MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d. 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: 11


Intelligence 11 IOCs YARA 16 File information Comments
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SHA256 hash: f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d
SHA3-384 hash: f1e06bde0cfbcb474dba5eacaa0ebb8250636d814b7de5f9a48e23cf6e39b10d88c5597589c69ba90ffaa8dfb271dfca
SHA1 hash: d6da2491d84288fe91bf077e061991689bc03624
MD5 hash: 7bc30f47e6f45d28f64875785aeb26e5
humanhash: shade-bluebird-mike-magazine
File name:scan19062024.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:738'304 bytes
First seen:2024-07-01 06:12:48 UTC
Last seen:2024-07-01 07:19:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:8YV6MorX7qzuC3QHO9FQVHPF51jgcQGHorBwUOYFaGRlzm5pe7jqrNN6Og1sPAj:bBXu9HGaVH5eJNFDie74NNdg9j
TLSH T19EF423C18F93957BC1BA53B5C53BACA4042078B1DBE1377D938AF11EB8317439817A6A
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10523/12/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
374
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1410.5351.23446.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6682494bbba6ccecd93a0bfawin10vpnfull_triage
Tags:
Network Stealth Malware
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 lolbin microsoft_visual_cc packed packed shell32 upx
Link:
https://www.filescan.io/uploads/668248ee6b8dba248b47c23e/reports/ed2603ef-e37c-436e-aaeb-b32ac585f941/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d
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:
Unknown
Link:
https://analyze.intezer.com/analyses/ac7a49eb-ebe7-4c70-865f-ce83a45f1919
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1465046
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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)
Snort IDS alert 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: 1465046 Sample: scan19062024.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 28 www.autonomyai.xyz 2->28 30 www.vourechuri.es 2->30 32 21 other IPs or domains 2->32 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 6 other signatures 2->50 10 scan19062024.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 Writes to foreign memory regions 10->64 66 Maps a DLL or memory area into another process 10->66 68 Switches to a custom stack to bypass stack traces 10->68 13 svchost.exe 10->13         started        process6 signatures7 70 Maps a DLL or memory area into another process 13->70 16 YJnywliujPZvqmHNQtA.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 YJnywliujPZvqmHNQtA.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.infinixx.info 203.161.43.227, 49763, 49764, 49765 VNPT-AS-VNVNPTCorpVN Malaysia 22->34 36 autonomyai.xyz 15.197.142.173, 49751, 49752, 49753 TANDEMUS 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/f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d/
Threat name:
Win32.Trojan.Strab
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Status:
Malicious
First seen:
2024-06-19 11:18:32 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6min3aotyitu3ra3g6m26skx3heezvquucix3ahrs7ueuk6you6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Link:
https://tria.ge/reports/240701-gyq19s1epq/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
AutoIT Executable
Suspicious use of SetThreadContext
Loads dropped DLL
UPX packed file
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/770187da-55be-4e09-ba48-b3c33e2cfb97
Unpacked files
SH256 hash:
7485704c203a331eb422fe95197c8113ac150b62ab38d37ae4586db45410637d
MD5 hash:
20d55167b69e430d978179ff4b6de403
SHA1 hash:
126873feb6c8147cfbbe6f38c496e3f741547aa6
Link:
https://www.unpac.me/results/5dfddfc5-4cf2-45f9-9eb4-e67dd44d0b9f/
SH256 hash:
2d50f0c59f7dc2fc5c3591b51e1c53f48ff549d770fb64cff433fe80bafc38cb
MD5 hash:
d120edc03d77ece5b524935ebf7f1cc6
SHA1 hash:
4ca4f445f4a5d184d6a7088579af2bc5e57e2a85
Link:
https://www.unpac.me/results/5dfddfc5-4cf2-45f9-9eb4-e67dd44d0b9f/
SH256 hash:
a0696896c6b3f84b2d710b79ead538740b4ff55169a18699e96713418d8e3625
MD5 hash:
9555aa1cba77c0332e4bcf39ea18a930
SHA1 hash:
0679fa343ecb23b46d69f5f4f61002889e7ca0c4
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/5dfddfc5-4cf2-45f9-9eb4-e67dd44d0b9f/
SH256 hash:
f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d
MD5 hash:
7bc30f47e6f45d28f64875785aeb26e5
SHA1 hash:
d6da2491d84288fe91bf077e061991689bc03624
Detections:
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/5dfddfc5-4cf2-45f9-9eb4-e67dd44d0b9f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f310dd81d3c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
Link:
https://yomi.yoroi.company/submissions/f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

Executable exe f310dd81d3c2274dc41b3799af4957d9c84cd614a0917d80f197e84a2bd8753d

(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::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments