MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a869a01d536dd9c7874319cde9f8f1e1f1e2ba45d537e988d999e6adabe890a. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a869a01d536dd9c7874319cde9f8f1e1f1e2ba45d537e988d999e6adabe890a
SHA3-384 hash: 227289f19c7432b8f8557eaf729c8ed9c8b45426447b16c216ebba2e53de3e5c2bd01d41d115fd65b57640ffc5dc78a2
SHA1 hash: abe7490e04a7ee70b7eedc9b221987c17f2f80a5
MD5 hash: 9e35fad13e16bc1cbaaafee537a4fdf1
humanhash: william-kilo-iowa-april
File name:Scan-45679.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:940'032 bytes
First seen:2021-03-29 11:28:47 UTC
Last seen:2021-03-29 14:10:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:2rgMhltFA+J2iNGZUU/LbINNRcEtRshqiPF57N2:+gMhltFNJ1MZVLiRjglP7N2
Threatray 4'372 similar samples on MalwareBazaar
TLSH 1915A18C6E9AC0CAC5390B7846C9D4F646E95FF30F22887AB9C45FCBF431745E50A626
Reporter malwarelabnet
Tags:FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan-45679.exe
Verdict:
Malicious activity
Analysis date:
2021-03-29 11:35:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/456aa4fb-54fd-403a-bcee-cfd76ed13a6f

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/127567/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656827
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 (e.g. based on Emerging Threat rules)
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: 377345 Sample: Scan-45679.exe Startdate: 29/03/2021 Architecture: WINDOWS Score: 100 35 www.craftsman-parts.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 Scan-45679.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\Scan-45679.exe.log, ASCII 11->33 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 Scan-45679.exe 11->15         started        18 Scan-45679.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 37 licipo.com 43.241.61.180, 49758, 80 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 20->37 39 www.badu.info 64.190.62.111, 49756, 80 NBS11696US United States 20->39 41 21 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 colorcpl.exe 20->24         started        27 autoconv.exe 20->27         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a869a01d536dd9c7874319cde9f8f1e1f1e2ba45d537e988d999e6adabe890a/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 09:28:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkdjuaovg3ozy6duggon5h4pdypr4k5elvjx5gentgpgvwv6refa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
3d3095586bf72d6b631e44681654c68707a6f07987b02e367e7d88ac9ddab77c
Formbook
7e88f1c425154e6fff6d031aaaa4d8bb4c8ff131e429f44310fd936bfc08b357
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
Formbook
c8aaa220adc918c9972a9c588db765290bf51553bed7da48c604d188136d3073
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 4'362 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210329-7l64jgegxn/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.wwwrigalinks.com/gwam/
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/41735532-662a-4436-9cf1-3eab9baf9894/
SH256 hash:
4a869a01d536dd9c7874319cde9f8f1e1f1e2ba45d537e988d999e6adabe890a
MD5 hash:
9e35fad13e16bc1cbaaafee537a4fdf1
SHA1 hash:
abe7490e04a7ee70b7eedc9b221987c17f2f80a5
Link:
https://www.unpac.me/results/41735532-662a-4436-9cf1-3eab9baf9894/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/4a869a01d536dd9c7874319cde9f8f1e1f1e2ba45d537e988d999e6adabe890a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/127567/

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