MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a4f2780675dba7b68a7a3b7e89ea12329f432652e8f7aec4df2fdb02861c971. 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: 0a4f2780675dba7b68a7a3b7e89ea12329f432652e8f7aec4df2fdb02861c971
SHA3-384 hash: b3e91a3d28b9380e0dd4f15e762a156e7dbe40db5b3f9720d95021c3b9edf3be9dc6a606f0a6028c7f085b4beb51c833
SHA1 hash: 113457c2e03ab9d5c0a18deb78ba89ebe4772177
MD5 hash: 1710e4a26f72778d75be49034ecd108b
humanhash: bluebird-dakota-rugby-alaska
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:1'050'112 bytes
First seen:2022-10-27 11:57:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Svs/pTH0AQdLvYa6nAtij7NLcKv/LdP126AraVtvZERAc/Ilq9v3lw5UnB9VzXCe:npTH0hz8vNdLdPsjwtvUAcQoNksrz
Threatray 16'372 similar samples on MalwareBazaar
TLSH T10425AD3132AF4F07C0DACEB4A4B2D2B427624C7AA96DDBC6CAC46DF774862E4595D043
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-10-27 12:00:00 UTC
Tags:
formbook trojan stealer

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
Enabling autorun by creating a file
Unauthorized injection to a system process
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
C2 URLs / IPs found in 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 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731957 Sample: Quotation.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 8 other signatures 2->63 9 Quotation.exe 7 2->9         started        13 HkwQiNdUvhbguT.exe 5 2->13         started        process3 file4 49 C:\Users\user\AppData\...\HkwQiNdUvhbguT.exe, PE32 9->49 dropped 51 C:\...\HkwQiNdUvhbguT.exe:Zone.Identifier, ASCII 9->51 dropped 53 C:\Users\user\AppData\Local\...\tmpD2AD.tmp, XML 9->53 dropped 55 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 9->55 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 9->65 67 Adds a directory exclusion to Windows Defender 9->67 69 Tries to detect virtualization through RDTSC time measurements 9->69 15 Quotation.exe 9->15         started        18 powershell.exe 19 9->18         started        20 schtasks.exe 1 9->20         started        71 Multi AV Scanner detection for dropped file 13->71 73 Machine Learning detection for dropped file 13->73 75 Injects a PE file into a foreign processes 13->75 22 HkwQiNdUvhbguT.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures5 process6 signatures7 83 Modifies the context of a thread in another process (thread injection) 15->83 85 Maps a DLL or memory area into another process 15->85 87 Sample uses process hollowing technique 15->87 89 Queues an APC in another process (thread injection) 15->89 26 msiexec.exe 15->26         started        29 explorer.exe 15->29 injected 31 conhost.exe 18->31         started        33 conhost.exe 20->33         started        35 cmstp.exe 22->35         started        37 conhost.exe 24->37         started        process8 signatures9 39 cmd.exe 1 26->39         started        41 autoconv.exe 29->41         started        77 Modifies the context of a thread in another process (thread injection) 35->77 79 Maps a DLL or memory area into another process 35->79 81 Tries to detect virtualization through RDTSC time measurements 35->81 43 cmd.exe 1 35->43         started        process10 process11 45 conhost.exe 39->45         started        47 conhost.exe 43->47         started       
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-27 02:49:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oi05 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
bcab6df7a788d3d4dee18e10cf824a31dbefcaeb82cafe3d580c1b4281f0cfec
MD5 hash:
17af17cc97d31d86e917cfac2e3f2bc7
SHA1 hash:
f74d3535e74d41c2e9060aefb51be67990ae6f09
SH256 hash:
7b3721f78f5344f1003ee98223878d2a9d2a93e958cf81d486554a5dbf4b66d8
MD5 hash:
fc4c099c7940082ae29de35de1b294f7
SHA1 hash:
b8dcf0ac314384f218b1a9961f98b0c5f75c8b67
SH256 hash:
64223168bb6483fa68acaae9648f43367741cf38427cf5d9ff15b5df153f30ef
MD5 hash:
1012dcbcd873a329550303baeff838e6
SHA1 hash:
87713a5681a6229356c8ad4e855dc88747edb0f7
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
0a4f2780675dba7b68a7a3b7e89ea12329f432652e8f7aec4df2fdb02861c971
MD5 hash:
1710e4a26f72778d75be49034ecd108b
SHA1 hash:
113457c2e03ab9d5c0a18deb78ba89ebe4772177
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 0a4f2780675dba7b68a7a3b7e89ea12329f432652e8f7aec4df2fdb02861c971

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments