MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d92da33493917017ff937789890dfacd02c22671abd9ea8c196ea9dfd90f3a72. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: d92da33493917017ff937789890dfacd02c22671abd9ea8c196ea9dfd90f3a72
SHA3-384 hash: 09c598dd03e3baf5b7dcf1ffb99b739cabe2e63dcccced45eafc3ba19a94d0caa46df03621d9c860babb2339ad5ad1c2
SHA1 hash: e22f5af6b9fbbd7c8a054959f15cd37de2eda8c0
MD5 hash: b61753a6ba84f4688875f9c07d039604
humanhash: apart-carolina-march-november
File name:Purchaselist_january2024.exe
Download: download sample
Signature Formbook
File size:689'664 bytes
First seen:2023-12-12 18:28:06 UTC
Last seen:2023-12-12 20:21:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:e1G+4WpAEvy9i9cHpLoKY0otrztmzsw61l3sg1+YOoTOanF+:IpAE79Sop0ot9mQwmlT+YOoSa
TLSH T1F5E423107A76062FD6F653F2589023592370BE06B197FBC82CD172EB66E1B731A70267
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0c896b2b296e8f0 (19 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
246
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchaselist_january2024.exe
Verdict:
Malicious activity
Analysis date:
2023-12-12 21:24:12 UTC
Tags:
evasion stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
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:
hook keylogger masquerade packed
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.
Result
Threat name:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
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)
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
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1360685 Sample: Purchaselist_january2024.exe Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 31 api.telegram.org 2->31 33 ip-api.com 2->33 35 2 other IPs or domains 2->35 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 61 10 other signatures 2->61 7 Purchaselist_january2024.exe 3 2->7         started        10 gPBva.exe 3 2->10         started        12 gPBva.exe 2 2->12         started        signatures3 59 Uses the Telegram API (likely for C&C communication) 31->59 process4 signatures5 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->67 69 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->69 14 Purchaselist_january2024.exe 16 5 7->14         started        71 Machine Learning detection for dropped file 10->71 73 Injects a PE file into a foreign processes 10->73 19 gPBva.exe 14 2 10->19         started        21 gPBva.exe 12->21         started        23 gPBva.exe 12->23         started        25 gPBva.exe 12->25         started        process6 dnsIp7 37 api4.ipify.org 104.237.62.212, 443, 49701, 49708 WEBNXUS United States 14->37 39 ip-api.com 208.95.112.1, 49702, 49710, 49719 TUT-ASUS United States 14->39 41 api.telegram.org 149.154.167.220, 443, 49704, 49707 TELEGRAMRU United Kingdom 14->41 27 C:\Users\user\AppData\Roaming\...\gPBva.exe, PE32 14->27 dropped 29 C:\Users\user\...\gPBva.exe:Zone.Identifier, ASCII 14->29 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->43 45 Tries to steal Mail credentials (via file / registry access) 14->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 51 Installs a global keyboard hook 21->51 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-12 09:37:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
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
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
https://api.telegram.org/bot6631345683:AAG0KAitVqlRPe3J9NARhlF8IRjRjuxDyK8/
Unpacked files
SH256 hash:
fad248be24a2badc5eafdb8da85117abc50d443e70439678a72ce924c133c71f
MD5 hash:
cdbf462cad867ecb912218996c83d757
SHA1 hash:
efb3d52f556ceba3f1478a9e93435823c48c3d2e
Detections:
win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
9feeaef3d0ef7d9db78eb89ebc0c1d3a0330293808626ec75bf9bd1e9c7d28de
MD5 hash:
0b60a5531a3d6cdef54406f6638bf974
SHA1 hash:
cfd6eef8e102b42a36c8ddbce5cdb75848fdabbd
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
SH256 hash:
d92da33493917017ff937789890dfacd02c22671abd9ea8c196ea9dfd90f3a72
MD5 hash:
b61753a6ba84f4688875f9c07d039604
SHA1 hash:
e22f5af6b9fbbd7c8a054959f15cd37de2eda8c0
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

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