MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf
SHA3-384 hash: b4f7793625929ff0324f7f79afd163ac821a8affa4b136ba209bade665d063b84e6c8dd017a0465b3836eb65db2c3bf3
SHA1 hash: 64a59b7e3392bc8bf2b46c0a5649e8ab50644eea
MD5 hash: c4769e14348483d2fb454b954b93bfa2
humanhash: victor-oscar-arkansas-carolina
File name:c4769e14348483d2fb454b954b93bfa2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:677'376 bytes
First seen:2023-07-14 12:25:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9Dp8uMxaeROsJ0fnR0XyDPClq1uZmQWhOf8zwgHvxK30aZW4KqahuL:0uKOsGfxelqQmQIOf81Hvx6W4qh
Threatray 3'332 similar samples on MalwareBazaar
TLSH T11BE4CF4173B49E21E8AED2B8242920D8DF79B03E6566E21A5F6B34D11E60F77371F603
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% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8bfb6ca696d156f81e325f131ec1f7da.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-14 07:00:18 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/eadd3c0b-37e4-4f7f-8cc6-92c66d7b8d43

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/418837/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1995.22064.12719.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/64b13edcb1d2dc145c1d4de1/reports/b2112aec-f6e5-4029-9a9a-432c71d22024/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf
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/343dcf11-7bb4-4dfd-9572-38a63abca410
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1273152
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1273152 Sample: cvyyccierz.exe Startdate: 14/07/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 6 other signatures 2->42 10 cvyyccierz.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\cvyyccierz.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 cvyyccierz.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 3 1 14->17 injected process8 dnsIp9 30 www.greengrass.info 3.64.163.50, 49707, 80 AMAZON-02US United States 17->30 32 www.oasisfeed.mom 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-14 07:50:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hbulyowtmtrg5nvgsamyfe3skj22zdi7sec4ygts4idpqkawv3pq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0678008b99744da75d64b17e189a5f8934780a0ddf2384d8c24e4240f796dc34
Formbook
1b28956f786cc8462290c89bbb169b660d377acd7a1867408bcd9362edb42a5b
Formbook
67ff25062bd960e50c4b3fcfc82c3029aa1e3302fa453c0fecb76176494cc496
Formbook
68f739e8cec56189a152729584f046954f13e32426331970eb755538a8008f1c
Formbook
97bd79e26600f552bfb5764aec1606acb63b830b5fefb807d12fe2088854a3cc
Formbook
a993e52917b124010519fcf6adb63124d87c0cc594cea58b1dce686bf85d7cf9
Formbook
b80d975ddd8e28bf201a5dd08cbfa50ef211aa5600f33b4c10e6d72068864f13
Formbook
c013e9e4bb6f07f8da27bedef4ca4e0b99790a4777e00692da5c8e78e47eb70c
Formbook
d088a3c1bbc7b1c97e5ce94d4a2e1f8ed7fcf7cef8e2b21d70ee15bb3f49d509
Formbook
ec07b80aca87a969c2f7c5c5a6ff490cb510c27dc68781e96facfafe9cbfb03a
Formbook
+ 3'322 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ge83 rat spyware stealer trojan
Link:
https://tria.ge/reports/230714-pl7r9adf46/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
39c1213b71830dc3dbe542230f65109a68028a5f80c177918422a94c8efe25d4
MD5 hash:
b075ba1483d921aaf145aa40752897b5
SHA1 hash:
6f38c9ad869f9db7b3c412326b21eb6dde9edd9d
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/bec078f3-abbd-4052-9fe4-44863bd65a13/
Parent samples :
62d79b7612daa665c7f2769bad890f7d42fc26849f0baa1c596e601b0a724057
d088a3c1bbc7b1c97e5ce94d4a2e1f8ed7fcf7cef8e2b21d70ee15bb3f49d509
c013e9e4bb6f07f8da27bedef4ca4e0b99790a4777e00692da5c8e78e47eb70c
0678008b99744da75d64b17e189a5f8934780a0ddf2384d8c24e4240f796dc34
68f739e8cec56189a152729584f046954f13e32426331970eb755538a8008f1c
3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf
c7f690c33e83ce246c48b918864dae66b4b6964116046cfa34de6bd3a81c2964
95c739685ac483d14260c45fef84686d505802b2a546531652de4b35b54ea8eb
a06ac680f7c3454cdfe9e777f1dc9e6867e3556d323986c428aead576d2ede5c
17da5b241a7c1a77d644c46063b11af84dbf96b2986e4c4c0b9b56c1689ae524
b723fa6187dd823012646cc23268f9a05550e8fb5018110df4ef24fa995d2141
05189b12acbe98448200d07fb553f915a88cd57ca1115bde87fba0dc77cc5f39
a16bbcd964ae89f1cae59ed66c22f1009830c91db528215972952d97433bfb71
bbd52311d6f6fcc5e1c1296fb53932cac1445ed4d3fe3872a2a8de1f83bd1bf0
651a4c3e35b647788a3eb33862d90bc7d58912e6e99ffb8a7bd4c759634fe67b
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/bec078f3-abbd-4052-9fe4-44863bd65a13/
SH256 hash:
c267f2426d73f96b4f5dfe5f8e1f168dfedc3fec4c3dbae15d7fab8da1b13c65
MD5 hash:
2c95634a5d4bacd232a965872a2eac35
SHA1 hash:
9b3b20939e252a652ac2ba68fb8bddc177976074
Link:
https://www.unpac.me/results/bec078f3-abbd-4052-9fe4-44863bd65a13/
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
Link:
https://www.unpac.me/results/bec078f3-abbd-4052-9fe4-44863bd65a13/
SH256 hash:
3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf
MD5 hash:
c4769e14348483d2fb454b954b93bfa2
SHA1 hash:
64a59b7e3392bc8bf2b46c0a5649e8ab50644eea
Link:
https://www.unpac.me/results/bec078f3-abbd-4052-9fe4-44863bd65a13/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3868bc3ad364/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:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 3868bc3ad364e26eb6a690198293725275ac8d1f9105cc1a72e206f82816aedf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676804/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/418837/

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