MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976
SHA3-384 hash: 6b7249ba555feb0a964d2d44b56c7ac08db20031970b016f1b994d460c0626b651dfbf9c8f04d74d96a1f4cd39793c63
SHA1 hash: e32b5ff6d109b529112f35c8f639fbb1bb5f4986
MD5 hash: 9e8270179f04d867463a09af7ee36e32
humanhash: ten-north-six-missouri
File name:textless.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:621'676 bytes
First seen:2025-03-10 10:21:29 UTC
Last seen:2025-03-10 11:19:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f67aeda01a0484282e8c59006b0b352 (51 x GuLoader, 9 x RemcosRAT, 9 x VIPKeylogger)
ssdeep 12288:JowisraETWNMHwQsNNG14vkM46P/wyeqwvcinEFAKSN+qq/9lX97:Jow/ra8WKQlM14h46P/wAYSLqq/7X97
TLSH T170D401FD2BC0AD1BC0E09E7164A767EB73659E1F6349574FE332B75C2A721A3180508A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon f0f0ec9cdc1a9ef8 (1 x VIPKeylogger, 1 x Formbook, 1 x GuLoader)
Reporter smica83
Tags:exe FormBook HUN

Intelligence

File Origin
# of uploads :
2
# of downloads :
427
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
textless.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-10 10:24:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8649a1b8-3e12-4fa5-a20d-275c842ffabe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.7435.31559.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Score:
50%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cec4c31f777fe3060891f1
Tags:
obfuscate shellcode xtreme
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer microsoft_visual_cc overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67cebd613c5f644bd94b01ce/reports/f1d76c49-cb7a-4597-9caa-d89a5d037bfb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/4740de2c-9dc3-4b39-8c87-8e03e1fce5d3
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633447
Signature
Early bird code injection technique detected
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1633447 Sample: textless.exe Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 42 drive.usercontent.google.com 2->42 44 drive.google.com 2->44 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected FormBook 2->64 66 Yara detected GuLoader 2->66 68 Joe Sandbox ML detected suspicious sample 2->68 11 textless.exe 1 39 2->11         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 40 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 11->40 dropped 17 powershell.exe 30 11->17         started        50 127.0.0.1 unknown unknown 14->50 file6 process7 file8 36 C:\Users\user\AppData\...\Versificator.exe, PE32 17->36 dropped 38 C:\Users\...\Versificator.exe:Zone.Identifier, ASCII 17->38 dropped 54 Early bird code injection technique detected 17->54 56 Writes to foreign memory regions 17->56 58 Sample uses process hollowing technique 17->58 60 4 other signatures 17->60 21 Versificator.exe 6 17->21         started        25 conhost.exe 17->25         started        signatures9 process10 dnsIp11 46 drive.usercontent.google.com 142.250.185.97, 443, 49693 GOOGLEUS United States 21->46 48 drive.google.com 216.58.212.142, 443, 49692 GOOGLEUS United States 21->48 70 Multi AV Scanner detection for dropped file 21->70 72 Maps a DLL or memory area into another process 21->72 74 Switches to a custom stack to bypass stack traces 21->74 27 0ogHncCUa.exe 21->27 injected signatures12 process13 signatures14 76 Found direct / indirect Syscall (likely to bypass EDR) 27->76 30 logman.exe 27->30         started        process15 signatures16 78 Maps a DLL or memory area into another process 30->78 33 0ogHncCUa.exe 30->33 injected process17 signatures18 52 Found direct / indirect Syscall (likely to bypass EDR) 33->52
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 00:22:49 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zq2x4dandnfqzhg2vixx7vjqy76o43dccnsgfqkthvijoh4x3f3a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250310-mecx7a1yas/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Command and Scripting Interpreter: PowerShell
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/bd50bf20-4305-4742-84a4-e533494a1109
Unpacked files
SH256 hash:
cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976
MD5 hash:
9e8270179f04d867463a09af7ee36e32
SHA1 hash:
e32b5ff6d109b529112f35c8f639fbb1bb5f4986
Link:
https://www.unpac.me/results/31a9827a-6793-40d6-9a2b-bbd5732c53e6/
SH256 hash:
88c0cb3f0b0633bb21184e1b6a9c48ca45e544922de2f73e3089538ca1180b79
MD5 hash:
da9405294ee33017a48eb728347dd68d
SHA1 hash:
639a44069006281abe7a5c9ede2a96d9abc0b18b
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/31a9827a-6793-40d6-9a2b-bbd5732c53e6/
Parent samples :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 hash:
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9
MD5 hash:
b648c78981c02c434d6a04d4422a6198
SHA1 hash:
74d99eed1eae76c7f43454c01cdb7030e5772fc2
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/31a9827a-6793-40d6-9a2b-bbd5732c53e6/
Parent samples :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 family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc357e0c0d1b/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/cc357e0c0d1b4b0c9cdaaa2f7fd530c7fcee6c62136462c1533d50971f97d976

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:Detect_SliverFox_String
Create hunting rule
Author:huoji
Description:Detect files is `SliverFox` malware
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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_AUTHENTICODEMissing Authenticodehigh
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::ShellExecuteA
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

Comments