MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d94c178a97e83869cb2f1c3e90b2102d16cb7a4527cb3e764c62255b9fc870ec. 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 8 File information Comments

SHA256 hash: d94c178a97e83869cb2f1c3e90b2102d16cb7a4527cb3e764c62255b9fc870ec
SHA3-384 hash: 032addcfbcbc23e9b4a9ddbde4c99227a837e72722bcaef112d9de8959534ef527057fb098e7f12faba4a7bbb641bf03
SHA1 hash: 81be54764fe66de2e96e3e5463ee4d38aa5ba6c9
MD5 hash: c6f05e43a198a82fdcd66e9f3b499a40
humanhash: chicken-tango-fish-nine
File name:RFQ_ Acousticgreen Pattern.exe
Download: download sample
Signature Formbook
File size:710'152 bytes
First seen:2024-05-28 06:09:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:DuxrYCFd6xIrDJzXBL5Arv+Tmbb6zySB2pHvoIIsdfVPk7gigkR:S81xIHFl5hmbbjRHvtVBVPUH
Threatray 76 similar samples on MalwareBazaar
TLSH T1B9E42240377CD3B2ED3A57F608D4AA9153F22F46BC26E5891CC2B0CE1671B509B25ACB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 205cb064d8d4d408 (10 x Formbook, 4 x AgentTesla, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
d94c178a97e83869cb2f1c3e90b2102d16cb7a4527cb3e764c62255b9fc870ec.exe
Verdict:
Malicious activity
Analysis date:
2024-05-28 06:16:08 UTC
Tags:
formbook xloader stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Network Static Nekark Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Process Parents
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448284 Sample: RFQ_ Acousticgreen Pattern.exe Startdate: 28/05/2024 Architecture: WINDOWS Score: 100 55 www.qonline-uk.co.uk 2->55 57 www.civileconomy.org 2->57 59 4 other IPs or domains 2->59 71 Snort IDS alert for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for URL or domain 2->75 77 13 other signatures 2->77 10 RFQ_ Acousticgreen Pattern.exe 7 2->10         started        14 KjGsxRIBAZBc.exe 5 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\KjGsxRIBAZBc.exe, PE32 10->51 dropped 53 C:\Users\user\AppData\Local\...\tmpDBF2.tmp, XML 10->53 dropped 87 Writes to foreign memory regions 10->87 89 Allocates memory in foreign processes 10->89 91 Adds a directory exclusion to Windows Defender 10->91 16 RegSvcs.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        27 2 other processes 10->27 93 Multi AV Scanner detection for dropped file 14->93 95 Machine Learning detection for dropped file 14->95 97 Injects a PE file into a foreign processes 14->97 23 schtasks.exe 1 14->23         started        25 RegSvcs.exe 14->25         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 16->67 29 EtNgJFSOgSxQy.exe 16->29 injected 69 Loading BitLocker PowerShell Module 19->69 32 conhost.exe 19->32         started        34 WmiPrvSE.exe 19->34         started        36 conhost.exe 21->36         started        38 conhost.exe 23->38         started        40 conhost.exe 27->40         started        process9 signatures10 99 Found direct / indirect Syscall (likely to bypass EDR) 29->99 42 bitsadmin.exe 13 29->42         started        process11 signatures12 79 Tries to steal Mail credentials (via file / registry access) 42->79 81 Tries to harvest and steal browser information (history, passwords, etc) 42->81 83 Modifies the context of a thread in another process (thread injection) 42->83 85 2 other signatures 42->85 45 EtNgJFSOgSxQy.exe 42->45 injected 49 firefox.exe 42->49         started        process13 dnsIp14 61 www.civileconomy.org 188.114.96.3, 49723, 49724, 49725 CLOUDFLARENETUS European Union 45->61 63 www.beautycoach.be 199.59.243.225, 49717, 80 BODIS-NJUS United States 45->63 65 circleofkings.org 3.33.130.190, 49719, 49720, 49721 AMAZONEXPANSIONGB United States 45->65 101 Found direct / indirect Syscall (likely to bypass EDR) 45->101 signatures15
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-05-27 03:12:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
40515deb40551f10db0c6dbaa7862bf1ac55af5044683f32e1f02b53d731a968
MD5 hash:
054c0260072d34235b23d950537b1a3d
SHA1 hash:
64ffba4eac88b529c2e01ee6cb86ab673656dc58
SH256 hash:
a14d5fcbfe69dd1cfa3ae6881ee0313238dbccab3248ee712ee6cecfd47153a6
MD5 hash:
6dd4a8c71793ed386abc8c965329d58b
SHA1 hash:
968ab7aaec8850ddcf89cdea935b02c774fd5eb7
SH256 hash:
da636bb2185ae0fc666612a743ad76a2d6def134c1d3aedf680518b126b052ba
MD5 hash:
9f7208dd45557f04d9b7ae90662490c9
SHA1 hash:
99eb5a9d58227091266cf036fc26c802c178c248
SH256 hash:
4241ff5d4c85c9ad503746df207c4ed87dec48f2f415c2df4b66ad37b0c3105d
MD5 hash:
2431089d19acbf2a1b937c63316e547a
SHA1 hash:
65cd589b528e911b46bf8e92daf77662ceeca40f
SH256 hash:
32c209f2a6369f5bd203a36263a9c243947f0e61da9ef0de068ad1117a9108f0
MD5 hash:
8d1fa59e56a1e6a12aa52f40c4890050
SHA1 hash:
2064eb9d04cb6ca22390df04ec7c214a5642b3ae
SH256 hash:
d94c178a97e83869cb2f1c3e90b2102d16cb7a4527cb3e764c62255b9fc870ec
MD5 hash:
c6f05e43a198a82fdcd66e9f3b499a40
SHA1 hash:
81be54764fe66de2e96e3e5463ee4d38aa5ba6c9
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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

Comments