MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188
SHA3-384 hash: ea38911c62c25e0efb2a7d8422fa94a35edc97fab48a5acea03c7197650f16495115e3f85dec1deba369ee4da080afc0
SHA1 hash: 9a48bf41e92b3be68b48f748f92bb1c199b1fe61
MD5 hash: a47aee6269d1031c7b17ca62f76d5685
humanhash: utah-steak-twenty-ohio
File name:a47aee6269d1031c7b17ca62f76d5685
Download: download sample
Signature Formbook
Create hunting rule
File size:227'469 bytes
First seen:2022-04-25 17:07:50 UTC
Last seen:2022-04-25 18:53:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZm6GRH+70aRWr1Kk+lWqTdHL+i0UVymV1kf:HNlPHhiWrGkqFLV0UPV1kf
Threatray 15'354 similar samples on MalwareBazaar
TLSH T19924127023B8C067D5320A730ABEE7966BA9651173391B0F27152F5EB9239936E1F313
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/266510/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6266d584de94014db6262439/reports/e36e26f8-58ad-476e-8d73-6ebc50a4816e/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/920f1a95-03cf-427f-9802-94544333a93d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/982630
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 615116 Sample: c2xU45ISlw Startdate: 25/04/2022 Architecture: WINDOWS Score: 100 34 abedbashir.tech 2->34 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 3 other signatures 2->54 12 c2xU45ISlw.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\ictao.exe, PE32 12->32 dropped 15 ictao.exe 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 ictao.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 36 daimaoart.com 185.230.63.171, 49787, 80 WIX_COMIL Israel 21->36 38 abedbashir.tech 74.119.239.234, 80 PUBLIC-DOMAIN-REGISTRYUS United States 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 chkdsk.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-04-25 17:08:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
21791c7eba15ff44e84b44080fa6c85cf824afafd5d987ce18d445dc942c34a2
Formbook
292873ea2c0ffc631756b284a6967acb95ade373f1f4e2411640befa952474b4
Formbook
42c22b1ceff07541d20717e8b9fea63a1418dc92917303cdcf48cce246a7d29f
Formbook
a8d57222d66a26a6ef7fe2d8eeb11a8af7ea9693afcbb31eece3519379c07784
Formbook
b85b6101f5f24710f8c9d5a32a4fa4194c55d1088c8722b08653aac9e6a3007a
Formbook
db08b46bd14292939578b689a36e94813eb9e0d25b980bc5c05a804882c5221a
Formbook
f4fe32bba1b311259ec25cc0bb98c46f741ff0ad2592f6a05fe8d7096dbcd630
Formbook
+ 15'344 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:arh2 loader rat
Link:
https://tria.ge/reports/220425-vnjfbscgc4/
Behaviour
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
2c2bf733fffd636c54c63c0d0aca5670b9c2745ea33e2045150b321b219d86e0
MD5 hash:
29b5df13e650e3665f0bd2baa04f5c31
SHA1 hash:
bcce876b8f94c7f8ac4ceb9f8479f2c2c566486b
Link:
https://www.unpac.me/results/a5dba53b-7220-4c74-b6ab-6720d5607fd9/
SH256 hash:
6d4eb7318d6e904c14f398f062e234b23a2d183c34a16fd90b068f1ef40fa40d
MD5 hash:
aea8136599550d8ad07036b2b2a935bd
SHA1 hash:
d363dd8ea2dcd2b97f8f4b099933ba3c45ae0ccc
Link:
https://www.unpac.me/results/a5dba53b-7220-4c74-b6ab-6720d5607fd9/
SH256 hash:
51c658711a5762d1c1469dabfa65dbdc94a1736187d031cc5f5cd59055206efc
MD5 hash:
a79a6a81d00adc751951988e06405278
SHA1 hash:
e370384ecd6e1ea552482b05002f2d719594dc82
Link:
https://www.unpac.me/results/a5dba53b-7220-4c74-b6ab-6720d5607fd9/
SH256 hash:
8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188
MD5 hash:
a47aee6269d1031c7b17ca62f76d5685
SHA1 hash:
9a48bf41e92b3be68b48f748f92bb1c199b1fe61
Link:
https://www.unpac.me/results/a5dba53b-7220-4c74-b6ab-6720d5607fd9/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e50b1dcbaf8/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/8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pdb2
Create hunting rule
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.

Web download

Formbook

Executable exe 8e50b1dcbaf8524aeb9c18eb365692a2913fcc269f257f6272e511c682d93188

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2163857/
Cape
Cape
https://www.capesandbox.com/analysis/266510/

Comments


Avatar
zbet commented on 2022-04-25 17:07:53 UTC

url : hxxp://103.167.92.57/airdrop/vbc.exe