MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914
SHA3-384 hash: 51b97fefb5b816170c3f10a9edbbee74e06b1479edd7063e18e7b71456c239675017285d631b8d2a9a652ef6ee41ecf4
SHA1 hash: b14fd8b8dca9ffe2d66c5f44c5d4bc5c64801501
MD5 hash: 4f64f8067c9a4af6c508cb8990b0ddaf
humanhash: stream-fillet-indigo-edward
File name:SecuriteInfo.com.W32.AIDetectNet.01.1781.17642
Download: download sample
Signature FormBook
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File size:619'008 bytes
First seen:2022-07-25 03:32:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SiS30f/4qfLjmiPqO9rJrIPyVVeadSfKfO9u1:SiSEnr/miPqO9r+8ga8fKR1
Threatray 13'909 similar samples on MalwareBazaar
TLSH T16ED4023D1BF4AF23FA6947F85665005003F874356063F3981E8274DB2AF6F688991E9B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293849/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.1781.17642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62de0eefa2f481deb964a1c3/reports/bb5f063e-0236-4aa4-a9cc-fd80c96deaf3/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/115e64a2-ef2a-4721-9b0a-c8b60b321590
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040106
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-25 01:54:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uugmzq5pp3tejqptkamnoxku4bdcqv63a6oakggnsf5otkytleka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
28553a815377abf1848c9f84e528e6115969744b4d735e2e0cab9e4ed919a23d
FormBook
6017c6dd8da77a97fcb9ab18cc38dbe1eb5ea008643bbc02dbca1fec004f20fd
FormBook
947f2382fc8bc6976d1fd37ac489d9ea783f0a1becfe36d44943596f1178deef
FormBook
ddb347fd5862e0acada07e431285ab4726054d3481fb42c52707ba66c7276872
FormBook
ea29385606912e0d16cafcb9d40923e6ff36e47c265946fe39becbd5a9d29fb5
FormBook
ea4ca77890daba701679e692e4ad121c665c5089082450e00eb921976dffbe04
FormBook
f1a0d475c350215a9012f33149a8918ce8432f70af12904de606f4a18921bf49
FormBook
+ 13'899 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:en83 rat spyware stealer trojan
Link:
https://tria.ge/reports/220725-d37m2achh6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
c3074c59e9d2f28a5ec0d3a3076f213f068852997bfe8bae946221d2611c46cc
MD5 hash:
7dc7513e7418a2b7d9f1d794deaffaa4
SHA1 hash:
13e7dfa0d71128139a1baccdd27683ed95878ff9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
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Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
Parent samples :
85ce49f0532bcb23b394c9af68f6b816670d5deeba332c15aae2ed158a10f19e
a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341
13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9
cddd7c5798303f779782f6d34ce93034647e5984f9b52f259e030201b538fc3d
a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914
1d5f49fa09b805de66c2677afe0c55daa99ff7abafbb4dd5150f764b3fb26539
SH256 hash:
d268793080a0c1940fc1afcd53044cc06342833ea9d46d59256db1f32f481b7f
MD5 hash:
49d410a3dbf31fbee73f649730deb8e8
SHA1 hash:
546117de4a7c3724f3a585b0b9f8e512f407541d
Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
SH256 hash:
7dc7a407fb2e4e41f7d8d60ab630a2e11c87ada3388613b8392ca8a89051a8ff
MD5 hash:
200e3a2718fe30226fc84ccf471b5d1d
SHA1 hash:
bf8522b1f119484484091cfa92a9c630f09294da
Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
SH256 hash:
13ca2f7a55b98e1890983122e67935c97e6d9df4429279d49a1324c6d56f0451
MD5 hash:
8b3a92a3409ae046bf3dc0753fcf8685
SHA1 hash:
4455c3efa2bf569f6d180063bb1e104a22581d61
Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
SH256 hash:
a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914
MD5 hash:
4f64f8067c9a4af6c508cb8990b0ddaf
SHA1 hash:
b14fd8b8dca9ffe2d66c5f44c5d4bc5c64801501
Link:
https://www.unpac.me/results/b804a9b5-7460-4036-9d51-f69141942ffc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a50cccc3af7e/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/a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914

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.

Cape
Cape
https://www.capesandbox.com/analysis/293849/

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