MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f
SHA3-384 hash: 99050a84a4e61b8b69101f5da731508c8f181873f643af6bd801ed60409ae15e12637304155bc81004b419356c2b6aa9
SHA1 hash: 776f4950f8109003c1d88e53d7921d27280a3ae7
MD5 hash: 548d5acd91befcf89ccc80c9d8256002
humanhash: victor-spring-mike-wyoming
File name:548d5acd91befcf89ccc80c9d8256002.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:927'232 bytes
First seen:2022-01-07 14:00:58 UTC
Last seen:2022-01-07 16:14:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/7zmPbwjQ0uaDGN4hP0R+tw13sPHDjD/QILAcetvHPsUTkUhjxHJ6tvqV42k/2QB:XmHaDY4F0X3Sj/QGNe5Ps5fV
Threatray 12'740 similar samples on MalwareBazaar
TLSH T1D5155B8431C071CDC4EBD9F28AA6DC729A607CA65726D10F64DB3DAB7A7DE47CA08071
File icon (PE):PE icon
dhash icon b4a88a8aeacac0e2 (2 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
548d5acd91befcf89ccc80c9d8256002.exe
Verdict:
Malicious activity
Analysis date:
2022-01-07 14:12:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/847274c7-ee81-47d1-ae74-8b11a54bb110

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217728/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.AAYP.13085.16588.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61d847a51c0d769df9d5b3f0/reports/48b560ac-7a44-49b1-b5d0-09ba6c70ae12/overview
Result
Verdict:
UNKNOWN
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/f22cc077-8304-4522-addd-97ee813b0ee0
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/916845
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 549323 Sample: BWcoeins9a.exe Startdate: 07/01/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 10 BWcoeins9a.exe 3 2->10         started        process3 file4 31 C:\Users\user\AppData\...\BWcoeins9a.exe.log, ASCII 10->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 BWcoeins9a.exe 10->14         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 17 explorer.exe 14->17 injected process8 process9 19 raserver.exe 17->19         started        22 autoconv.exe 17->22         started        signatures10 43 Self deletion via cmd delete 19->43 45 Modifies the context of a thread in another process (thread injection) 19->45 47 Maps a DLL or memory area into another process 19->47 49 Tries to detect virtualization through RDTSC time measurements 19->49 24 explorer.exe 1 151 19->24         started        27 cmd.exe 1 19->27         started        process11 dnsIp12 33 192.168.2.1 unknown unknown 24->33 29 conhost.exe 27->29         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f/
Threat name:
ByteCode-MSIL.Trojan.Taskun
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Status:
Malicious
First seen:
2022-01-07 14:01:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
52
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
3c49925f16564b984c0b0f76cff0d581bf770958f0dd5686aff2c6ce747eef2a
Formbook
3f95e7795f8c0b70983561a48425e735ef7832603543980f460b1356403ec622
Formbook
787179b3dd4ded4008927e4033331b00b60762872da94de5db3e6bf4a3b6e143
Formbook
b69b083b0c8269eff171c000b1aa7de0f3418dbc4d61e6d245168f484b14ccdb
Formbook
ca08a2e70dac67086919a22c1b4bdf3f0f2578cb446ca74c8e599f71d0849e55
Formbook
d78094f3b6eac87e2d4249671bdc4e044afb31e2e78aac8f2db7186c6d5b6db1
Formbook
dd4af1effdd1081fccbd05d035c4dfac3b992a358e2a6a6140095d0385ca7f5e
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
+ 12'730 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pnug loader rat
Link:
https://tria.ge/reports/220107-rbkk3scgap/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f633a35d33be3674dafec674e27d9a43661ad47b810cc7385d6ef0c010d4674c
MD5 hash:
473f90ff7f0ca5d29ad56c65f61b8e6a
SHA1 hash:
68938b0956098d3fdad50d46fad3531b39dde34d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/15dae811-e3c5-4a7d-b9bb-b6454347ee9c/
Parent samples :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 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/15dae811-e3c5-4a7d-b9bb-b6454347ee9c/
SH256 hash:
7cfa245a2f07b0d0ca9e6591d90d18f068281a0e38ddff2ffc324ef5b2e7556c
MD5 hash:
0cd1c441f5b8ff5cfc53d35676823dd8
SHA1 hash:
000a2e0852d3863582d7d9154aaf9cfa1dd64f59
Link:
https://www.unpac.me/results/15dae811-e3c5-4a7d-b9bb-b6454347ee9c/
SH256 hash:
15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f
MD5 hash:
548d5acd91befcf89ccc80c9d8256002
SHA1 hash:
776f4950f8109003c1d88e53d7921d27280a3ae7
Link:
https://www.unpac.me/results/15dae811-e3c5-4a7d-b9bb-b6454347ee9c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/15f9ae45222e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f

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.

Web download

Formbook

Executable exe 15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1948988/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/217728/

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