MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
SHA3-384 hash: 1ceabdd2e9e92c7b3300a9cd0e35d47ba3a7faf60fce23deb7058d72d339172d349fe676789f2fb45c62547b5a40612d
SHA1 hash: d1e67e3e5bc7dc5b64bb12b27ae9a1c6931cc3a0
MD5 hash: f4d0c348ddb22b023bb20bfb273b2880
humanhash: lake-island-juliet-video
File name:f4d0c348ddb22b023bb20bfb273b2880
Download: download sample
Signature Formbook
Create hunting rule
File size:330'002 bytes
First seen:2023-02-02 08:02:27 UTC
Last seen:2023-02-02 09:52:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:2Ya6yXMMeOqKjtedI7qzQqRyPXCV1VtSH7E3pfEk334O5sKZ3SlYM+/EMgl6MpaV:2YkreOqKjR7qUDP4QA3KkzsKZK+/EMg8
TLSH T1216412413780D45FC6E26B361E7D929E4EF66D3269A12B8F17F06E5F3563203C81A329
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 78f9b898b8c2c940 (16 x Formbook, 15 x AgentTesla, 2 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
CUSTOMER023- PURCHASE ORDER.doc
Verdict:
Malicious activity
Analysis date:
2023-02-01 15:02:35 UTC
Tags:
trojan exploit cve-2017-11882 loader formbook xloader stealer
Link:
https://app.any.run/tasks/98776413-66a9-45b9-a642-4f6a20c598f8

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/359407/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.10.30322.14155.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
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/64733/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63db6e3789bd67c10fdc2a8c/reports/78ae9a74-ba3b-4160-9829-7643bed621dc/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:
Unknown
Link:
https://analyze.intezer.com/analyses/35e8fa85-fe7f-4636-bed8-19a0cc6110f7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1164036
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 domain / URL
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 796807 Sample: Og6sJMW325.exe Startdate: 02/02/2023 Architecture: WINDOWS Score: 100 34 www.dietoll-official.site 2->34 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 4 other signatures 2->56 12 Og6sJMW325.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\uhwobokug.exe, PE32 12->32 dropped 15 uhwobokug.exe 12->15         started        process6 signatures7 66 Detected unpacking (changes PE section rights) 15->66 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 uhwobokug.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 1 18->21 injected process10 dnsIp11 36 www.cantonbourbonroom.com 162.214.129.144, 49706, 80 UNIFIEDLAYER-AS-1US United States 21->36 38 hatmam.com 162.241.24.59, 49703, 80 UNIFIEDLAYER-AS-1US United States 21->38 40 2 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 25 mstsc.exe 21->25         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 14:03:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcmpel5mpjqj4gdakdlyp5ql4lmee6wy2jh2m32eydo4yf6lolkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nes8 rat spyware stealer trojan
Link:
https://tria.ge/reports/230202-jxn7dsfe63/
Behaviour
Gathers network information
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:
efe596c5110ab6eb3462f9e6a4b2f20ae0862a13131fbeca3af10583e253d4c2
MD5 hash:
6a4318bea5a6cbc9faa65f588c79f87b
SHA1 hash:
3e0d54b41f3c5fcc8e0b2f95d4608857247aaa66
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/21330649-3046-4690-ba8c-29009f62b91f/
Parent samples :
e107d1577a610b65847d6474085b90abd5d3299719d8e3544c36c127a5c7e8ea
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
a3a3e10ea96961c3e5cc533be186a83f18fea89a5beb3074b04f4ee402c5f85f
3ba9fcb37e910177dc4bc5efc157993430c545ceac7747c28a0ae0dee3e30d93
48d4d0c2d682bbc507a63901694ca44bf3a6371895cc14f485eb9c110c8e4fb8
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
195c2339e793e897abd2ceb7fc3d675f7af1fb4b60fdf1a8d736fb4c3e35372f
174ae377574d8702e3a1122550b06c553a492ec6c9a92f1eb71971593fe7ab0d
9bf9df50e3c13a87226b9f9099b510947a3f8f0903b84bcfc39a625ba3342a4a
1a82b5f2c6d3897569544939dfae30457d05924c8811f009d0cd1540319ea90c
d2e78fc6d48b4936070f2c8dccfd55a3619e8116964887f723963405e78f2320
SH256 hash:
a1255a580562b9ad80015641a5da339dbe73226e7ea67e4e4fc35ae54139b7c7
MD5 hash:
5e7422e38e983ecfb395617e78238ba9
SHA1 hash:
5e5db165d92cc2511581791f0bd091027f10cdb3
Link:
https://www.unpac.me/results/21330649-3046-4690-ba8c-29009f62b91f/
SH256 hash:
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
MD5 hash:
f4d0c348ddb22b023bb20bfb273b2880
SHA1 hash:
d1e67e3e5bc7dc5b64bb12b27ae9a1c6931cc3a0
Link:
https://www.unpac.me/results/21330649-3046-4690-ba8c-29009f62b91f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1898f22fac7a/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/1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5

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.

Web download

Formbook

Executable exe 1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2526618/
Cape
Cape
https://www.capesandbox.com/analysis/359407/

Comments


Avatar
zbet commented on 2023-02-02 08:02:33 UTC

url : hxxp://ask6.awt.com.pk/wordpress//wp-content/mad.exe