MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943. 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 2 File information Comments 1
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SHA256 hash: bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943
SHA3-384 hash: e85cc8c11f4321c4c0b967e99b4425eeafd0a9f3c42022dbda6d62cceb0abf3d4c47d57eaffc59a341934406def47616
SHA1 hash: 8f286e7c989a02e23d787f23454c325fb93ac129
MD5 hash: 5d4fd662a91cb6f89ef88b7a609d5a53
humanhash: fifteen-five-harry-yankee
File name:5d4fd662a91cb6f89ef88b7a609d5a53
Download: download sample
Signature Formbook
Create hunting rule
File size:732'160 bytes
First seen:2022-04-12 13:07:09 UTC
Last seen:2022-04-12 14:00:13 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 12288:ZGGrq4GqaO4quH7iptEQDBzFy3Dp34uDTbITsr92lypaNamliosMFg2g6:rW4GqalquH+HEYBhy3X7IuYsp1och
Threatray 14'798 similar samples on MalwareBazaar
TLSH T157F4CF09F7A6DA23E2A50777C4EB080403B0AA47D556D72F37A1A2990D433EB5D077BB
File icon (PE):PE icon
dhash icon 73432b4d556d597d (15 x SnakeKeylogger, 14 x AgentTesla, 12 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5d4fd662a91cb6f89ef88b7a609d5a53
Verdict:
Malicious activity
Analysis date:
2022-04-13 02:50:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/64f67234-f8a9-4e07-a40b-6d0344b8b037

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/263114/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.26888.19318.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe expand.exe obfuscated packed
Link:
https://www.filescan.io/uploads/625579b9eab80a7a6c00a311/reports/4f545870-252c-46fb-9650-f8bef22a70fb/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/7eb486b3-1b56-4fde-a5bd-d316c74783d1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/975360
Signature
.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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 607846 Sample: Bl0R0Rv1EF Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 9 other signatures 2->36 10 Bl0R0Rv1EF.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Bl0R0Rv1EF.exe.log, ASCII 10->28 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 Bl0R0Rv1EF.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 svchost.exe 17->19         started        signatures10 38 Self deletion via cmd delete 19->38 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 22 cmd.exe 1 19->22         started        24 explorer.exe 128 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-12 13:08:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a48c2b3780f6b0f3fd3f3f05f54066f465870e6f534237a5d283ee079882828
Formbook
52a948983c37f9056c1c2701179cb3698eb8c077faacd622ba26aef8055388ed
Formbook
7fb0c21777bc2f9b0dd0aa5519eebbe5ec9afa008e67edc2abec7e5c94957a36
Formbook
a9915e261e819e5388755f6e20a93b55c096eb7b81b930c7212a77be734a97b2
Formbook
a9f8ff439d6cf51c60a5f9bba3653ea480fa72249562e11d6bc03bda8e672f5d
Formbook
b0f1a1bfefa0359f8ef181219a761192e70a2d8ec0dd07692ffe24814f50c11d
Formbook
c0760105fed05b99698c3f1e5bb6ed6e2e9b386315d0e187cd075b8ed5ea7fe5
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
+ 14'788 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:a2rs rat spyware stealer trojan
Link:
https://tria.ge/reports/220412-qc774abedm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
de711978d83654dfd72b45187f161bfa2241f39277b55732bc35428962c40f16
MD5 hash:
5219170b15747107352cacbe41ea5a54
SHA1 hash:
6fb5234a6661bf18e37df2239af4eaf341533779
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/3bce02a4-25e6-4be4-8b07-a94872381b6d/
Parent samples :
a9f8ff439d6cf51c60a5f9bba3653ea480fa72249562e11d6bc03bda8e672f5d
0488a1801640896ea2e4922dcd03d47bea603db8b938aa2060bd529060ec37fd
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
7fb0c21777bc2f9b0dd0aa5519eebbe5ec9afa008e67edc2abec7e5c94957a36
bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943
cd0c02c985600efee1edc7dcca8808cdf06f3ac1d52427d39c2931d2472caa6a
SH256 hash:
e3de5a7cb18bd85f240a9c996d02a701964bf1fb351468389c7040dbfc430fda
MD5 hash:
92231b69a4ec9a9e51f7310ca4811ea1
SHA1 hash:
2a13f8a3dce82b013bf4d1b73e609babd384520e
Link:
https://www.unpac.me/results/3bce02a4-25e6-4be4-8b07-a94872381b6d/
SH256 hash:
20d35afaee64b8479c3f91090186db9ab508ff1e5815c4f7a750ada2a80a37d4
MD5 hash:
a8df8e0c4fd3b1dbbf4e869d91db50f4
SHA1 hash:
a5723e5fb81785920a55f0cb7f4c8488a7396482
Link:
https://www.unpac.me/results/3bce02a4-25e6-4be4-8b07-a94872381b6d/
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
Link:
https://www.unpac.me/results/3bce02a4-25e6-4be4-8b07-a94872381b6d/
SH256 hash:
bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943
MD5 hash:
5d4fd662a91cb6f89ef88b7a609d5a53
SHA1 hash:
8f286e7c989a02e23d787f23454c325fb93ac129
Link:
https://www.unpac.me/results/3bce02a4-25e6-4be4-8b07-a94872381b6d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bce2bc3a55df/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943

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 bce2bc3a55dfecfd388b134663893b70c3830b20a8afa395e36a28097e305943

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2142696/
  
URLhaus
https://urlhaus.abuse.ch/url/2142697/
Cape
Cape
https://www.capesandbox.com/analysis/263114/

Comments


Avatar
zbet commented on 2022-04-12 13:07:13 UTC

url : hxxp://107.173.192.140/60/vbc.exe