MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f6930b2c1bbac4643000843ecb0b885ef0f5ee3e5c11bb538366232d013b8e8. 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 3 File information Comments 1

SHA256 hash: 3f6930b2c1bbac4643000843ecb0b885ef0f5ee3e5c11bb538366232d013b8e8
SHA3-384 hash: f30998d9fe9a438f251f6328888ff7315ff0e4dec8ae59dd4f6238dc8f9df4ef2cfe4c08e7345b61654ec44af2cf2f48
SHA1 hash: 76262d049e70736a2bd59798cd2fb0d60b4ad247
MD5 hash: 0d76bcff068b4f645ea3cedbf2454745
humanhash: fillet-jersey-sweet-sodium
File name:0d76bcff068b4f645ea3cedbf2454745
Download: download sample
Signature Formbook
File size:196'791 bytes
First seen:2022-04-26 04:53:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunbJJVz39OJX9qH97RWkQQNxDJDYTTE3xJ55ygTvQporku52Hr:HNeZmZ3QJtqKkQuDqsX55ygiomr
Threatray 15'334 similar samples on MalwareBazaar
TLSH T1CD1402152B90D0A7D9B31631153B9FE3DFBA652224ED830B13608F8D7A617A2861FF52
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed python 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 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
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 615416 Sample: p31FWTXZxT Startdate: 26/04/2022 Architecture: WINDOWS Score: 100 34 www.qualinorm.com 2->34 36 www.alquilerfurgon.com 2->36 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 5 other signatures 2->58 12 p31FWTXZxT.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\tlbzhcqur.exe, PE32 12->32 dropped 15 tlbzhcqur.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Injects a PE file into a foreign processes 15->74 18 tlbzhcqur.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.mothergadgets.com 141.125.109.198, 49832, 80 SOFTLAYERUS United States 21->38 40 www.2382108759.com 216.118.230.170, 49831, 80 NETSEC-HKNETSECHK Hong Kong 21->40 42 12 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 cmmon32.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-26 04:17:23 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bs8f loader rat
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
624d33a6f31726e4bea411592138017d7a3cf0ff000ed0ad4793d935ab9204f7
MD5 hash:
4ad50834b32bfe21be7d00e49e916b43
SHA1 hash:
d808362a3f891dd36a945e0f8938b6676226298b
SH256 hash:
9bdcc2f7935a8dca2b67c50fefe5994283a366d2a7bc5da2097e5923537120f0
MD5 hash:
09cb53ca1d8465a7b4bfe5d32522c65d
SHA1 hash:
855ea70a874bf31adb4dfd763108c862a926a074
SH256 hash:
3f6930b2c1bbac4643000843ecb0b885ef0f5ee3e5c11bb538366232d013b8e8
MD5 hash:
0d76bcff068b4f645ea3cedbf2454745
SHA1 hash:
76262d049e70736a2bd59798cd2fb0d60b4ad247
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:pdb2
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.

Web download

Formbook

Executable exe 3f6930b2c1bbac4643000843ecb0b885ef0f5ee3e5c11bb538366232d013b8e8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-26 04:53:45 UTC

url : hxxp://192.3.152.135/prisca/Application%20Form.exe