MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0838dcd24cf228707272c365f4a9552e4d3b69b43716cea36fd95f250f62a7ab. 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: 13


Intelligence 13 IOCs YARA 22 File information Comments

SHA256 hash: 0838dcd24cf228707272c365f4a9552e4d3b69b43716cea36fd95f250f62a7ab
SHA3-384 hash: 6fdbef35ce2486bd40e94ead0d8db78088ad6d160c35de4f41565b728f00714b7b39ff7761f8b7b0fb7867b2993f7ed7
SHA1 hash: a616fadb71174341edde0a37fc6ef4f5eaf5bfa1
MD5 hash: e6f57bd3f809eb318c69da95463fae6d
humanhash: table-magnesium-uniform-pasta
File name:Bank receipt.exe
Download: download sample
Signature Formbook
File size:778'752 bytes
First seen:2023-11-15 10:32:49 UTC
Last seen:2023-11-16 15:10:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'647 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:4SiLlfWqBVypg0Axp8BdNxqFHRPnVWfhDZJ4SWC1L/qEhAxH7wjx:EhO/pgnxuZExvYFZJRWC1WQ
Threatray 124 similar samples on MalwareBazaar
TLSH T1DCF402163368542AE17D06F8B4A261D157B1EE136462E39C1CD77B9E2FF3B8087027A3
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 8aa7839bae32328e (17 x AveMariaRAT, 6 x Formbook, 3 x RemcosRAT)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
286
# of downloads :
301
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Bank receipt.exe
Verdict:
Malicious activity
Analysis date:
2023-11-15 10:35:50 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin 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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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: Scheduled temp file as task from temp location
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: 1342931 Sample: Bank_receipt.exe Startdate: 15/11/2023 Architecture: WINDOWS Score: 100 54 www.sonpaapdi.com 2->54 56 www.psiedithaguiar.online 2->56 58 13 other IPs or domains 2->58 68 Multi AV Scanner detection for domain / URL 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 10 other signatures 2->74 10 Bank_receipt.exe 7 2->10         started        14 aZiEgffLse.exe 5 2->14         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\aZiEgffLse.exe, PE32 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmp1EDA.tmp, XML 10->52 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 10->86 88 Adds a directory exclusion to Windows Defender 10->88 16 Bank_receipt.exe 10->16         started        19 powershell.exe 23 10->19         started        21 schtasks.exe 1 10->21         started        90 Antivirus detection for dropped file 14->90 92 Multi AV Scanner detection for dropped file 14->92 94 Machine Learning detection for dropped file 14->94 23 aZiEgffLse.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 aZiEgffLse.exe 14->27         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 16->66 29 SaAKLLjAIoneSvKXzaUmwPHAXh.exe 16->29 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 SaAKLLjAIoneSvKXzaUmwPHAXh.exe 23->35 injected 38 conhost.exe 25->38         started        process9 signatures10 40 fltMC.exe 13 29->40         started        76 Maps a DLL or memory area into another process 35->76 43 fltMC.exe 35->43         started        process11 signatures12 78 Tries to steal Mail credentials (via file / registry access) 40->78 80 Tries to harvest and steal browser information (history, passwords, etc) 40->80 82 Writes to foreign memory regions 40->82 84 3 other signatures 40->84 45 SaAKLLjAIoneSvKXzaUmwPHAXh.exe 40->45 injected 48 firefox.exe 40->48         started        process13 dnsIp14 60 www.nkdgx.xyz 206.238.20.157, 80 COGENT-174US United States 45->60 62 www.glovc.xyz 162.0.214.89, 49732, 49733, 49734 ACPCA Canada 45->62 64 7 other IPs or domains 45->64
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-14 07:40:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Loads dropped DLL
Unpacked files
SH256 hash:
648b401d285b162bd349a92bc5264420855189058adb58e43aaabe512735e0d9
MD5 hash:
c2e8279e49c6eb1bf630a3ef56b8c9da
SHA1 hash:
814141e200ee02f6c722afe32f8996293225b07f
SH256 hash:
b3c906be6c97b744f7c705322511ad19f83cf73c18215375ba7266b416895c0c
MD5 hash:
8de104177bdbb41480d968fa8c6b52ba
SHA1 hash:
5f17e90160a90d51b4405e527489a2830ad5f11a
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
990fdef5c069fa7ec66f60fdd6a3f4511f39eb49be5a0db99d92b94fda99ba17
MD5 hash:
18670c00d9a4f91ed4f5978028ea9746
SHA1 hash:
2382213c7cf0ded955eb6973d738d76450a4e74a
SH256 hash:
0838dcd24cf228707272c365f4a9552e4d3b69b43716cea36fd95f250f62a7ab
MD5 hash:
e6f57bd3f809eb318c69da95463fae6d
SHA1 hash:
a616fadb71174341edde0a37fc6ef4f5eaf5bfa1
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 0838dcd24cf228707272c365f4a9552e4d3b69b43716cea36fd95f250f62a7ab

(this sample)

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