MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b
SHA3-384 hash: 4b875b9f136615b734fe45c9beea42a06320ca5f5ddd212f647981bd39b1c3a649bb8d28a5b485c74fc7f5662adedfe2
SHA1 hash: 1d549f12ccf0fa9a429592795ee2c0e103534b91
MD5 hash: 6f74e34ecd92395aefc707edf4119d71
humanhash: washington-sierra-mississippi-mirror
File name:enumerar muestras de productos pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'133'568 bytes
First seen:2021-09-22 05:54:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bc8cc1eea5c25ce2056d7da92bd98134 (9 x RemcosRAT, 3 x NetWire, 1 x AveMariaRAT)
ssdeep 12288:lIspEfnP8N/seflQTshT8aqeTW39KqieoAdrL7SUbDz5Zp:320N/seflZhTmiW3AmrPzz5Z
Threatray 9'478 similar samples on MalwareBazaar
TLSH T1E3355BE7B794CCE1EC30397DCC02B6942615BBFA34034D08ED647E8A97A9A41B97D44B
File icon (PE):PE icon
dhash icon 8ccc0c37e3969a68 (8 x RemcosRAT, 2 x NetWire, 1 x BitRAT)
Reporter abuse_ch
Tags:ESP exe FormBook geo

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
enumerar muestras de productos pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-22 06:00:07 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/c9a35483-55f3-490b-806d-15a8caed5055

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/190052/
Detection(s):
SecuriteInfo.com.ArtemisB8815A518089.2641.23959.UNOFFICIAL
Create hunting rule

Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1145f557-8d81-4d9b-b3a2-023521fef35e
Result
Threat name:
DBatLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855344
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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 signatures2 2 Behavior Graph ID: 487772 Sample: enumerar muestras de produc... Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 6 other signatures 2->40 10 enumerar muestras de productos pdf.exe 15 2->10         started        process3 dnsIp4 32 cdn.discordapp.com 162.159.130.233, 443, 49756, 49757 CLOUDFLARENETUS United States 10->32 50 Writes to foreign memory regions 10->50 52 Allocates memory in foreign processes 10->52 54 Creates a thread in another existing process (thread injection) 10->54 56 Injects a PE file into a foreign processes 10->56 14 DpiScaling.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 2 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.tryhuge.com 199.59.247.188, 49853, 80 PLANETHOSTER-8CA Canada 17->28 30 www.gameflexdev.com 17->30 42 System process connects to network (likely due to code injection or exploit) 17->42 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b/
Threat name:
Win32.Trojan.Ranapama
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 19:43:20 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc2uwizmutzo4q3c2dlgeghhp66zkcjceinlabtw2q4hpecoesnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0726096c82c2c643c7de2ed48533e0a545e71f2294433cd7df473aebe9f17681
Formbook
4fa4620f075ed6875b96da8c661287fc12c586ddc524c866a6861a6a94a26bee
Formbook
53cd0bb46c1d8aa4dc128569b2c2b2b13f0d4a1357e464e5eec019a7f11195d6
Formbook
8943af6c4da94f93c169ef98a7b8393ca92b01753e89ea5503d5740bcc45296d
Formbook
8d337c03f89aeea3f12d185e748407801dac07b5d6fef1acb99e085b0f452ed0
Formbook
92fee75dbfa7cb48d837b580cc3544832cf116d9991ac9cd0135cef22e535510
Formbook
98f8f84dbf9e3a4462066c94e447ba3bdc6bc3d0119511e8c6d6cea0234f885c
Formbook
c26154711ca9d9d48de370f242deb560bd0b99a0c8f12a2d1db5d4cd6e25d107
Formbook
ee3cd0b8ec089cdcec65b22189ecc9efb9f356afe0870e424cbdedcf19920e13
Formbook
+ 9'468 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:n7ak rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210922-gmgy8aecfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.kmresults.com/n7ak/
Unpacked files
SH256 hash:
8af0b1d0dd47bb390af4256646d4b07c56d811fc8d59ddd0caaae17e4fb8963c
MD5 hash:
bf6f925b0d88b4605d61d5a251e8ca6d
SHA1 hash:
c016fd257edfa231f52e43022fc6d403c5064485
Link:
https://www.unpac.me/results/8c707578-64d1-4057-8793-2bb7c3147bd7/
SH256 hash:
b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b
MD5 hash:
6f74e34ecd92395aefc707edf4119d71
SHA1 hash:
1d549f12ccf0fa9a429592795ee2c0e103534b91
Link:
https://www.unpac.me/results/8c707578-64d1-4057-8793-2bb7c3147bd7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/190052/

Comments