MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
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SHA256 hash: 4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5
SHA3-384 hash: 2131b42d249d65ada4b7c1b419c95eeff55e450deaaaf8e7d693dcb86637e5cdce9ee6638256c3d409ae612ec04ec582
SHA1 hash: 00527d3606d57f6d7f8ac47f1d6c3129904a4994
MD5 hash: a0abf19695c2dd80827d0a46bb2a9e1b
humanhash: muppet-harry-aspen-nebraska
File name:Purchase Order-10,000MT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:628'736 bytes
First seen:2021-11-05 12:58:23 UTC
Last seen:2021-11-08 06:51:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Kltoobn5QRT+pVmypPzn46IVCvI18k1LLc9EbOyGr:+Xbn+8zXpbntECvI18k3L
TLSH T16BD45B496201C083E2553D70C4796FF00650AFACF507D76BAD493E2BFAB5F9C0952AEA
File icon (PE):PE icon
dhash icon ae92d2b2eacca49a (11 x AgentTesla, 9 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/202737/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61852a988eec3805367fd513/reports/be043ee9-0ec9-4685-a917-aeb7cd414762/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/cb698b75-b2cd-4b1f-b960-283bf22e3808
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/884050
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 516493 Sample: Purchase Order-10,000MT.exe Startdate: 05/11/2021 Architecture: WINDOWS Score: 100 31 www.waukazooweirdos.com 2->31 33 www.swagwatchco.com 2->33 35 waukazooweirdos.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 10 other signatures 2->49 11 Purchase Order-10,000MT.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Purchase Order-10,000MT.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 Purchase Order-10,000MT.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 generatrices.xyz 172.96.187.217, 49813, 80 SINGLEHOP-LLCUS Canada 18->37 39 www.set789.xyz 88.99.22.7, 49806, 80 HETZNER-ASDE Germany 18->39 41 9 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 svchost.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-05 03:01:07 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4azhn6w7aimc2ct2yqkm6dleicqnqhqczj4lp3pdocw4xyj7osq._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:z4m5 loader rat suricata
Link:
https://tria.ge/reports/211105-p73qeshabr/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.cr-genius-world.biz/z4m5/
Unpacked files
SH256 hash:
a72447a5a568f446d77039bec3c4245729fd5b5e31d29ae5336b37e3fb501059
MD5 hash:
cd39641c7f80fec32cdfcb31b3d85484
SHA1 hash:
70c84fdb505625cec9a41f6662b814f9d510eaf0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/25f6a78e-6001-4f79-a40e-e615b433f314/
Parent samples :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 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/25f6a78e-6001-4f79-a40e-e615b433f314/
SH256 hash:
0552de0de8b324e1f10dc25ff9c9840831599ddb49431b5f7ed5b32f6ccdc36e
MD5 hash:
981259c2211f3f5ee59a0f1c495c4dde
SHA1 hash:
583d84b2106590c8503c9a77fa6659713be5838e
Link:
https://www.unpac.me/results/25f6a78e-6001-4f79-a40e-e615b433f314/
SH256 hash:
4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5
MD5 hash:
a0abf19695c2dd80827d0a46bb2a9e1b
SHA1 hash:
00527d3606d57f6d7f8ac47f1d6c3129904a4994
Link:
https://www.unpac.me/results/25f6a78e-6001-4f79-a40e-e615b433f314/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4f0193b7d6f8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 4f0193b7d6f810c16853d620a6786b220506c0f01653c5bf6f1b856e5f09fba5

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/202737/

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