MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2
SHA3-384 hash: 55952ff8237b843bb576fe66fc5024b5a6f3e10292810ae8f8d27ef891cbc94148bd6968298308e3b2e80bbcedd100b4
SHA1 hash: cd2ccc1597efaac9c295314b7abd99514dc2f1d3
MD5 hash: 02a922bbd5a983fb351ebf4d0c2370ee
humanhash: purple-wisconsin-sierra-cardinal
File name:triage_dropped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:247'881 bytes
First seen:2022-04-01 13:18:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunblsMsDMcMG5dbRoB695wUW8l/n1h2DRUsydwqBSI71sWgy8yZvb:HNeZmlf2/RM69fW8jh2DkXYcIJWKu
Threatray 14'756 similar samples on MalwareBazaar
TLSH T19734124977F4D439C0622E315C716A772DDBE02A1079EA0F1B607F6EBC32643590E7A9
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
71c5c4df-741e-4a62-1690-08da1377112df11f259c-01ac-6ffd-6b70-51c841d4deee.eml
Verdict:
Malicious activity
Analysis date:
2022-04-01 03:18:29 UTC
Tags:
encrypted trojan opendir exploit CVE-2017-11882 loader formbook stealer sinkhole
Link:
https://app.any.run/tasks/82047380-33a2-4e2b-94e5-ae5f77b78678

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.2648.15819.8851.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/12319/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6246fbc79253b276b7c04e4d/reports/f74b7fb1-78c7-48fc-a0f8-4afcc1ddf9e9/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/cffc2112-4807-412c-bde9-b176e919e09e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/968991
Signature
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 601478 Sample: triage_dropped_file Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 34 www.idealica-p.com 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 4 other signatures 2->56 12 triage_dropped_file.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\cejpyx.exe, PE32 12->32 dropped 15 cejpyx.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 cejpyx.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 pltraffic13.com 72.52.178.23, 49790, 80 LIQUIDWEBUS United States 21->36 38 www.electrikpower.com 185.26.105.244, 49792, 80 ATE-ASFR France 21->38 40 2 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 60 Uses ipconfig to lookup or modify the Windows network settings 21->60 25 ipconfig.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-01 04:14:57 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hiakbegcmov3jftfdk34ynbqnyreyyvrjq5ixbp6k3jqyunpdoza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
1378ae8590449eb1d4300a28ca1119097f5954ac6c54f99dc0d83d75d932da28
Formbook
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
Formbook
3b10fd5bae448476e22cca9c4b9b12263c089af68ebfeb7159ddaf2f4ec3e7bc
Formbook
71bad0685e5b2447a8dcdc960ee2930ad5ec4910d5d449040fb52cb9754df2a2
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
da30dd86e912cbfcf0cb4306265cedf47604891dc868db7c59dd92d47ad32063
Formbook
da90895ec14c13c733ba3550194ab36a4c64130c5c2b2038c163dff0c505b3e3
Formbook
dae8588b604d0728a1a1ecc77096197a34ed1b22ae7de69a53f39b59e6574ffd
Formbook
+ 14'746 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:xc52 loader rat
Link:
https://tria.ge/reports/220401-qkg1wabha9/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
28e384122142131d59cf40d38fefe1439a0783ac1c3ea0351a46ddcbffabb8af
MD5 hash:
221bd0ac6c0ce38190aa3fef9cdf2858
SHA1 hash:
8b28f71b63649f1ae10900978315bed2c5fb9425
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2a424dd8-d40e-41b7-bf74-4476263dfc8f/
Parent samples :
3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2
ff4f7b5393286be5e2c944baf8c38494796a80a1cbb833be3eaf5133ecc51842
841c900cb4b5f163f77a80953d1dfc4d3f97125be41ad23ac4674b11f1f533e6
5c6229c4315a736e487b6eae35dd91d600316c8f00ccbbf38f992c6edc9cffd0
SH256 hash:
be4dcfe88575d826789875ec5e86c9f4c4faea617f7de46c808e9e5aea2588e2
MD5 hash:
3dba4bb35ac4d3dff99f2889e310fb67
SHA1 hash:
74c9a464fb6c72670c52f690d11b173fcab1a141
Link:
https://www.unpac.me/results/2a424dd8-d40e-41b7-bf74-4476263dfc8f/
SH256 hash:
e19cc585d0d70e3219618efe9747277b65e840899448f951d41a710cfb4161ed
MD5 hash:
ad0dd08783d4ed5f82b39aee2f02cf20
SHA1 hash:
ce8f675b7071ead20875f6a61ba8021507fa93dc
Link:
https://www.unpac.me/results/2a424dd8-d40e-41b7-bf74-4476263dfc8f/
SH256 hash:
3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2
MD5 hash:
02a922bbd5a983fb351ebf4d0c2370ee
SHA1 hash:
cd2ccc1597efaac9c295314b7abd99514dc2f1d3
Link:
https://www.unpac.me/results/2a424dd8-d40e-41b7-bf74-4476263dfc8f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3a00a090c263/report/overview.html
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/3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 3a00a090c263abb496651ab7cc34306e224c62b14c3a8b85fe56d30c51af1bb2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2127066/
  
Delivery method
Distributed via web download

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