MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac
SHA3-384 hash: 4f25ef0e937389b4f668af2cc1f1eab26d0c87ad3d8266d5c9f37fe4c744cdccbd6c35173096ebf14ccd0d426747045c
SHA1 hash: b08d931594f373da2dbc8909098069248023bd90
MD5 hash: 49b70397af4dc198552278ae87ebaacb
humanhash: mockingbird-hot-wisconsin-robin
File name:TF_ 0609162023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:267'980 bytes
First seen:2023-01-16 12:15:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6WTPShmXUVZXRSkNaG709c7VTPqTdeU2:/YATDiDSk30y7ideU2
TLSH T1C5442395A361C663F1D3DA729D3A0372E5E89816A4B0F30F03E0AD58FD62690C61F7E1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TF_ 0609162023.exe
Verdict:
Malicious activity
Analysis date:
2023-01-16 12:18:04 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/307ba6c1-4d7e-4e91-bb7a-13b41dfde1ce

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/353401/
Detection(s):
SecuriteInfo.com.Win32.InjectorX-gen.21152.24038.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60672/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c54003bda854045c18b7e0/reports/89d53f40-b1c3-4d7f-8375-bdd16f154215/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32cc208e-f89d-4009-804c-24e53c1d1211
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152348
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785080 Sample: TF_ 0609162023.exe Startdate: 16/01/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 11 TF_ 0609162023.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\udifolg.exe, PE32 11->31 dropped 14 udifolg.exe 11->14         started        process5 signatures6 65 Detected unpacking (changes PE section rights) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Tries to detect virtualization through RDTSC time measurements 14->69 71 Contains functionality to detect sleep reduction / modifications 14->71 17 udifolg.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 3 6 17->20 injected process9 dnsIp10 33 td-ccm-168-233.wixdns.net 34.117.168.233, 49718, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 20->33 35 www.heritagedata.africa 20->35 37 2 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Uses netstat to query active network connections and open ports 20->57 24 NETSTAT.EXE 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-01-16 12:16:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kpxvz4bwddhwcjfthq7ph65zpkmtxfqswl77mzn3pxrp5rox36wa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:vy03 rat spyware stealer trojan
Link:
https://tria.ge/reports/230116-pff3caeg69/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
64698f8ef446c62213582f64da3b6f24d1c8b2d67ddec714ef82f94c942a1593
MD5 hash:
5bd3539e981068d61a718e08376fe4cc
SHA1 hash:
663b9f969a47bc6a2fc339682b3c56e47b9c5743
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c3e11524-4ddf-449b-b3f0-1c8c223971a3/
Parent samples :
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
5a204962f5d2fbcbc71778292c81dc1ed472f6cff3d4fb4712d39da538ff0414
53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac
d57ad8a21aa598c3aea680ee4abdebc2ee552c290a1f5d498f3516b084a95d38
596582af66790eee7160b485c4fa5d060b3c820af83343fe4c12fa360043a09f
SH256 hash:
d25e64b6ee02c4d14af2c7a8cb00da85809c8f6d31d77d6c8f0da04e09ae2c18
MD5 hash:
7908ea2ac60aa2fa2559d20acaa695e4
SHA1 hash:
eb1af689e836fd573d69f5f352a5e03e9b7f931d
Link:
https://www.unpac.me/results/c3e11524-4ddf-449b-b3f0-1c8c223971a3/
SH256 hash:
53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac
MD5 hash:
49b70397af4dc198552278ae87ebaacb
SHA1 hash:
b08d931594f373da2dbc8909098069248023bd90
Link:
https://www.unpac.me/results/c3e11524-4ddf-449b-b3f0-1c8c223971a3/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/53ef5cf03618/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/53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/353401/

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