MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235. 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 2 File information Comments
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SHA256 hash: f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235
SHA3-384 hash: 5f41cf43922accc4c0ce867f4b21d1ee6006f04f843a188e247255832b738949f8eb27dc93966fba3f05eea8cd69802c
SHA1 hash: 16b7c75781b0010a7ce0bfe54016de7f14ce256b
MD5 hash: dd5e073ffac4a782f687e2d5c5f498eb
humanhash: undress-harry-louisiana-kilo
File name:Zahlungskopie für Buchungen meiner Frau.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'161'728 bytes
First seen:2022-09-30 14:38:23 UTC
Last seen:2022-09-30 14:47:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9qvRGfw2iNUa5Qi6784XBFElg0OQ6OpfOV3cf564aN14yc/4RLZnNT+AH:9qYo1QiR4XoGIFJf56p/4F4RLZNT+
TLSH T13D35DF1E57A54747E0182BB8C5E8EEB943604C3CB492C3D6BBC67D1FF8D6BA1453221A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 6dd2d312dbc8cc49 (94 x Formbook, 5 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315208/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
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Win.Dropper.LokiBot-9971787-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6336ff880d3d21420cc98108/reports/b0347739-2ce0-48dd-b232-d737b7bb453f/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/e69c5987-1add-419b-a736-4a89f6d66688
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080964
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713519 Sample: Zahlungskopie f#U00fcr Buch... Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 9 other signatures 2->39 10 Zahlungskopie f#U00fcr Buchungen meiner Frau.exe 3 2->10         started        process3 file4 29 Zahlungskopie f#U0...meiner Frau.exe.log, ASCII 10->29 dropped 13 Zahlungskopie f#U00fcr Buchungen meiner Frau.exe 10->13         started        16 Zahlungskopie f#U00fcr Buchungen meiner Frau.exe 10->16         started        process5 signatures6 47 Modifies the context of a thread in another process (thread injection) 13->47 49 Maps a DLL or memory area into another process 13->49 51 Sample uses process hollowing technique 13->51 53 Queues an APC in another process (thread injection) 13->53 18 explorer.exe 13->18 injected process7 dnsIp8 31 www.ownempire.net 45.38.56.78, 49700, 80 EGIHOSTINGUS United States 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 msiexec.exe 18->22         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 22->43 45 Maps a DLL or memory area into another process 22->45 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235/
Threat name:
Win32.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 13:01:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 26 (88.46%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zp4sjnerjo5atxzezp6lphxhjpjam2sivh6eoupaszdasqfai2q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:rsea rat spyware stealer trojan
Link:
https://tria.ge/reports/220930-rz96msdha5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b8a0832e-4521-442c-a516-daf2ce59559a
Unpacked files
SH256 hash:
1c1197a3e6b4fc172fb702defd122092e721ba3c271a48c89466121f4771fd9f
MD5 hash:
610f04d8febfa747d32b84a3ac777e81
SHA1 hash:
799bafeb8333ce64674864a89f969c3977152e26
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
Parent samples :
25d92375393afe6b1c651fc1dc839887086a9329f0debf6b93411afb9e23e129
50398d4e32037d5b75501a7b6046e13bc46438cfb520ee5bef494a0f29cbb2a8
9b5e9f6e2896450b1073f9b64ca1b851d045657a4d2e21c8c7cb90377bd92d94
4ed2e62c7ba6acded6001155a43722102f950a3b2b5bb33a4f0a3597a2d6a8ff
edb793d2433f2bcb4651c6576a8f47ff87d258dfaf5a5bf4194701e61f3a6910
36674027d875510c1e5b987c838e8d7b17d4ec489ef27dbf3b514ade9c499203
270500c5521140994311eb56049807f33541472e66e3aefc8101fc2767c4fea6
22ddbee8b6beef1e5e438920b314ee4189ae3c2e71c05af0c21551dbef095bf0
fd38e6b00c0dbfbab306161657e9dc568b12eb242e7e324bb4e75209ef33ce0b
f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235
85ad89d8d4f234a0ebde2dc31384489fc0b2e06bab9f3ac779dd5636bdfd6bbe
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
SH256 hash:
f2e8214a5ad87cd2cc642c98f86504d700ee7d291bd473a787ff250fc9729831
MD5 hash:
8cc8ab79308ace31824b3cea5ca62d30
SHA1 hash:
3b507a097eda069321517632fac074fe93684644
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
SH256 hash:
3c08bae572637bafa7528fa0a8d8890d00f9b25bc3b660a6cd7f1016c4e5288e
MD5 hash:
ad0ffffce6a0ba5d41bdec8a201cf6c6
SHA1 hash:
390ee384b1dfa7f6a811487fbe1c516b81b306cd
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
SH256 hash:
f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235
MD5 hash:
dd5e073ffac4a782f687e2d5c5f498eb
SHA1 hash:
16b7c75781b0010a7ce0bfe54016de7f14ce256b
Link:
https://www.unpac.me/results/1e2fc2e4-82c3-48d9-a734-c27ec9afea3c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f65fc925a48a/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/f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

rar 0844afb76322a84d5686a85625f70c99ed54b12c7f35ac0e426baec4376fc989

Formbook

Executable exe f65fc925a48a5dd04ef9265fe5bcf73a5e903352454fe23a8f04b2304a050235

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 0844afb76322a84d5686a85625f70c99ed54b12c7f35ac0e426baec4376fc989
Cape
Cape
https://www.capesandbox.com/analysis/315208/
  
Dropped by
MD5 e3194be343f1ffb75ccdbd279d8a3ae2

Comments