MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75071bdc442482cc27cc870dd7260c209e701bd855dcb000ce1c2cfc29340515. 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 10 File information Comments

SHA256 hash: 75071bdc442482cc27cc870dd7260c209e701bd855dcb000ce1c2cfc29340515
SHA3-384 hash: 218e068afb8d3e26f136a34f9ad012a4707b7d5f2c985be5516b9a217a977a9b88c6c5a81bbac283db34e7dfd7d297cb
SHA1 hash: e840a8ac77148765d8f9261c3d7002cfce6c95e7
MD5 hash: 9a8243a3e61988ca5961608d3a7729bd
humanhash: nine-romeo-berlin-avocado
File name:pobierz-13-02 -2024.docx.exe
Download: download sample
Signature Formbook
File size:1'058'909 bytes
First seen:2024-02-13 08:17:31 UTC
Last seen:2024-02-13 10:26:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:pRmJkcoQricOIQxiZY1ia6TQ2MgO/BBkBoE3A8:mJZoQrbTFZY1ia6/ruBk3n
Threatray 127 similar samples on MalwareBazaar
TLSH T18835CF11B5C58036C2A22EF19E7EF7999E39ED270322D19723CB2D717E601416BE9723
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 24e4c4d4e4e8dcc4 (3 x QuasarRAT, 2 x AveMariaRAT, 2 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
354
Origin country :
PL PL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin masquerade overlay packed shell32
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, PureLog Stealer, RedLine
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
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)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391241 Sample: pobierz-13-02 -2024.docx.exe Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 25 api.telegram.org 2->25 27 ip-api.com 2->27 29 api.ipify.org 2->29 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 53 14 other signatures 2->53 7 pobierz-13-02 -2024.docx.exe 4 2->7         started        10 eVnxs.exe 2 2->10         started        12 eVnxs.exe 1 2->12         started        signatures3 51 Uses the Telegram API (likely for C&C communication) 25->51 process4 signatures5 55 Writes to foreign memory regions 7->55 57 Maps a DLL or memory area into another process 7->57 14 RegSvcs.exe 16 4 7->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        process6 dnsIp7 31 ip-api.com 208.95.112.1, 49730, 80 TUT-ASUS United States 14->31 33 api.telegram.org 149.154.167.220, 443, 49731 TELEGRAMRU United Kingdom 14->33 35 api.ipify.org 104.26.13.205, 443, 49729 CLOUDFLARENETUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\eVnxs.exe, PE32 14->23 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 4 other signatures 14->43 file8 signatures9
Threat name:
Win32.Spyware.RedLine
Status:
Malicious
First seen:
2024-02-13 08:18:07 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
a888de32c0a3b68fcdf4d1edd452e8bf47c036c48163bec474e49542e71e47e0
MD5 hash:
68bbcea0c04222d91c60966a58c4565b
SHA1 hash:
d371cae3d3ea8795d8f080a95f6d4f0791ed1dd9
Detections:
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:
59547a3509cb349cac6ef5f13ae1633cde20d72afc1ce12f00e623367513475d
MD5 hash:
d6626540349f8139fd59e7717d0967cc
SHA1 hash:
558886ae508deb68c27d778584e92ecde101c9d4
Detections:
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers RedLine_Campaign_June2021 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:
50289aded560a893ec92f8b27f2379cb85d3c8aa14db222821f95ae10a960606
MD5 hash:
b7991bd3ddd37dcade2a82c6a7dce6b2
SHA1 hash:
1b974056d8f726c93cde99cfe1c47e0b06bd3ec7
Detections:
MAL_Malware_Imphash_Mar23_1 MALWARE_Win_RedLine
SH256 hash:
75071bdc442482cc27cc870dd7260c209e701bd855dcb000ce1c2cfc29340515
MD5 hash:
9a8243a3e61988ca5961608d3a7729bd
SHA1 hash:
e840a8ac77148765d8f9261c3d7002cfce6c95e7
Detections:
AutoIT_Compiled
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:AutoIt
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu

File information


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

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