MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63d97a07b814832809f44e01e95a91317034c1dde105df82a2639eb439404f5d. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 63d97a07b814832809f44e01e95a91317034c1dde105df82a2639eb439404f5d
SHA3-384 hash: 2e04ed8f1d0ec3e8a6fb76777c28ac806d703e4b93f8aa16aebaf0a63b55e71233d4bfac9f54998e1d9f2d0b4a95edf8
SHA1 hash: 9acc1f1cb1a000fe70549703bbb6af3cedfa9a9b
MD5 hash: 3105477516df9d06ebd3a13c341ac4f3
humanhash: saturn-october-triple-magnesium
File name:a6DOnS9GZfxsl4S.exe
Download: download sample
Signature Formbook
File size:1'098'752 bytes
First seen:2022-11-04 02:12:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:g+fpB76dxk0uJms7g+kKLF8DJy6aAXYsvt20LEUTnwMX:Ri+0u4ss+3F81E+l20LEUTn
TLSH T13B35E1E6F663C411E5D53732C1A6B73427756FF195A6C60EB0C02B96380336BAD063AB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4ce8a6766981cccc (11 x Formbook, 5 x SnakeKeylogger, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
a6DOnS9GZfxsl4S.exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 02:12:21 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
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
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 737699 Sample: a6DOnS9GZfxsl4S.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 8 other signatures 2->42 10 a6DOnS9GZfxsl4S.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\a6DOnS9GZfxsl4S.exe.log, CSV 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 a6DOnS9GZfxsl4S.exe 10->14         started        signatures5 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 14->17 injected process8 dnsIp9 30 feewiki.com 23.21.157.88, 49697, 80 AMAZON-AESUS United States 17->30 32 www.ratuxo.xyz 66.29.135.200, 49696, 80 ADVANTAGECOMUS United States 17->32 34 www.feewiki.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 systray.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-10-31 12:05:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
8 of 42 (19.05%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:mi13 rat spyware stealer trojan
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e9d5c260781315c71ef4d32293627d433a67dee209c435d5822f6b3d1d312749
MD5 hash:
d7f7b53d91da2def175a98232ca943e9
SHA1 hash:
32be5a1dd77152c8861b37fd7ee571da7dde830d
Detections:
FormBook win_formbook_auto win_formbook_g0
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
SH256 hash:
150738298e50a9bd2ee9e23c4937316b5b8c8b10dcc1e0779610ceb7373f5a77
MD5 hash:
d1b9f5a0e6fb379b0263b2dd1525edca
SHA1 hash:
e3c6b71e2801916d79f03e9aa891fd2e24957ac9
SH256 hash:
433bafe52426bc8e2e0db5e1cbb63d08f19f76b5c96452c199c1626da7b88ba1
MD5 hash:
3979af54f75aa35954a7b52dbe9a7a06
SHA1 hash:
9b142c0f74a0267879f8940a3b7e4c84397524e1
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
63d97a07b814832809f44e01e95a91317034c1dde105df82a2639eb439404f5d
MD5 hash:
3105477516df9d06ebd3a13c341ac4f3
SHA1 hash:
9acc1f1cb1a000fe70549703bbb6af3cedfa9a9b
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: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.

Malspam

Formbook

Executable exe 63d97a07b814832809f44e01e95a91317034c1dde105df82a2639eb439404f5d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments