MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3
SHA3-384 hash: 94d67d866d31e438f5cf3c1f4685f4d852990a594b0b0dae756383f8984f1fcf9d31e9dceed7bd4135dfc6bbf6ffa31f
SHA1 hash: 1da9db209c723c15e687712ac20d5f334f74dcd8
MD5 hash: 27a6e3019a7a5a253389de68dd9afda9
humanhash: comet-december-eleven-green
File name:Export Shipment Documents 72335.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'092'621 bytes
First seen:2024-10-28 13:10:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLNSmkVXjTv5dzDkKpES4bOqXk8YCVBD:ffmMv6Ckr7Mny5QL4XV3BdJpH4lYCDD
Threatray 2'528 similar samples on MalwareBazaar
TLSH T1C235E112F7D680B6D9A33971293BE32BEB3575194323C48BA7E02F769E111409B3B761
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
397
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Export Shipment Documents 72335.exe
Verdict:
No threats detected
Analysis date:
2024-10-28 13:14:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0812eb84-1455-4e59-8457-bee624599e12

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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671f8d6a5928ee28d55e87c9
Tags:
Autoit Emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint keylogger lolbin masquerade microsoft_visual_cc overlay packed packed packer_detected shell32
Link:
https://www.filescan.io/uploads/671f8d7273a3c7da80f386f5/reports/52905527-f677-477a-92af-4afbed7718a5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9aa577ae-7376-4a28-8303-3ac2e363c6ad
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1543817
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1543817 Sample: Export Shipment Documents 7... Startdate: 28/10/2024 Architecture: WINDOWS Score: 100 32 www.oco188rtp.xyz 2->32 34 www.764.xyz 2->34 36 3 other IPs or domains 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 48 8 other signatures 2->48 11 Export Shipment Documents 72335.exe 1 2->11         started        signatures3 46 Performs DNS queries to domains with low reputation 34->46 process4 signatures5 62 Writes to foreign memory regions 11->62 64 Maps a DLL or memory area into another process 11->64 14 svchost.exe 11->14         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 3 other signatures 14->72 17 explorer.exe 26 1 14->17 injected process8 process9 19 help.exe 17->19         started        22 WerFault.exe 21 17->22         started        signatures10 50 Modifies the context of a thread in another process (thread injection) 19->50 52 Maps a DLL or memory area into another process 19->52 54 Tries to detect virtualization through RDTSC time measurements 19->54 56 Switches to a custom stack to bypass stack traces 19->56 24 explorer.exe 31 127 19->24         started        28 cmd.exe 1 19->28         started        process11 dnsIp12 38 www.764.xyz 13.248.252.114, 49737, 80 AMAZON-02US United States 24->38 58 System process connects to network (likely due to code injection or exploit) 24->58 60 Query firmware table information (likely to detect VMs) 24->60 30 conhost.exe 28->30         started        signatures13 process14
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2024-10-28 05:27:30 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sejd636bvqkybypdla3f5onrbjitptew5jydtiue2ojgsi5o2srq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
formbook
Create hunting rule
admintool_powerrun
Create hunting rule
Similar samples:
06043959e79bbeccaa6370466d3b9745b684ddaede9d2b4e6b652c926fbebe74
Formbook
1c8de42bff76a20cdaee2bed7629f8f0dfcf4ab5c7b5ee637d147f6f45311015
Formbook
4184b14006520ea167252e0264bcd92873ea365635baaed4d366a4aaf9e32e8b
Formbook
d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2
Formbook
+ 2'518 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ms84 discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/241028-qext5sxpar/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/35296e15-317d-412b-9f6b-5a175544fc89
Unpacked files
SH256 hash:
44a1121a385ae740012ab1f3fd51821d31bc7e3034b1473815251ce4c0c663ec
MD5 hash:
438213a0f075353135baee575ae54465
SHA1 hash:
ef4f267af7dd9023192fe90b17ffb30586b51f58
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Link:
https://www.unpac.me/results/248f9e4f-89bd-42f8-87ba-5cccbd94b242/
Parent samples :
fc117f10fec938fc5983ad960142b3dafdc946dee592d13a37c6f21aee2618fc
91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3
c2c0190f73bcfc18eb96ef14d1f9deb9ed267342fa8af0f44b4c79e7b04d1ccb
f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90
89f618ae5abb8b3dfd00db8271c120503dff7ae17af576f4169ba4036f4562d7
SH256 hash:
91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3
MD5 hash:
27a6e3019a7a5a253389de68dd9afda9
SHA1 hash:
1da9db209c723c15e687712ac20d5f334f74dcd8
Link:
https://www.unpac.me/results/248f9e4f-89bd-42f8-87ba-5cccbd94b242/
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/91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

Malspam

Formbook

Executable exe 91123f6fc1ac1580e1e358365eb9b10a5137cc96ea7039a284d3926923aed4a3

(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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
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_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
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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