MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726. 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 1 File information Comments
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SHA256 hash: ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
SHA3-384 hash: 3af33218544db7735e2f654f38631a8cdfaefdf0c0963879718ef49b72716361f028142ecc9becc1af32aa11cc2d4568
SHA1 hash: 95b3af264ecfec7155002f8ee9bbc46c4946e84f
MD5 hash: 8bc5cae30e499dea0d78f85c309be304
humanhash: alpha-nevada-muppet-solar
File name:8bc5cae30e499dea0d78f85c309be304.exe
Download: download sample
Signature Formbook
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File size:340'236 bytes
First seen:2022-03-02 18:51:35 UTC
Last seen:2022-03-02 20:52:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi7auR/NjX9+f4gVGOq815vl2wSXeGLF96FJckE47dNJ/Zu3nPF2f0:z1jN+f1VrSwSXeGh96FGkE47m2c
Threatray 11'204 similar samples on MalwareBazaar
TLSH T1FF74231B76B32FB7C1256D385EF772E0E5B360110A846E27C7841F6B2DB149A8386357
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/246469/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.6559.12408.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/621fbcd90cd58dbd9264a846/reports/72442f75-3115-471b-91ca-63852146d233/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/be115579-80de-4285-af9a-dc94b49912d0
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949413
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 581895 Sample: mJiRR15gtt.exe Startdate: 02/03/2022 Architecture: WINDOWS Score: 100 34 www.toposales.com 2->34 36 www.kodaikeiko.com 2->36 38 3 other IPs or domains 2->38 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 4 other signatures 2->60 12 mJiRR15gtt.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\iizlfx.exe, PE32 12->32 dropped 15 iizlfx.exe 12->15         started        process6 signatures7 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 74 Injects a PE file into a foreign processes 15->74 18 iizlfx.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 18->21 injected process10 dnsIp11 40 www.speclove.com 74.206.228.78, 49782, 80 WEBAIR-INTERNETUS United States 21->40 42 listingswithalex.com 192.99.206.41, 49784, 80 OVHFR Canada 21->42 44 6 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 msdt.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 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/ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-03-02 18:08:19 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5kjizcg65umvfdpk2d6hq2jw62wbal4usboodp7w35tyw7cwa4ta._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
13d4188437fd7caf662393052ef82808bf70cdb5e31fcc2f162ad2dffad377aa
Formbook
224f624a53eb1c209d1fc9161cb9d91464768960765e64855ccf547d0c64c478
Formbook
29e7d7eec0c8b07eac1b67b2875c1942104495e5e37f8b08fd788d4157376b1b
Formbook
39cc0c369b8ce6f0570864f4ac0019abed40383a582aae1a13c34e2de08a7168
Formbook
6849e65e9ac20880fa99583b202ae710e0a3885cd72692a0c1b4d72aae109adf
Formbook
6ff46a14b9b9ee749f6d723246afa1f2c82e85433de7c243d9b66046fa25fa42
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
8230050be18082cbd46028e18bd49362c630c8c63dfc8b6875b605f250fadda3
Formbook
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
Formbook
+ 11'194 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:igwa loader rat suricata
Link:
https://tria.ge/reports/220302-xh3m5ahfar/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
25bba27f31d8b5e3a1332768f47db4f74ce9148611a3aa4c2bfe5f3c5258bb38
MD5 hash:
dad43446a578a53bc90250a656a1ee2a
SHA1 hash:
29510706a2baa37c3b578e85827a2ad1800b8932
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f515fbe-a125-4153-8d37-5451e35582b8/
Parent samples :
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077
fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
2e3edcdf1ab052a2e0fbd8ffdaf213876b3571b23ff74f5e157ce24a1155be81
ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
SH256 hash:
09c5403cd9c5a3a91b6f8e7f36ebb75d324f129b30cdb503f4a646c854d09684
MD5 hash:
c85dd002179aa3ebc224b2d5444eb0c0
SHA1 hash:
7aaf0a85352d8bd72ae25e49b33184ebbadc060e
Link:
https://www.unpac.me/results/9f515fbe-a125-4153-8d37-5451e35582b8/
SH256 hash:
ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
MD5 hash:
8bc5cae30e499dea0d78f85c309be304
SHA1 hash:
95b3af264ecfec7155002f8ee9bbc46c4946e84f
Link:
https://www.unpac.me/results/9f515fbe-a125-4153-8d37-5451e35582b8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ea928c88deed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.27
Link:
https://yomi.yoroi.company/submissions/ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726

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:crime_win32_ransom_avaddon_1
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819

File information

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

Web download

Formbook

Executable exe ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2059391/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/246469/

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