MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1c2c1a14eb49276fd7f01440c401eb4aa04d156722a8deb1a98a4f397b64c3b. 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 2 File information Comments

SHA256 hash: a1c2c1a14eb49276fd7f01440c401eb4aa04d156722a8deb1a98a4f397b64c3b
SHA3-384 hash: bc0d9349b0c9ba66d26a7c930dcf36f5845e8e8c4c53454b7fc70143f75f5efcc3aef526323c70402762590e6023a058
SHA1 hash: 58f4e9828ae39e44a5bfd4490cc49bd0342a057b
MD5 hash: ec726ce2db801b9a08f15c322acc5e10
humanhash: butter-carolina-blossom-march
File name:EKTEDIR.exe
Download: download sample
Signature Formbook
File size:3'634'712 bytes
First seen:2024-10-11 08:12:47 UTC
Last seen:2024-10-11 09:47:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:xXCXpbrg3DLUS1TfgOYFDef8hgIdcnKS2ShECgZXCihLnpjaY:xXCXpbM3pTfgOV2NG72SyFZycnpjF
TLSH T1ACF51206BBA70D47FCA10674E8D07EF41AFD8D9B78F1941FDF894C219252ABC0260A75
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
368
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EKTEDIR.exe
Verdict:
Suspicious activity
Analysis date:
2024-10-11 09:56:08 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Powershell Shellcode Exploit Sage
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay vbnet
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
expl.evad.troj.spyw
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1531537 Sample: EKTEDIR.exe Startdate: 11/10/2024 Architecture: WINDOWS Score: 100 43 www.guldeu.xyz 2->43 45 www.wdgb23.top 2->45 47 18 other IPs or domains 2->47 63 Suricata IDS alerts for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 71 7 other signatures 2->71 10 EKTEDIR.exe 3 2->10         started        13 wab.exe 3 1 2->13         started        15 wab.exe 1 2->15         started        17 rundll32.exe 2->17         started        signatures3 69 Performs DNS queries to domains with low reputation 43->69 process4 signatures5 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->77 79 Writes to foreign memory regions 10->79 81 Allocates memory in foreign processes 10->81 83 Injects a PE file into a foreign processes 10->83 19 wab.exe 10->19         started        22 WerFault.exe 19 16 10->22         started        25 conhost.exe 10->25         started        27 2 other processes 10->27 process6 file7 73 Maps a DLL or memory area into another process 19->73 29 FChJsADUhVHj.exe 19->29 injected 41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 22->41 dropped signatures8 process9 signatures10 85 Found direct / indirect Syscall (likely to bypass EDR) 29->85 32 findstr.exe 1 13 29->32         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 32->55 57 Tries to harvest and steal browser information (history, passwords, etc) 32->57 59 Modifies the context of a thread in another process (thread injection) 32->59 61 3 other signatures 32->61 35 FChJsADUhVHj.exe 32->35 injected 39 firefox.exe 32->39         started        process13 dnsIp14 49 www.guldeu.xyz 162.0.238.246, 49873, 49891, 49907 NAMECHEAP-NETUS Canada 35->49 51 www.nmh6.site 43.154.104.247, 50045, 50046, 50047 LILLY-ASUS Japan 35->51 53 6 other IPs or domains 35->53 75 Found direct / indirect Syscall (likely to bypass EDR) 35->75 signatures15
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2024-10-11 08:13:07 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a1c2c1a14eb49276fd7f01440c401eb4aa04d156722a8deb1a98a4f397b64c3b
MD5 hash:
ec726ce2db801b9a08f15c322acc5e10
SHA1 hash:
58f4e9828ae39e44a5bfd4490cc49bd0342a057b
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Malspam

Formbook

Executable exe a1c2c1a14eb49276fd7f01440c401eb4aa04d156722a8deb1a98a4f397b64c3b

(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 (GUARD_CF)high

Comments