MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e
SHA3-384 hash: 1f0bf50a09c14bac7d42bc3bcd96a1636cabee2aa5ab29f69b5bd187b0ce904ef362e2d535d0264ccabf50b8c9cc1ab9
SHA1 hash: 191327955edaa9f73d61b6f4336c8c10fb2ea498
MD5 hash: 7d8a6456b6f8e3b60d1c8cfa96b26575
humanhash: social-six-july-oklahoma
File name:09876543678.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:564'232 bytes
First seen:2024-05-20 17:39:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 12288:4H7MMIqb9B3vYvGyXidl4ggn1N4MGKDit8UeplW8LmZq:M7a69B3gRkTgn1aMGKDi4lW8Lm8
Threatray 449 similar samples on MalwareBazaar
TLSH T15AC4F0A23A41E47BF65497300EF2DE7DFBB8BC506A01460772A8772E29377419E095CE
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 b170f0a4cce86400 (2 x Formbook, 1 x GuLoader)
Reporter James_inthe_box
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Taareperses
Issuer:Taareperses
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-24T05:35:47Z
Valid to:2027-03-24T05:35:47Z
Serial number: 7bb7921d349b41c907c032fa69209b7e503afa79
Thumbprint Algorithm:SHA256
Thumbprint: d79cc4f2b71c82834e3454a7a4e19dcc40215ff397bc79c49ee95b8cc71f3b97
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
528
Origin country :
US US
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-20 17:42:31 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/437b8a00-d455-46de-abca-b35c36529e5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Zum.Androm.1.1011.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Network Static Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the %temp% subdirectories
Launching a process
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e
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/09827c6d-de25-4e4b-ab57-1eb0e27319b8
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1444462
Signature
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1444462 Sample: 09876543678.exe Startdate: 20/05/2024 Architecture: WINDOWS Score: 100 49 www.vibrantbhutan.com 2->49 51 www.uhahiq.com 2->51 53 5 other IPs or domains 2->53 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for URL or domain 2->67 69 3 other signatures 2->69 9 09876543678.exe 1 44 2->9         started        signatures3 process4 file5 45 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 9->45 dropped 47 C:\Users\user\...\Lokalplanomraader.Unt, ASCII 9->47 dropped 85 Suspicious powershell command line found 9->85 13 tWDUIRpXAudHEdfDrvlI.exe 9->13 injected 16 powershell.exe 20 9->16         started        19 cmd.exe 1 9->19         started        signatures6 process7 file8 87 Found direct / indirect Syscall (likely to bypass EDR) 13->87 21 wlanext.exe 13 13->21         started        24 Magnify.exe 13->24         started        43 C:\Users\user\AppData\Local\...\Uniformal.exe, PE32 16->43 dropped 89 Obfuscated command line found 16->89 91 Writes to foreign memory regions 16->91 93 Sample uses process hollowing technique 16->93 95 2 other signatures 16->95 26 Uniformal.exe 2 7 16->26         started        29 conhost.exe 16->29         started        31 cmd.exe 1 16->31         started        33 conhost.exe 19->33         started        35 reg.exe 1 1 19->35         started        signatures9 process10 dnsIp11 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 75 Modifies the context of a thread in another process (thread injection) 21->75 77 Queues an APC in another process (thread injection) 21->77 37 tWDUIRpXAudHEdfDrvlI.exe 21->37 injected 41 firefox.exe 21->41         started        61 vibrantbhutan.com 148.72.213.232, 443, 49706 AS-26496-GO-DADDY-COM-LLCUS United States 26->61 79 Multi AV Scanner detection for dropped file 26->79 81 Maps a DLL or memory area into another process 26->81 signatures12 process13 dnsIp14 55 parkingpage.namecheap.com 91.195.240.19, 49709, 49710, 49711 SEDO-ASDE Germany 37->55 57 a258paw.yb550.com 147.92.36.247, 49713, 49714, 80 DNC-ASDimensionNetworkCommunicationLimitedHK Hong Kong 37->57 59 www.trabnyvideosx.com 199.59.243.225, 49708, 80 BODIS-NJUS United States 37->59 83 Found direct / indirect Syscall (likely to bypass EDR) 37->83 signatures15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e/
Threat name:
Win32.Trojan.Guloader
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Status:
Malicious
First seen:
2024-05-20 08:33:49 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oh3szytwfjcjzirdhd7rann2cg4g5klu6onxo6plukumjafrre7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
083a3fd47e58d83c6a4265bcb00f93d30cc2901d6637ae9648411e83d3ad5017
Formbook
1ae1583b2be5c21f228a0e925652c9f5013bddf699548ca39b02670576325010
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23ecba0be777d9b7a5683d0939d9ae17c4427c46e51ff959e91785d83c60efd1
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389def5368cc545926f364b380b16504eee871fe108ce92e4b65011182929c25
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43319fa796c6b542426e4e853a26a12d9a1cd49687878484a5bae88d246600cb
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462739185259ac15157123f42441070d987e3cea3c266b016ee4f4f9235227a2
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cd533d45b704ab35ca35b9162805abb28710ca25399344812fa9f8598a93b30b
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d4a027269ca7a78f578e980333ac22f8ab39d5f4ef71490b49af6cb884195321
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f8a6c58d226e584aad84d5ede794437d88f9a8b82cd1c899417c2572d5e4cba4
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fe7ff83680ff3855e060227bddf560db0fe75b141db516320674dace99202224
Formbook
+ 439 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/240520-v8vzvsbe8t/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/81d452f6-54e1-4c42-a5a1-8b68087346a3
Unpacked files
SH256 hash:
8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c
MD5 hash:
1c8b2b40c642e8b5a5b3ff102796fb37
SHA1 hash:
3245f55afac50f775eb53fd6d14abb7fe523393d
Link:
https://www.unpac.me/results/e56703e5-14eb-4695-acde-f75616b10e8d/
SH256 hash:
114c6941a8b489416c84563e94fd266ea5cad2b518db45cd977f1f9761e00cb1
MD5 hash:
09c2e27c626d6f33018b8a34d3d98cb6
SHA1 hash:
8d6bf50218c8f201f06ecf98ca73b74752a2e453
Link:
https://www.unpac.me/results/e56703e5-14eb-4695-acde-f75616b10e8d/
SH256 hash:
71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e
MD5 hash:
7d8a6456b6f8e3b60d1c8cfa96b26575
SHA1 hash:
191327955edaa9f73d61b6f4336c8c10fb2ea498
Link:
https://www.unpac.me/results/e56703e5-14eb-4695-acde-f75616b10e8d/
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/71f72ce2762a449ca22338ff1035ba11b86ea974f39b7779eba2a8c480b1893e

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

  
Delivery method
Other

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::SetFileSecurityA
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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