MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 584d6d4f82f64c03af6ee20622268cff5230cf414178cfd3a2aebdfacf868bbb. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 584d6d4f82f64c03af6ee20622268cff5230cf414178cfd3a2aebdfacf868bbb
SHA3-384 hash: e4365b25e438fffdc5fc454d98f60d0a5825f020329743a42efd3734b2485c513d860cb965feb36eba38f5c859f669e9
SHA1 hash: 97d5033b5c6b909fcee0e33e43b0e98095ff0ef9
MD5 hash: 87efeb1ea4b816f36e799e3fd979a2e1
humanhash: aspen-gee-sixteen-delta
File name:Quotation-pdf-.exe
Download: download sample
Signature Formbook
File size:939'520 bytes
First seen:2023-05-20 11:20:42 UTC
Last seen:2023-05-20 11:40:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:FV8P0o35UsibQyNo5xMKVUAXtXDbWF4b:UP0o3KsibB+UY9PW
Threatray 2'953 similar samples on MalwareBazaar
TLSH T1AB15E05126A88F15F2BA6BF95272E13443B42C21FA27D21D5DE02CDB3DBAF812711B53
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
293
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-05-20 11:22:43 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
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.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
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
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 domain / URL
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 870944 Sample: Quotation-pdf-.exe Startdate: 20/05/2023 Architecture: WINDOWS Score: 100 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 9 other signatures 2->80 10 Quotation-pdf-.exe 7 2->10         started        14 bUdmgQutGevDd.exe 5 2->14         started        process3 file4 50 C:\Users\user\AppData\...\bUdmgQutGevDd.exe, PE32 10->50 dropped 52 C:\...\bUdmgQutGevDd.exe:Zone.Identifier, ASCII 10->52 dropped 54 C:\Users\user\AppData\Local\...\tmp2766.tmp, XML 10->54 dropped 56 C:\Users\user\...\Quotation-pdf-.exe.log, ASCII 10->56 dropped 88 Uses schtasks.exe or at.exe to add and modify task schedules 10->88 90 Adds a directory exclusion to Windows Defender 10->90 92 Tries to detect virtualization through RDTSC time measurements 10->92 16 Quotation-pdf-.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        29 2 other processes 10->29 94 Multi AV Scanner detection for dropped file 14->94 96 Machine Learning detection for dropped file 14->96 98 Injects a PE file into a foreign processes 14->98 23 bUdmgQutGevDd.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 bUdmgQutGevDd.exe 14->27         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 16->64 66 Maps a DLL or memory area into another process 16->66 68 Sample uses process hollowing technique 16->68 70 Queues an APC in another process (thread injection) 16->70 31 explorer.exe 4 1 16->31 injected 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        process8 dnsIp9 58 www.diamondshouse-hannover.online 89.31.143.1, 49714, 80 QSC-AG-IPXDE Germany 31->58 60 kinder-vaccine.com 137.184.219.55, 49712, 80 PANDGUS United States 31->60 62 9 other IPs or domains 31->62 72 System process connects to network (likely due to code injection or exploit) 31->72 41 rundll32.exe 31->41         started        44 mstsc.exe 31->44         started        signatures10 process11 signatures12 82 Modifies the context of a thread in another process (thread injection) 41->82 84 Maps a DLL or memory area into another process 41->84 86 Tries to detect virtualization through RDTSC time measurements 41->86 46 cmd.exe 41->46         started        process13 process14 48 conhost.exe 46->48         started       
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2023-05-19 13:45:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
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)
Enumerates system info in registry
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:
f8a589639756b3235c9d1e102b42f4fa4b486c218d3ad079fe27a4eaf7434fcf
MD5 hash:
d5a7eb06f92be8abb6b1806aa9ecc6f1
SHA1 hash:
a3d72f0a77ef1789eebaeb48410dc8250de41094
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
fc4d42a387ba2810b5d05ee3494292138fc83580740e8f360ba4335a6646e370
MD5 hash:
53d57c7a3a3623065204b3c99f6e5381
SHA1 hash:
2cb9a467cad68e04bbb3cdd6e179dc0c6d1481fb
SH256 hash:
b178430918654661133e3cc86f68618dac7c1a56092e89c8d474cf3f05390a23
MD5 hash:
a74d4ff639d43c44d7dcf925dfc3b2d1
SHA1 hash:
1db08e8f485ac81d554e836a784589ab4cee8486
SH256 hash:
584d6d4f82f64c03af6ee20622268cff5230cf414178cfd3a2aebdfacf868bbb
MD5 hash:
87efeb1ea4b816f36e799e3fd979a2e1
SHA1 hash:
97d5033b5c6b909fcee0e33e43b0e98095ff0ef9
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 584d6d4f82f64c03af6ee20622268cff5230cf414178cfd3a2aebdfacf868bbb

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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