MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3
SHA3-384 hash: d6dd0064cdafe6a0a72cd8cf28623cc0caf9b646d9dec2c1b97589df30ed707e4d005e591c62e7828f22dc3c541e59ab
SHA1 hash: 0860f86752935d3fb49f732a05c5adac7886871a
MD5 hash: c8ca6a9423c0c873479cf9a884725497
humanhash: avocado-alabama-three-coffee
File name:refno1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:883'712 bytes
First seen:2021-08-11 13:35:07 UTC
Last seen:2021-08-11 13:35:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:p2KdPp9AR95yvnqPXdxVZ0E8ipPd8caAPVZiyy/:HPpKRyvnqPXz0EfPDVZi
Threatray 7'810 similar samples on MalwareBazaar
TLSH T13115020B23805393C415AF3658A9B3930671EED9DBA1EEAD7C82752E1DE7341CE12763
Reporter JAMESWT_WT
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
refno1.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 13:40:43 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a3d4eab1-5a8a-40d8-b298-3c4f301c1127

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/178284/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.2343.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
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/e3772b40-f0c4-4cfa-931f-dd5d109e3844
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830982
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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 (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: 463410 Sample: refno1.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 31 www.thesoulrevitalist.com 2->31 33 www.micheldrake.com 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 7 other signatures 2->49 11 refno1.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\refno1.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 refno1.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 cleanxcare.com 78.31.67.91, 49741, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 18->37 39 adultpeace.com 163.44.239.73, 49743, 80 INTERQGMOInternetIncJP Japan 18->39 41 12 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 raserver.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3/
Threat name:
ByteCode-MSIL.Trojan.Swotter
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Status:
Malicious
First seen:
2021-08-11 13:36:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00be04f3c179dd3a875ab77116512809a278a4df6fa6e8b3d2e989a50607b180
Formbook
146f5b2544e98818cbe9813068d6f08037df0e29a3b83d4d2fce3e1bfc444f2a
Formbook
36fa0c2bd4ebc419638530f5ed45d4efe1a25a0703167f88bb3b9dbe6404109e
Formbook
71ec0c91aeec5071da283d23bceb39800e9ad6c133bb6aef99d1302f47a4ada3
Formbook
8d94157c8d223c29d1507a1ed3300a21eeccce8c8a49ccc05fc7c83a044517a5
Formbook
91dcc4e55ff38d4e7528fe0e1b087285edd7aff2c76f33724356a64eee151ca4
Formbook
9bd1ece148b9ed05dc835703baa1acba77455de1a928b7f71b8a9af075485722
Formbook
a91be42c9c114a104e81719e728a94f3ba54dc619801beb22670f38524a1356f
Formbook
f1f3e9d0bcea30ca7beb1322cd888be2d0e00e5e419c5c6838aa2c63cadab65d
Formbook
f3a5f73b6bef3d25071f3e2fb2f3c6402683d2770539e5b046bdc7b485ce3c0b
Formbook
+ 7'800 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:p2io loader rat suricata
Link:
https://tria.ge/reports/210811-at3adtnwbj/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
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.adultpeace.com/p2io/
Unpacked files
SH256 hash:
4616a9f45edafce801bf4cc60bf28ab6001cf94b81d9607a2e0a34e3f648f8db
MD5 hash:
4b672b6d5cbfc6486d0ac8f8af4481b9
SHA1 hash:
38b775d53204c7e63d67b83add3b95f193e796b3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/40cec07d-efc3-4b9e-acee-10607197a346/
Parent samples :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 hash:
35d88ca0a43d8e37d0f08bd040a1962321e62c392306c7f0ca509223c7f4f4c8
MD5 hash:
1df98b14685746897448a720b5dace87
SHA1 hash:
5df1d8ec6d7d382b7281db14de90a53d6e02e3ab
Link:
https://www.unpac.me/results/40cec07d-efc3-4b9e-acee-10607197a346/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/40cec07d-efc3-4b9e-acee-10607197a346/
SH256 hash:
639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3
MD5 hash:
c8ca6a9423c0c873479cf9a884725497
SHA1 hash:
0860f86752935d3fb49f732a05c5adac7886871a
Link:
https://www.unpac.me/results/40cec07d-efc3-4b9e-acee-10607197a346/
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/639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3

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:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 639b60ea1b7a45599670bcc009ca98c0dcd5f231f65706b206456fb33e4217d3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1524950/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/178284/

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