MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f. 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: 42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f
SHA3-384 hash: a605318d25d5abbd358a3d9af97d643217faf0a4f890a8d6ddfcdfe503a05fee0857c2e3a56041c97ac4151ec3195e44
SHA1 hash: 76510dc4950fad1b58d75fcc6c7654c96b0ead84
MD5 hash: 2ae8d79e433ede58b237bc34d1c83db4
humanhash: pasta-fix-sierra-kansas
File name:QUOTE REQUEST_pdf__________________________________..exe
Download: download sample
Signature Formbook
File size:523'736 bytes
First seen:2022-02-10 12:02:19 UTC
Last seen:2022-02-10 16:28:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 12288:pGqHbAZvEp+2zU+FSz4gPZPY4n+/SoBKip+s:pVHbKvEp7csgZPY4+aoks
Threatray 10'765 similar samples on MalwareBazaar
TLSH T160B4015961B0814ED6E2787C0FA7D27853B9DC6C184205272BE0BFEF38BD1537A611EA
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
4
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f.zip
Verdict:
Suspicious activity
Analysis date:
2022-02-10 20:00:16 UTC
Tags:
n/a

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
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
DNS request
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570085 Sample: QUOTE REQUEST_pdf__________... Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 8 QUOTE REQUEST_pdf__________________________________..exe 19 2->8         started        11 ralpbiobvpe.exe 2->11         started        14 ralpbiobvpe.exe 2->14         started        process3 file4 30 C:\Users\user\AppData\...\zyczvsvqia.exe, PE32 8->30 dropped 16 zyczvsvqia.exe 1 2 8->16         started        46 Multi AV Scanner detection for dropped file 11->46 20 WerFault.exe 19 9 11->20         started        22 WerFault.exe 9 14->22         started        signatures5 process6 file7 28 C:\Users\user\AppData\...\ralpbiobvpe.exe, PE32 16->28 dropped 32 Multi AV Scanner detection for dropped file 16->32 34 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->34 36 Injects a PE file into a foreign processes 16->36 24 zyczvsvqia.exe 16->24         started        signatures8 process9 process10 26 WerFault.exe 23 9 24->26         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-10 12:03:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ihg0 loader persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Suspicious use of NtCreateProcessExOtherParentProcess
Xloader
Unpacked files
SH256 hash:
bec74a4a9adc0d9754433e629ac49079291a1d422d1351f93603bc48639d7da2
MD5 hash:
1d9d3b8a73a70812c8ae17320a3deee5
SHA1 hash:
c70f0e4cc7366bee2b12c547a9b5d16f36e4247f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
4c4280823fc9c44916d2fcf6b035423600007729ccae3439194e38cefa1238cb
MD5 hash:
5b09731e3b39847cef96e15eedf8f739
SHA1 hash:
af15b74a4bfacfed576723f36b14d2b5255b4498
SH256 hash:
42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f
MD5 hash:
2ae8d79e433ede58b237bc34d1c83db4
SHA1 hash:
76510dc4950fad1b58d75fcc6c7654c96b0ead84
Malware family:
XLoader
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 42cce80e3e20528953d3472513918fa7e3061f68ba6153dfbe7db82cce6df46f

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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