MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184
SHA3-384 hash: cc83b673405f65b87649b34622824bfe760453aaab49c6b97f299ae85d671c11c1f67c270172d2b1fbd145b1239a9570
SHA1 hash: e14a6cc8f298e10b5eb7b9f56058efc4734ae3a3
MD5 hash: 9261cdcf86933da34b74afa3da380bc3
humanhash: virginia-march-magnesium-music
File name:9261cdcf86933da34b74afa3da380bc3.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'199'104 bytes
First seen:2021-10-19 15:26:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a410078918980fce320f92b4875de320 (4 x Formbook, 2 x RemcosRAT, 2 x NetWire)
ssdeep 12288:0xwB6jcB+VlDdNvGOLPs46HcqC9Q1LEYLtwauiAkupubMkkUshtgQowaI9hj8mey:Gr1bvGObs46nCmLJw5uwkPZwakpKhG
Threatray 7'524 similar samples on MalwareBazaar
TLSH T18F45AE39B2E14C72D2371E792C3B6164442AFD115F25BA137AB43E4C9EFB1513826B8B
File icon (PE):PE icon
dhash icon fedcbb4d750f4c4c (9 x Formbook, 5 x RemcosRAT, 2 x NetWire)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/198623/
Detection(s):
Win.Malware.Fhqr-9869314-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger
Link:
https://www.filescan.io/uploads/616ee3caa9d585e6d52e29d3/reports/bd4c98b9-ddb1-46a7-83b9-b5baf46c3ee2/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a6652f18-b068-4a44-baac-e3cdf2dde7e6
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873326
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
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 prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 505752 Sample: bFpY4Y3AH1.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 40 onedrive.live.com 2->40 42 am-files.fe.1drv.com 2->42 44 9vyqdq.am.files.1drv.com 2->44 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 6 other signatures 2->58 9 bFpY4Y3AH1.exe 1 21 2->9         started        signatures3 process4 dnsIp5 46 192.168.2.1 unknown unknown 9->46 48 onedrive.live.com 9->48 50 2 other IPs or domains 9->50 38 C:\Users\Public\Oubvoi.exe, PE32 9->38 dropped 60 Drops PE files to the user root directory 9->60 62 Writes to foreign memory regions 9->62 64 Allocates memory in foreign processes 9->64 66 2 other signatures 9->66 14 logagent.exe 9->14         started        17 cmd.exe 1 9->17         started        19 cmd.exe 1 9->19         started        file6 signatures7 process8 signatures9 68 Maps a DLL or memory area into another process 14->68 70 Tries to detect virtualization through RDTSC time measurements 14->70 21 explorer.exe 14->21 injected 23 reg.exe 1 17->23         started        25 conhost.exe 17->25         started        27 cmd.exe 1 19->27         started        29 conhost.exe 19->29         started        process10 process11 31 Oubvoi.exe 21->31         started        34 conhost.exe 23->34         started        36 conhost.exe 27->36         started        signatures12 72 Multi AV Scanner detection for dropped file 31->72 74 Machine Learning detection for dropped file 31->74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-10-19 14:31:26 UTC
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilqj6dsnpkyejdqe2xjr7pddz6zn7gepqsefhjnbjh7vivaeagca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b2d1bf2ca75ec2f3db69659158e685cec6efb71e4be9e277af99b3ad0508c11
FormBook
0e18df1488198f73ac693eac37584967930540fcaaeca8403f4d8fa2c1126bcd
FormBook
1e5bb5e00fddfcc62c8bfe71b46a4c8c6c22986c7a51931d16b8ddc465170d72
FormBook
1f472784494710200607f381849c6e3ea4f09f2ded2e84a1734ab5fdbd25d1de
FormBook
1fcc50813abb7385e0655f566a7def176171060614e8d691c1394776156f19a5
FormBook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
FormBook
8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b
FormBook
a93b39035f5ae1ace569c25759239f8c0361bf2462cb22f2a780c14de2821fe4
FormBook
c11992880daecda35958fd14fcf3b6e5d32a6bda8c904a888ede0dcbb1f91aa6
FormBook
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
FormBook
+ 7'514 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:og2w persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/211019-svrn6sgba6/
Behaviour
Modifies Internet Explorer settings
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.wakecountyrealtyexpert.com/og2w/
Unpacked files
SH256 hash:
2c445b887ee8e82dc1256c5042b465cf9294df5df96c3043f9927f21a9225b16
MD5 hash:
ee4f84d3e9caefcf462f319104860abd
SHA1 hash:
649465bbd208cbdc3e2b474ae35e17aca306d465
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/cb6b6a53-6c24-4e5b-9469-c0e4dc18eca0/
Parent samples :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 hash:
42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184
MD5 hash:
9261cdcf86933da34b74afa3da380bc3
SHA1 hash:
e14a6cc8f298e10b5eb7b9f56058efc4734ae3a3
Link:
https://www.unpac.me/results/cb6b6a53-6c24-4e5b-9469-c0e4dc18eca0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/42e09f0e4d7a/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/42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

FormBook

Executable exe 42e09f0e4d7ab0448e04d5d31fbc63cfb2df988f848853a5a149ff5454040184

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1696296/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/198623/

Comments