MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
SHA3-384 hash: 1f0590976733be87b72225b3ebc06380efb293fdcd5b1b27eff001f0deec2eb94e199c09e09c16a097eccf6e7a53250d
SHA1 hash: f0afd2cc4c92ca55cb52f8562f67200777a84735
MD5 hash: 9f2b4f244cd4a26428910e6b1395529c
humanhash: kentucky-shade-summer-louisiana
File name:9f2b4f244cd4a26428910e6b1395529c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:715'264 bytes
First seen:2023-04-25 15:48:04 UTC
Last seen:2023-05-13 22:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ojm+vY07/q6eDblzE3/nSdALJEDvW/bN1J3MoGCrzeyXHe:Cm0/q64lzL+kvgbNz9NHe6e
Threatray 2'774 similar samples on MalwareBazaar
TLSH T146E47B3C29BD223BC179DAB58FE5D827F014D56F3121AE35A4D78B664306E2225C723E
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 :
2
# of downloads :
239
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/384868/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6447f66ff61aa38da9fbd0a1/reports/b739cf85-ae32-4d77-b058-a35a66cf6196/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a8765cd4-4b53-4360-89a9-b04364c7a4f3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1220882
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: 853835 Sample: KkC1dTOibE.exe Startdate: 25/04/2023 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 KkC1dTOibE.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\KkC1dTOibE.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 KkC1dTOibE.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 findloveafterloss.com 162.241.216.161, 49698, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.aeroelevatorss.com 54.38.220.85, 49697, 80 OVHFR France 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 cscript.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:
n/a
Link:
https://mwdb.cert.pl/sample/3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-25 12:27:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hr7dpcnvrm4ivez4kf2axtoejrvenpnmuwlj4rvwwgbsst2hbpjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02ea9a838872751f53f53611015ee23062c2cbc9b71a962caf500e54a145e87e
Formbook
0b89806418ec582854a24adb93fba607c7f27938f2b653a081aefd1a5e419e4f
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
Formbook
7f0a83fb59c743687b2076967768f0cea1a7772390d25bcd25ebee31caeaaa8f
Formbook
896d0711b287b0914d88b93ff8d06623c60f45b405e12cbc34a406e09942a577
Formbook
e014baadd84bece77f1f8366ea528671bf0bd70fcee974fe1a262bb0ec0a2565
Formbook
e6d16fced75e8265e62b73cf660a303c0e03f50cead978df78b0a05f51aa42dd
Formbook
f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e
Formbook
f877daae32612cf737745b22467c63f63e1961a6135289125dd228604fa0c29e
Formbook
+ 2'764 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:wt67 rat spyware stealer trojan
Link:
https://tria.ge/reports/230425-s9bw9sdb4w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
852042eb94f50c796a066dc1d1bcb1c1894bd9fa160897f8c557d1f15f10e038
MD5 hash:
c515471497540d3a44f9110c832fb8a2
SHA1 hash:
d0548ef5818fac9062f07b83012516c1599c3984
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/6589ecae-15a3-45bf-a03e-bfc362bd5071/
Parent samples :
0b89806418ec582854a24adb93fba607c7f27938f2b653a081aefd1a5e419e4f
3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
SH256 hash:
dbe73e45b300fa9a4dd1735d8596d2832213690a4ac042d55fff0bb914400a88
MD5 hash:
13ed149bf005e475969df851c4e939f9
SHA1 hash:
f8a67273e4b3645401410a14aa40e5ca9885652e
Link:
https://www.unpac.me/results/6589ecae-15a3-45bf-a03e-bfc362bd5071/
SH256 hash:
0e407c73031f15f12e078c92f7a872c2f3c980ca5f2029a26b65f609abe8ec88
MD5 hash:
21f56f5c74691405212ec41a32c65631
SHA1 hash:
bb40bf5685c37240fd003acd8cf9265279177427
Link:
https://www.unpac.me/results/6589ecae-15a3-45bf-a03e-bfc362bd5071/
SH256 hash:
1d729ea1918c1d8d717f935178b6f9e88106065bcf4af1b657e6713dbb051716
MD5 hash:
11fd458e50345af8fce7b2c0311c81e5
SHA1 hash:
9e80bb239cb587e862d90a8f27dd4e3c1cb26610
Link:
https://www.unpac.me/results/6589ecae-15a3-45bf-a03e-bfc362bd5071/
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
Link:
https://www.unpac.me/results/6589ecae-15a3-45bf-a03e-bfc362bd5071/
SH256 hash:
3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
MD5 hash:
9f2b4f244cd4a26428910e6b1395529c
SHA1 hash:
f0afd2cc4c92ca55cb52f8562f67200777a84735
Link:
https://www.unpac.me/results/6589ecae-15a3-45bf-a03e-bfc362bd5071/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c7e3789b58b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3

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 3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2614340/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/384868/

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