff80173dbafe14b280bd1e9fcf408e303ca0
Link:
https://www.unpac.me/results/58616334-f266-43c1-9d31-4e5009b1e2a6/
SH256 hash:
15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
MD5 hash:
b13e56038fad8afcaccfeb3cb17cb9d8
SHA1 hash:
3d607276a8dcd73111885d617794ef996eac76dd
Link:
https://www.unpac.me/results/58616334-f266-43c1-9d31-4e5009b1e2a6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15fedd7c2919/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/15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3

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

rar 059f22215337b5cc1dd56b6235b8c5c26519409a126ab1470494cda8d5a72662

AgentTesla

Executable exe 15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 059f22215337b5cc1dd56b6235b8c5c26519409a126ab1470494cda8d5a72662
Cape
Cape
https://www.capesandbox.com/analysis/383261/
  
Dropped by
MD5 9322cbb3f2054aaa737951a734b6fa1f

Comments