MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
SHA3-384 hash: 189460268fb26696550e5c915f511300a74319e99f8569ff51fb6fbf27428817bb086c4ad2138fae7f4a51db4029c1ce
SHA1 hash: 43048d434139797f52cc6e4fca4440bbb6fecb36
MD5 hash: 0ab4c296f439ebdf2251d9a19600c12a
humanhash: ten-cup-video-orange
File name:yW1AHcqLFW0IwQI.exe
Download: download sample
Signature Formbook
File size:705'024 bytes
First seen:2023-11-13 16:37:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:LWOTNXc3zSunBAFnSX38EBCqroh/ymOddzWCw0jXncuJrM7urtO7P:S32uBqSHVwOTr7wKXnHrM7urtO
Threatray 326 similar samples on MalwareBazaar
TLSH T1BDE4012817E45A06FABB4BFDB071504083F8F112656BF35D1AE460FD1EB77908926BA3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 54b2f0d4ccccf010 (6 x Formbook, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed remote
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
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341813 Sample: yW1AHcqLFW0IwQI.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 34 www.zg9tywlubmftzw5ldziwmzc.com 2->34 36 www.universalgoldship.com 2->36 38 10 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 10 other signatures 2->48 11 yW1AHcqLFW0IwQI.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 14 yW1AHcqLFW0IwQI.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 19 7 14->17 injected process8 dnsIp9 28 eloverde.site 216.172.172.92, 49713, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 www.tjornevent.info 46.30.213.152, 49712, 80 ONECOMDK Denmark 17->30 32 universalgoldship.com 198.54.114.166, 49709, 80 NAMECHEAP-NETUS United States 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2023-11-13 12:12:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sy11 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
affa4657cbbc8c278fcf5285a6bf4f53f5369538211b0d3b899fc8531ab1f16a
MD5 hash:
eb5acb973b4be56c8b73c125c585c45d
SHA1 hash:
c7ddd0ea321a07d596a64d92d6b0e7a986e8f9f9
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
MD5 hash:
0ab4c296f439ebdf2251d9a19600c12a
SHA1 hash:
43048d434139797f52cc6e4fca4440bbb6fecb36
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

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