MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd41933f53e4d9c08e9c7c17f22206bf6599dc9f912be87e2c09bb05a10013a5. 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
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SHA256 hash: fd41933f53e4d9c08e9c7c17f22206bf6599dc9f912be87e2c09bb05a10013a5
SHA3-384 hash: 790f79e129a18de31a50167983fadedbab0067ab0c4a8a90693dcf5c9d05a56e4eecf78325dd6f017be454ecc7fbd878
SHA1 hash: 5972138eee97521cfce9780b0ab65efb4bac443a
MD5 hash: 8861ff0f6fbe4e92a4bd8015de19fbfb
humanhash: sad-bacon-moon-mirror
File name:Ziraat bankasi Swift Mesaj.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:298'031 bytes
First seen:2022-05-25 11:18:46 UTC
Last seen:2022-05-31 07:29:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 55f3dfd13c0557d3e32bcbc604441dd3 (124 x Formbook, 18 x Loki, 13 x AgentTesla)
ssdeep 6144:B0YQWtPr90zVDJslpZQRALYmgySNwaIJYPE+1eoC84AKi62q7:AaP44aAMySNoPYP5KD2q7
TLSH T19B5413A534D294FFFAC318F1A56AC32694D6E6141122800F2F4D0E7869E59F34A3F7B6
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ziraat bankasi Swift Mesaj.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 11:21:50 UTC
Tags:
installer formbook trojan stealer
Link:
https://app.any.run/tasks/54fa71b8-e96d-49c3-b4d4-5fa50a7a5fd7

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/274482/
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
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a browser process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/628e10ad3223462f89e119cd/reports/21ff34f9-e65f-427a-a585-327481674018/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/9a621c17-3872-4566-962c-70d731e2ee6d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001510
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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: 634006 Sample: Ziraat bankasi Swift Mesaj.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 34 www.yetkiliveznem7.xyz 2->34 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 5 other signatures 2->54 12 Ziraat bankasi Swift Mesaj.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\jijigpgu.exe, PE32 12->32 dropped 15 jijigpgu.exe 12->15         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 15->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 70 Injects a PE file into a foreign processes 15->70 18 jijigpgu.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.wemakegreenhomes.com 206.2.218.10, 49801, 80 COGENT-174US United States 21->36 38 www.rekoladev.com 194.143.146.64, 49792, 80 BIGNET-ASUA Ukraine 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 control.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd41933f53e4d9c08e9c7c17f22206bf6599dc9f912be87e2c09bb05a10013a5/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 10:17:35 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7vazgp2t4tm4bdu4pql7eiqgx5sztxe7sev6q7rmbg5qliiacosq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mh76 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220525-net25sdhgn/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6fea7d67abe9af8d2766129b9bea6d4c3a547bdd44a3e7b1e12692962f1c0238
MD5 hash:
be60d68c3662a19f664ad38803df1fea
SHA1 hash:
bed753ce9d7cae5e4e0baa4397f91ffaaeb6268f
Link:
https://www.unpac.me/results/d233fdb5-5031-4bcb-bcc0-d42580def089/
SH256 hash:
fd41933f53e4d9c08e9c7c17f22206bf6599dc9f912be87e2c09bb05a10013a5
MD5 hash:
8861ff0f6fbe4e92a4bd8015de19fbfb
SHA1 hash:
5972138eee97521cfce9780b0ab65efb4bac443a
Link:
https://www.unpac.me/results/d233fdb5-5031-4bcb-bcc0-d42580def089/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/fd41933f53e4d9c08e9c7c17f22206bf6599dc9f912be87e2c09bb05a10013a5

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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.

Cape
Cape
https://www.capesandbox.com/analysis/274482/

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