MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d. 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 3 File information Comments
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SHA256 hash: a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d
SHA3-384 hash: 4915301de60f6479eebf38ccf6a0f81b42f2c4ac4f7a0cb79146fbebd4101564c309f8941e5a26b9400146032ec6f72d
SHA1 hash: ace0206e65b480cff6802ee7439cf020c9048283
MD5 hash: e8093e6a8950b5a7558a603be6ab6ccc
humanhash: uncle-oklahoma-undress-wisconsin
File name:e8093e6a8950b5a7558a603be6ab6ccc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'072'640 bytes
First seen:2021-12-07 12:44:02 UTC
Last seen:2021-12-07 15:18:14 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 24576:dt+arPXlDkHeKkpi86C2ud+5vciria42qScTJqXg:d7aDai+2uAFN2a4vPd2g
Threatray 10'405 similar samples on MalwareBazaar
TLSH T1BB35226C32A762CDD909437037B6E07862B67C7B105BD29DD48B728F2937B127A63712
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Transfer Proposal-Sekou Conde.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-07 11:41:24 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/f2005cce-4d4c-4c5e-9c61-7022084f77e7

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/212133/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.27542.18177.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61af5718fa72c81b5b100296/reports/46a78a6b-d5b5-4506-a981-9dc635e41397/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35fc493f-b91e-4cfa-80df-95d29b3c33c9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903342
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)
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: 535818 Sample: l1L75xGAuw.exe Startdate: 07/12/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 10 l1L75xGAuw.exe 3 2->10         started        process3 file4 33 C:\Users\user\AppData\...\l1L75xGAuw.exe.log, ASCII 10->33 dropped 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 14 l1L75xGAuw.exe 10->14         started        17 BackgroundTransferHost.exe 13 10->17         started        19 l1L75xGAuw.exe 10->19         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 21 explorer.exe 14->21 injected process8 process9 23 msiexec.exe 21->23         started        signatures10 45 Self deletion via cmd delete 23->45 47 Modifies the context of a thread in another process (thread injection) 23->47 49 Maps a DLL or memory area into another process 23->49 26 explorer.exe 2 148 23->26         started        29 cmd.exe 1 23->29         started        process11 dnsIp12 35 192.168.2.1 unknown unknown 26->35 31 conhost.exe 29->31         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-07 12:44:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vabgz3og6uepl64yfr55gnzsighak3phzavdmm7x6w6wrrv2z2oq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
26506e7d3f4821066fc1989a5c79afb4d1a316aa428f9e4a920644d93a80b495
Formbook
29e7d7eec0c8b07eac1b67b2875c1942104495e5e37f8b08fd788d4157376b1b
Formbook
5e7b928b5c0d88553f69aeabc8483a2bafb9f99fe0b22cc6e46d8a578d5fb791
Formbook
680363927a2469dccde81c28ad5b3532f3f253282aa1aa75c61d6ae5593adb22
Formbook
83776d9ef6bb1af94a265dd3778a4b7b3e2759397a944a91ba0889ca643aab5e
Formbook
83f6ae731d42e5b754955cc68e0289a7b30592e04121cbea6f51a90845c331dd
Formbook
b6766af1afb815c61741089760278a15e9089ae7b14a3537faa4ca6e4ebfdffc
Formbook
ff9c2a9f30d1de620b3b32389ea8efd1f624113ec22ff7055a416539cac2afac
Formbook
+ 10'395 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sb6n loader rat
Link:
https://tria.ge/reports/211207-pyg3cscae7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.best5amazon.com/sb6n/
Unpacked files
SH256 hash:
b446f8e6956ec0324b05262ebb5e71fbee46c597bbb76c2bf91ad6d1d758d678
MD5 hash:
64272a2a774dc4dc6cdaf16a4ff1daa5
SHA1 hash:
259504e629e781de8a5690d42e9969cdaaafd85d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e294502-5403-4afb-85de-e7c3c3ad36b1/
Parent samples :
5e7b928b5c0d88553f69aeabc8483a2bafb9f99fe0b22cc6e46d8a578d5fb791
680363927a2469dccde81c28ad5b3532f3f253282aa1aa75c61d6ae5593adb22
a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d
SH256 hash:
b0206d2330b912102a3941fa3894d643fa61e2b04f0e95bde6e10a83a4f5d7e4
MD5 hash:
38265ee38904330cd623b8aaa967ab3c
SHA1 hash:
d4ff10eb564d68cf1a7583eac0968c69539f1a87
Link:
https://www.unpac.me/results/3e294502-5403-4afb-85de-e7c3c3ad36b1/
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
Link:
https://www.unpac.me/results/3e294502-5403-4afb-85de-e7c3c3ad36b1/
SH256 hash:
a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d
MD5 hash:
e8093e6a8950b5a7558a603be6ab6ccc
SHA1 hash:
ace0206e65b480cff6802ee7439cf020c9048283
Link:
https://www.unpac.me/results/3e294502-5403-4afb-85de-e7c3c3ad36b1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a8026cedc6f5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 a8026cedc6f508f5fb982c7bd33732418e056de7c82a3633f7f5bd68c6bace9d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1862569/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/212133/

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