MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace
SHA3-384 hash: 3162704743ed3c857f10afcc068edf65d9ac569619e51bfd9ca0da8b82c0ef78500d9f41f7b3f93161672b270bf1ab74
SHA1 hash: 4db7d35b765e32237be18ef33137845bc55f244c
MD5 hash: bfbbfe717b4c9b2c5f1111b99f0c70b7
humanhash: north-harry-comet-colorado
File name:bfbbfe717b4c9b2c5f1111b99f0c70b7.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:649'216 bytes
First seen:2022-11-07 11:34:33 UTC
Last seen:2022-11-07 13:27:50 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 6144:2cmTwcghHplENYAamM4OpxnA0HX12Ah22U/qCW6hGVm+J04MAwITjCinx+nmU:2cmsxhJlEhP6C+X1//3Kt2wITlgnmU
TLSH T10DD4AEF4045022B5DBBEDF32D5A92B6447A31D656383F60F1890B1F21A33BE38625D9B
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bfbbfe717b4c9b2c5f1111b99f0c70b7.exe
Verdict:
No threats detected
Analysis date:
2022-11-07 11:39:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/455935c6-cf05-4df2-9093-e9d196f4f07f

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/329867/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.3935.13513.20742.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6368ed6dec1c71bdbe760567/reports/14548c0e-41d9-4376-a0db-b4adece38e9b/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/ec1a1f41-9bb3-453c-a85a-bcc6b04020d3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1107188
Signature
.NET source code contains potential unpacker
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-07 05:31:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gw7u6oe6lug22s6mt4gvteqdq437cay2tvmqknnz2ny6pmds3lha._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ey84 rat spyware stealer trojan
Link:
https://tria.ge/reports/221107-np2jzadgh3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/82f015c2-9cd5-42d6-bec7-00a4a6d474f7
Unpacked files
SH256 hash:
a5be8644a807add461af3241e0c5ec54cdcd738640754e891054e41d04dd31c3
MD5 hash:
ca4ce7e693360f4cd62ff8cccd27658b
SHA1 hash:
edc8f45ab9affeb8f5f76a914dd7fd281ce892e8
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
Parent samples :
1b2fe76bd1cad45feafc7bbf7301e8f48018aa27504fbb88af5d7030b6d0d242
c48d62d8d6f694ec85fb1c5661b0d09ade998b6ae765a47d28c3b8cf5849bf87
48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
74dbd2fba0d3539db525ced5dcb88433d50a6a778d33531513135b8af6b078c6
204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c
35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace
cf8e08686f8a6d0db148bb8e5185cd5ccd8a6a9203ac5603ec7a125e483dd989
SH256 hash:
5e7a6e029ae437e3996ba08f170e28e14db401a437046e4f670f8b0a71c612d5
MD5 hash:
d59ab9faa3f8ddd1487ab54c3a79fb7a
SHA1 hash:
92e91129ab27f3ec61a71e8122e83fa2c322952b
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
SH256 hash:
e09898b2d8def0f1d9c1cd5310e11e976fe28e45d64cc1ea40d0071f33cd462e
MD5 hash:
2fdfc73be13f600bb83a1bc2eb419094
SHA1 hash:
221bbe91dcc8e27d131b5cce2ef5fc38778fe4b1
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
SH256 hash:
b6233b2ec092dda42a584e91f933a0318aae9d242dc1965adb0c3da3a282557b
MD5 hash:
96d12f5bf85f321efd8e8b25d19225c6
SHA1 hash:
90ad3dcd3653aa5f55cc41c6458c5210c53affb3
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
SH256 hash:
35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace
MD5 hash:
bfbbfe717b4c9b2c5f1111b99f0c70b7
SHA1 hash:
4db7d35b765e32237be18ef33137845bc55f244c
Link:
https://www.unpac.me/results/7fba5c07-fec0-4b03-8cb4-e30852382c23/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35bf4f389e5d/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/35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace

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.

Web download

Formbook

Executable exe 35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2355208/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/329867/

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