MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b
SHA3-384 hash: 4e1fa2c5f9d07ba08c1959db4a4cd91f0e70ca181d512bd275916159f3653ad94486559919a87e9a486b73e610de92ed
SHA1 hash: 25a519dcab9c5d39b64d1ac6714bd68ac1324ae5
MD5 hash: b35d984dec565a6eb313d7e6a29e8e23
humanhash: carpet-black-east-winner
File name:b35d984dec565a6eb313d7e6a29e8e23.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'302'960 bytes
First seen:2022-10-26 10:10:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:7AOcZX4cgeFiqgLiXVnnEaUzj5HHeg/cbGOSMIvZ:dmvgLiXdBUf5HdYGOSMQZ
TLSH T1A1552322B2D68471D4711E36AA36B7166D7D7E316E74C60FA3D0589DDA32281223CFB3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9ee2e8e8d8c8e28e (5 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
b35d984dec565a6eb313d7e6a29e8e23.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 10:23:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/7f02d1ee-b1c9-4aea-8ae8-46de70cf312a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/324327/
Detection(s):
Win.Dropper.Nanocore-9974287-0
Create hunting rule

Win.Dropper.Nanocore-9975167-0
Create hunting rule

Win.Dropper.Nanocore-9975168-0
Create hunting rule

SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Sending a custom TCP request
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45606/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
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:
Malicious
Link:
https://analyze.intezer.com/analyses/0d8df2fc-c03f-4d5e-8721-9be55ad8acbe
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098293
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 730946 Sample: zJXfgrSSfQ.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 12 zJXfgrSSfQ.exe 3 65 2->12         started        process3 file4 39 C:\Users\user\AppData\Local\...\ffkcvfvrb.exe, PE32 12->39 dropped 15 wscript.exe 1 12->15         started        process5 process6 17 ffkcvfvrb.exe 1 3 15->17         started        file7 37 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 17->37 dropped 49 Multi AV Scanner detection for dropped file 17->49 51 Writes to foreign memory regions 17->51 53 Allocates memory in foreign processes 17->53 55 Injects a PE file into a foreign processes 17->55 21 RegSvcs.exe 17->21         started        24 RegSvcs.exe 17->24         started        signatures8 process9 signatures10 57 Modifies the context of a thread in another process (thread injection) 21->57 59 Maps a DLL or memory area into another process 21->59 61 Queues an APC in another process (thread injection) 21->61 26 explorer.exe 21->26 injected process11 process12 28 ffkcvfvrb.exe 1 26->28         started        signatures13 63 Writes to foreign memory regions 28->63 31 RegSvcs.exe 28->31         started        33 RegSvcs.exe 28->33         started        process14 process15 35 WerFault.exe 31->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-10-26 07:45:41 UTC
File Type:
PE (Exe)
Extracted files:
191
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnnoc2pshcozinffw5fmbb3nkbw4d7rk4t4bos7iut7qn5ajsuvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ubpr persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221026-l7zf8afch5/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/924ae2bd-2d93-4e5c-9b9e-6d8b1a99142b
Unpacked files
SH256 hash:
8acb565b34040b60b5bc01cbf3e25f4a2efd1d3b6033ac8ae5f57a23537aeef0
MD5 hash:
e1304571e811731588bc246eebbf41f6
SHA1 hash:
ecd998eaac1a968a6c09c4b851fcef1ab6b58856
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8d6454c3-7052-4df3-8904-57c05cd564af/
Parent samples :
53304618643cdc79b032becca67d8f5b29e7202ec25e7bb724ce712a03ec6592
fed743ba97ee8b48a3925816de1b2665d2a73bbf3bc75083fb9ade2855afc0ce
817de551d33841a6a6d81e99b4ed25682e796857b694cec79daa45afdb5cede8
af29f1801cb7159de48605410405ecf431646f72d43f739b80822bdab747da9d
335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b
a52d0bc31a250c5dd5c84c75fca9b965955297d20f582d79849c17fb59c4c04f
f8dd72e26f36b759975caec134a2ebe40acb84599226f4b880b631d572afcf43
660eb5f2811753c24ecbd5c0e08c68d83d7eca1b2827ed90e2a5189ed61f3a5b
SH256 hash:
a9b9dd5b3026334533297a592465c4b85d04fc64bed66a7ac8aaf7d91341e40a
MD5 hash:
e56e615404ddfc441c20857a11d7583c
SHA1 hash:
0e7a639fc705523faf113cec3ae5fe87af039859
Link:
https://www.unpac.me/results/8d6454c3-7052-4df3-8904-57c05cd564af/
SH256 hash:
1c711c4123cd8bac080596172c6a370c048960ee40af4e84ad074cd45151a780
MD5 hash:
e121de79d5688b3b9ea19a7c15e3f503
SHA1 hash:
da1e0770bb27441aaf43733e11eee76747f26fad
Link:
https://www.unpac.me/results/8d6454c3-7052-4df3-8904-57c05cd564af/
SH256 hash:
335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b
MD5 hash:
b35d984dec565a6eb313d7e6a29e8e23
SHA1 hash:
25a519dcab9c5d39b64d1ac6714bd68ac1324ae5
Link:
https://www.unpac.me/results/8d6454c3-7052-4df3-8904-57c05cd564af/
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/335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

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

Web download

Formbook

Executable exe 335ae169f2389d9434a5b74ac0876d506dc1fe2ae4f8174be8a4ff06f409952b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2384196/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/324327/

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