MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca. 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: 646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca
SHA3-384 hash: 79f8102c39b5110bc82dcd84e80d03774d5f6d081e5112aad33473283fcae28f2d4bffad99d59d52f0fe3df8bf57f341
SHA1 hash: 92eed78caafb19dc9bf9c481ba529a8eda643bd3
MD5 hash: 44c14428bd2a5db806fee7d89512aa3d
humanhash: sweet-finch-kansas-ceiling
File name:20220120payment.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:377'344 bytes
First seen:2022-01-20 11:05:31 UTC
Last seen:2022-01-25 14:18:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:JskjLF3kM6RWdjG5j9OLjWqzzxNBacf/q+aCS7B:Ko6tshG5j90Xnb/qhCS7
Threatray 12'972 similar samples on MalwareBazaar
TLSH T1538401247BFE272DDAEA8BF5B472112013B679172622D35C0CC660DE1576B878392B37
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/221047/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1165.24319.29251.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed print.exe update.exe
Link:
https://www.filescan.io/uploads/61e9421fd32385db630e6498/reports/53ac6b40-90ad-42b4-8bfe-abbf29304727/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cce9b9e0-fa27-4089-8cfc-44a4b971af3d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924282
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 556764 Sample: 20220120payment.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 33 www.traderbrother.com 2->33 35 www.lifeguardingcoursenearme.com 2->35 37 3 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 11 20220120payment.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\20220120payment.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 20220120payment.exe 11->15         started        18 20220120payment.exe 11->18         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 20 explorer.exe 15->20 injected process9 dnsIp10 39 www.lovelycontentandmarketing.com 217.160.0.179, 49785, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->39 41 www.xrayanalizer.com 66.96.162.137, 49810, 80 BIZLAND-SDUS United States 20->41 43 7 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 24 cmd.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-01-20 11:06:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mrrjfmgfla6vh4ibdesaizvhjxw3bszdhwocwucsxegy3uzwmdfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07108380475747569f5e1eb477ab651bb2d1310368495f147a408b6bdc9a6fb3
Formbook
1aac9a73533b5745a863e565e556ecc624619b3cecb917c9e8aee7b141976bb2
Formbook
7bfabb3e53f70e2ad39155a8af8d7e27a07ec01b0ba8faed52cb569e4f78142f
Formbook
7dfac85dbd9ce80d656f5cd2b657705975023c370a3f9ddd4fd63cb244862c40
Formbook
8a0fb297baf6f3affb73e0c20116dec0bbbae0292fcbffc3948051555df5099d
Formbook
ad7117e7b38bd79d672590054fda19c333f8595c42f5b82ab237781b305fb2f8
Formbook
c1657f01ccef85f3f46740a96704bc5dccfb4cf8fc9ac09abcfd7aa6660448f7
Formbook
ebae4c196d8a58491f149c1f561b8dfcb7286b5b5e14ee85bd2393a968a498b9
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 12'962 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:geur loader rat
Link:
https://tria.ge/reports/220120-m7ebqahfe5/
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9a5de2c679591144b02305c23e6a6a978ce200a5a4899c728f5fd8189f5a2769
MD5 hash:
0893a7e7d2a714bb9fd51a94d563d103
SHA1 hash:
d1b3b2cbc7e2bd36eacea7922747b605127e89ec
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/82cf0c58-d43d-45d1-95fb-2906d4e5cdc3/
Parent samples :
646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca
2d9eaf3f28e001ea0dc52d3e01c415bde135493c0289437499b4e2669a1cb07c
60c6a4f46c95a47e3014a222cb92c5f85fd099d31da0b07910894cb2324d2d44
7c7116c6a0f1e06e4c252ea45668b85c1fdf3f35216097be1208e14be4066b36
640ac0fcf97c0474f805fdf150d7c539650a833e1cbb47393e188da5a1f5f5c3
SH256 hash:
8b25188a1581753b0faa89a7e371d2cc852fd95635b8503b6b20a4263af486e8
MD5 hash:
384cab014157440d3c462a97689e40ff
SHA1 hash:
4b91e7dfd574e04db14d2e3223df9327a5b95ba2
Link:
https://www.unpac.me/results/82cf0c58-d43d-45d1-95fb-2906d4e5cdc3/
SH256 hash:
db9b12341b94cf73479127a5a69f91bc407c852aee0f6562ac55ac43a5be9aa2
MD5 hash:
5989bcae6f74bca14ba84f8a6b3bcc13
SHA1 hash:
312d472d8fb03c4124968c242e299e58da9d4089
Link:
https://www.unpac.me/results/82cf0c58-d43d-45d1-95fb-2906d4e5cdc3/
SH256 hash:
646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca
MD5 hash:
44c14428bd2a5db806fee7d89512aa3d
SHA1 hash:
92eed78caafb19dc9bf9c481ba529a8eda643bd3
Link:
https://www.unpac.me/results/82cf0c58-d43d-45d1-95fb-2906d4e5cdc3/
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/646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca

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
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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

Executable exe 646292b0c5583d53f10119240466a74dedb0cb233d9c2b5052b90d8dd33660ca

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221047/

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