MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166. 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


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166
SHA3-384 hash: 91b0f2287ee70f6be9e0114dd4551af2bbcfc23bb2a8912816b3a2c315dfd535cc13af39cfd0d79a6b3909465520005f
SHA1 hash: 146d3594320e9cedf40096c556910024054db423
MD5 hash: 5300be3aaf1f2f59190a1afc23a83393
humanhash: november-uncle-december-kitten
File name:Order_240117.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:669'184 bytes
First seen:2024-01-18 08:55:05 UTC
Last seen:2024-01-24 14:02:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:CePFLVoq3FCCIJJ6ZnQLaHW/W3Pl1JkLpie+5fkD:CePRVoMFCHJJ6pQLaHYW/7Ne
TLSH T106E4234117B4B35FC736DFB2186A8F320B7558320775E88C6EE290EF472A3A056E5B25
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
321
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Order_240117.zip
Verdict:
Malicious activity
Analysis date:
2024-01-18 08:02:22 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/0eb56ebe-9e13-4911-b058-9264b2d3832d

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/471458/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65a8e7a3fd5068bbc3d950da/reports/8677e2dd-dabe-49f9-a4fd-df6e03e8004d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/52e273fe-74c9-45f8-9c27-068244c741ce
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1376595
Signature
.NET source code contains potential unpacker
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
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
Installs a global keyboard hook
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 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 Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1376595 Sample: Order_240117.exe Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 31 api.telegram.org 2->31 33 ip-api.com 2->33 35 2 other IPs or domains 2->35 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 65 10 other signatures 2->65 7 Order_240117.exe 3 2->7         started        10 lhkgfhdg.exe 3 2->10         started        12 lhkgfhdg.exe 2 2->12         started        signatures3 63 Uses the Telegram API (likely for C&C communication) 31->63 process4 signatures5 67 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->71 73 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->73 14 Order_240117.exe 16 5 7->14         started        19 Order_240117.exe 7->19         started        75 Multi AV Scanner detection for dropped file 10->75 77 Machine Learning detection for dropped file 10->77 79 Contains functionality to register a low level keyboard hook 10->79 21 lhkgfhdg.exe 14 2 10->21         started        81 Injects a PE file into a foreign processes 12->81 23 lhkgfhdg.exe 12->23         started        25 lhkgfhdg.exe 12->25         started        process6 dnsIp7 37 api4.ipify.org 173.231.16.75, 443, 49731 WEBNXUS United States 14->37 39 ip-api.com 208.95.112.1, 49733, 49739, 49748 TUT-ASUS United States 14->39 41 api.telegram.org 149.154.167.220, 443, 49734, 49742 TELEGRAMRU United Kingdom 14->41 27 C:\Users\user\AppData\...\lhkgfhdg.exe, PE32 14->27 dropped 29 C:\Users\...\lhkgfhdg.exe:Zone.Identifier, ASCII 14->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file / registry access) 14->47 49 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->51 43 104.237.62.211, 443, 49737, 49747 WEBNXUS United States 21->43 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 55 Installs a global keyboard hook 23->55 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-01-17 15:07:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxvtv5apmacljg5vujnwp2qlwtawfygx5fxxaur74bcwuxz3qfta._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240118-kv2kdaghd3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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/bot6607585641:AAGlKtQQF46yWaBlXwtCIOhqqkl_4U3UWWg/
Unpacked files
SH256 hash:
bb265a8187cc1151c765128f6b8340c01b6283e29a3bbc8a3086a6c0a822c604
MD5 hash:
cb694dfef9a731230d1534e865e8f9b1
SHA1 hash:
defec996a4dc314488b016d7727f6c22ef4917fd
Link:
https://www.unpac.me/results/fee36b20-5b48-4ecb-aa7a-a008d096732e/
SH256 hash:
c4afc98a976b7b7a3a1cd8fc18363bfba62cc20dc0dc766b10fc87aa92f460a1
MD5 hash:
a4b316d27fe9c5bf7ce3c757de5708b4
SHA1 hash:
d2bc6444a5f6ace0ce0cbdf37c967a486e0bb295
Link:
https://www.unpac.me/results/fee36b20-5b48-4ecb-aa7a-a008d096732e/
SH256 hash:
761c365377b932c963dde44ad0132b693c24cd1060dffdf61b6a1fb02a29309f
MD5 hash:
ce16e1909361f772057254d947662c1e
SHA1 hash:
94248eca0d0982700be42638565c1bf951cc8ec7
Link:
https://www.unpac.me/results/fee36b20-5b48-4ecb-aa7a-a008d096732e/
SH256 hash:
5f01fb747a46cfc38589968dbcd1e0c9b4f19c0ed04e1d2d0d69b1eef9bc6211
MD5 hash:
3da0286d768e9248a29873fad1288087
SHA1 hash:
5dc718105c1001014854697505a720c4f683cc1e
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/fee36b20-5b48-4ecb-aa7a-a008d096732e/
SH256 hash:
65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166
MD5 hash:
5300be3aaf1f2f59190a1afc23a83393
SHA1 hash:
146d3594320e9cedf40096c556910024054db423
Link:
https://www.unpac.me/results/fee36b20-5b48-4ecb-aa7a-a008d096732e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65eb3af40f60/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

Executable exe 65eb3af40f6004b49bb5a25b67ea0bb4c162e0d7e96f70523fe0456a5f3b8166

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/471458/

Comments