MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551
SHA3-384 hash: 847c2a1550835dc203ea12002b7debb2a1cb15f7d7b0dbc7b1ccc112cbd8baabb07cd4dfae4f7bc8cac873fdf5eed51b
SHA1 hash: 08967d9fc47f5e8e1f537c63254e387edd9dcb07
MD5 hash: 93d3a99c24c4574242bff0fe2077619d
humanhash: edward-johnny-alabama-august
File name:yeni sipariş pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:977'408 bytes
First seen:2021-03-11 07:03:40 UTC
Last seen:2021-03-11 08:47:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:CLjYkAd0WajYkAEjYkAdX0f+uVMGpV35mTSEFtaQXYwn88dc+ZSsxgjYkAEjYkAu:Wi0jn+uSGp95d0IcYwnDK1nl
Threatray 4'149 similar samples on MalwareBazaar
TLSH 1D25CF2352449B50E0382FB8642025A047F7BF8AFB2DF90EBC76355EA6729C3C775616
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yeni sipariş pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-11 07:04:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/47912f2a-e887-45e4-ae86-9a3f8783508a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/123704/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.569.12910.28320.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/636479
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 367215 Sample: yeni sipari#U015f pdf.exe Startdate: 11/03/2021 Architecture: WINDOWS Score: 100 43 www.naomicoleclinic.com 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 12 other signatures 2->57 11 yeni sipari#U015f pdf.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\vYwngpoxyVBPxX.exe, PE32 11->35 dropped 37 C:\...\vYwngpoxyVBPxX.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpEA35.tmp, XML 11->39 dropped 41 C:\Users\...\yeni sipari#U015f pdf.exe.log, ASCII 11->41 dropped 67 Writes to foreign memory regions 11->67 69 Allocates memory in foreign processes 11->69 71 Injects a PE file into a foreign processes 11->71 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 2 other signatures 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.aiocoin.net 104.21.85.124, 49727, 80 CLOUDFLARENETUS United States 20->45 47 www.xx233.xyz 20->47 49 www.creid-network.com 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 rundll32.exe 20->26         started        29 autofmt.exe 20->29         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 31 cmd.exe 1 26->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 08:52:24 UTC
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2vjqhjcqfytehbldawcfvahegi33el5frozccfttq7dspmtpsviq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
db351de507bfb075469e69ffe4859653ca3b3d0729c0236a5d3f8fd935e01cde
Formbook
+ 4'139 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210311-xvwxh1mlcx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lovetarot.online/sqxs/
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/6383d857-011e-4473-aa82-33fb797ae485/
SH256 hash:
d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551
MD5 hash:
93d3a99c24c4574242bff0fe2077619d
SHA1 hash:
08967d9fc47f5e8e1f537c63254e387edd9dcb07
Link:
https://www.unpac.me/results/6383d857-011e-4473-aa82-33fb797ae485/
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/d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip eaf911a214da2be146367e4d52a50c6159c805ebb8b3c53264841832c75a7403

Formbook

Executable exe d55303a4502e2643856305845a80e43237b22fa58bb221167387c727b26f9551

(this sample)

  
Dropped by
MD5 c48f44eafd58be1b1351cbf4a26373a5
  
Dropped by
SHA256 eaf911a214da2be146367e4d52a50c6159c805ebb8b3c53264841832c75a7403
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/123704/

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