MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8. 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: 19


Intelligence 19 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
SHA3-384 hash: 5a85ec420e1d9d78b10eb6cb16baa52fd5738b868293928eced102f5de017eb796d47473ee1ced8fb8030d32c029a657
SHA1 hash: 05622c2c2a58781a69bd62973d2ed2de5442567d
MD5 hash: dc1ced16440c1685cfc2bfe7c9fda083
humanhash: stairway-kentucky-friend-cold
File name:enstomc2.1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:379'423 bytes
First seen:2023-07-06 16:30:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:gYa6MWtlljyUCysUFC3iWPzifvx/6ryKTz5+uukr3o8uGMpJZpCXS:gY+I3z0ZzSx/M13o8AncS
Threatray 3'495 similar samples on MalwareBazaar
TLSH T12F841205BBA0C0A7DD6616B05CEAE6F969A6BC118C29470773E07F6F3B311C1D2193B5
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Topos New order 06_07.doc
Verdict:
Malicious activity
Analysis date:
2023-07-06 16:25:56 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/b9b69aad-04b8-4673-b2b3-2beab62be484

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/410012/
Detection(s):
SecuriteInfo.com.Variant.Zusy.475489.11978.24989.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
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/96047/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/64a6ec47784d6094d919f066/reports/f4e17202-8b9f-4149-8118-6a9e77fc2786/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
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/f836da11-9ec4-40e8-ae81-dddb12d599a3
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1268349
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
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1268349 Sample: enstomc2.1.exe Startdate: 06/07/2023 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 enstomc2.1.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\rqxiof.dll, PE32 10->28 dropped 54 Detected unpacking (changes PE section rights) 10->54 56 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->56 58 Maps a DLL or memory area into another process 10->58 60 Tries to detect virtualization through RDTSC time measurements 10->60 14 enstomc2.1.exe 10->14         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.entourageseries.com 86.105.245.69, 49717, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 17->30 32 www.lawyercriminal.online 74.208.236.124, 49718, 80 ONEANDONE-ASBrauerstrasse48DE United States 17->32 34 www.fmcnservices.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses ipconfig to lookup or modify the Windows network settings 17->46 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 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/75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-07-06 12:48:02 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=owzzzqia3lwh5hfs3cj2t4xwxccgq2xg5nuk6hhk24j7iftwjpma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0128e78a9fc3a12e1f247dec90b1de6ed4176587febc5ab0a9dcc0fc3735db0d
Formbook
02ffa3a8856091ec637bfe8f4155eb49d3ede06df0cf2e83b828f5b27c983627
Formbook
210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b
Formbook
2a8783a8fa5d2994fdce8d2bce2aeb59434d13534e9f13ccae8de38f72f0798f
Formbook
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
Formbook
673d8cda7f0d526c493d98e45e1f517bd9b8ddf422054f481e650e95bff3a922
Formbook
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
Formbook
ae617e932d45d1288f1ef5ecd2b72b2da822d8167142d041b08f61defb59daf3
Formbook
bc692450679bd50a88731eadd17d16cdab40a7f15bf632b24984f075bd99bb0c
Formbook
f3b8435e7359411cefb4d6c762550f4881195a2ec0cb035da5737c4b4891fb6f
Formbook
+ 3'485 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c20s rat spyware stealer trojan
Link:
https://tria.ge/reports/230706-t1cymsda62/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
3486e5e96f28ca3ee60b04ae2294e0d2ccb3a53cade6cc2529deb160798a5e25
MD5 hash:
41d061ae29c33260833de08c671f7cfc
SHA1 hash:
9ad4fb9d928099614db881acb5e8af17a670dd6e
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
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/54007430-b9d7-45d7-ab28-2876855afccd/
Parent samples :
75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
SH256 hash:
0de4b8af21e1b55b988f9e60709182e8634dc508f9037f1b934234be0939fce0
MD5 hash:
db6682d6a456f9c3e308e5ec949a1618
SHA1 hash:
7e57de1351edd8a3984adea0c34d9c94195773a6
Link:
https://www.unpac.me/results/54007430-b9d7-45d7-ab28-2876855afccd/
SH256 hash:
3486e5e96f28ca3ee60b04ae2294e0d2ccb3a53cade6cc2529deb160798a5e25
MD5 hash:
41d061ae29c33260833de08c671f7cfc
SHA1 hash:
9ad4fb9d928099614db881acb5e8af17a670dd6e
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
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/54007430-b9d7-45d7-ab28-2876855afccd/
Parent samples :
75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
c63fce3a675e641aab29aca12d4e54f155f24c4476ee3d13ee9b21fb6a341557
SH256 hash:
0de4b8af21e1b55b988f9e60709182e8634dc508f9037f1b934234be0939fce0
MD5 hash:
db6682d6a456f9c3e308e5ec949a1618
SHA1 hash:
7e57de1351edd8a3984adea0c34d9c94195773a6
Link:
https://www.unpac.me/results/54007430-b9d7-45d7-ab28-2876855afccd/
SH256 hash:
75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8
MD5 hash:
dc1ced16440c1685cfc2bfe7c9fda083
SHA1 hash:
05622c2c2a58781a69bd62973d2ed2de5442567d
Link:
https://www.unpac.me/results/54007430-b9d7-45d7-ab28-2876855afccd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/75b39cc100da/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/75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8

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.

Web download

Formbook

Executable exe 75b39cc100daec7e9cb2d893a9f2f6b884686ae6eb68af1cead713f416764bd8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/410012/
  
URLhaus
https://urlhaus.abuse.ch/url/2677883/
  
Delivery method
Distributed via web download

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