MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c693f2f43531ac27c22d4abe354cd66fa4014a60d1df090b22dfe5a76a97c4d7. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: c693f2f43531ac27c22d4abe354cd66fa4014a60d1df090b22dfe5a76a97c4d7
SHA3-384 hash: 6367a9ea68daf9fde499deb69c1c877973b71ff7e19702bf637cded6cf599576c7f007f867a630e76e93cab7c2c8163d
SHA1 hash: c48b67cdcac808c3b8693442004df6e43fcd3582
MD5 hash: 4040b476c9e02a54f214b78293882c37
humanhash: tennis-tennessee-march-fruit
File name:4040b476c9e02a54f214b78293882c37.exe
Download: download sample
Signature Formbook
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File size:531'968 bytes
First seen:2022-04-06 16:31:16 UTC
Last seen:2022-04-08 16:41:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:li9hM1YmhJU7ZZXbfnhDch6C4/XGBG+dMXxj24dH1jkPF:9YIU7HhohaAXMXxjXdKP
Threatray 14'639 similar samples on MalwareBazaar
TLSH T1F3B4025973ABDA12D12C4BB3D4E2244147B0DB62E592DBCA67DD11EF81137E60A82FC3
File icon (PE):PE icon
dhash icon f8e4f239d9b8f8e0 (21 x SnakeKeylogger, 20 x AgentTesla, 11 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261447/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50081657.30384.30223.UNOFFICIAL
Create hunting rule

Win.Dropper.LokiBot-9943279-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/624dc0a440ce5db9f41d044d/reports/e6ec97c6-77b9-42e2-a8d0-e3e9798603bf/overview
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/2bf6b395-3b36-452c-b58e-4a4e27a4baae
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971696
Signature
.NET source code contains potential unpacker
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
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: 604182 Sample: oJvA9MvxZg.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 10 oJvA9MvxZg.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\oJvA9MvxZg.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 oJvA9MvxZg.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.sepuluhnyo5amazon.com 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 msiexec.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c693f2f43531ac27c22d4abe354cd66fa4014a60d1df090b22dfe5a76a97c4d7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-06 11:33:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d913321824b24f168daf6da5e888c9700fb5ed5e3bc06bd24be670c1a10fcb7
Formbook
253f3e1ffc17c3ef73f007378392b6b18c856f03175e978572bc3f105b3754a2
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
5d199f6e3b18707bf891e790552a097e326cb170308a95d4915b1a8e1718a4cf
Formbook
6c508beda564432a5658a9a1a1ef8061971195cc9ad84fba7c38db9b65450eab
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
8392408d685d10ddf024a7e4f47976e03a00fd787bd4ee0932766c4b9b278bc0
Formbook
d727b63c6bcf81ea3c6a345f8435ad103f37c11c1b2cc89f9fee1f7253a26f9f
Formbook
e638074622767c226f5cdb70802da5b362d775d9eeffb5b69fc372a9b721225d
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 14'629 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:g02e rat spyware stealer trojan
Link:
https://tria.ge/reports/220406-t1xytabhgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
860b474a3394c7d83ef87699342b8869853331bb50e8c0d518e63666c349e094
MD5 hash:
4753501bad1bea0a3f178296068e6a65
SHA1 hash:
dd86ef8caabd28157cc86a3fee24a154dccc8ae2
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/9cfadaab-9d83-44b8-a806-6febc1b9b1d8/
Parent samples :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 hash:
7d5a0b0de861c149d1ce825386fb772f3a622ce0fbfd27e76923a320e15bc798
MD5 hash:
bfed74f59ed992c3b7295f590f710830
SHA1 hash:
cb5ce0ea4f39f3f6a25fb153e776b2e8efdf554f
Link:
https://www.unpac.me/results/9cfadaab-9d83-44b8-a806-6febc1b9b1d8/
SH256 hash:
fe58122a2dc9f6b7c57eb945796affbcaa214b940cc31ea78bb3a93ec99b78bd
MD5 hash:
d4be86e94d2483566e3b788be1cf4658
SHA1 hash:
9e859c78492536bbcb13ce9a1efdebf5b73a6316
Link:
https://www.unpac.me/results/9cfadaab-9d83-44b8-a806-6febc1b9b1d8/
SH256 hash:
3090b741d08b73c2738e95ee8712124e844b0bf1c30ce206cdda04c242f67292
MD5 hash:
edead6bcad404f30d23e1f40190fe395
SHA1 hash:
8abc4d5bd335bdcd1310d2420a2a9f763c7a17ef
Link:
https://www.unpac.me/results/9cfadaab-9d83-44b8-a806-6febc1b9b1d8/
SH256 hash:
c693f2f43531ac27c22d4abe354cd66fa4014a60d1df090b22dfe5a76a97c4d7
MD5 hash:
4040b476c9e02a54f214b78293882c37
SHA1 hash:
c48b67cdcac808c3b8693442004df6e43fcd3582
Link:
https://www.unpac.me/results/9cfadaab-9d83-44b8-a806-6febc1b9b1d8/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 c693f2f43531ac27c22d4abe354cd66fa4014a60d1df090b22dfe5a76a97c4d7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2096984/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/261447/

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