MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
SHA3-384 hash: 95553d8ed88c927ed69459a938f52f106400722e6ffa506bbc0e1b5b5f44664759cdc97766d6f8ccc35e99f6b0786186
SHA1 hash: b1bd05b1f1757687105aa64333a9736c54330cce
MD5 hash: b6c19717dffa8009958c3501ce886c05
humanhash: quebec-september-nine-tennis
File name:a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
Download: download sample
Signature Formbook
Create hunting rule
File size:1'230'336 bytes
First seen:2024-09-05 11:52:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:lqDEvCTbMWu7rQYlBQcBiT6rprG8arFFuiqZlNv6llZu2:lTvC/MTQYxsWR7ar+Zzv6llZ
TLSH T12445CF0273C1D062FF9B91334F5AF6515ABC7A260123A61F13A81D7ABE701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
393
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
Verdict:
No threats detected
Analysis date:
2024-09-05 11:43:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/54053096-4035-41ca-87ad-19a8a35d3f78

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d99ba38e12b8124ac94f18
Tags:
Network Stealth Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66d99ba188ccac59907c82fe/reports/57575a7a-2dae-4e63-8b64-05abd656f25f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
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/4efbdf53-7c9a-4426-928b-4c5025201033
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1504830
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
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: 1504830 Sample: 4qV0xW2NSj.exe Startdate: 05/09/2024 Architecture: WINDOWS Score: 100 28 www.heolty.xyz 2->28 30 www.wearelemonpepper.com 2->30 32 19 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 6 other signatures 2->50 10 4qV0xW2NSj.exe 4 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 28->48 process4 signatures5 62 Binary is likely a compiled AutoIt script file 10->62 64 Found API chain indicative of sandbox detection 10->64 66 Writes to foreign memory regions 10->66 68 2 other signatures 10->68 13 svchost.exe 10->13         started        process6 signatures7 70 Maps a DLL or memory area into another process 13->70 16 gTpFJQoQPV.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 credwiz.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 gTpFJQoQPV.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.quickstart.design 46.28.106.211, 49721, 49722, 49723 WEDOSCZ Czech Republic 22->34 36 agoraeubebo.com 162.240.81.18, 49749, 49750, 49751 UNIFIEDLAYER-AS-1US United States 22->36 38 10 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/a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-08-16 02:51:22 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uofpq2mr7thk4pkievgxvq7jrrjphomsvftikwzxtohbwrb5dgcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery stealer
Link:
https://tria.ge/reports/240905-n2axsa1bng/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e6b953b6-8292-4e01-b75f-24ac5a5dfece
Unpacked files
SH256 hash:
7c0650ed3243e74683580d04094be53ab745491ebf8e346e954264c98851be03
MD5 hash:
b9a2e3cbd23f922b5620ca3476f85eaa
SHA1 hash:
86dcdc578fda56a00753476ebe8e9286e8fa22d6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
Parent samples :
3f3052e88b171781ce50abc7cb82a70bc880735f7f3a39e9c75ed93aa4dac24b
2198db5427b201f1579dff76d5bdd7d64f844a9d4dc3850738d6b4b1ba63caf2
a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
d780eab8b7e55c651f5e5ec5a0bc1fc70184b2958a23bf6501c81e0a82e52841
SH256 hash:
636380fa5fceef572805f47a966280b893aedb61a89eea3112b1fc19a903b5f9
MD5 hash:
2a2dc8451fd3983264c0f9816bd7abba
SHA1 hash:
3b1d4a8658429b967180845cc0e88d55084c8f7e
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
a53dfb92a1c231a6543af7da026a8eea75804329bb5c81032f7a55504606849e
MD5 hash:
3154d10e172378595f6d13796dd2f4e4
SHA1 hash:
d09894bd79db626de09ad1194c83aaa0d8e708dd
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
7734e08ac7d53b0eca07458bf42b9251810cdfcbaf23b513546cf7c2e0e186ca
MD5 hash:
dcfd767e39507ba6bda09473c9189b0c
SHA1 hash:
84d49f50cd8aca8b57cab4060f99df6b985fe6fd
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
d1e38427c1346dfafd13a475289e1316469b5757c62e8f5afe00667c5044e311
MD5 hash:
45a5a83a9d377f8149706acbdfd83cf4
SHA1 hash:
6a2f913c630ba96bcbe627b9dcd6d02b29fa28f5
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
37520667b54a69ceccb80bfebf11469bb8874e11e35b6399b8bcaa812b72575c
MD5 hash:
b062a65568c89e620a9bbbbb1861d03e
SHA1 hash:
37ae9b5c9650d948fbd8a561af2d0a79dfbd5804
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
32855a77805d9fbc9e76adf5d5ff576146dff9c95e1b25e7f76ad93ea6b43675
MD5 hash:
08563ee393e9a1668e06f0842f388793
SHA1 hash:
211086977a659e4f7ee42b2e0afd139c6e0b4970
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
6d3893a1850e098a6566309be0a5ef7d3044149be7e0847c763957e15b6cfcaa
MD5 hash:
d58f464660a2d8cae450a60bb2f8bd41
SHA1 hash:
0352e6c60d6af74c261b49909495ce2ba25bb269
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
SH256 hash:
a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985
MD5 hash:
b6c19717dffa8009958c3501ce886c05
SHA1 hash:
b1bd05b1f1757687105aa64333a9736c54330cce
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/185ba258-35f2-4a35-98f4-76b53c5dde8f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a38af86991fc/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/a38af86991fcceae3d48254d7ac3e98c52f3b992a966855b379b8e1b443d1985

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_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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_detect_tls_callbacks
Create hunting rule

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
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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