MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c29ade6ea5d05011a90fdfe39a3eb0a48738ffbec0ceb7a1bf2e4f321dfa557. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c29ade6ea5d05011a90fdfe39a3eb0a48738ffbec0ceb7a1bf2e4f321dfa557
SHA3-384 hash: 40866f24b8c855870f5523b99626cdf9ba89c5887deb90f016283d140911aca1ab09f8840a11c3d45160cbe36091cd19
SHA1 hash: 607e3f230bd558a8c47d0b2fe7486fe74c7dc55f
MD5 hash: f42926acf64d6cd4875319cd1dfe6d18
humanhash: victor-west-emma-west
File name:samizx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:650'752 bytes
First seen:2022-06-09 13:49:13 UTC
Last seen:2022-06-09 14:47:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:BI9qptd+tBlnr8cVQrScpkE3eICGDMo53U3r4vdR:BIjxBdx2eBOk01R
TLSH T1A0D4F0F1EBF5B861D1442537B494612C37D3AE0EDC26D53AE24BF40A35A27C261EAE07
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
samizx.exe
Verdict:
Malicious activity
Analysis date:
2022-06-09 20:04:28 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ce5762ef-fa46-470f-9719-ca0a929f80a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/278388/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33630.32518.15148.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a1fa6ca2b1fc9744d9a584/reports/43eb4380-1a50-4958-8676-fbfb8d8d7e32/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d9cf88e-8d49-4429-958a-2295b0dbf4e4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1010046
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 642555 Sample: samizx.exe Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 31 www.od7.info 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 11 samizx.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\samizx.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 samizx.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.takebackarkansas.com 18->33 35 takebackarkansas.com 34.102.136.180, 49858, 80 GOOGLEUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 systray.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd or bat file 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c29ade6ea5d05011a90fdfe39a3eb0a48738ffbec0ceb7a1bf2e4f321dfa557/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-09 08:03:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqu23zxklucqcguq7x7dti7lbjehhd735qgow6q36lspgio7uvlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g2y4 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220609-q49j8sgfgj/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a43e8194eaae86e70b2e57b2a137585053edf7c96f83a10cf6d3c14e1cdd6efd
MD5 hash:
ed59c13362287ce1aab46b2ef5154e2f
SHA1 hash:
cc9cc4982248a260fb6c064972bd4e29743e1e40
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/42a2dbdf-c789-40a4-91e9-0a47d3bc4e7a/
Parent samples :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 hash:
3bb1bbbabe812476ae5cfd324fad544eed738fb1aba31d98d60c3485c1c7689d
MD5 hash:
ae3c97219369c0d1e6e0c872d754a06e
SHA1 hash:
a54d1311e54196ec2a873964b0e9f11f7940a2ae
Link:
https://www.unpac.me/results/42a2dbdf-c789-40a4-91e9-0a47d3bc4e7a/
SH256 hash:
431642f020474950c2a351ea442302aa0692e5d180b8cdee0b4d8bd21eef6c31
MD5 hash:
cb7c659966b92f3aa345060523788883
SHA1 hash:
1927a454b8d9f9f169b48c5500ae005e6a0030ae
Link:
https://www.unpac.me/results/42a2dbdf-c789-40a4-91e9-0a47d3bc4e7a/
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
Link:
https://www.unpac.me/results/42a2dbdf-c789-40a4-91e9-0a47d3bc4e7a/
SH256 hash:
3c29ade6ea5d05011a90fdfe39a3eb0a48738ffbec0ceb7a1bf2e4f321dfa557
MD5 hash:
f42926acf64d6cd4875319cd1dfe6d18
SHA1 hash:
607e3f230bd558a8c47d0b2fe7486fe74c7dc55f
Link:
https://www.unpac.me/results/42a2dbdf-c789-40a4-91e9-0a47d3bc4e7a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c29ade6ea5d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3c29ade6ea5d05011a90fdfe39a3eb0a48738ffbec0ceb7a1bf2e4f321dfa557

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/278388/
  
URLhaus
https://urlhaus.abuse.ch/url/2229884/

Comments