MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments 1
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SHA256 hash: f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e
SHA3-384 hash: 00c76deee180b7e5214991aab4926bd9ce8174ead3cd1768cedc8670df1a86d4845846161fcc76f1d3bb6426c3693300
SHA1 hash: 05a82c9fd3e3fd1282a8585c577c1e93639c42ee
MD5 hash: 4e13394b41e8d0cf8b1721aabdbfd719
humanhash: kansas-twelve-massachusetts-thirteen
File name:4e13394b41e8d0cf8b1721aabdbfd719
Download: download sample
Signature Formbook
Create hunting rule
File size:305'635 bytes
First seen:2023-06-19 12:14:22 UTC
Last seen:2023-06-19 14:35:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:AYa6CpByitT/b/XCuKj9/sB+9EjS6SNFKBar:AYspBPT/e59/sBKEjSnKB0
Threatray 2'438 similar samples on MalwareBazaar
TLSH T10A54016474A2C567D59246312FBAE0BE1FD67D159D6C061B3BC43F4FBA32A80D20E322
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ-3252010628.doc
Verdict:
Malicious activity
Analysis date:
2023-06-19 11:34:39 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/85cfad67-b67c-42d9-826f-e14df65efb20

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/400440/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22790.24033.29872.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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91586/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/649046cbdf7cbb1aff1fcdbe/reports/7b22ee23-afc4-412d-b255-5b80fd0356b0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e
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/761e87f3-b983-4c11-84ac-b099b9bb5472
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257368
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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
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: 890387 Sample: C7h89I0uvg.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 31 www.swfpic.com 2->31 33 tianyutouzi123.gotoip55.com 2->33 35 hkvhost835.800cdn.com 2->35 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 C7h89I0uvg.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\axzwo.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 C7h89I0uvg.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 4 1 15->18 injected process9 dnsIp10 37 www.support-dsney.info 18->37 39 www.cqmksw.com 38.63.218.163, 49695, 80 COGENT-174US United States 18->39 41 www.77121144.email 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 wscript.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-06-19 11:58:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mn6ol4stodmavxgqpnsnohmpcsa6pirk2bb7ssysaiytkhoszpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07ad0c61940072d3f26c6706e550f970c2e3ee59d1b0a519515ebf16e013b11c
Formbook
0bd096a462dd6ca8fd6563954bcb47167296672ce207e0a1b8b2407a796760a6
Formbook
1a28827929bbdf8fc02cbf542ae73de715c0b4b0e1be5c9484987ee44e652da1
Formbook
3a5125b535a9d3aec7608c040173cea1e3c12cb855ec5bad90847406022dfe98
Formbook
4431648599d5c8d9ed6324d5cfaccf83daaecf91b9637b1cf308b8004ca43757
Formbook
6f9e6daba8384e0535415277476d0bc21a6943ed2cd1483b18259280fab5e2fc
Formbook
8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4
Formbook
99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c
Formbook
b5b596f70279f40da033a19eb80841b5486fb16d9d44c2778cc158910adde7a1
Formbook
ce902a74a974d8abadef885c3aa91a41ad495d0d22a187b0bb4c87645d3ae0a8
Formbook
+ 2'428 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sy18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230619-pexcyaeg8z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
01fbafff38dd01c3e99b7c8ef9f51e3c5d725dbbe281789f476f4460597f410f
MD5 hash:
994c131d22d9e61d9aeeb9ee376a5f89
SHA1 hash:
7f9e92b106c47928073889bf36612e63edbabc78
Link:
https://www.unpac.me/results/56ddeb33-00e1-4659-9a98-3baa50b2f55f/
SH256 hash:
f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e
MD5 hash:
4e13394b41e8d0cf8b1721aabdbfd719
SHA1 hash:
05a82c9fd3e3fd1282a8585c577c1e93639c42ee
Link:
https://www.unpac.me/results/56ddeb33-00e1-4659-9a98-3baa50b2f55f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f31be72f929b/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/f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e

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 f31be72f929b86c056e683db26b8ec78a40f3d1156821fca58901189a8ee965e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/400440/
  
URLhaus
https://urlhaus.abuse.ch/url/2666234/

Comments


Avatar
zbet commented on 2023-06-19 12:14:23 UTC

url : hxxp://doneefrancis.co.za/wp-content/plugins/seoplugins/liboshed2.1.exe