MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822. 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: f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822
SHA3-384 hash: f1692173dab0a1fa591bae270cf9a1be96cd0445ac1b3e58e36b777a1463ee206bea522b318a402a5ee421748d872f6a
SHA1 hash: 9b9e1398a81f5692caaf168023311e78fba2b193
MD5 hash: d316b55036ed7571bf26849eb0ae463b
humanhash: mike-zulu-seventeen-missouri
File name:Invoice.exe
Download: download sample
Signature Formbook
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File size:385'024 bytes
First seen:2021-10-29 09:52:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:JlfZxJ8N614b47d6f4Gz4K6PCFWZ1BsKUmST8q59Zcs6v1ucMJmQsEHyqQKgecwh:JlfZxqwB1ST8+cXIcMc6QKggfiyCQ
Threatray 11'143 similar samples on MalwareBazaar
TLSH T18384E0846378CB6BE4AC07BD94A2166943F598733672F7428FDA74D61833BC11E01EA7
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-10-29 15:06:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5712156e-89e7-46ab-84e6-d874595dc1cb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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/4abbf31b-bdce-48e6-9664-81e61bf2f8b3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879201
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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: 511635 Sample: Invoice.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Yara detected AntiVM3 2->34 36 7 other signatures 2->36 10 Invoice.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 10->28 dropped 42 Tries to detect virtualization through RDTSC time measurements 10->42 14 Invoice.exe 10->14         started        17 Invoice.exe 10->17         started        signatures5 process6 signatures7 44 Modifies the context of a thread in another process (thread injection) 14->44 46 Maps a DLL or memory area into another process 14->46 48 Sample uses process hollowing technique 14->48 50 Queues an APC in another process (thread injection) 14->50 19 explorer.exe 14->19 injected process8 process9 21 systray.exe 19->21         started        signatures10 38 Self deletion via cmd delete 21->38 40 Tries to detect virtualization through RDTSC time measurements 21->40 24 cmd.exe 1 21->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-29 09:53:07 UTC
AV detection:
13 of 43 (30.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7arghtms76crmnlj5wyovzra2i4frvmvro4iww5saxtgmdi6rara._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
115716164b2092df207c750d11a2b4ce05bee204b7f21f1f62d93a5b7d78afa1
Formbook
19428f9c431fb0f8d6fbd9ca194589bacf9d9d3e475717031373b71982bea2a5
Formbook
35204f1850b1439ef9a8fd958d6c3045edae69378aa3593021795d0600fc5a01
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
88f9f44e6cb13da79a3967ffa56a9d8c46d8d49623518df5e90c3d4cf72b3b79
Formbook
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
Formbook
ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
f8d9fbcef6907460baa7c91e53d1a40865901bb50906b5519cba440fdbc65032
Formbook
+ 11'133 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:ku75 loader rat suricata
Link:
https://tria.ge/reports/211029-lwmnaahgfm/
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.majesticgolftours.com/ku75/
Unpacked files
SH256 hash:
668e13a2e629202d419a7576e1eceac2d93b7149ba10d92229ec30a6a814747a
MD5 hash:
8a55977623705deba9705fed5d9dacbb
SHA1 hash:
4bad7ed12718727ae126b5515e01f871fae05204
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/733ea91f-dd15-4979-988d-c63920a88c7f/
Parent samples :
f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822
042d7e4a7d128ac32d2c85fc8be9534bb6b77a07329563a7620fa51dac279854
07108380475747569f5e1eb477ab651bb2d1310368495f147a408b6bdc9a6fb3
b965ef5578894b412785c78461aa1f583abcec73bd2bad56270e00b0f83ae5cf
4eae4ef0a29b60c3886d69412e45a908b51eccbdb8b6a8f2590edc9de2a692b4
22c6fd7aed288447206f5992faa3f2a89a2e22010b821338c1af5ec03b6b4332
SH256 hash:
bd4354136e9c5db3072d3b653140c9754153a01dc6596ef595bb4fe673a38ef2
MD5 hash:
5138ba9ed0304b311b7047d560c3e05f
SHA1 hash:
ac24649fa1d45f0025d128e0f04a25cf6ff2ae2c
Link:
https://www.unpac.me/results/733ea91f-dd15-4979-988d-c63920a88c7f/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/733ea91f-dd15-4979-988d-c63920a88c7f/
SH256 hash:
f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822
MD5 hash:
d316b55036ed7571bf26849eb0ae463b
SHA1 hash:
9b9e1398a81f5692caaf168023311e78fba2b193
Link:
https://www.unpac.me/results/733ea91f-dd15-4979-988d-c63920a88c7f/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f82263cd92ff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822

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
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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.

Malspam

Formbook

Executable exe f82263cd92ff85163569edb0eae620d23858d5958bb88b5bb205e6660d1e8822

(this sample)

  
Delivery method
Distributed via e-mail attachment

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