MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de
SHA3-384 hash: c7e016d4f8accd2d3fd080c833b62318c69cc70a9069440ef8f4eaa8d05132b8ce12903ed5fcd0546a69af597546dc16
SHA1 hash: 3badde24ac2d4dbcf354e6d31d1ecf29af4f0956
MD5 hash: 9a11096ec7f7df31e17a49b906ffe6e8
humanhash: october-glucose-robin-mockingbird
File name:9a11096ec7f7df31e17a49b906ffe6e8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:802'816 bytes
First seen:2022-01-17 09:39:02 UTC
Last seen:Never
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:atQUhrMN/vFMkwmuVHH5xqzuZ7kRRRRRERdI:OQ+QwmgHHnko7kRRRRRERm
Threatray 12'823 similar samples on MalwareBazaar
TLSH T1A005B61D16A1A887C09D8EF0B85DEB7F14122DBDA722C6363534B19F39123F92D6643B
File icon (PE):PE icon
dhash icon e0f0d2f0e2ccb492 (5 x Formbook, 4 x AveMariaRAT, 3 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9a11096ec7f7df31e17a49b906ffe6e8.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-17 12:56:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/250b68a5-0cd2-4b28-bbad-ab64172a146e

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/219794/
Detection(s):
SecuriteInfo.com.Trojan.Hosts.49477.30444.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e5393f0f8c757253c3d3f7/reports/9d6eb25e-71d5-471b-941f-1d2bbb72814e/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/bcff46f5-da7c-4393-8f80-4a6db69c0eee
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921706
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 554184 Sample: wJR701YzJo.exe Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 31 www.norfolkfoodhall.com 2->31 33 norfolkfoodhall.com 2->33 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 7 other signatures 2->57 10 wJR701YzJo.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\wJR701YzJo.exe.log, ASCII 10->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 14 wJR701YzJo.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 cmmon32.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 41 Self deletion via cmd delete 17->41 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Tries to detect virtualization through RDTSC time measurements 17->47 23 cmd.exe 1 17->23         started        35 fruitfulvinebirth.com 162.241.218.112, 49787, 80 UNIFIEDLAYER-AS-1US United States 20->35 37 www.fuchsundrudolph.com 81.28.228.90, 49809, 80 SCALEUPDE Germany 20->37 39 7 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 25 autochk.exe 20->25         started        signatures11 process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-17 09:39:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15f9ae45222e5eb82ac39303b8f9b852399bbf3ea54c3f7ff7d04e76756bc43f
Formbook
400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65
Formbook
4f64511b423d79682dfad8f6b516516d32e801f0031f07b7e3c6c19798a64b95
Formbook
6846492babd6809fcbf6d1a30ebd47db29061bc23237069ff85a86b406b1abb0
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
d36d73e78b048c34b8ed4b2c1035f27c0c1857ae8eb5f1167942981139138b35
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
f80dd0bf7402bebd03d303c97c8dd3f921d3e923a2521f4a2af2e4bf3c288aa1
Formbook
+ 12'813 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/220117-lmmlxshce8/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/0a4a1a66-01f6-4bc8-8f65-e58038f863f5/
Parent samples :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 hash:
24bae02056abde6d68745b4b9ecbc3693c4d9685db5921a18f87ef029d60a2cc
MD5 hash:
2e1342e640ba1f94f986b1043fa176e1
SHA1 hash:
f265f005125335cd2d71e055dcde58fa8ff4150e
Link:
https://www.unpac.me/results/0a4a1a66-01f6-4bc8-8f65-e58038f863f5/
SH256 hash:
6b2cb18c265945553e2533c77fb43a37911884fb5ea151cf76f9f05716956a91
MD5 hash:
bd7563fdf6454c714d228fdb7441537e
SHA1 hash:
ad484475fc22ae9dfe6fa2dc16f92aa7e6d0005f
Link:
https://www.unpac.me/results/0a4a1a66-01f6-4bc8-8f65-e58038f863f5/
SH256 hash:
a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de
MD5 hash:
9a11096ec7f7df31e17a49b906ffe6e8
SHA1 hash:
3badde24ac2d4dbcf354e6d31d1ecf29af4f0956
Link:
https://www.unpac.me/results/0a4a1a66-01f6-4bc8-8f65-e58038f863f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de

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 a1d8420052bbdcaf3d318427bfe57edf5cc330fb14aaa5f4a597fac220c2a6de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1948988/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/219794/

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