MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7. 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: b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7
SHA3-384 hash: a7c87a9a3fb00337ad1269baea89b2a82b5753a19ebbbc98e4719ea2efd4554d087d7989c2fcd4a560cccc95eb6722a9
SHA1 hash: 339771f37e978060fdb5ea91838a59d9ca105a06
MD5 hash: 351dda1d7d2aea4ff40af903c4a5741e
humanhash: echo-papa-football-oscar
File name:351dda1d7d2aea4ff40af903c4a5741e.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:294'723 bytes
First seen:2022-10-12 15:13:29 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 6144:HNeZmPxBaeYvXLeVMXvygJ5VZsOXZwWaOrF0yxyt1lMOVw3lurQUB73:HNlPSH6VMXvygJ5/sbOrF412OVw8rV73
Threatray 17'897 similar samples on MalwareBazaar
TLSH T1215412522FA8CA63DDD383311A7E97B5A3FED52171BA450F27A13F2E7801752290E352
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319441/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
Searching for the window
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42713/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6346d9bcb5d1588e3cceedde/reports/09e254af-a9b3-4fed-a778-2677a5bb6fc0/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/cd1f7ad0-4ec6-4cff-b478-775c2bd547cb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1088916
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 721525 Sample: sRMi4c3hHe.exe Startdate: 12/10/2022 Architecture: WINDOWS Score: 100 37 www.keiomleaje.bar 2->37 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 Yara detected FormBook 2->57 59 2 other signatures 2->59 10 sRMi4c3hHe.exe 18 2->10         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\Temp\jvxsi.exe, PE32 10->33 dropped 13 jvxsi.exe 1 10->13         started        process6 file7 35 C:\Users\user\AppData\Local\Temp\7347.tmp, PE32 13->35 dropped 65 Found hidden mapped module (file has been removed from disk) 13->65 17 jvxsi.exe 13->17         started        20 WerFault.exe 23 9 13->20         started        22 WerFault.exe 2 9 13->22         started        24 WerFault.exe 9 13->24         started        signatures8 process9 signatures10 45 Modifies the context of a thread in another process (thread injection) 17->45 47 Maps a DLL or memory area into another process 17->47 49 Sample uses process hollowing technique 17->49 51 Queues an APC in another process (thread injection) 17->51 26 explorer.exe 17->26 injected process11 dnsIp12 39 www.rodriguezempirerealty.com 216.40.34.41, 49712, 49713, 49714 TUCOWSCA Canada 26->39 41 www.puntsgewijs.com 38.238.75.237, 49708, 49709, 49710 COGENT-174US United States 26->41 43 2 other IPs or domains 26->43 61 System process connects to network (likely due to code injection or exploit) 26->61 63 Uses netsh to modify the Windows network and firewall settings 26->63 30 netsh.exe 13 26->30         started        signatures13 process14 signatures15 67 Tries to steal Mail credentials (via file / registry access) 30->67 69 Tries to harvest and steal browser information (history, passwords, etc) 30->69 71 Modifies the context of a thread in another process (thread injection) 30->71 73 Maps a DLL or memory area into another process 30->73
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 16:09:47 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
32 of 42 (76.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7ix6k4mu6vivgdger2fdlkaxgu2c23aatr5g7dflsyirkyjxs3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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026b1bb30922adb4dd69cef48762fd5595a4ad728ed063b1a7b595564d7fc759
Formbook
252a90c80d388572159d56f0f154bbdd5b015496ffd22451b7c0ad64b84d53ed
Formbook
3752b7276189f276a42e2ee99480c513f8a57554991644a98c7460671ec9d3c8
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577b86660674d1a71218a077a47bffeec8c618153b66ca4205fcfcaf2cf020c9
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689fe883a7c0b817fd2327a3586d20670efce67e1c8d4d485ade465c7ef7f572
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87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
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8f72bc224c9aa28c9a45766e26a23170af8932465b7b363be143efbbdcf2157b
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96c459f3f71ca66620515448f8dfa12c67d8b3e020776c93ccda641cce782ad6
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c5eb2e141e2889e82b551dc4804f872a59a5846aae7c4419409fd13fb94f3deb
Formbook
e963c5f4f3d85c3b4ca97d11584940a9a499e7fb89348a8cb4f54ee49ec375a4
Formbook
+ 17'887 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:tsuz rat spyware stealer trojan
Link:
https://tria.ge/reports/221012-smbmzsghf6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5cdef467-9d64-4dbd-87ee-945cf011942d
Unpacked files
SH256 hash:
a401918a8f80dc951a27d97addb3c3768994dc792f498a267675da17c506aebf
MD5 hash:
596a8563d6af43ad863081ec5fe5971e
SHA1 hash:
b8879558f6609a60080400e3947f2c133e8929bb
Link:
https://www.unpac.me/results/a5d0e1f5-82d0-4330-a778-73679a6d3ba6/
SH256 hash:
b0cb09f58ee4e0b1d38b2e7a2791dafc80f33ef99c7a2ea7dcfb691f62de79e3
MD5 hash:
2b43f04f807267482865a36705f5f620
SHA1 hash:
9b845dee8a5b183af7595bc8f7c219e54c3e0475
Link:
https://www.unpac.me/results/a5d0e1f5-82d0-4330-a778-73679a6d3ba6/
SH256 hash:
b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7
MD5 hash:
351dda1d7d2aea4ff40af903c4a5741e
SHA1 hash:
339771f37e978060fdb5ea91838a59d9ca105a06
Link:
https://www.unpac.me/results/a5d0e1f5-82d0-4330-a778-73679a6d3ba6/
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/b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7

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:crime_win32_ransom_avaddon_1
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

Formbook

Executable exe b7d17f2b8ca7aa8a9866247451ad40b9a9a16b6004e3d37c655cb088ab09bcb7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2355202/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/319441/

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