MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f. 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: e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
SHA3-384 hash: ef96477b2524c36f75a18fa9bfeeef68f92f19455e9716037bb5167f249f1bf6fadce9bb20c767becf49fc9f27144ff6
SHA1 hash: d19efa9dd42040e08af64d50d835c3560fe7cf72
MD5 hash: 45c494943735657d245285bfeee8841b
humanhash: gee-cold-pizza-robert
File name:Quotation-Pdf-Scan-Copy.exe
Download: download sample
Signature Formbook
File size:1'085'440 bytes
First seen:2022-03-25 18:17:53 UTC
Last seen:2022-03-25 19:40:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:7y4UA3aS09JPvC139KTL1AhzUd7g0oii2OYV:7TjW91vCl9mI4d7g0oil9
Threatray 733 similar samples on MalwareBazaar
TLSH T1333512522DC1DE02C1B60F314C756888EB309262624DE664B8EC727B8F737E59BA77C5
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS 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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.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 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 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: Suspicious Add Scheduled 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: 597329 Sample: Quotation-Pdf-Scan-Copy.exe Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 12 other signatures 2->52 10 Quotation-Pdf-Scan-Copy.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\WunHbpGhV.exe, PE32 10->38 dropped 40 C:\Users\...\WunHbpGhV.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9FEF.tmp, XML 10->42 dropped 44 C:\Users\...\Quotation-Pdf-Scan-Copy.exe.log, ASCII 10->44 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 10->54 56 Adds a directory exclusion to Windows Defender 10->56 58 Tries to detect virtualization through RDTSC time measurements 10->58 60 Injects a PE file into a foreign processes 10->60 14 Quotation-Pdf-Scan-Copy.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 wlanext.exe 21->27         started        30 autoconv.exe 21->30         started        32 autochk.exe 21->32         started        signatures10 62 Self deletion via cmd delete 27->62 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 34 cmd.exe 1 27->34         started        process11 process12 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-25 17:08:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o0i7 rat spyware stealer suricata 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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6318cb6a93f8a30f1743bd02b2bcd9ad2b20e6dd62e9c53530acd2a82210a565
MD5 hash:
9a809348e3e2343e3f6eb27720f48874
SHA1 hash:
e102c017d6374760fa63583ff97c2cc2a377045f
SH256 hash:
7c6295045c502f25cacc23440feaab5e386d8402f50cc59fecf3f232040085c5
MD5 hash:
07946136afd00078041720f95abc4aaa
SHA1 hash:
d69cbbd99f8338337a52d21ab55dc3fe798cff18
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
SH256 hash:
e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f
MD5 hash:
45c494943735657d245285bfeee8841b
SHA1 hash:
d19efa9dd42040e08af64d50d835c3560fe7cf72
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 e92ff5ee8d681a705f2fe24cd61375479b2221cf29738439839ce8ee5f3f9c5f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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