MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 861f5ebaad65712e0c699fe6fad2f63cca3f35759ed92f44db0d6d089889d209. 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 1

SHA256 hash: 861f5ebaad65712e0c699fe6fad2f63cca3f35759ed92f44db0d6d089889d209
SHA3-384 hash: a9fadad3e1ad884794ca979dc1db2ce64f717c8eb3de62dcfd14178998fb0975056baa3eef3e46c4c392e82d0e44da14
SHA1 hash: 437cfeb671c04f5393cf0732bf602d3fae226501
MD5 hash: 57ec8609c4c4bdc9c6249a30ba59b489
humanhash: vegan-zebra-network-lima
File name:57ec8609c4c4bdc9c6249a30ba59b489
Download: download sample
Signature Formbook
File size:588'800 bytes
First seen:2024-01-12 13:20:39 UTC
Last seen:2024-01-12 15:17:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:rt7mabxvMpkqMULiBlw6xIZJNSWer9HtiHusQpwc962vpX:R6KxvMKqMMip2J8jiHuso6
TLSH T1EDC4125573F88B31CA7E4FF9AA65904253797E716222CB5C8ED124EE0662B500F43F2B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
317
Origin country :
FR FR
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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: 1373752 Sample: Rjg6eI1JoY.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 34 www.wjr3x0d.shop 2->34 36 www.relaxify.cloud 2->36 38 9 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 8 other signatures 2->48 11 Rjg6eI1JoY.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 Rjg6eI1JoY.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 7 1 14->17 injected process8 dnsIp9 28 fino-shop.store 162.240.81.18, 49749, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 www.cwxg2.site 192.74.233.3, 49748, 80 PEGTECHINCUS United States 17->30 32 2 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.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:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2024-01-11 22:48:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:he09 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
750c014ef78f1b1cd5d4fa82c3aaf7a53a23bdfc783b21a74584b99e9de00b71
MD5 hash:
898f24fec796148382c02b46627be60d
SHA1 hash:
4c91dfa84b8b89e782e2bd10c30e296565f9553f
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
05c701e796567a98afd664481f2667abff69a58a6d8ad3af7616a27cc4f36ed4
MD5 hash:
4b462faff3377bfbfc79fa40c9e87b60
SHA1 hash:
f719f9c1dd83df22a212ac700cd56e20e7fd892c
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
6cf2954e809fa82c82f70444251f2d1c60a14f1927ae484065b1e779284fbe26
MD5 hash:
44f024ee654ed230a70abb92298fc369
SHA1 hash:
45bfe3cfd8e2964db17bf528aefb9d29afc32b0e
SH256 hash:
861f5ebaad65712e0c699fe6fad2f63cca3f35759ed92f44db0d6d089889d209
MD5 hash:
57ec8609c4c4bdc9c6249a30ba59b489
SHA1 hash:
437cfeb671c04f5393cf0732bf602d3fae226501
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

Web download

Formbook

Executable exe 861f5ebaad65712e0c699fe6fad2f63cca3f35759ed92f44db0d6d089889d209

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-12 13:20:40 UTC

url : hxxp://172.245.208.28/250/conhost.exe