MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4. 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: 14


Intelligence 14 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4
SHA3-384 hash: 1fd98d60a0ec96b953e57de23a42b4323b0b9e4486c84cdda404cc9b6c60775f8b4115ab52d40d13d894ca1012312d82
SHA1 hash: 19e69a37c42626a8ed3d851416170e08345091bb
MD5 hash: 55eda5ed616f6a4560d86f597026a92b
humanhash: mirror-florida-foxtrot-massachusetts
File name:Yapı ve Kredi Bankası Hesap İşlem Dekontu.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:261'319 bytes
First seen:2022-10-18 10:33:20 UTC
Last seen:2022-10-19 11:53:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbkxEd0UK61i+910gPv+89t5rHBUs:mb/ke9K8H10gPv+8hrSs
TLSH T1BF441211AB104C7BE4B7C67719B126BF0FE1D269A1685F0603DDBB5C3DB3294A11E3A2
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321321/
Detection(s):
SecuriteInfo.com.Variant.Tedy.223185.8461.30680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Searching for the window
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Launching the process to change network settings
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
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/43618/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634e811afdf6478a15af76bc/reports/1c060346-7922-45cb-ab0f-cfeb61e37b52/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/88bfb833-f151-4d8f-a052-4fc09700d56e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1092640
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725261 Sample: Yap#U0131 ve Kredi Bankas#U... Startdate: 18/10/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 11 Yap#U0131 ve Kredi Bankas#U0131 Hesap #U0130#U015flem Dekontu.exe 18 2->11         started        process3 file4 34 C:\Users\user\AppData\Local\...\aetksqh.exe, PE32 11->34 dropped 14 aetksqh.exe 1 11->14         started        process5 file6 36 C:\Users\user\AppData\Local\Temp\82FE.tmp, PE32 14->36 dropped 66 Multi AV Scanner detection for dropped file 14->66 68 Machine Learning detection for dropped file 14->68 70 Found hidden mapped module (file has been removed from disk) 14->70 72 Tries to detect virtualization through RDTSC time measurements 14->72 18 aetksqh.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        signatures7 process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 23 explorer.exe 18->23 injected process10 dnsIp11 38 www.tianzicheng.com 3.19.100.43, 49700, 80 AMAZON-02US United States 23->38 40 www.rallingslaw.com 99.83.154.118, 49701, 80 AMAZON-02US United States 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 27 cmd.exe 23->27         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-10-18 10:34:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7bohqslwcnvbmsddydcq7hzn3f6hhc2d56v5ehzth3mm63mo3osa._file
Verdict:
malicious
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oy10 rat spyware stealer trojan
Link:
https://tria.ge/reports/221018-ml33ysfffn/
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/46298174-d721-497e-831e-b168af8ed6a5
Unpacked files
SH256 hash:
698621c5bd32e84675eedcc2466ddc04cb62ecac17bdb186152ee11e1adc71ab
MD5 hash:
ad15bb401a09b2c9b1eea799f7bf5d3b
SHA1 hash:
409e7d67e90d2c1913dcb9317f784e907c86c6f4
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/664b005b-3f01-4000-af1a-74d8eef6514d/
Parent samples :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 hash:
2452b6c3f5c66da13ba126a30bd366e1fe3b169bc142a4b2db58feec20f970dc
MD5 hash:
940d4e50f110ed1ccf72afb7c6abe3fd
SHA1 hash:
39dc7b9cb608a744ae5256ce4601c3a40aaf10fa
Link:
https://www.unpac.me/results/664b005b-3f01-4000-af1a-74d8eef6514d/
SH256 hash:
f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4
MD5 hash:
55eda5ed616f6a4560d86f597026a92b
SHA1 hash:
19e69a37c42626a8ed3d851416170e08345091bb
Link:
https://www.unpac.me/results/664b005b-3f01-4000-af1a-74d8eef6514d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f85c78497613/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/f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4

File information

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

Malspam

Formbook

Executable exe f85c784976136a164863c0c50f9f2dd97c738b43efabd21f333ed8cf6d8edba4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/321321/

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