MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
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SHA256 hash: 2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66
SHA3-384 hash: 4cc4f4df5890a54adce40aa7a1e452657f6001208ca3766bf49c9b64c6c93413d435a69fe0b8e03bc3ff54d90293fbd1
SHA1 hash: dd43245884f2d34ba1ee4d47a3c38987f09435a2
MD5 hash: 5c6c71c7d5550896ed29fceb19e76649
humanhash: emma-pip-equal-carbon
File name:5c6c71c7d5550896ed29fceb19e76649.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:335'082 bytes
First seen:2023-09-21 06:16:54 UTC
Last seen:2023-09-21 06:58:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya65vmwSVdKEaI9PANPca/Fycpcr1xWVvMZG1O9WvS9DG:/YL6VdjlVANPh/Fycur+Vvp1in6
Threatray 521 similar samples on MalwareBazaar
TLSH T1A664121737E6D47AF4D316B092354E9DBAB9FE213474E21F1764AE1E7822081E92F321
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO 2344(ES2309-015).xls
Verdict:
Malicious activity
Analysis date:
2023-09-21 05:55:10 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader stealer spyware
Link:
https://app.any.run/tasks/a7eef7dc-26ea-409f-83e4-033383371053

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/450259/
Detection(s):
SecuriteInfo.com.FileRepMalware.17868.16344.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/650bdfde83a0c6425dfb264b/reports/c54574b2-6ce8-4648-81aa-0df417cc69c5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66
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/cb98b260-dbf5-4814-854a-673968a788e9
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312048
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1312048 Sample: D8dw2h4OaE.exe Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 36 www.vinteligencia.com 2->36 38 www.travisline.pro 2->38 40 16 other IPs or domains 2->40 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 7 other signatures 2->62 12 D8dw2h4OaE.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\nst2FC2.tmp, DOS 12->32 dropped 34 C:\Users\user\AppData\Local\Temp\molua.exe, PE32 12->34 dropped 15 molua.exe 12->15         started        process6 signatures7 72 Antivirus detection for dropped file 15->72 74 Multi AV Scanner detection for dropped file 15->74 76 Machine Learning detection for dropped file 15->76 78 3 other signatures 15->78 18 molua.exe 15->18         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 21 explorer.exe 4 4 18->21 injected process10 dnsIp11 42 sarthaksrishticreation.com 119.18.49.69, 49768, 80 PUBLIC-DOMAIN-REGISTRYUS India 21->42 44 www.travisline.pro 188.210.221.221, 49770, 80 DATASPACEPL Poland 21->44 46 8 other IPs or domains 21->46 64 System process connects to network (likely due to code injection or exploit) 21->64 25 cscript.exe 21->25         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 25->66 68 Maps a DLL or memory area into another process 25->68 70 Tries to detect virtualization through RDTSC time measurements 25->70 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-21 05:03:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f3ylzidcifv3jmyp5cafbacq7p4syp26izu44fi7sg22crxijvta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
155240d8bf35cc3a5c6b2703440162da4cdeca7d3faab01e656a4b401e2eb15d
Formbook
18241c79365258168f917fe03f0d27cc9c9ef3dbc81d3161ebee32887569496c
Formbook
1a4a833905ed2b06f990054eee77c7f92d536d52797c6a18de6d1358e25e8e03
Formbook
23a0504b8ac3cb1b913d15da848866607a4c617b8bbb5555a71962a6cffadeed
Formbook
328dcb82382c5fb34a7f5a4892cfbdeec6e990551f3ebdcdcfec98e70b0b0327
Formbook
4a1e3a03026f57a6364b645bc8e05e1d7cc9d0fe8fe7ddbf6eb57ee4288fbb57
Formbook
85176443ab1c87d4387378979a276b860b6306e6ae17749d0a1072111cc14a1b
Formbook
ab81345f141fa4d777d142a4f8367c53e9840897bc2b4c3299a4f6696a46296d
Formbook
eb793e35af4458eb9591d27e4788f34f4d6babcd866879a71b307842bc68fdfb
Formbook
+ 511 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy22 rat spyware stealer trojan
Link:
https://tria.ge/reports/230921-g1191sdh2v/
Behaviour
Gathers network information
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
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
093333fb55c4247f359a6bc6b63de798d49582cc4e7c6d88a69114d366f4648b
MD5 hash:
034b7c94ee5c81d9a9c20f59e55e1971
SHA1 hash:
d36c38e1454f61a7a9b958e0d616e4a19c4f6378
Link:
https://www.unpac.me/results/5f2120b8-8888-463b-a656-56ff0cec8b51/
SH256 hash:
2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66
MD5 hash:
5c6c71c7d5550896ed29fceb19e76649
SHA1 hash:
dd43245884f2d34ba1ee4d47a3c38987f09435a2
Link:
https://www.unpac.me/results/5f2120b8-8888-463b-a656-56ff0cec8b51/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ef0bca06241/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/2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 2ef0bca062416bb4b30fe880508050fbf92c3f5e4669ce151f91b5a146e84d66

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2712722/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2712814/
Cape
Cape
https://www.capesandbox.com/analysis/450259/

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