MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37012511b7fa7d4628f1de46e1bc40115450a8375014446f60c31c59c5e5da94. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 37012511b7fa7d4628f1de46e1bc40115450a8375014446f60c31c59c5e5da94
SHA3-384 hash: 8fe5bdd60b6fe7f2a6ee44470c381f13b6b4068724c1b3d923311656d524ffbd59cf93538737e2aba8427c77583091d3
SHA1 hash: fa021f73cd33ef36257851564093969b20544a6b
MD5 hash: f7874377ad02924a56d4e9d56c7c9fbf
humanhash: lactose-fourteen-white-mexico
File name:Scan_doc.exe
Download: download sample
Signature Formbook
File size:471'517 bytes
First seen:2021-12-17 19:52:07 UTC
Last seen:2021-12-19 16:08:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:hU+/oRxad0bqy/cO3kINNoJpSfepsXAe1DivCISkDLM:hx/3d0bV/KSoyGDe1GvOeLM
Threatray 12'559 similar samples on MalwareBazaar
TLSH T1D7A42384B9C28617C9B92EB509F79774D3F7C24063C51A571BF06FEAAF408E31A1B621
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay 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
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
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 541787 Sample: Scan_doc.exe Startdate: 17/12/2021 Architecture: WINDOWS Score: 100 31 www.ofertasdesuvsinfosmex.com 2->31 33 www.mood-room.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 3 other signatures 2->47 11 Scan_doc.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\...\eueu.dll, PE32 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 Scan_doc.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.mdcomfortukraine.store 185.215.4.105, 49820, 80 TVHORADADAES Denmark 18->35 37 www.picguru.pro 103.224.212.219, 49789, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 wscript.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.XLoader
Status:
Malicious
First seen:
2021-12-17 17:16:52 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:md4m loader persistence rat
Behaviour
Modifies Internet Explorer settings
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
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
cc6680b1864f779cccada4ddb858a5f85984134681856513823cf22a77573a83
MD5 hash:
cb4f51dca06fe2bcd7eab54ea5bf27de
SHA1 hash:
62544d8b2c44147f222fe603f4b3c0d7355faf58
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
26b9ff1125595f42ce962ab72f00c6f28989660920bb8b18de64aa1721f8baa0
MD5 hash:
e32b4adbfbdc99c46bfe5393f337d011
SHA1 hash:
a17c78733036c9f80b5a0465b556beae2244c341
SH256 hash:
37012511b7fa7d4628f1de46e1bc40115450a8375014446f60c31c59c5e5da94
MD5 hash:
f7874377ad02924a56d4e9d56c7c9fbf
SHA1 hash:
fa021f73cd33ef36257851564093969b20544a6b
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 37012511b7fa7d4628f1de46e1bc40115450a8375014446f60c31c59c5e5da94

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments