MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
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SHA256 hash: b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
SHA3-384 hash: 893957e52a061dafca8b759330787ac99cd2adef42df65fdded4b7b44323bda64a123fc6316290bafccb507f733b81b1
SHA1 hash: 0db321f2a1f18d53b8166834b633c491a0395385
MD5 hash: 54f2668a5f658c323aad9c9f27b23dba
humanhash: nitrogen-saturn-don-uniform
File name:E-dekont.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:243'751 bytes
First seen:2023-08-15 12:42:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6dc7gBpA0ku219nhQMv4KVkZna0qddB:/Y/CcO0r2n+MvD4na02D
Threatray 3'799 similar samples on MalwareBazaar
TLSH T15C34128877B0C17FC0F386B09E7CA6263F6DFA5520F4934B13141F79B82265A910CB9A
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:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
E-dekont.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 13:01:31 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/f17b860e-3dc6-45e3-872a-c1d0cbdb2055

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/442815/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.18563.27182.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
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/102882/overview
Behaviour
MalwareBazaar
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
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/4be092cd-cb26-4ed8-8ab0-a64f7ee28b33
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1291429
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1291429 Sample: E-dekont.pdf.exe Startdate: 15/08/2023 Architecture: WINDOWS Score: 100 31 www.bodhiheals.com 2->31 33 bodhiheals.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 E-dekont.pdf.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\wgtlf.dll, PE32 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 E-dekont.pdf.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 35 parsefilm.com 185.252.29.160, 49760, 80 MHOSTIR Iran (ISLAMIC Republic Of) 18->35 37 www.cellphonespoland.today 104.21.33.143, 49766, 80 CLOUDFLARENETUS United States 18->37 39 12 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 help.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-15 12:43:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzr5mslh5iwhm5azxncrrg3awd7qrc4ambmyu64rjpjijki4jsja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0802394968eda97506836e12c3deb32af74ad1ffcc86b22e4d654d10b865241c
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
Formbook
539d920211675f7cc535698b9223aae7d732e46d747bae86c00234e8b6dcb3ff
Formbook
7bf47a92fadd875caa70db94a8ef153f7e63296357619e23a27b2d4e0a6a2bde
Formbook
a9c993b79501ed32742c5ccfd04e3c47d75fd26795fd87bb3dfc288384de7be3
Formbook
b56c865c1aff92c4024b9f6172d349bf2355025a1d8baa74f8d33e930e86c2cf
Formbook
e107d1577a610b65847d6474085b90abd5d3299719d8e3544c36c127a5c7e8ea
Formbook
f3a16fbf76dc776eb61b55b5a5aa8d3203e77effc2e05d85f93df96612323095
Formbook
+ 3'789 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mh21 rat spyware stealer trojan
Link:
https://tria.ge/reports/230815-pxxrescf6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
6d6811d829d95221e67673ac9f391e458f9a753110b0ce2bebeb225ac33d00f2
MD5 hash:
17550bb34503e44739b98ae9fc450e1f
SHA1 hash:
a8961b993025b47e455e846f76aafb2a7824b7a7
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3d44cc7d-4512-4e13-b069-17c0803f175c/
Parent samples :
b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
d1e98d098f45c722026716f6b574a056d535813805d00a8cc2f1943efc271fa9
837fc8d2a3e348e96ea2db94abbe3319b380496b7329cde30519b26f51c1de88
7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac
a3071d3d586d802ca6e86e641ae978872ab99fe208dc287a12d80fa2562b91a8
SH256 hash:
a3e946c99b6e0fc0c3d69381944c7dc74a3ad520cf72ce25d90aaafdcb7ba220
MD5 hash:
90dcec438a99948bec125770d4465f2a
SHA1 hash:
258e2b3d3bee3f3cd99763401201405358a9e2c6
Link:
https://www.unpac.me/results/3d44cc7d-4512-4e13-b069-17c0803f175c/
SH256 hash:
b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
MD5 hash:
54f2668a5f658c323aad9c9f27b23dba
SHA1 hash:
0db321f2a1f18d53b8166834b633c491a0395385
Link:
https://www.unpac.me/results/3d44cc7d-4512-4e13-b069-17c0803f175c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b663d64967ea/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/442815/

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