MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7
SHA3-384 hash: 58e665bf5b0e70e3dc49f68c6ce28729d266ba770d8887bf93bedeedbd85f7589083622f2c44bada78f70d0bfe9d0b91
SHA1 hash: 0295388b73d03560f719cd9dc262f486689f3b8f
MD5 hash: 9bee062700845eca2425f6956eddecde
humanhash: nevada-five-fish-single
File name:Purchase order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'203'712 bytes
First seen:2024-09-12 10:59:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bbac62fd99326ea68ec5a33b36925dd1 (46 x AgentTesla, 38 x njrat, 27 x Formbook)
ssdeep 24576:b4lavt0LkLL9IMixoEgeaeOSIWDkTkqBOqvHbpENq9MmCS:ukwkn9IMHeaeOSDqbOqvH1kaPCS
Threatray 1'483 similar samples on MalwareBazaar
TLSH T13A45CF1373ED83A4C3B25133BA65BB01AEBF7C2506A1F49B2FD9097DE920161521E673
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 1090909010103230 (2 x Formbook)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase order.exe
Verdict:
No threats detected
Analysis date:
2024-09-12 10:59:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c901596a-6c47-4864-9e31-125f64e9fe9d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.7667.20464.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e2c97776bc4542b0498166
Tags:
Autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin masquerade microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66e2c97a9e62610887e8db3e/reports/bf40bedb-d8b0-45c3-9e13-6da608dd2964/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7
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/b70b4078-1a17-49ca-93b3-48974b61bdf5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1510015
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1510015 Sample: Purchase order.exe Startdate: 12/09/2024 Architecture: WINDOWS Score: 100 28 www.ldynew712c.xyz 2->28 30 www.070001350.xyz 2->30 32 23 other IPs or domains 2->32 42 Multi AV Scanner detection for domain / URL 2->42 44 Suricata IDS alerts for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 7 other signatures 2->50 10 Purchase order.exe 3 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 signatures5 62 Writes to foreign memory regions 10->62 64 Maps a DLL or memory area into another process 10->64 13 svchost.exe 10->13         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 16 NkzhczrPNXksq.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 setupugc.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 NkzhczrPNXksq.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 bellaflory.online 162.240.81.18, 49736, 62837, 80 UNIFIEDLAYER-AS-1US United States 22->34 36 kalomor.top 91.215.85.23, 62789, 62790, 62791 PINDC-ASRU Russian Federation 22->36 38 12 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-09-12 11:00:06 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpc4rftan22arpmx6jk3sfwnvdhyvjbjdq7wrriqrsp7b5nxyc3q._file
Verdict:
malicious
Similar samples:
157aaa2c069a7be7c83f88b97b9b47086cd5e99f5e6be6185f8ea1d06e6c4095
Formbook
72837dda6a46fef393a6420f045e6ae543908430d3a09fe8d4bfb6f6679c5b53
Formbook
b6719029029e5c7a96005dbb17e6eeea26a1af0d1b0e090a4041d24cba3923f7
Formbook
f3f0ac7ba7b93d8571adfa54987fb7374451f863b44946202bc623a528fc5b5f
Formbook
+ 1'473 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240912-m3fc8asfpm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0864227b-c9d1-4102-822c-949b13d6651e
Unpacked files
SH256 hash:
65ff9daaa822949b47a9a9582b568367f84061b35c9d0c3d79b737d8076dbdce
MD5 hash:
78b6fc3d6a498eb65e99342a52e8386b
SHA1 hash:
9ff0f89b853b26b14f955557921340851feb05de
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/0e135035-243e-4e66-8a8b-460f6a279310/
Parent samples :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 hash:
3ff85c7d19641b334803f9228a171d4a28b5ba9c81a7fcd979bcbeec4886be8a
MD5 hash:
b46e2bffd0945101989a826a738e8da1
SHA1 hash:
cf2bfc6dd1230b41845ff38f3f1fa5e21cb440a0
Link:
https://www.unpac.me/results/0e135035-243e-4e66-8a8b-460f6a279310/
SH256 hash:
b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7
MD5 hash:
9bee062700845eca2425f6956eddecde
SHA1 hash:
0295388b73d03560f719cd9dc262f486689f3b8f
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/0e135035-243e-4e66-8a8b-460f6a279310/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3c5c896606e/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/b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

File information

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

Malspam

Formbook

Executable exe b3c5c896606eb408bd97f255b916cda8cf8aa4291c3f68c5108c9ff0f5b7c0b7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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