MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5a4c9a06e2f17b5ceb734fa1d33b25c6c519b0b2b5ae0bd29b0e75fc86364c3. 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: d5a4c9a06e2f17b5ceb734fa1d33b25c6c519b0b2b5ae0bd29b0e75fc86364c3
SHA3-384 hash: 96efecfe7364e0f6040fd869847bb96915d352a9d39d3b33d4f1f2ebc4e2ccc8a7e9f1b6e9114e00b687111fafe4e5c5
SHA1 hash: 6165393d9386314a069a3d149455a14e560509de
MD5 hash: af2235afc9012fade77cc2a2d064b817
humanhash: xray-lemon-maine-crazy
File name:351hnH2DuFZoUZ0.exe
Download: download sample
Signature Formbook
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File size:730'624 bytes
First seen:2022-06-01 12:26:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:uyLFyqCSJnNtQwB7Ko8cocVl3M3vDD+QETTui6iYVsawqk0WgRqj5rY:uTqCQvQwYlC3svmyiy8SR
TLSH T170F40149F6F6CB12C2C66237D4CB411813719643E623E75B3FA4B7D91A433ABAD0274A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 70f8ecccece87070 (15 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
JuneXXOrder.xlsx
Verdict:
Malicious activity
Analysis date:
2022-06-01 07:56:07 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/c136785c-c502-4846-8a2a-7ee0295de679

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/276060/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.33037.705.21863.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Reading critical registry keys
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
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/05da0f94-502e-4ec6-9e67-215112adea8c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005020
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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
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 signatures2 2 Behavior Graph ID: 637516 Sample: 351hnH2DuFZoUZ0.exe Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 10 other signatures 2->38 8 351hnH2DuFZoUZ0.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\351hnH2DuFZoUZ0.exe.log, ASCII 8->22 dropped 46 Tries to detect virtualization through RDTSC time measurements 8->46 48 Injects a PE file into a foreign processes 8->48 12 351hnH2DuFZoUZ0.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.medicareinsurancebroker.us 35.208.213.232, 49765, 80 GOOGLE-2US United States 15->24 26 www.wirelessrepaid626.com 5.199.173.56, 80 CHERRYSERVERS1-ASLT Lithuania 15->26 28 4 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 wscript.exe 15->19         started        signatures10 process11 signatures12 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/d5a4c9a06e2f17b5ceb734fa1d33b25c6c519b0b2b5ae0bd29b0e75fc86364c3/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-06-01 00:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
11 of 26 (42.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wsmtidof4l3ltvxgt5b2m5slrwfdgylfnnobpjjwdtv7sddmtbq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:qg2u loader rat spyware stealer suricata
Link:
https://tria.ge/reports/220601-pmrgnacbhn/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
17ad3012d1f9ba27f8b4de3af8596317b1c33063a7a7dfa14a8460c09b64a002
MD5 hash:
5ede74b800a40f83c121445b86f2df31
SHA1 hash:
5d3da8548ea6cb2040a1e43b0241df49c2e4f937
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
Parent samples :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 hash:
9ebc73b66fb1a6fc8848fd6ea5154dec26e4d6588a0bf413321b0ec7e3e3de92
MD5 hash:
ee5e6419a34a397bec986ea395313cad
SHA1 hash:
ec83fc8f4a5ee9589a8f73547039d6873f66ab4f
Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
SH256 hash:
66e7bd31c90682e2b6436f7a3285424a0e5ddd6960e172ce210b235c49422b80
MD5 hash:
a2157fac93259f31e27efd8d4e7250f8
SHA1 hash:
740760a32737366a11bcec25abd9a4aa351823e7
Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
SH256 hash:
718d66187c7ecd99057fc666a93c496ce64b0a4153a14e1e2420b2e5ef3e69bb
MD5 hash:
d9a9820d5096ddc730e14e411d00f591
SHA1 hash:
39b914f65f9498d2d7d8b0ec1ed73beabd3fa98e
Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
SH256 hash:
d5a4c9a06e2f17b5ceb734fa1d33b25c6c519b0b2b5ae0bd29b0e75fc86364c3
MD5 hash:
af2235afc9012fade77cc2a2d064b817
SHA1 hash:
6165393d9386314a069a3d149455a14e560509de
Link:
https://www.unpac.me/results/a3d42eed-fa3c-4e72-962c-ba11948bd7e0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/d5a4c9a06e2f17b5ceb734fa1d33b25c6c519b0b2b5ae0bd29b0e75fc86364c3

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
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/276060/

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