MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04a56a61c1ee4f2b5710672cc9d7564086746e99d1e1ea32baf845c5be3758ce. 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: 04a56a61c1ee4f2b5710672cc9d7564086746e99d1e1ea32baf845c5be3758ce
SHA3-384 hash: 3c8ec37a8dc4914c2981e9ca7ff4b1360c55316a6fed3f73e9566557b10038950425a413fb982fd23d45484fc1c2fa3f
SHA1 hash: d2380976badb2ad8cdd0b0b38aaa22d989a95bc0
MD5 hash: 784b7d12402a2b9900c3b0228312b5ac
humanhash: triple-alpha-victor-texas
File name:Quotaion-pdf-.exe
Download: download sample
Signature Formbook
File size:929'792 bytes
First seen:2023-05-19 11:36:54 UTC
Last seen:2023-05-20 15:20:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DrLpNaPn0YPX/N94+OCreCEl1aa8UJlUTcRssz573VP+cZegdgmCn7ravxhXaFXE:CP0tZCEln/JNlZdgN7rE0X
Threatray 2'884 similar samples on MalwareBazaar
TLSH T18B15F1D119A44810E2ABAFB50AB2F23893B56D91EB63D30924F02C977D37D877A057D3
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon e869f1f070f03054 (8 x Formbook, 7 x AgentTesla, 4 x Loki)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
245
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotaion-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 11:37:52 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
Searching for the window
Creating a window
Sending a custom TCP request
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
60%
Tags:
packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 870126 Sample: Quotaion-pdf-.exe Startdate: 19/05/2023 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 7 other signatures 2->72 10 Quotaion-pdf-.exe 7 2->10         started        14 qQjtcTvQ.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\Roaming\qQjtcTvQ.exe, PE32 10->48 dropped 50 C:\Users\...\qQjtcTvQ.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmp4539.tmp, XML 10->52 dropped 54 C:\Users\user\...\Quotaion-pdf-.exe.log, ASCII 10->54 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 10->80 82 Adds a directory exclusion to Windows Defender 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 16 Quotaion-pdf-.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        27 2 other processes 10->27 86 Multi AV Scanner detection for dropped file 14->86 88 Machine Learning detection for dropped file 14->88 90 Injects a PE file into a foreign processes 14->90 23 qQjtcTvQ.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 29 explorer.exe 1 1 16->29 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        process8 dnsIp9 56 www.efefplantation.buzz 29->56 92 System process connects to network (likely due to code injection or exploit) 29->92 94 Uses netstat to query active network connections and open ports 29->94 39 NETSTAT.EXE 29->39         started        42 NETSTAT.EXE 29->42         started        signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 39->74 76 Maps a DLL or memory area into another process 39->76 78 Tries to detect virtualization through RDTSC time measurements 39->78 44 cmd.exe 1 39->44         started        process13 process14 46 conhost.exe 44->46         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-05-19 03:38:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae30 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b56fd59488310faed9f321af83f087656ac3c3c7d0e38f2d21a4283ed8b077a3
MD5 hash:
282ebb9b52249c2d2d05c07a3f73bb5a
SHA1 hash:
987b1df03d441c27d03b18b0ae9c3cc16570231b
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
b7314c162eb3ceb40929a1eb4915fdceedd7216bed122a33b9bbc3043deeda21
MD5 hash:
a8a2e5239cef5ff166b31fa636c0795e
SHA1 hash:
85e39aefd1dcaa2f7732069a64e87de492e7d8f0
SH256 hash:
b178430918654661133e3cc86f68618dac7c1a56092e89c8d474cf3f05390a23
MD5 hash:
a74d4ff639d43c44d7dcf925dfc3b2d1
SHA1 hash:
1db08e8f485ac81d554e836a784589ab4cee8486
SH256 hash:
008d0570729bb3c3658ce7d0f93f25b117f5ecc41957f7a5d30ab74041bafc9c
MD5 hash:
eb42a5ef5e1c8c7ad34dbc0dc5bcaa79
SHA1 hash:
0bb82045b47658d97f61be767cd763ebd1922297
SH256 hash:
04a56a61c1ee4f2b5710672cc9d7564086746e99d1e1ea32baf845c5be3758ce
MD5 hash:
784b7d12402a2b9900c3b0228312b5ac
SHA1 hash:
d2380976badb2ad8cdd0b0b38aaa22d989a95bc0
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_imphash
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.

Malspam

Formbook

Executable exe 04a56a61c1ee4f2b5710672cc9d7564086746e99d1e1ea32baf845c5be3758ce

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments