MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea
SHA3-384 hash: 6247b3c870da6889bbbb2584cdbbd9d24f4ad7281f43800179e3cbc204859a558a52d92f497ff279efd79c1ab4fa4c28
SHA1 hash: e7e1b54b820339850ed90c7c3ecadca161d8f196
MD5 hash: 3471ad57e114b8bc43b40bece4559625
humanhash: cardinal-triple-florida-orange
File name:Halkbank_Ekstre_20211104_082357_541079.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'081'856 bytes
First seen:2021-11-04 16:15:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a909072c8ac1c865a094bf6cee9a4d60 (6 x RemcosRAT, 5 x Formbook)
ssdeep 12288:JmF8ukZ1BjH652L9a3ZV6ImC/KGaIEfrcSjzMYIO3pxhOtFuhe3CL+NdJydmf:JywJjf9QVOg6zZ3nheu8swJ
TLSH T15C35AF61B1A2A877C17315BCD95BD6765C2ABFF13924BE022EE4680F0FB99423C35D81
File icon (PE):PE icon
dhash icon 697110152b2b1530 (9 x RemcosRAT, 6 x Formbook)
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20211104_082357_541079.exe
Verdict:
Malicious activity
Analysis date:
2021-11-04 17:08:00 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1de3447b-d05f-447c-b7ba-f77f9f7d6ff5

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/202404/
Detection(s):
SecuriteInfo.com.Artemis41EC449D4CEA.23656.22528.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/61840747c03a81a502401186/reports/01eefcd3-ab17-4a95-ba2d-eab81617adf5/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:
Malicious
Link:
https://analyze.intezer.com/analyses/74521fad-19db-4fd9-a6f6-85ddf2dcb6a5
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/883367
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 515806 Sample: Halkbank_Ekstre_20211104_08... Startdate: 04/11/2021 Architecture: WINDOWS Score: 100 45 vn6dsw.dm.files.1drv.com 2->45 47 onedrive.live.com 2->47 49 dm-files.fe.1drv.com 2->49 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 4 other signatures 2->67 9 Halkbank_Ekstre_20211104_082357_541079.exe 1 22 2->9         started        signatures3 process4 dnsIp5 51 vn6dsw.dm.files.1drv.com 9->51 53 onedrive.live.com 9->53 55 dm-files.fe.1drv.com 9->55 43 C:\Users\Public\Libraries\...\Uhqjowud.exe, PE32 9->43 dropped 71 Writes to foreign memory regions 9->71 73 Allocates memory in foreign processes 9->73 75 Creates a thread in another existing process (thread injection) 9->75 77 Injects a PE file into a foreign processes 9->77 14 logagent.exe 9->14         started        17 cmd.exe 1 9->17         started        19 cmd.exe 1 9->19         started        file6 signatures7 process8 signatures9 79 Maps a DLL or memory area into another process 14->79 81 Tries to detect virtualization through RDTSC time measurements 14->81 21 explorer.exe 2 14->21 injected 83 Uses cmd line tools excessively to alter registry or file data 17->83 23 cmd.exe 1 17->23         started        26 conhost.exe 17->26         started        28 reg.exe 1 19->28         started        30 conhost.exe 19->30         started        process10 signatures11 32 Uhqjowud.exe 21->32         started        35 Uhqjowud.exe 21->35         started        69 Uses cmd line tools excessively to alter registry or file data 23->69 37 conhost.exe 23->37         started        39 reg.exe 1 23->39         started        41 conhost.exe 28->41         started        process12 signatures13 57 Machine Learning detection for dropped file 32->57 59 Contains functionality to detect sleep reduction / modifications 32->59
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea/
Threat name:
Win32.Trojan.Phonzy
Create hunting rule
Status:
Malicious
First seen:
2021-11-04 11:34:06 UTC
AV detection:
8 of 44 (18.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utcx3fsd6kmyfgqshhkrikq2ugpyttdv3z2fah3fn4b56akqzdva._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e6b3 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/211104-tqslcahab8/
Behaviour
Modifies Internet Explorer settings
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xn--7tq168cfwa.xn--6qq986b3xl/e6b3/
Unpacked files
SH256 hash:
b54acef9838cff6393d79dda537a22d53898471f564b788cb435f9eb9c14260a
MD5 hash:
30ce6fdc8056eb47d2d9d08479cd1468
SHA1 hash:
1eb253077018219fead30b06acf756605d92dfeb
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/2de6a52a-29cc-4ea7-8425-d168b70283bf/
Parent samples :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 hash:
a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea
MD5 hash:
3471ad57e114b8bc43b40bece4559625
SHA1 hash:
e7e1b54b820339850ed90c7c3ecadca161d8f196
Link:
https://www.unpac.me/results/2de6a52a-29cc-4ea7-8425-d168b70283bf/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a4c57d9643f2/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/a4c57d9643f299829a1239d5142a1aa19f89cc75de74501f656f03df0150c8ea

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/202404/

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