MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2
SHA3-384 hash: 690642c7a951b17ff8fc7829ced72e18cb52969dd5c6eb3fc25f3aba252cba48f449e2a826fa419af9b5223255480b72
SHA1 hash: 986b414a7ef2bdd00643c3a6e5790738d48b3f59
MD5 hash: 660c335fba05fcad93cc95786e25d75a
humanhash: glucose-yellow-salami-magnesium
File name:660c335fba05fcad93cc95786e25d75a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'123'840 bytes
First seen:2021-06-29 06:58:57 UTC
Last seen:2021-06-29 08:08:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:WJw8FJqqvWPWmjCcMRdQVxaaO8FY/KY/noQKb57oAO/v1RBkePcAJAKM:f8FweWPWmjdMHYxaJCY/VoQKbJOHXuo
Threatray 5'705 similar samples on MalwareBazaar
TLSH D635E212720ADE05D1BA17F7CDDB05004BF87643EA63DA29BD9832DD4D923A3A9171CE
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
660c335fba05fcad93cc95786e25d75a.exe
Verdict:
Malicious activity
Analysis date:
2021-06-29 07:05:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/04d125a0-aae6-440e-b340-b868b60fa0ee

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/168690/
Detection(s):
SecuriteInfo.com.Artemis660C335FBA05.14482.391.UNOFFICIAL
Create hunting rule

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/5588db89-6cb1-4355-83b9-32dae61e5ad7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809221
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441631 Sample: KrO6GIiNHJ.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 7 other signatures 2->49 8 KrO6GIiNHJ.exe 7 2->8         started        12 explorer.exe 2->12         started        process3 file4 37 C:\Users\user\AppData\...\XfhfUUlEybrFts.exe, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\tmp5BBE.tmp, XML 8->39 dropped 41 C:\Users\user\AppData\...\KrO6GIiNHJ.exe.log, ASCII 8->41 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 8->51 53 Adds a directory exclusion to Windows Defender 8->53 55 Tries to detect virtualization through RDTSC time measurements 8->55 14 KrO6GIiNHJ.exe 8->14         started        17 powershell.exe 26 8->17         started        19 powershell.exe 24 8->19         started        23 2 other processes 8->23 21 WWAHost.exe 12->21         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        65 Tries to detect virtualization through RDTSC time measurements 21->65 29 cmd.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 23->33         started        process8 process9 35 conhost.exe 29->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-06-29 06:59:12 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eimme6a3qtficrr52vgmqcoedlrlp7ebd2su2yijmi5xhmb43xza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4646b43980b60ce2dbacde9a5a850a36fd88fbfd2eefdcfc465f78cf6487e91e
Formbook
52ce64858a2207c3498e65cb329ee997c5fb8c43233bed0e475376c0ca4436f8
Formbook
5864ae2b93c0ee29d29323151d1000df53cd3edca13b653e3b560871539ab384
Formbook
6eaef969b84860514d4fe3fdc448e2bb3d8ec071b19ad3cb8fce053cf0925bc8
Formbook
78812e3b6f1cf3821adf60c1a545525b697defe099fbb39628895e58c0a89cd7
Formbook
9a76b6c55801024e2f1fe932ce960c974f7f51d4fe4838ef077b4cc6a1432a3b
Formbook
b35f087907f1ab9d20a5c66a8409e701768e59b3d988c9d88a7eb0138d9b6fe5
Formbook
babb13711f57e5b2379adadccf787f0e20255866f21605191e1f518eeb8fc8a9
Formbook
c84a8e841e3a6a8f1f7e9bcf0825d56861dfeafe89525998eac73d9a16b1673a
Formbook
e18f276c0f1140b5a2195becc43656be51ad84603ed1483b1527e1f86d43de5b
Formbook
+ 5'695 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210629-hh9yyjw2f6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.reelmusicsync.com/lmts/
Unpacked files
SH256 hash:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
Link:
https://www.unpac.me/results/c8828247-ff11-4e6e-aaab-0b5aec0b0404/
SH256 hash:
c873ac8a3bb0fad70c63916daec3d0b5d7d1080cb57b6e609d168bf2f57c9ce4
MD5 hash:
bcc842e27006885510b17a7d7f28d4ba
SHA1 hash:
4bb318b34f0a39df380755a9bb1443ac4efc925e
Link:
https://www.unpac.me/results/c8828247-ff11-4e6e-aaab-0b5aec0b0404/
SH256 hash:
502ba8c320511b0429973b0493b2b9632d5b1f68ea7723dd4555d448e02402a7
MD5 hash:
c7ee17c5e9568d7e64723fea6f30e7ff
SHA1 hash:
d15d222c50880d62e5e1f76869cc4b0e0da029fe
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c8828247-ff11-4e6e-aaab-0b5aec0b0404/
SH256 hash:
2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2
MD5 hash:
660c335fba05fcad93cc95786e25d75a
SHA1 hash:
986b414a7ef2bdd00643c3a6e5790738d48b3f59
Link:
https://www.unpac.me/results/c8828247-ff11-4e6e-aaab-0b5aec0b0404/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2

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.

Web download

Formbook

Executable exe 2218c2781b84ca81463dd54cc809c41ae2b7fc811ea54d6109623b73b03cddf2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1409423/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168690/

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