MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb. 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
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SHA256 hash: c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb
SHA3-384 hash: ef16a6360befe4fd5325da5277e4e59cfc37bcd3b7f7dfa544812815b9de2cf1d11970debe834aa50ade36d0439dbc87
SHA1 hash: 50f0b83d0deb5b40e8b306e4122ae3c1173eda1e
MD5 hash: 9ad124bf22839603024a373ba636532b
humanhash: yellow-iowa-kilo-eleven
File name:Halkbank_Ekstre_20191102_073809_405251-PDF.com
Download: download sample
Signature Formbook
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File size:299'068 bytes
First seen:2023-02-23 09:06:53 UTC
Last seen:2023-02-23 10:27:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:PYa6+qrPPkjGY0tiVyVtCqNJNMxUD7W4POTptedBjmI7bLbp5Z:PYAqrXsGYQtCqNrRPPuedhj7bLbZ
Threatray 1'963 similar samples on MalwareBazaar
TLSH T1515413C93790D3B7C0BB02F13A2A6626FFF9553509A4461F570177ADF5B1A42EA0E322
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 abuse_ch
Tags:com exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Halkbank_Ekstre_20191102_073809_405251-PDF.com
Verdict:
Malicious activity
Analysis date:
2023-02-23 09:18:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/17e90c40-9700-435a-9db8-e00916903b63

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/369230/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.3942.21485.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63f72cbd5741abdfaa9f18b5/reports/d27812b6-de75-4be4-8dc9-e10b5bc879bf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69ee098e-783e-47b3-a6eb-9cae50d14d68
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1181167
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 814000 Sample: Halkbank_Ekstre_20191102_07... Startdate: 23/02/2023 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 3 other signatures 2->48 9 Halkbank_Ekstre_20191102_073809_405251-PDF.com.exe 19 2->9         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\dlcmto.exe, PE32 9->30 dropped 12 dlcmto.exe 1 9->12         started        process5 signatures6 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->64 66 Maps a DLL or memory area into another process 12->66 15 dlcmto.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 2 6 15->20 injected process9 dnsIp10 32 cutgang.net 194.102.227.30, 80 VODAFONE_ROCharlesdeGaullenr15RO Romania 20->32 34 www.wenzid4.top 107.148.8.96, 49699, 80 PEGTECHINCUS United States 20->34 36 www.cutgang.net 20->36 50 System process connects to network (likely due to code injection or exploit) 20->50 24 explorer.exe 13 20->24         started        28 autoconv.exe 20->28         started        signatures11 process12 dnsIp13 38 www.cutgang.net 24->38 40 cutgang.net 24->40 52 System process connects to network (likely due to code injection or exploit) 24->52 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 58 2 other signatures 24->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb/
Threat name:
Win32.Trojan.InjectorX
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Status:
Malicious
First seen:
2023-02-23 06:47:26 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yreajhbvtsnnuvo33353o4qcbkrzmkae2sc4z5jk335tuibq4p5q._file
Verdict:
malicious
Similar samples:
05977847b0408ec1abb7b4cd05ad10b4004c97d5c949e579d695d47518f4f376
Formbook
128505a47c9f43ff7ee232ae8e617756b0fc1bef2548dd893245514008dfbe58
Formbook
39156092712f27714fed918a43876cd6b85c9ad6d3ab6b96fe22e49eb2f34346
Formbook
4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae
Formbook
5f2de407396cfb921e5db52d5efb0fbfd44e7257630b079e02f83a1ed61ab4b4
Formbook
88043d723394b97599313522b0a2f599f8678529ba0febfebb6642cc966bde94
Formbook
e14890d40be2216c014475cac45debe0d23a1e6eb333908c814034b1df73b73d
Formbook
f3197cca74f60c552d9d3b4d04d99996ceca8c8dc6ad845a468c10c65062a0fc
Formbook
+ 1'953 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230223-k3bnxsfd32/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
5c791361b2539a25a029e4717678dd9fcb159217f0bd61b187a29c1742c57a20
MD5 hash:
0b4a7df2c86681e98155d12546cc5d64
SHA1 hash:
e469b05683081a1b07c640d99f0619112e6f4c49
Link:
https://www.unpac.me/results/1dca14b4-72d6-4ac9-a2e6-e7ea4e2668e2/
SH256 hash:
c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb
MD5 hash:
9ad124bf22839603024a373ba636532b
SHA1 hash:
50f0b83d0deb5b40e8b306e4122ae3c1173eda1e
Link:
https://www.unpac.me/results/1dca14b4-72d6-4ac9-a2e6-e7ea4e2668e2/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c448049c359c/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/c448049c359c9ada55dbdefbb772020aa3962804d485ccf52adefb3a2030e3fb

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
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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
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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/369230/

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