MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88
SHA3-384 hash: 51ba3e303a84ae94a6eb4d11a0f4336b6727e2bd69e0671d469fb591fad4cdc08439afbbbfe20e997dd36f9d9b5e83f8
SHA1 hash: 0f248be8143358714b8775174fd91309ce21c96d
MD5 hash: 10fa9d1cf17c0182373f342fbed0bd8d
humanhash: purple-butter-network-mississippi
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:527'872 bytes
First seen:2022-07-06 15:57:34 UTC
Last seen:2022-07-11 10:48:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:zPo9HdMJC7rbRCBrTSeNFY9vH+4APO09QT6IsA:zmHD7RUrTSeNWJnAPIO
TLSH T1B4B42306C9AFB17DD713A631EF3014D9B1D1373429348AE90C58A630DBE53F2C6A79A6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR ZiraatBank

Intelligence

File Origin
# of uploads :
3
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/285207/
Detection(s):
SecuriteInfo.com.Variant.Strictor.273524.23830.13127.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c5b10f76fa5a5994480c4a/reports/0036fcfd-bd01-44ca-a0f1-07d71418238a/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/cae0ac89-7ceb-4ec5-ae39-c615291d52e2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1025756
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-06 10:19:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cme4u7t3qhntx2rrpqjz7xpzcjgepq74jnarhncp4vvpc3odtkea._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:kn30 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220706-teg1gagfg5/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
004a06f9193d0015dad8707e4039449cb7a1f4655a90a3be80a10b91c9630464
MD5 hash:
32966877e41b3009f89e5975a62f59ac
SHA1 hash:
52aa86d929b89f8d4e8dfe4580b4cedc2939db77
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/de6f4250-56ec-4d47-9ea3-efdb25d49e7b/
Parent samples :
1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88
b1fa69e98d91d174851b755a68c214073833e5ac20fdd64f45a61ff0c4a47ad8
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/de6f4250-56ec-4d47-9ea3-efdb25d49e7b/
SH256 hash:
e4a25b6ebddd84aeed38519cf01a7e42f6b3ecd9650b8dd78ae2876746979fbd
MD5 hash:
58a2980eca65bea4504172ab86e1b475
SHA1 hash:
8e5e1f0a31b72979877e1715a063962e13db89d7
Link:
https://www.unpac.me/results/de6f4250-56ec-4d47-9ea3-efdb25d49e7b/
SH256 hash:
1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88
MD5 hash:
10fa9d1cf17c0182373f342fbed0bd8d
SHA1 hash:
0f248be8143358714b8775174fd91309ce21c96d
Link:
https://www.unpac.me/results/de6f4250-56ec-4d47-9ea3-efdb25d49e7b/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1309ca7e7b81/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1309ca7e7b81db3bea317c139fddf9124c47c3fc4b4113b44fe56af16dc39a88

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/285207/

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