MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106
SHA3-384 hash: 7bbc5e837cdfe92bf10caf8fa793b2007b3d6d5f4cb7619c6a3398abf3eb62734e223dedac656224422144a704f1ad4e
SHA1 hash: 41b20f810cebe7780a6aafdefd7b3750b23c3d6b
MD5 hash: 8096e08fcd411f31756f86c8f143e620
humanhash: uncle-vegan-avocado-xray
File name:scanned custom declartion.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:553'472 bytes
First seen:2022-02-28 09:05:36 UTC
Last seen:2022-03-01 08:14:12 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 12288:pJzkYy/Q8XAEtIw02s9eP6MMke4Tq/A8jStlDScgJj2nxkGDzzpPrZR04T:ny/Q8XAsI72sfQewxw4
Threatray 13'873 similar samples on MalwareBazaar
TLSH T166C45ADC31E275BFC8E7C8B9E9641C69AF20787A830B92179057129C894ED97DF170B2
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/245253/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Taskun.4c.334.11199.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621c9082b94fb38cb422dc93/reports/84ee9df4-b123-420e-957a-5578d1b1d4a2/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.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947226
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 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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 579710 Sample: scanned custom declartion.exe Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 36 www.sonokube.com 2->36 38 www.grandvillecarshow.com 2->38 40 store-images.s-microsoft.com 2->40 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 7 other signatures 2->52 11 scanned custom declartion.exe 3 2->11         started        signatures3 process4 file5 28 C:\...\scanned custom declartion.exe.log, ASCII 11->28 dropped 14 scanned custom declartion.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.transfer666.online 188.114.96.7, 49756, 80 CLOUDFLARENETUS European Union 17->30 32 www.arivestore.com 3.64.163.50, 49752, 80 AMAZON-02US United States 17->32 34 6 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 44 Uses netsh to modify the Windows network and firewall settings 17->44 21 netsh.exe 17->21         started        signatures10 process11 signatures12 54 Self deletion via cmd delete 21->54 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-28 03:33:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4gbuepsruwukop6qyz2dqf7fpumky7mxlbnzdq5y6j4n53zp2eda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05af1ccc6696a83c58e46a5347b40959329af79869e9747399befbe97c85104b
Formbook
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
28562d1e97597dbe302d550277e91bd4aa6869bd3d356668bc7c48b2b6eaa3d1
Formbook
335fa8671bb1ef8659247de4bed05898512fb3a056ef6deb31849eefef8a4743
Formbook
53685ac5f275b61fc580f2203e7d7e431d2b03b8e4320015b428745d68d5e333
Formbook
705bf99df489a6945a540499bc8c6d7b7564d9a255629e326013d4a85bb77a78
Formbook
71bad0685e5b2447a8dcdc960ee2930ad5ec4910d5d449040fb52cb9754df2a2
Formbook
8e2fa281cc72512de1fc53eb27a9c04a524ce87c3cdf5932931ea3dc463a459a
Formbook
b96d8904afc128bf96f360fb2702b6eb0d4d70ae6cbf32e7e4bbdd90ff884a04
Formbook
+ 13'863 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:m80e loader rat
Link:
https://tria.ge/reports/220228-k2saaadha2/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
32b32097d5e431a6216862e10242e441a573bdaefeb239aea1670f389e57a398
MD5 hash:
8d5f0ffcfe5b484210f2e3b0a1ed0ac4
SHA1 hash:
f6e508ac323c14eae197133f7422852ab0c9819d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/59fec246-4a4b-460f-b36a-2b2e211a205b/
Parent samples :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 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/59fec246-4a4b-460f-b36a-2b2e211a205b/
SH256 hash:
f031aeae0d6c3088e9d6ddeacb5932e0ea64d56d748fd24e3c28c33e41859403
MD5 hash:
c8a868d8234205434f8b930bd84ef47f
SHA1 hash:
1dc069bad677526259666c4e301d671326a8b234
Link:
https://www.unpac.me/results/59fec246-4a4b-460f-b36a-2b2e211a205b/
SH256 hash:
e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106
MD5 hash:
8096e08fcd411f31756f86c8f143e620
SHA1 hash:
41b20f810cebe7780a6aafdefd7b3750b23c3d6b
Link:
https://www.unpac.me/results/59fec246-4a4b-460f-b36a-2b2e211a205b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e183423e51a5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106

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
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.

Malspam

Formbook

zip 375511fcaec20c4d0a78413c0e3a27f5e36e88ef910d7f1ac6956b4ac940bc73

Formbook

Executable exe e183423e51a5a8a73fd0c6743817e57d18ac7d97585b91c3b8f278deef2fd106

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 375511fcaec20c4d0a78413c0e3a27f5e36e88ef910d7f1ac6956b4ac940bc73
Cape
Cape
https://www.capesandbox.com/analysis/245253/
  
Dropped by
SHA256 6b9a39bea713ed377c8383e4510ccdfe1e16e725a7f92a75f99923b8c0cae73d

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