MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177. 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: 12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177
SHA3-384 hash: e59776ee58b01decdeda44b3117e90e5cbbf5987620c378746e878f844758a14730f1dda43d63dc5b383e2c466979f92
SHA1 hash: c17d480957740e5ca6c1d44e6c4e9988ec8ee4b0
MD5 hash: aaf552cbe7b50fadd8c5eb127f2ab70c
humanhash: kentucky-eleven-timing-tennessee
File name:aaf552cbe7b50fadd8c5eb127f2ab70c.exe
Download: download sample
Signature Formbook
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File size:906'752 bytes
First seen:2021-09-08 11:02:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'450 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:BOYFJLgGU2EDIlpQ5jZw53YkKXFEST8W/QrQa2I+eikklVKqurW1vlzKd5Qp:Bw+Gw53rKVDqQaQkX1W1vlzK
Threatray 9'107 similar samples on MalwareBazaar
TLSH T1B715962DF5BD9226926DCEE9C7D35417E381459A3322992017B7431EA212B83F483F6F
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aaf552cbe7b50fadd8c5eb127f2ab70c.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-08 11:05:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3fb8f42d-9690-4d20-bbca-5525c1f0a566

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/186326/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1023.12044.16835.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0af9bef3-b55b-44f0-9a78-6a0da83b6413
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847325
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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: 479768 Sample: mzPc4AjQ56.exe Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 31 www.hemp.college 2->31 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 11 mzPc4AjQ56.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\mzPc4AjQ56.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 mzPc4AjQ56.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.bangshouer.com 154.201.233.72, 49834, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->33 35 www.autoschapin.com 208.91.197.13, 49839, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-08 11:03:33 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=clv654rsdy5ih3paklcfhglcb2tse7726vpfegmjlmyn6gpzof3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
7d6cb8f7f367c80349027eada7707f57f758aa3ba31fc4889f6f8bec5ff47cab
Formbook
96d01352b8291a658a602d403e2133d469945ab385d9746db535aba474fc04d0
Formbook
bf47f08eee3ae55a05d7cc1609a916422eb04771d04242ffa60756d922df3412
Formbook
c44b1ee1b7cd66260ed15839ebaa8fc97be83e5b61007a14384f86e14ecf4a20
Formbook
c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42
Formbook
+ 9'097 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bckt rat spyware stealer trojan
Link:
https://tria.ge/reports/210908-m52n8shedr/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.wonderspirits.com/bckt/
Unpacked files
SH256 hash:
bd39c62e454bea953bfb1da37b102d7758a487fbf10ba126368d52d0edf6ef84
MD5 hash:
eee6db77469f8bd29389645188ec1a5e
SHA1 hash:
34a81c7627e1cd505b953c41dcca3d39d6752684
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/e22642b2-2c77-4691-9568-401b77a89459/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/e22642b2-2c77-4691-9568-401b77a89459/
SH256 hash:
48d17ff37e77435ff8183231be2bef40013dc1097107d6f3069988073cfc2067
MD5 hash:
4b3b34e11b30ba2e30cb2ffdd63294ac
SHA1 hash:
91b5ab6b97ff56afe3c7871ba7615e61fb282b8a
Link:
https://www.unpac.me/results/e22642b2-2c77-4691-9568-401b77a89459/
SH256 hash:
12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177
MD5 hash:
aaf552cbe7b50fadd8c5eb127f2ab70c
SHA1 hash:
c17d480957740e5ca6c1d44e6c4e9988ec8ee4b0
Link:
https://www.unpac.me/results/e22642b2-2c77-4691-9568-401b77a89459/
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/12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177

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
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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 12ebeef2321e3a83ede052c45399620ea7227ffaf55e5219895b30df19f97177

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1599707/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1583603/
Cape
Cape
https://www.capesandbox.com/analysis/186326/

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