MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27b119bcaa4cbf8aa1724911fcf3e21917f0a4db830075cea3e5072fc525db32. 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: 27b119bcaa4cbf8aa1724911fcf3e21917f0a4db830075cea3e5072fc525db32
SHA3-384 hash: 65c783fe6ce261f17ad0dcae8f64ef4c9e0ad49914f7b0b9a388b930eb861a1eb3a93715eae2b671c6d62b3716e284d8
SHA1 hash: 05cb9fcefddf18ce6f66cb6c7454ea64d98eff1c
MD5 hash: 4896d39c691c80da22e0820c28ce8afd
humanhash: timing-magazine-nuts-island
File name:Quotation.exe
Download: download sample
Signature Formbook
File size:811'520 bytes
First seen:2022-01-25 14:18:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Geuboes7tL2nQvqiQkx8Qmb67e9o0HG2pchFOuVQGYYbB+TpUSRbseNcBt3kRS1B:jg2SnQvqile9Z/pchF/VzLbB+TCSROX
Threatray 9'463 similar samples on MalwareBazaar
TLSH T13805F12B7A4DC931C22817B600DFC05843B87F96AA23D6467EC533EE0E25B975E8945F
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-01-26 00:51:46 UTC
Tags:
trojan formbook stealer

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
DNS request
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
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 method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
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)
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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: 559694 Sample: Quotation.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 11 other signatures 2->50 10 Quotation.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\zdynSzA.exe, PE32 10->36 dropped 38 C:\Users\user\...\zdynSzA.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmp4C6.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 10->42 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 10->52 54 Adds a directory exclusion to Windows Defender 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 Quotation.exe 10->14         started        17 powershell.exe 21 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 mstsc.exe 21->27         started        30 autochk.exe 21->30         started        signatures10 60 Self deletion via cmd delete 27->60 62 Tries to detect virtualization through RDTSC time measurements 27->62 32 cmd.exe 1 27->32         started        process11 process12 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-25 10:04:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m25m 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
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5ac4691da3cb39500f898abd6aeb4826642206cf733fb629749f48c444d05dd4
MD5 hash:
de151fcbbbf806b305240e54a1e48953
SHA1 hash:
5ea76aab757f049347531a7ce86ce75147cef8c3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
dafd6b91f6bc266ac7d7a12be4294e72abd7c18bd8b47c20dceeecb065ddbcc4
MD5 hash:
5c816eb679864d4a3857e0659905dae0
SHA1 hash:
9d10041f7baca26a75119956576de7a458ac068f
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
SH256 hash:
27b119bcaa4cbf8aa1724911fcf3e21917f0a4db830075cea3e5072fc525db32
MD5 hash:
4896d39c691c80da22e0820c28ce8afd
SHA1 hash:
05cb9fcefddf18ce6f66cb6c7454ea64d98eff1c
Malware family:
FormBook
Verdict:
Malicious
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 27b119bcaa4cbf8aa1724911fcf3e21917f0a4db830075cea3e5072fc525db32

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments