MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51986665322a79945ae565a363862e8007b3be459855f27c11c062da0eb59db8. 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 7 File information Comments

SHA256 hash: 51986665322a79945ae565a363862e8007b3be459855f27c11c062da0eb59db8
SHA3-384 hash: 780a1129ebc83646e1803d918a0c6e192eb72d92be71af37ee867f7d5724a5e813d8fefcb5c1c6693fee8c36489d812b
SHA1 hash: 4a529517826527076af2e7049dbb3b8cb89dcc4c
MD5 hash: c785cff5261dc195e6acaff0f814e57b
humanhash: enemy-delta-aspen-winter
File name:51986665322a79945ae565a363862e8007b3be459855f27c11c062da0eb59db8
Download: download sample
Signature Formbook
File size:491'030 bytes
First seen:2022-10-10 12:52:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 6144:lTouKrWBEu3/Z2lpGDHU3ykJ1tC/IH0woLZHLjh4rEEPHDUrllFS+yd:lToPWBv/cpGrU3y8tGE0lLx2rEMjOF+
TLSH T1F3A4E102BEC198B2D4B319725A397721A93CBA201F65CEDF63D00A6DDE315C1DB317A6
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Launching a process
Launching cmd.exe command interpreter
DNS request
Connecting to a non-recommended domain
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware lokibot overlay packed setupapi.dll shdocvw.dll 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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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 domain / URL
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
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: 719895 Sample: kqfUnYC566.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 47 www.qgqfsfaml.online 2->47 49 www.wellnessjourney1.net 2->49 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 6 other signatures 2->71 12 kqfUnYC566.exe 10 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\rbmfvturtqrygp.exe, PE32 12->39 dropped 41 C:\Users\user\AppData\Local\...\kaqfjxguz.fox, DOS 12->41 dropped 15 rbmfvturtqrygp.exe 2 12->15         started        process6 file7 43 C:\Users\user\AppData\Local\Temp\23A8.tmp, PE32 15->43 dropped 45 C:\Users\user\AppData\Local\Temp\17C0.tmp, PE32 15->45 dropped 57 Multi AV Scanner detection for dropped file 15->57 59 Machine Learning detection for dropped file 15->59 61 Found hidden mapped module (file has been removed from disk) 15->61 63 Tries to detect virtualization through RDTSC time measurements 15->63 19 rbmfvturtqrygp.exe 15->19         started        22 rbmfvturtqrygp.exe 15->22         started        24 WerFault.exe 23 9 15->24         started        signatures8 process9 signatures10 73 Modifies the context of a thread in another process (thread injection) 19->73 75 Maps a DLL or memory area into another process 19->75 77 Sample uses process hollowing technique 19->77 79 Queues an APC in another process (thread injection) 19->79 26 explorer.exe 19->26 injected process11 dnsIp12 51 www.harborretired.com 103.224.212.220, 49715, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 26->51 53 www.cc445588.com 156.235.210.188, 49714, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 26->53 55 5 other IPs or domains 26->55 81 System process connects to network (likely due to code injection or exploit) 26->81 30 cmmon32.exe 26->30         started        33 cmmon32.exe 26->33         started        signatures13 process14 signatures15 83 Modifies the context of a thread in another process (thread injection) 30->83 85 Maps a DLL or memory area into another process 30->85 35 cmd.exe 1 30->35         started        87 Tries to detect virtualization through RDTSC time measurements 33->87 process16 process17 37 conhost.exe 35->37         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2022-09-28 05:23:53 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:u8ow loader persistence rat spyware stealer trojan
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Xloader payload
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
af461d5ea809e7811e88559557a5124e64c98adff56de6c8f733c6cf8a3ece86
MD5 hash:
5d0d98e4913e30988436287a711bf31b
SHA1 hash:
1c2c0961fe94d50f629bbc3f031e5abea55ad14c
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
c44f928cdff6e2657a01bbc4c266c1924b251f115c759ddb0ee354141c4dc104
MD5 hash:
4e18b1e99725ea9ed99c491909950ada
SHA1 hash:
020f8ff3d340f38870a8ffa070505b04c6ee03e0
SH256 hash:
51986665322a79945ae565a363862e8007b3be459855f27c11c062da0eb59db8
MD5 hash:
c785cff5261dc195e6acaff0f814e57b
SHA1 hash:
4a529517826527076af2e7049dbb3b8cb89dcc4c
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
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.

Comments