MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e. 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 2 File information Comments
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SHA256 hash: c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e
SHA3-384 hash: 185752ae8c3e2b5116164be34108f309c15250a7f4f3fc52025c7d2e6fbdca97d94bcfd24f33918667646650286dc4fd
SHA1 hash: f72afed49cb74640936ec79108c6dd4781b42119
MD5 hash: bb118d0e36716daa4affb6527f0beb74
humanhash: magazine-lion-video-wolfram
File name:y4Epq6NkCIcSYYf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:827'904 bytes
First seen:2022-11-21 15:39:27 UTC
Last seen:2022-11-24 13:17:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:yr18+L74mBfNUstzoh3r8JNHokIWBi2fupyexteVBe:yreIH1j8229xte
TLSH T1BC052A4F2A7FDDE0EB246CFB21545703AE315DE9AA8BCA6C43987BC610F261C5B74424
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)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
y4Epq6NkCIcSYYf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 15:41:04 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/dbaff99e-4489-4c3e-8a6c-e0395b9fd244

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/336857/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b9bd5903ba0eaf36cdcea/reports/10405834-e5a8-4863-aa3d-481cfd67c4a8/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2b30d7a-4b11-4202-ae73-b064575d5511
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118238
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750949 Sample: y4Epq6NkCIcSYYf.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 7 other signatures 2->35 8 y4Epq6NkCIcSYYf.exe 3 2->8         started        process3 file4 21 C:\Users\user\...\y4Epq6NkCIcSYYf.exe.log, ASCII 8->21 dropped 11 y4Epq6NkCIcSYYf.exe 8->11         started        process5 signatures6 45 Modifies the context of a thread in another process (thread injection) 11->45 47 Maps a DLL or memory area into another process 11->47 49 Sample uses process hollowing technique 11->49 51 Queues an APC in another process (thread injection) 11->51 14 explorer.exe 11->14 injected process7 dnsIp8 23 www.guardify.ru 141.144.231.226, 49699, 49700, 80 ORCL-LON-OPC1GB Sweden 14->23 25 www.dkc010.com 141.193.156.186, 49696, 80 NETSEC-HKNETSECHK Hong Kong 14->25 27 2 other IPs or domains 14->27 53 System process connects to network (likely due to code injection or exploit) 14->53 55 Uses netsh to modify the Windows network and firewall settings 14->55 18 netsh.exe 13 14->18         started        signatures9 process10 signatures11 37 Tries to steal Mail credentials (via file / registry access) 18->37 39 Tries to harvest and steal browser information (history, passwords, etc) 18->39 41 Deletes itself after installation 18->41 43 2 other signatures 18->43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 13:36:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yr7ryeplq5goskx35dvt4jhuiye7pv54cvhxauiws5ov6422dvha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bmr1 rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-s37qcsfh58/
Behaviour
Enumerates system info in registry
Gathers network information
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7bcf4eed-32af-4d62-88c3-b17921975d79
Unpacked files
SH256 hash:
ef16217780a46e8897e25a9c6118c3dd7d1b02cd14854bd34813f6fc6bcd51f3
MD5 hash:
87b6eff2a6e458d5286ffd81224c908b
SHA1 hash:
3ad8fbfab912ebc43a68fb776d3ddd247bd78a71
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
Parent samples :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 hash:
8192266c229eac4675ff1fb94a0311d69f49a30ea8581fdf3066761c579fbc26
MD5 hash:
4e8cb27da9e9cd3c2600117a53055218
SHA1 hash:
b245bd33081e0605be93290302a6e4f3433d1e7d
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
SH256 hash:
9b5ffb8bf4fceb3e6ad12f1e782e37c81d9b657aa9e6e5a9055d3495747321af
MD5 hash:
dca4ce5a99726dbb1cab4678e10d1ff2
SHA1 hash:
e40fcbfa243f1261e7fe2ce4d6194449659c1800
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
SH256 hash:
4fe12f8629943948c9f757ba867b5479a26d59b67cedea525f54c7efa89205aa
MD5 hash:
dd2526737bc655eb655d1fa74de16c5d
SHA1 hash:
05a30cba9d3cae426389f5a20d3fcf04ec38ec60
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
SH256 hash:
c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e
MD5 hash:
bb118d0e36716daa4affb6527f0beb74
SHA1 hash:
f72afed49cb74640936ec79108c6dd4781b42119
Link:
https://www.unpac.me/results/110ab444-7dc4-4f39-9227-5109695bb74b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c47f1c11eb87/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

rar 6371a3a397e83a83964da83f98def4b1df62ff5c21f2451cc0c9354dd0d0e87f

Formbook

Executable exe c47f1c11eb874ce92afbe8eb3e24f44609f7d7bc154f705116975d5f735a1d4e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6371a3a397e83a83964da83f98def4b1df62ff5c21f2451cc0c9354dd0d0e87f
Cape
Cape
https://www.capesandbox.com/analysis/336857/
  
Dropped by
MD5 90fa2bb51072e463d9549d29c47671a6

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